frequency-analysis-

本程序仿真了AWGN信道下，采用DS扩频对bpsk信号的影响，扩频码采用walsh码，扩频因子16； 接收端进行rake接收，然后分集合并，比较了三种分集方式对误码率的影响 从图像可以看出在扩频因子较高的情况下，最大比值合并与等增益合并性能相近(This program simulates the AWGN channel, using DS spread spectrum signal for bpsk influence spreading code using walsh code spreading factor 16 Rake receiver receiving end, and diversity combining, diversity compares three methods on the bit error rate of As can be seen from the image in the case of higher spreading factor, the maximum ratio combining and equal gain combining similar performance)

基于Simulink的数字滤波器的仿真 用于设计滤波的方法 (Simulink-based simulation of the digital filter used in the design of filtering methods)

该程序可对变压器做仿真,模拟变压器放电传播特性,并加以定位用(The procedure can be done on the transformer simulation, simulation transformer discharge propagation characteristics, and positioning with)

对输入信号进行傅立叶变换，并画出单边频谱图(Of the input signal Fourier transform, and draw a unilateral Spectrum)

NICAM（丽音）系统编解码Matlab源程序(NICAM encoder and decoder)

PC parallel LPT port pinout

Kalman filtering examples. Parameter estimation, EKF, UKF.

It is a drilling system control

最大功率输出控制的光伏发电系统，通过输出功率作为反馈信号控制输入电压，是系统处于最大功率输出。(Maximum power output of photovoltaic power generation system controlled by the output power control input voltage as a feedback signal, the system at the maximum power output.)

说明：  基于MATLAB的Filter使用，低通、带通和高通滤波器的仿真。包括filter、ftt等函数的使用(Matlab based filter use, low-pass, band-pass and high pass filter simulation. Including the use of filter, FTT and other functions)