6325792

explains OFDM transmitter AM/PM effect at 64QAM signals

turbo码的译码，以及包含LOGMAP和SOVA两种算法(turbo code decoding, and includes two algorithms LOGMAP and SOVA)

易语言打怪模拟器源码,很不错的易语言源码,适合易语言爱好者学习,(Easy language strange simulator source code, very good easy language source code, suitable for easy language lovers to learn,)

说明：  文件提供了通信中自适应波束形成的matlab程序，根据到达的来波方向，自适应的调节形成波束的主瓣方向，程序给出了自适应的过程和最后的波束图。(document provides communications adaptive beamforming of Matlab procedures, according to the arrival of wave direction, the regulation of adaptive beam forming the main valve direction, the procedure is the process of adaptive beamforming and the final map.)

完全实现多串口通信，使用C#测试，完全通过(Multiple serial communication)

Multiple input multiple output techniques combined with orthogonal frequency division multiplexing (MIMO-OFDM) provide a promising approach for wireless systems. However, a serious drawback of the OFDM system is the high peak-toaverage power ratio (PAPR), which may severely affect the power efficiency of RF power amplifiers. In this paper, we propose a simple method to reduce the PAPR of MIMO-OFDM signals based on the use of unused subcarriers. Instead of processing the signals at each transmitter separately, a peak cancelling signal is generated at one antenna and is then applied to all the others with only simple modifications. Simulation has shown that a minimum 2 dB reduction in PAPR can be achieved for all transmit signals using this approach. As the signal processing is nearly all done at a single transmitter, repetition of the operations at each transmitter is avoided, and therefore the overall cost of the system can be significantly reduced.

这是一个将语音信号通过DPCM编码传输的仿真测试程序，内有详细注释，希望对大家有用。(This is a voice signal transmission through the DPCM code simulation testing procedures, with detailed notes, We hope that the right useful.)

mobus RTU 采集，采用的是RS485(modbus rtu)

利用维特比算法解调GMSK信号 维特比算法的一个用处(Viterbi algorithm using GMSK signal demodulation Viterbi algorithm is a useful)

说明：  NOMA系统级仿真，多用户，多径瑞利信道(NOMA System Level Simulation)