GPS_INS0914

A Survey on Pixel-Based Skin Color Detection Techniques

说明：  阐述了RS-485总线规范，描述了影响RS-485总线通信速率和通信可靠性的三个因素，同时提出 了相应的解决方法并讨论了总线负载能力和传输距离之间的具体关系。 (Described the RS-485 bus specification, describes the impact of RS-485 bus communication speed and communication reliability of the three factors, while the corresponding solutions presented and discussed the bus load capacity and the specific relationship between the transmission distance.)

说明：  OFDM系统仿真，分析了AWGN信道和瑞利衰落信道下的ber曲线(The simulation of OFDM system analyzes the BER curves of AWGN channel and Rayleigh fading channel)

16QAM数字基带信号系统仿真，包括发射机程序和接收端程序(16QAM digital baseband signal system simulation)

OFDM系统包括OFDM系统的调制解调，IFFT及FFT变换，保护间隔的加入对系统性能的改善，以及多径干扰、高速移动对系统误码率的影响。(The OFDM system includes modulation and demodulation of the OFDM system, IFFT and FFT transformation, the improvement of the protection interval to the system performance, and the influence of multipath interference and high-speed mobile on the system BER.)

通信仿真CDMAIS-95码分多址通信系统matlab(Communication simulation CDMAIS-95 code division multiple access communication system matlab)

一篇关于四桥臂有源电力滤波器关键技术研究的文章(research on the key issues of the four-leg active power filter)

通过粒子群算法改进了矢量量化,有利于图像的压缩(The particle swarm optimization is used to improve the vector quantization, which is beneficial to the compression of the image.)

在Matlab环境下用于计算CRC16的代码，本原多项式为X16+X15+X2+1，并提供测试文件。(In the Matlab environment for the calculation of CRC16 code, the primitive polynomial is X16+X15+X2+1, and provide the test file.)

This document describes about the digital modulation techniques especially about spread spectrum.