We propose a new certificate-based signature scheme and an identity-based ring signature scheme based on quintic residues in order to improve the efficiency of computation. The schemes do not need any bilinear pairing computation which is known to be difficult to computation. The schemes are secure against...

The problem of scheduling independent jobs on identical parallel machines for minimizing makespan has been intensely studied in the literature. One of the most popular constructive algorithms for this problem is the LPT (Longest Processing Time First) rule whose approximation ratio has been proved by...

With the rapid development of sports at home and abroad, the government also attached great importance to sports. 2016 is the golden year of sports development, the state promulgated a variety of policies, sports development has been listed as a national strategic policy. As a traditional sport in China,...

Considering the present situation of railway freight transportation safety management, this paper puts forward the comprehensive detection and tracking method of railway freight transportation safety. Firstly, the IOT technology is used to realize the comprehensive detection of railway freight transportation...

Three-phase PWM rectifier of New Energy based on DSP has been put forward by the disadvantages of random fluctuation about New Energy and the deficiency of the traditional rectifier . the Mathematic model of three-phase PWM rectifier in the d-q rotation frames is analyzed at first , to decouple the three-phase...

In this paper, in order to improve the green remanufacturing capacity of heavy duty machine tools, the design domain of axiomatic design is taken as the main line and extended it to the regeneration domain innovatively. The design structure matrix is used to consider the correlation and similarity of...

Parts of assembly are mainly fixed and connected by bolts. The performance of the assembly can be affected by the dynamic characteristics of the bolted joints. Report focuses on designing a test bench by parameter analysis and achieving the dynamic analysis of the bolted joint. In the first part, the...

This paper calculates thermal-structural coupling analysis of the heater component considering thermal radiation and heat conduction. We get the heater components steady temperature field and stress distribution. The thermalstress is taken as prestressed force and finite element analysis is used to obtain...

In order to improve the computational efficiency of the airfoil optimization design, a universal algorithm transformation strategy is proposed. The Multi-Island Genetic Algorithm and the Sequential Quadratic Programming are combined to take into account the global search and fast convergence characteristics....

Facial expression recognition is widely used in linguistics, medical care, service and so on. . But still there exists the problem of accuracy.. To solve this problem, , this paper presents an extraction method based on the flow characteristics of facial motion unit for the facial expression recognition....

Acupuncture-point is a very important part in traditional Chinese medicine, but to locate the points is very difficult for non professionals. In this paper, we put forward a new method to locate the acupuncture points of human facial based on the research of the pattern recognition technology in the...

When electronic components work under irradiation condition, total dose effect would be engendered. In order to weaken total dose effect on components, the author set NMOS transistor which are a section of the components as an example to study on the principle of the production process of total dose...

The algorithm of compressive sampling matching pursuit (CoSaMP) is the performance of this algorithm is restricted to the choose of it's initial support set. If inaccurately choose the initial support set, it will not only affect the accuracy of reconsitution, but also reduce the speed of reconsitution....

Cloud computing is now the most popular research field. Many IT giants have built their own cloud computing infrastructure like Google App Engine, Amazon Web Service, Microsoft Azure, as well as many other open source cloud computing platforms. However, there are several issues with existing cloud computing...

A low power threshold voltage detection circuit and its accuracy optimization method for NOR flash memory are proposed in this paper. The whole circuit system is composed of data path, ramp voltage generator, and other auxiliary circuits. This memory system with 256Mb cells is simulated in a 65nm 2P3M...

In order to find the relevance of the key words in the hot topics effectively, we proposed a clustering method based on words-distances. We calculated the distances between the words firstly, then calculated the sectional density of each words. We regarded the words which have higher sectional density...

In the traditional text similarity calculation, most of the TF-IDF method. TF-IDF establishes the word frequency vector for the text, and calculates the cosine between the vectors as the similarity of the text. The algorithm is widely used in many search engines, information retrieval system can be seen,...

