ASK FSK

结合QPSK调制的直接序列扩频系统的仿真(Combined with QPSK modulation direct-sequence spread-spectrum system simulation)

说明：  S7200 通过modbus 通讯与多块表通讯 定时轮询(Reading multi block instrument timing polling)

说明：  数字信号QPSK调制，卷积编码，根升余弦滤波器，高斯信道。并画出误码率曲线。(Digital signal QPSK modulation, convolutional coding, root-up cosine filter, Gauss channel. The error rate curve is drawn.)

OFDM降低峰平比采用预失真技术，程序仿真了加入预失真技术后的星座图与未加预失真的比较。结果比较明显。采用QAM映射。(OFDM PAPR reducing the use of pre-distortion technology, process simulation technology to join the pre-distortion of the constellation diagram and the following not pre-distortion comparison. More obvious results.)

迷宫的flash程序,动态演示出入栈的操作,对下正在学数据结构的同学有帮助(Labyrinth flash procedures, dynamic demonstration of the operation of stacks, for students who are learning data structure is helpful)

OFDM功率谱密度和OFDM子载波频谱/仿真分析OFDM信号的频谱特性和功率谱特性(The spectrum characteristics and power spectrum characteristics of OFDM signals are simulated and analyzed)

用MSCOMM控件控制FXPLC全部输出/全部关闭/单独输出(MSCOMM control with full output control FXPLC/All off/single output)

仿真了恒虚警的平均单元算法，给出仿真结果，同时分析了不同窗口数对虚警率和检测率的影响，并写了详细的注释(The constant false alarm average cell algorithm is simulated, and the simulation results are given. Meanwhile, the influence of different window numbers on false alarm rate and detection rate is analyzed, and detailed annotations are written.)

基于TCP的利用线程实现的服务器端的接收消息功能。(This is a program based on TCP ，and realize the server receives function by multi-thread functions.)

使用matlab的LDPC编码，映射为64QAM，软解调(ldpc coding whic is very good)