信号插入导频-QPSK_raised cosine

说明：  16QAM信号 64QAM信号的产生和分析，星座图，频谱，功率谱(6QAM signal 64QAM signal generation and analysis, constellation, spectrum, power spectrum)

Windows系统下Modbus RTU协议从站，VB.net开发，可以直接支持研华系列采集模块的源代码(Windows systems, the Modbus RTU protocol slave, VB.net developers can directly support the of Advantech series acquisition module source code)

用于变电所的电力103通信测试的源代码,主要用在工控行业(103 for electricity substation communications test source code, mainly used in the industrial sector)

次程序用来仿真线性调频脉冲下的一维距离像，可以对比压缩前后的目标回波信号(Second program is used to simulate the next chirp like a one-dimensional distance, you can compare before and after the target echo signal compression)

TI RTOS 教材，难得好资料，基于TI RTOS软件开发人员的必备参考(TI RTOS handbook, show how to use TI RTOS)

OPC Server服务器和驱动源代码，非常实用，支持Modbus RTU，Modbus TCP，IEC61850，CANopen协议等。您需求OPC Server或其他协议源代码，联系 truesoft@163.com(OPC Server source code for Modbus RTU，Modbus TCP，IEC61850，CANopen procotol.)

说明：  关于polar code的信息，我认为非常有用。这不是我写的(As for the information of polar code, I think it is very useful. It is not written by me)

详细介绍了ldpc编码以及如何在matlab的simulink 上实现(ldpc matlab simulink)

STM32F411的心电测试程序，经过测试，绝对可用。(ECG_TESTCMSIScore_cm3.c ECG_TESTCMSIScore_cm3.h ECG_TESTCMSISstartupstartup_stm32f10x_hd.s ECG_TESTCMSISstartupstartup_stm32f10x_ld.s ECG_TESTCMSISstartupstartup_stm32f10x_md.s ECG_TESTCMSISstm32f10x.h ECG_TESTCMSISsystem_stm32f10x.c ECG_TESTCMSISsystem_stm32f10x.h ECG_TESTFWlibincmisc.h ECG_TESTFWlibincstm32f10x_adc.h ECG_TESTFWlibincstm32f10x_bkp.h ECG_TESTFWlibincstm32f10x_can.h ECG_TESTFWlibincstm32f10x_crc.h ECG_TESTFWlibincstm32f10x_dac.h ECG_TESTFWlibincstm32f10x_dbgmcu.h ECG_TESTFWlibincstm32f10x_dma.h ECG_TESTFWlibincstm32f10x_exti.h ECG_TESTFWlibincstm32f10x_flash.h ECG_TESTFWlibincstm32f10x_fsmc.h)

QPSK的编译 设定噪声为高斯白噪声，对2ASK、2FSK、2PSK、2DPSK等各种调制方式及相应的主要解调方式下（分相干与非相干）的误码率进行统计，并与理论值进行比较，以图形方式表示误码率与信噪比间的关系。(QPSK compiled Set the noise is Gaussian white noise, right 2ASK, 2FSK, 2PSK, 2DPSK variety of modulation and demodulation mode corresponding to the main (sub-coherent and non-coherent) error rate statistics, and with the theoretical value comparison, a graphical representation of bit error rate and SNR relationships.)