BX-5K 5MK user manual

实现了光通信系统的多径、以及不同信噪比下的通信链路信噪比仿真。其中包含OOK/PPM/DPPM/DHPIM/副载波调制(The simulation of communication link signal-to-noise ratio (SNR) of optical communication system under multipath and different signal-to-noise ratio is realized. It contains OOK/PPM/DPPM/DHPIM/ subcarrier modulation)

利用MATLAB软件对OFDM系统做出仿真。仿真中采用QPSK调制技术，并加入高斯白噪声，最终得到QPSK星座映射图以及BER曲线图。由仿真结果可以看出，OFDM在高斯信道具有良好的抗噪声性能，误码率较低。(MATLAB software is used to simulate the OFDM system. In the simulation, QPSK modulation technology is used, and Gauss white noise is added, and the map of the QPSK constellation and the BER curve are finally obtained. It can be seen from the simulation results that OFDM has good anti noise performance and low error rate in Gauss channel.)

DSDV协议在ns2中的实现，可以直接使用，无需调试(DSDV protocol implementation in ns2, can be used directly, without debugging)

恒频恒压(CVCF)逆变电源的输出电压波形质量是衡量其性能的重要指标之一。文章采用一种重复控制和双闭环控制相结合的电压波形控制策略，以重复控制器提高逆变电源输出电压的稳态精度，减小总谐波畸变率；以双闭环控制器达到较快的动态响应速度。该方案在一台采用TMS320F240 DSP控制芯片的50 Hz三相PWM逆变器上得到验证。(Constant voltage constant frequency (CVCF) Inverter output voltage waveform quality is an important measure of its performance indicators. Paper using a repetitive control and the combination of double closed loop control voltage waveform control strategy to improve the repetitive controller output voltage inverter steady-state accuracy and reduce total harmonic distortion to achieve a faster dual-loop controller dynamic response speed. The program uses TMS320F240 DSP in a 50 Hz phase control chip PWM inverter has been to verify.)

极化敏感阵列的学习笔记，有助于了解极化敏感阵列的相关知识(Study notes polarization sensitive array, helping to understand the polarization sensitive array of relevant knowledge)

LTE变采样滤波器的设计，应用在USRP平台，100M采样率变到30.72M采样率，以及30.72M采样率变换到100M采样率，文档说明，matlab源代码，以及性能仿真(LTE varying sampling filter design, used in USRP platform, 100M sampling rate changes to 30.72M sampling rate, and sample rate conversion 30.72M to 100M sampling rate, documentation, matlab source code, and performance simulation)

说明：  此代码为4ASK发送调制与接收解调的通信系统，为主要代码(Communication system of 4ask transmitting modulation and receiving demodulation)

信号的捕获(直接序列扩频系统的matlab仿真实现，包括M,GOLD序列生成，信道建模，噪声，扩频，解扩)(Signal capture (direct sequence spread spectrum system simulation matlab implementation, including M, GOLD sequence generation, channel modeling, noise, spreading, despreading))

说明：  ad hoc MAC协议，修改及仿真后的代码，源程序，实现AD HOC网络通信(AD hoc MAC protocol, modified and simulated code, source program, AD hoc network communication)

说明：  在MIMO系统里 2发2收天线，采用Alamouti发案编码的无线传输系统在瑞瑞丽平衰落信道下的误码率性能仿真，系统采用调制方式为QPSK。(MIMO 2 send and 2 receive antenna ,)