With the mobile communication technology developing rapidly, wireless bandwidth can be used more and more, which will make high-speed video services occupy most of the wireless communication traffic. This paper presents a QoE evaluation model based on video content, combined with video jitters and packet...

In this paper, we proposed an effective vulnerability mining system for IEC61850 protocol in the Smart Grid. First of all, we introduce the basic structures and features of IEC61850 protocol. Next, we summarize the possible vulnerabilities of it. Finally a fuzzing tester named IECFuzzer is designed and...

In view of the present problems that the wooden block reinforcement effect is poor and can't solve the sliding problems caused by inertia of coupling impact. Now we plane to design a kind of new type flat car with chain-Strengthening-equipment to solve the loading and reinforcement problems of heavy...

This paper proposes an image mosaic algorithm based on empirical mode decomposition (EMD) transform. A complete, fast and efficient EMD image decomposition algorithm is used to decompose the image, and the inverse discrete cosine transform (IDCT) is performed on the result of the transformation. After...

In this article we present an approach based the type of curve for detecting tangent vertices. First, the geometric features is used to determinate the curve type of the sub-stroke after corners extraction. Second, approximated piecewise parametric curves are obtained and the analytic curvature is token...

For the situation in which the low accuracy of circular hole recognition in hole workpiece based on image processing technology, a method of Optimized Gradient Hough Transform(OGHT) for circle recognition is proposed. Based on the Standard Hough Transform (SHT), the OGHT is used to extract the edge feature...

The signal noise and attenuation in channels severely affect the communication quality in power distribution network. Orthogonal Frequency Division Multiplexing(OFDM) has an excellent antijamming capability and a high rate of channel utilization and is widely adopted in power line communication. In this...

The purpose of this paper is to explore the new relationship between the travel time and traffic flow on the road in the static state that inflow equals outflow. This paper proposes selection mechanism by a parallel two-link network model. Through computer simulation, we get the conclusion that in the...

A novel mono-stable 4T-SRAM cell is proposed in this paper. The cell is designed in 65nm LPCMOS process and simulated to find out the linear energy transfer threshold of SEU. T-CAD simulation results show that its LETth for data(1) is up to 41.6 MeV/mg/cm2, almost the same as DICE, and the data error...

According to public governance theory, the paper chooses political tolerance, social security, economic management, social justice, public affairs as five aspects through factor analysis, total of 13 indexes , shaping a structured, operational and scientific government public management index system,...

The precision machining of shaft parts is of great significance in the fields of aerospace, automobile manufacturing and so on. For important high precision shaft parts processing, especially in the beginning of mass production, it is easy to produce single piece of waste. Aiming at the error compensation...

As the starting point of the supply chain and the end point of the loop feedback, the behavior of the supply chain suppliers in the home appliance industry is important. The evaluation index system is established on the basis of product quality, delivery reliability and technical ability. Using entropy...

The world is becoming urbanized rapidly while the demand of urban construction land continues to increase, and the growth of urbanization will persist. Therefore,healthy and stable development of the city is particularly important.In this paper, we take Sochi for example. According to the Analytic Hierarchy...

Bathtub is a kind of pipeline device used in bathroom or shower,which usually used in the family bathroom.Most modern bathtubs are make from strength (acrylic) or glass fiber,In the fast pace of life space, bathtub is a good way for people to cleanse and relax. In this paper, we only talk about the bathtub,...

The essence of modern warfare is the information war, The advantage of the information is the prerequisite for the victory of modern war. With the widely used of electronic technology in the military, the struggle in electromagnetic field become more and more sharp, the information network technology...

In order to make rationally use of the original data and improve the data fitting precision of the sine waveform, the owe period fast North-Seeking method of the polynomial interpolation is based on the least square method. According to the character of the large deflection north point data, the polynomial...

