jpegdemo

利用fft2对图像傅里叶变换，在用lpfilter生成高斯低通滤波器，进行过滤再进行反变换最后显示(Use fft2 the image Fourier transform, in with lpfilter generate Gaussian low-pass filter for filtering the inverse transform last displayed)

基-4FFT算法，数字信号处理课程的基础算法之一(Group-4FFT algorithm, one of the basic algorithm for digital signal processing courses)

说明：  机械臂三维仿真中，有三次多项式、五次多项式，完成了五次多项式的位置、速度、加速度的机械臂仿真(Fifth-degree polynomial position, velocity, acceleration manipulator simulation)

瑞利衰落信道下QAM信号的误码率和误比特率仿真程序(the Simbol error rate and Bit error rate of 16QAM signal over Rayleigh fading channel)

用Matlab产生单双极性的NRZ和RZ码型(Using Matlab generated Mono polar NRZ and RZ format)

Hamming，Blackman-Harris加权的零点图。( Zero plots for Hamming, Blackman-Harris weightings)

炮记录加道头，野外地震数据转换，dat转su或者segy(add head to seismic data ,data to su or segy)

Digital Modulation and GMSK A brief introduction to digital modulation schemes is given, showing the logical development of GMSK from simpler schemes.

隔振 减震 原理 描写了隔振方面的理论并且通过几个例子描述了简谐振动(The principle of isolation damping describe the isolation theory and describe a few examples of a simple harmonic motion)

王丰华等提出的相位差分法的实现，主要用于信号处理中提取信号的瞬时频率。注意该方法只适用于单分量信号。另外一个是利用自相关法求瞬时频率(Wang Fenghua such as the phase difference method to achieve, mainly used for signal processing to extract the instantaneous frequency of the signal. Note that this method is only applicable to single-component signal)