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该程序实现水声信道的模拟方法及性能分析，提出了一种信的水声信道模型(The program implements underwater acoustic channel simulation methods and performance analysis, presents a letter of underwater acoustic channel model)

利用MATLAB来进行大气信道中的激光通信仿真，英文原版(Optical Wireless Communication Systems-system and chanel modelling with matlab)

C-Type Filter Design Based on Power-Factor Correction for 12-pulse HVDC Converters

说明：  点亮led流水灯，通过调用锁相环，可以更改对应的时钟。(Lighting the LED pipelining lamp, the corresponding clock can be changed by calling the phase-locked loop.)

只是在闲暇时发现网络上面根本就没有完全公开或者使用方便的程序,(Is only found in your spare time on the network did not fully open or easy to use program,)

画出13位巴克码的时域波形及其自相关函数(waveform and autocorrelation of 13 bit barker code)

matlab中使用FFT算法求两个信号的时频二维（互模糊）函数，可以实现信号的时延、多普勒频移联合估计（需要根据实际场景适当修改参数）(oint estimation matlab frequency two-dimensional FFT algorithm seeking the two signals (cross ambiguity) function, signal delay, Doppler shift)

说明：  雷达动目标检测仿真，含脉冲压缩，mtd处理等(Radar moving target detection simulation, including pulse compression, mtd processing, etc.)

电话集团交换机的一些组成部分和工作原理,了解交换机的基本常识()

说明：  用VHDL语言在CPLD/FPGA上实现浮点运算的方法(in VHDL CPLD/FPGA achieve floating-point computation methods)