In order to meet the requirements for multi-connected inverter air-condition of diversified service, intelligent control and reliable operation, an embedded home gateway terminal system based on STM 32 signal chip microcomputer, WIFI network and RS485 communication technique has been designed and is...

In order to reduce the digital zenith camera identify stars data that exist in the gross error influence on astronomical calculating, improve positioning accuracy. The mapping relation between the CCD image coordinate system and the celestial tangent plane coordinate system is established by using the...

With the rapid development of fiber grating sensing technology, vibration sensor based on fiber grating sensing technology has become a new research and development direction. This paper focuses on the latest research progress of vibration sensors based on different structural principles of fiber gratings...

The night vision vehicle head-up display is a new type of vehicle night-assisted driving man-machine interaction device. It has obvious advantages in use. But because the device is the main source of visual information for the driver at night. If the design is not appropriate is likely to cause danger....

Cough is a common respiratory symptom, caused by the inflammation of trachea and bronchial mucosa or chemical stimulation. Compared with other sounds, cough sound has a typical uniqueness which makes it possible to analyze the differences between cough and other sound performance. Since coughing is a...

LED lighting is being used for residential, commercial and industrial applications. It offers various advantages over incandescent bulbs, such as lower energy consumption, longer life, attainment of full brightness without need for a warmup time, and so forth. With the advent of these lights in large...

In this paper, the working principle and method of using TB6612 to drive DC motor are described, and the hardware and software design are given. Based on this, the motor driver chip TB6612, TB6612FNG is the Toshiba Corporation Semiconductor production of a DC motor drive, it has a large current MOSFET-H...

Based on the Sichuan-Tibet highway south line (Tibet border line of State Road 318 K3473+000-K4670+000andK1324+000-K1473+000NationalHighway214line)the survey results,using Midas/GTS to establish the numerical model of slope stability analysis,analysis of two slope loose accumulation effect of subgrade...

In the permafrost subgrade protection measures, which is the most representative of the gravel roadbed cooling scheme. The test project is parallel to the Qinghai Tibet highway on the basis of temperature, dynamic monitoring of subgrade, through field test results of temperature change compared with...

Multi-rotor UAV attitude system has many characteristics such as multi-input multi-output, strong coupling, fast time-varying and non-linearity. Thus, for multi rotor UAV attitude control system, the classic PID has some shortcomings. In this paper, the fuzzy PID controller is established by using fuzzy...

In order to guide the application of thermostat dehumidifier products,a performance test device based on air enthalpy contrast methodof wind tunnel was designed, the hardware technical requirement and software function are introduced.Bytesting the KFRS-20ZM/AS dehumidifier,the relationship between the...

Due to the uncertainty of the initial geometrical imperfection, it is difficult to evaluate its influence on bucking behavior of structures. In this study, the double trigonometric series is adopted to describe the initial geometric imperfection and the deformed deflection, and then the relation between...

Based on the parameters were provided by a caster enterprise, Pro-cast was adopted to simulate temperature field and solidus rate of continuous casting steel about the 2400 mmž400 mm cross section. On the premise of validation of simulation method, the effects of different casting speeds, degree of superheat...

Although the correlation filter-based trackers achieve the competitive results both on accuracy and robustness, there is still a need to improve the overall tracking capability. Focusing on the issue that the correlation filter-based trackers algorithm has poor performance in handling scale-variant target...

The Overtemperature OTDeltaT design is based on radial core peaking factors being no worse than design. It is not intended to protect for adverse radial power (quadrant tilt such as might be caused by misaligned control rods). The OTDeltaT RT protects the thermal design limit for departure from nucleate...

the human lower limb model plays an important role in the simulation experiment, when it is used to do the rehabilitation training and the gait analysis. At present, the human lower limbs model is established in the experiment, that has a single function and does not have universality. In this paper,...

This paper proposes a time-frequency method based on complete ensemble empirical mode decomposition with adaptive noise (CEEMDAN) and Winger-Ville distribution (WVD) for hydro-turbine non-stationary vibration signals analysis. Unlike the traditional EMD and EEMD, CEEMDAN can efficiently reduce the mode...

