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白噪声是工程中常用到的参考信号，程序通过白噪声的计算方法，可以得出2至7阶的白噪声序列，值得参考(White noise is commonly used to project the reference signal, the program is calculated through the white noise, can be drawn from 2 to 7 bands of white noise sequence)

how to create rec code rate 2

这是现代数字信号处理课程中涉及到的实验，预测太阳黑子周期的，包含周期图法和burg法。(This is a modern digital signal processing courses related to the experiment, predicted sunspot cycle, including the periodogram method and burg method.)

严格耦合波方法计算二维光栅透射反射系数——matlab程序(Rigorous coupled-wave method to calculate two-dimensional transmission grating reflection coefficient- matlab program)

说明：  信号x（n）=sin(2*pi*0.05*n)+2*cos(2*pi*0.12*n)+w（n），求N=365的相关函数和功率谱(Signal x (n) = sin (2 * pi * 0.05 * n) + 2 * cos (2 * pi * 0.12 * n) + W (n), the correlation function and power spectrum of n = 365 are obtained)

在信道仿真中，对接收信号进行滤波等处理，以便于接收器对信号的接收和处理。(the channel simulation, the received signal is filtered, etc., in order to receive the signal is received and processed.)

calculated interaction curve of the concrete column

MTI雷达（动目标检测雷达）能够抑制杂波保留目标信号，本人提供了单延迟线MTI对消器频响，双延迟线MTI对消器频响，利用参差重频消除盲速影响，讨论MTI雷达参差比取不同的值对盲速的影响的matlab仿真源代码MTI_radar (MTI radar (moving target detection radar) can suppress clutter to keep the target signal, I provide a single delay line MTI canceller response, dual delay lines MTI canceller response, the use of repetition to eliminate blind speed mixed effects discussed MTI Radar varies on different values ​ ​ than the blind speed of matlab simulation source code MTI_radar)

ex9_15 比较相参积累和非相参积累。仿真先产生信号回波。得到回拨求模的结果，计算回波的信噪比。进行非相参积累和相参积累处理，计算相参处理和非相参处理后的信噪比。(Comparison ex9_15 coherent and noncoherent. Simulation of the first echo signal. Be the result of the call-back mode for calculating the echo signal to noise ratio. For noncoherent and coherent processing, the calculation of non-coherent processing and coherent treatment of the signal to noise ratio.)

svm程序，下载后可以直接运行，但需要结合data数据。没有密码(svm program can be run directly after download, but requires a combination of data data. No password)