dbus-1.8.20.tar

实现的通信中正交频分复用的过程，包括OFDM的一些信号处理的算法(To achieve communication in orthogonal frequency division multiplexing process, including a number of OFDM signal processing algorithms)

说明：  运用近似熵算法对cpm信号进行调制识别，然后计算识别率。(The approximate entropy algorithm is used to recognize the modulation of CPM signal, and then the recognition rate is calculated.)

说明：  利用伪随机序列作为发送信号，经过信道，产生了频偏和相位偏移，利用数字锁相环的原理实现对信号的频率估计和相位估计，实现信号的载波同步。(The frequency offset and phase offset are generated by using pseudo-random sequence as the transmitting signal through the channel. The frequency estimation and phase estimation of the signal are realized by using the principle of digital phase-locked loop, and the carrier synchronization of the signal is realized.)

说明：  小数频锁相环建模，适用于学习了解小数频率综合器设计人群。(Modeling of fractional frequency PLL)

对OFDM运用的QPSK的调制与解调，其中包括星座图，误码率的仿真(Use of OFDM QPSK modulation and demodulation, including constellation, BER simulation)

几篇关于信号调制参数提取和识别的硕士论文，不错，希望有所帮助！(Several articles on the signal modulation parameter extraction and identification of the master' s thesis, well, I hope some help!)

对BPSK进行matlab仿真，包括完整参数，星座图(Matlab simulation of BPSK)

实现2ASK、2FSK调制及两者的包络检波解调(Implementation of 2ASK, 2FSK modulation and envelope demodulation of both)

STM32F103通过串口控制PWM输出(STM32F103 control PWM output through serial port)

用于基站定位的RSA算法，采用sdp工具箱求解二次规划问题，增加紧约束条件得到更加精确的MS位置。(The RSA algorithm for base station location uses the SDP toolbox to solve the quadratic programming problem, increasing the tight constraints and obtaining a more precise MS location.)