With the success of Shenzhou spacecraft rendezvous and docking with Tiangong-1 and Tiangong-2, the future tasks of the space station such as space garbage clean-up requires the control of spacecraft attitude to be more and more accurate. Because of the high cost of the attitude control and regulation...

According to the marine data types are complex, the format is different, in this paper, the relevant visualization techniques and representative methods are studied, and the visualization of marine data is compared and analyzed. The visualization of marine data spatial information based on GIS technology...

The characteristics of the small world network is widely used in Wireless Sensor Networks. In this paper, Hierarchical Algorithm of Wireless Sensor Network Based on Small World Network Model (HASWNM) is proposed. Firstly,the algorithm divide the monitoring area into different sub-regions, and select...

Intelligent aquaculture, refers to the engineering technology, machinery and equipment, monitoring instruments, wireless sensor, management software and large data, cloud computing, artificial intelligence and other modern technical means for fishery production, to achieve high density, high output value,...

At present, the construction of ocean information has become an important support for China's ocean power strategy, but the lack of unified planning in the process of construction, homogeneity serious, information island, wisdom is not enough and other issues become increasingly obvious, this article...

In this paper, the principle and key technology of gun barrel observation and detection are systematically expounded, and the research actuality of barrel observation and detection system is summarized and compared. This paper focuses on the application of machine vision technology in the detection of...

Based on the damage mechanics of materials, the definition and content of meso damage mechanics are introduced, and then the meso damage constitutive model is derived. On the basis of meso damage constitutive model, The characteristics and applicability of Anand meso damage model, Gurson-Tvergaard-Needleman...

With the acceleration of urbanization, urban planning becomes more and more important. We did some in-depth discussion about sustainable city and smart growth initiatives in this paper.Firstly, we define a metric which is a comprehensive index to measure the success of smart growth of a city. On the...

Radio monitoring system can cover a range of area, where we can obtain the electromagnetic mode information, and the information we get is the result of a mixture of various radio transmission signals. We can't get the intrinsic characteristics of the electromagnetic spectrum. It cannot determine whether...

Pickling and drying can help aquatic products with their flavor which is highly related to temperature. Taking grass carp fillets as the research objects, quality changes were studied during pickling, drying and storage under controlled freezing-point temperature (CFT:-0.5ñ0.5 ) and 12ñ0.5 . Results...

In this paper, we present an algorithm that based on the probability prediction of the dirty page's Pre-Copy algorithm, bring in a prediction algorithm of the bandwidth required for the transmission of the dirty pages. Mainly in the case of mutations of dirty page, Analysis of the probability of occurrence...

It is of great significance to extend the android SL4A video camera service to pc desktop and mobile phone applications for the scripting languages, such as JavaScript and PHP. In this paper, we propose a method based on SL4A, script language and HTTP communication protocol to expand SL4A video service,...

For short focal length and large field of view, fish-eye lens has been widely applied in such fields as virtual reality, video surveillance, intelligent transportation and robot navigation, but it is necessary to correct the severely distorted images taken by camera with fish-eye lens into the perspective...

In order to measure the success of smart growth, we establish a scientific comprehensive evaluation model and take Miami as example. Firstly, We build the evaluating index system. The first layer includes eight indexes such as people density, urban floor area ratio, land productivity and so on. The second...

There is a high requirement for the growth environment in the deer breeding , Have a great impact on the antler growth, especially temperature, humidity, illumination and other environmental parameters. This study designs a deer house monitoring system based on Internet of things, able to monitor and...

Image matching technology is based on the template image in the search for the corresponding or similar target process in other images,which is a very important technology in the field of image information processing.In this paper, we use the matching algorithm based on pixel gray value, where the template...

