The efficient application of electric energy can reduce the cost of household appliances and protect the environment. The vast majority of household appliances, such as refrigerators, washing machines, dryers, dishwashers and air conditioners, are driven by motors. These devices usually include power supply, motor, motor control circuit and mechanical system. There are many ways to […]
Category: Programmable Logic
Design of encoder / decoder based on cyclone II economical FPGA
Authors: Yang Ning, Wang Lide, Wang Yongxiang, Jiang Na 1 Introduction The overall structure of TCN (train communication network) is composed of WTB (stranded train bus) and MVB (multi-function vehicle bus), which conforms to iec61375-1 standard. This paper focuses on the frame format of WTB link control. In view of the fact that the WTB […]
Design of communication digital signal source based on in system programmable chip plsi / ispLSI1016
Programmable logic device (PLD) plays an increasingly important role in industry, automatic control, signal processing and daily life. ISP (in system programmable) device is a wonderful flower in PLD, It is favored by circuit designers because of its good system performance, strong design flexibility, high logic utilization and superior E2CMOS technology. This design is a […]
Design of data relay antenna driver system based on FPGA device a54sx72a-cq208b
Authors: Hou Chao, Zheng Yue, Yao Weilin and Wang Taointroduction Since the successful launch of “tianlian-1” relay satellite, telemetry and remote sensing data can be transmitted in real time for earth observation, greatly improving the operational efficiency and emergency response capability of various satellites. After that, many satellites began to add data relay terminal equipment […]
Design of LDPC code fast coding based on ep2s60 FPGA chip
Authors: Liu Chunjiang, Wu Zhiyong, Yu Xin, Shi Yuhai 1 Introduction Low density parity check (LDPC) codes have become one of the research hotspots in the field of channel coding. LDPC codes belong to linear block codes. According to their construction methods and corresponding coding algorithms, they are mainly divided into two categories: one is […]
MathWorks introduces r2020b version of MATLAB and Simulink
It includes extended Simulink access, new products, major updates, and hundreds of new features. Beijing, China, September 22, 2020 – MathWorks today launched the r2020b version of MATLAB and Simulink product line. The new functions in MATLAB make it easier for users to process graphics and create apps, while the update of Simulink focuses on […]
Design of laser pulse ranging radar system based on FPGA xcl5vlx50
Source: Electronic Design Engineering Author: Wang Qinglong, Zhao Wenyuan, Wang Heguo 1. Introduction Traditional laser pulse time ranging system often uses analog circuit threshold detection to realize time identification. This method is relatively simple, but it is greatly affected by the change of pulse amplitude, and requires high signal-to-noise ratio. When the signal-to-noise ratio is […]
Design of shaping filter based on FPGA flex10k30a
According to Nyquist first criterion, baseband signal shaping can eliminate the influence of inter symbol interference. With the development of ultra-high speed digital integrated circuits, shaping filter has changed from baseband frequency domain analog shaping filter to baseband time domain digital shaping filter. Compared with the baseband analog shaping filter, the baseband digital shaping filter […]
Design of FPGA system based on system generator for DSP
In recent years, in the field of digital communication, network, video and image processing, FPGA has become the key component of high-performance digital signal processing system. The logic structure of FPGA includes not only look-up table, register, multiplexer and memory, but also fast adder, multiplier and I / O processing circuit. FPGA has the ability […]
Design of frame forming / frame decoding circuit based on ASIC and VHDL
Source: microcomputer Information System Author: Li Pengcheng, Yan Yonghong, Shuai Jinxiao In the field of communication, the use of digitization can greatly improve the transmission capacity. The analog voice signal is transformed into a 64kbit / s digital signal after pulse code modulation (PCM) processing (including sampling, quantization and coding). In North America, digital multiplexing […]