In order to support real-time quality of service in time-sensitive and time-tolerant coexisting network in Ethernet, a set of IEEE standards for transporting and forwarding real-time content over Ethernet are proposed that known as Audio Video Bridging (AVB). By bandwidth reservation and priority isolation,...

According to the network congestion caused by node failure, presents a measuring node effectiveness evaluation index. The index for the long correlation properties of the actual flow, respectively using the autoregressive moving average (Auto-Regressive and Moving Average, ARAMA) model and linear fractional...

There is a technique innovation in GNSS receivers. That is to say, the common reference clock is adopted in more than two GNSS receivers and the carrier phase single difference can get the same technical effects as the double difference. This paper expresses in detail mathematical model method and some...

This paper considers a full-duplex two-way relaying (FD-TWR) system, where two terminals transmit and receive simultaneously with the help of a full-duplex relay node. We propose the transmission scheme for decode-and-forward (DF) protocol using the differential binary phase-shift keying (DBPSK) modulation...

In this paper, a two-way denoise-and-forward (DNF) multiple-input-multiple-output (MIMO) relaying scheme for land mobile satellite (LMS) communication is proposed. We first describe the system model of two-way DNF MIMO relaying and the channel model used in LMS communication. Secondly, we use binary...

Gram-Schmidt based spectral pansharpening is a well-known scheme for fusion of panchromatic (PAN) and multispectral (MS) images. However, it relies more on the relative spectral responses between the PAN and MS sensors, which may easily suffer from spectral distortions. To deal with this problem, we...

This paper propose a new fusion method (Signal Fusion based on signal Wavelet transform and Date Association, SFWD), its purpose is to performance issues by the signal generated by the influence of interference resolution process in the wireless network transmission. Firstly, based on wavelet transform...

Pansharpening aims at injecting the spatial structure of the high resolution panchromatic(PAN) image into the low resolution multispectral(MS) image. In order to overcome the shortcomings of the existing methods that can not extract the details of the image accurately, some pansharpening methods based...

According to the calibration principle of the MATLAB calibration toolbox, the transformation relations between four coordinate systems used in camera calibration are analyzed. On this basis, MATLAB calibration toolbox is used to simulate the corner point calibration algorithm of the checkerboard, and...

In view of the difficulty of cathode modification, this paper proposes a new method based on the theory of equilibrium gap and cathode modification. Firstly, the mathematical model of cathode modification of face gear is established and different normal vectors of cathode surface are selected. Then in...

With the object to reuse the design data and method of the aviation standard parts, the method to develop the knowledge parts library of aeronautical standard parts which can be expanded dynamically and seamless integrated with CATIA is researched with the MBD and parametric technology. Based on the...

In order to quickly and comprehensively understand some rubber material data, the three layer system structure based on B_S model develop database system of rubber materials by using ASP technology, the Windows7 operating system, IIS7.5 as Web server, Dreamweaver CS6 as the development platform, SQL...

The research can achieve multi-objective fuzzy and multi constraint optimum design of epicyclic gear train which has large transmission ratio, high power, high efficiency and simple structure, compact epicyclic gear train with multi-objective fuzzy optimum method.Based on analyzing of structure types...

In a polar coded cooperative relay system, the channel parameters play a very important role in the overall system performance. In order to find the optimal channel parameter which is suitable for polar encoding and decoding, and to optimize the system performance, a equivalent channel parameter (ECP)...

With the development of modern industry, Modern die technology is developing in the direction of high precision, high life, high productivity and complex structure. Therefore, the development of new die design and manufacturing technology is imperative. Light curing rapid prototyping technology is the...

The indoor positioning technology is the most important research field in the location based service (LBS). RFID, ZigBee, Bluetooth and UWB are popular technologies in the indoor positioning system. However, thesingle technology cannot realize the high accuracy. Bluetooth sensor network continues to...

In this paper, facing the problem of tool selection in the machining process, an evaluation model of machining capacity of milling cutter, which is based on the method of relational algebra, is established. First, affecting processing capability factors are integrated by modeling. Second, these factors...

In order to solve the problems in quadcopter system, such as real-time response, heavy workload and difficulty in control, this paper applies the embedded real-time operating system (RT-Thread) to the quadcopter. The PID algorithm has been considered in two structures in respect of the optional control...

With the object to improve the design efficiency and quality of general parts through the research and analysis of parametric modeling hierarchy, the parametric modeling technology is summarized. This method can be used to build reusable templates part based on CATIA, the research results of this paper...

By studying the reliability distribution of CNC lathe, it is possible to solve the problem of poor reliability and short life of CNC lathe, which can also reveal the weak links, key elements and components in the system design. The mathematical model of NC lathe is established by using Arlins distribution...

In order to establish the general principles and general standards for the design of high-speed cutter, this paper summarizes the research and application status of high-speed end milling cutter. It is concluded that the high-speed end milling cutter is designed only from the high-speed cutting mechanism,...

The GNSS signal which is reflected by the surface of the object carries the physical characteristic information of reflecting surface. Global navigation satellite system reflection (GNSS-R) is an emerging area of GNSS applications in the field of microwave remote sensing using multipath reflected signals....

Based on web, an integrated Magnetic alloys database system has been constructed, by adopting a three-tier architecture such as B/S and using advanced technologies such as ASP and SQL. The system has several advantages such as friendly interface, simplicity, easy to use and understand, functional integrity...

The dilemma of tool design and manufacturing in China is analyzed, and a new way of coping strategy is put forward. By introducing MBD technology into tool modeling, the expression frame of MBD data set in tool modeling is expounded, and the concept of parameterization is introduced in the new MBD model...

With the densification of Internet of Things (IoT), the IoT application will benefit a lot from a wide range of unused bandwidths Millimeter wave (mm wave) frequencies. Through the general theoretical background, this paper puts forward several conventional beamforming algorithms in the mm wave environment,...

In the milling process, the temperature and milling force have an important influence on tool life, so the prediction of the thermo-mechanical coupling field is very important. According to the actual cutting characteristics of solid carbide end milling cutter for processing T10 carbon tool steel, the...

In this paper, we introduce software-defined networking (SDN) into wireless sensor networks (WSNs) for saving energy and smart management. We propose a generic architecture for the base station in a software-defined wireless sensor network. We also propose a general framework for a software-defined wireless...