In order to balance the traffic supply to meet the citizens demand for public transportation, reduce the pressure of urban traffic, enhance the competitiveness of public travel and improve the intelligent transportation system service, this paper proposes a bus arrival time prediction algorithm based...

Interactive video system based on Android is a new mobile software application which enables the mobile phone users to make and browse interactive videos by themselves. This system can automatically display the corresponding things' additional information by users clicking them in the video and also...

In this paper, an intelligent fault diagnosis method is presented to solve the problem that the accuracy of pumping unit fault diagnosis is not high. This method selects the Shape invariant moment and the Fourier descriptor to extract the characteristic parameters of the sample indicator diagram, and...

In order to investigate the liquid fuel combustion in gas turbine engine, the velocity of field and temperature of combustor in lean fuel injection model were numerically simulated and compared with the experimental data. The results show that the Realizable k- turbulence model can simulate the combustion...

The modern tram has both the attributes of rail transit and bus. Based on the point-line-plane planning method in public transportation and urban rail transit network planning, this study considers the tram line Network, the characteristics of the line, including the length of the line, the node choosing,...

An approach based on multi-source spectra data fusion for identification of edible oil is proposed. A qualitative model based on fusion of Raman spectra and near-infrared spectroscopy (Raman-NIR) was established and compared with conventional single-spectra model. The spectra data was pre-processed using...

There are many researches on pedestrian detection. These researches are mainly used in ADAS systems based on the front view of the pedestrian. However in some situation, for example on the bus or in the public access, passenger flow calculation needs to be done based on the top view images. This paper...

In the process of hot strip rolling, accurate and efficient shape process control system is an important factor to ensure strip with good shape. This paper, based on advanced control concept and optimization mathematical model, aimed at Jingtang 1580 hot strip rolling project, developed advanced shape...

In aerospace measurement and control systems, solid-state power amplifier as an important part of the monitoring and control stations for the monitoring station to launch the carrier to provide high enough power to meet the required system EIRP. In this paper, the basic concept and principle of the transmission...

CPIGEN high power amplifier in the high pressure after the emergence of high pressure, causing high pressure start fault alarm. In order to improve the level of emergency response of the transmitter, this paper first combs the sensor type and signal form of the high-voltage starter, and then analyzes...

In the case where the static threat a priori position information has been obtained, the threat avoidance of the unmanned combat aircraft can be realized by the pre-route planning method. In this paper, we study the planning method of evading route under the condition of known static threat. According...

The electrostatic gyro monitor(ESGM) has complicated structure and needs a long time to start up ,it requires sailing at a uniform course and casting fin to reduce ship shake ,avoiding sailing at low latitude(6øN~6øS),which is difficult to achieve cause of the limitation of mission area and weather condition,in...

The start of electrostatic gyro monitor(ESGM)requires sailing at uniform velocity and constant latitude .This is difficult to achieve and hard for the sailing . Analyzing the data of floating start base on the starting principle of ESGM .The result shows that, ESGM can use floating startmode in some...

Fiber optic gyroscope (FOG) plays an important role in shipboard antenna system. The technical specifications of FOG include B.bias and SF. The paper describes in detail the methods and processes of system modeling and performance analysis with MATLAB as well as the stable precision simulation with Simulink....

In this paper, the key issues of the classical Hough transform XXX radar signal detection were studied, focusing on the parameter space is divided phenomenon, given to find the optimal partitioning method for XXX and radar to find the best way to divide and give a rational method of extracting the peak....

The same problem faced by nonparametric accumulation and coherent accumulation is that the high velocity motion and low radar repetition of the target cause the echo envelope to move seriously, and it can not be accumulated without using the effective method for distance correction. The Hough transform...

The purpose of this paper is to analyze the force status of a single transmission line tower suitable for DC UHF transmission in the vertical direction of the main line. Using the method of theoretical mechanics and material mechanics, the top hamper and the main column are regarded as rigid body, and...

