注释齐全

wcdma 编码扩频调制过程。。。。。。。。。。。。。。。。。。(wcdma coded spread-spectrum modulation process )

说明：  基于深度学习的OFDM多载波系统信道估计(Channel estimation for OFDM multi carrier system based on deep learning)

一个波束形成的例子，比较了在瑞利信道中使用波束成形和不使用波束成形的误码率。(An example of beamforming is made to compare beamforming and without beamforming bit error rate in Rayleigh channel.)

通过labview与康耐视相机的In-sight软件通讯，通过tcp/ip，可发送指令(In-sight communication software, through the LabVIEW and Cognex camera through tcp/ip, send commands)

对FBMC通信系统进行仿真，采用扩频技术进行调制。(FBMC simulation of communication systems using spread spectrum modulation techniques.)

BPSK仿真程序，简短有效，误码率分析，经典，快速(BPSK Simulation)

利用vc编写的基于Goose报文的通信程序，在此程序中可对所发送的报文进行设定。(Goose vc prepared based on the use of packet communication program, in this procedure can send packets to the set.)

1）设计Butterworth型音频抗混叠滤波器； 2）参数： 下通带频率300Hz；上通带频率3400Hz； 下阻带频率280Hz；上阻带频率3600Hz； 通带最大衰减0.3dB； 阻带最小衰减40dB； 3）采用一低通滤波器和一高通滤波器级联； 4）分别确定LPF和HPF的性能指标； 5）求出两滤波器的系统函数和频率响应，并画出其幅频特性曲线； 6）求整个滤波器的系统函数和频率响应，并画出其幅频特性曲线。(1) the design of Butterworth-type audio anti-aliasing filter 2) parameters: passband frequency of 300Hz on pass-band frequency 3400Hz under the stop-band frequency of 280Hz on stop-band frequency 3600Hz passband maximum attenuation of 0.3dB minimum stopband attenuation of 40dB 3) the use of a low-pass filter and a high-pass filter cascade 4) separately to determine the performance of LPF and HPF target 5) to derive two-filter system function and frequency response, and draw its increase frequency characteristic curve 6) for the entire filter system function and frequency response, and draw its amplitude-frequency characteristic curve.)

说明：  基于matlab的脉冲编码仿真,pcm 模块仿真系统等(Pulse coding Simulation based on matlab, Simulation system of pcm Module and so on)

程序使用了自相关性和互相关性较好的gold码作为扩频序列，直扩，扩频增益设置为31，模拟用户数为4(Program uses a self-correlation and cross-correlation of the better gold code as spreading sequence, direct expansion, spreading gain is set to 31 to simulate the number of users of 4)