离散傅里叶变换低通滤波器

Title : Implementation of quadrature modulation and demodulation Design Object : By implementing quadrature modulation and demodulation of analog signals in digital signal processing, students will have better understanding of sampling and frequency analysis of discrete-time signals. Design Content : Make a MATLAB function which performs quadrature modulation and demodulation for a input signal with anti-aliasing filtering.

海杂波的matlabb仿真，希望对大家有用 (Matlab simulation of sea clutter, iin the hope that useful to everybody )

3d model using vrml source code

此例程为配套书籍的第六章例题6-6的相对应代码，功能为计算雷达回波信号的多谱勒时频谱，编程环境为matlab。(This routine supporting books Chapter Example 6-6 corresponding code function for calculating the radar echo signal Doppler spectrum for Matlab programming environment.)

最新关于故障诊断的论文，有LMD算法，还有EMD算法，主要是做轴承磨损预测的(failed to translatefailed to translatefailed to translatefailed to translate)

获取已知输入信号的上、下包络的matlab程序(ENVELOPE gets the data of upper and down envelope of the known input signal)

matlab中解决一般线性方程组 微分方程组等各种方程类型的解决方法 入门级的好帮手(matlab help in solving various types of equations of general solutions of differential equations of linear equations, such as the entry-level)

模糊c均值 图像压缩里面可以用到的 使用效果不错(Fuzzy c means which can be used in image compression using the good results)

声音反射的实现，文档里附有运行的图样，即声音反射的波形(voice reflected the realization documentation is enclosed operation of the drawings, that is reflective of the voice waveform)

牛顿迭代法求无约束一维极值问题的速度相当快，而且还有一个好处就是能高度逼近最优值。(Newton iteration method for one-dimensional unconstrained extremum problem very fast, but there is a benefit that can be highly close to the optimal value.)