In order to ensure the power supply reliability of transmission lines, reduce bird damage caused by the distribution of accidents, for the characteristics of birds, practical programmes, enhance the security of transmission line operation.

In order to predict the short-term load of the power system, we used regression analysis and time series analysis. Firstly, We plotted the annual load curve of a region and analysed the relationship between load and each meteorological factor. Secondly, the regression model is established and the regression...

Referring to relevant data, the Maritime Silk Road is concerned with several countries Asian and African countries. Cooperation and development are the core of this strategy. Combining the history of the Maritime Silk Road, we mainly focus on the international trade, where high trade efficiency is required....

Political turbulence in Syria, Afghanistan and Iraq has caused a drastic increase in Refugee flow to European countries. Also it is bringing a dilemma between protecting refugees and maintaining social stability to the major receiving countries. In this article, we developed a Real-time Response model...

This paper sets the mathematical model of the single inverted pendulum,and analyzed the imperfection of PID control algorithm for inverted pendulum. Based on this case,the neural model reference control method is discussed in the paper.With the design of the inverted pendulum system with a model-reference...

In order to solve the congestion problem caused by the more strict security check, we developed a mathematical method based on the Petri net model and the queuing theory. First, we get a linear fitting from the A column of data collected according to the queuing theory [1]. And we obtain the distribution...

In this paper, we use the first law of thermodynamics to obtain a differential equation. After comprehensively consider about evaporative heat loss, convection heat loss and radiation heat loss,we develop the model to discuss the temperature of the bathtub water for different time and different flow...

As a clean, economic and sustainable development of energy, nuclear power was increasingly rose by the whole world. Nuclear power industry is inseparable from the development of nuclear materials. Any breakthrough in nuclear technology depends on the first breakthrough in nuclear materials. This paper...

In order to obtain the variation rule of shadow length of the pole in a certain period of time, this paper establishes a model of the change of shadow length with each parameter. First of all, according to the observation date, the solar declination is obtained. In this paper, to make the calculation...

This paper determines the best strategy for people who have a hot bath by analyzing the temporal and spatial variation of the bathtub water. In order to achieve the purpose of saving water, the key research object of the model is the water flow rate from the faucet. Finally, according to the actual situation,...

The world is rapidly urbanizing, and urban planning is becoming more important. Smart growth is a planning theory that can realize the sustainable development of the city effectively. In this paper, we study the principles of smart growth and set up a complete index system.

we develop a metric Total Growth Metric (TGM) to measure success of growth plan, and divide it into Environmental Growth Metric (EGM), Developed Growth Metric (DGM) and Social Growth Metric (SGM) by three E's of sustainability. We consider resource consumption and pollution discharge for EGM. For DGM,...

Edinburgh and Shenmu are chosen for plans of smart growth. We make it clear how their plans meet the smart growth principles. Using data in the period of plans (2011~2015), we calculate values of our metrics to simply analyze their success. Furthermore, we use mean value test (t test) to measure the...

In this paper, we introduce a rainwater collection system based on resident landscape. It includes roof rainwater delivery system, purification system and underground stored system. Rainwater can be collected and purified through plant shallow groove, rain pipe and high flower bed. It can also be stored...

In this paper, we mainly introduce a solar-thermal underfloor heating system with electrical heating, which consists of solar vacuum tube panel, finned tube heat exchanger, disturbed flow tank, underfloor heating pipe, temperature measuring point, circulating water pump and auxiliary electric heater....

In this paper, we removing the Kariba Dam and replacing it with 18 smaller dams along the Zambezi river. Furthermore, we set up three progressive models-the cascade dam system model, the long-term optimal dispatch of the new system model, and the successive linear programming optimal scheduling model,...

The barrier toll is a crucial part of a freeway.The bottleneck of a freeway about safety and throughput is usually the fan-in area.In this paper, I put forward the merging model of barrier tolls (MBT) based on cellular automaton(CA) taking various factors which influence the merging of vehicles into...