ofdm-with-noise

实现了对语音信号的STFT处理，用matlab(Realization of the speech signal STFT processing, using matlab)

用4种方法绘出螺旋曲线上升的动态效果 x=cos(t) y=sin(t) z=t(Plotted using four methods increased the dynamic effect of the spiral curve x = cos (t) y = sin (t) z = t)

说明：  用QR分解来解方程AX=b，其中QR分解是用householder变换做的(With QR decomposition to solve the equation AX = b, where QR decomposition is done using householder transformation)

说明：  一个关于UWB的介绍文档，讲了UWB的基本知识和应用(A tutorial about UWB. Introduce the basic knowledge and Applications of UWB)

几个用matlab实现正向云发生器，k均值算法的的程序，都已调试通过 ，经测试可直接使用。 (Several matlab realize positive cloud generator, k-means algorithm procedures have been debugging through, has been tested and can be used directly.)

说明：  基于宽带调制转换器的一个压缩感知技术，Matlab软件包，用于模拟系统的采样。(A compressed sensing technology based on wideband modulation converter)

demonstration of chirp signals

说明：  在离散余弦变换下实现信号的稀疏分解，matlab环境下可以简单实现(realize sparse Decomposition with dct)

cosine transform and wavelet transform

研究无线通信中的调制编码的性能，分析编码调制在信道中的性能。(Study of wireless communication in the modulation coding performance, analyzing the performance of coded modulation in the channel.)