rough

一个bp的逼近算法(an approximation algorithm bp)

应用随机过程教程及在算法和智能计算中的随机模型，清华大学出版社，龚光鲁，钱敏平著。(Tutorial and the application of random process algorithm and intelligent computing of the stochastic model, Tsinghua University Press, Gong Lu, Qian Min-Ping book.)

采用最新的BM3D（三维块匹配）方法进行的灰度图像，彩色图像和视频图像的去噪(Using the latest BM3D (three-dimensional block-matching) method for image, color images and video image denoising)

q713是低通滤波器及傅里叶变换时域卷积定理验证，q714是用符号工具箱解z变换问题(q713 is a low-pass filter and the Fourier transform time-domain convolution theorem verification, q714 is symbolic toolbox solution of the problem z transform)

basic matlab codes 3

说明：  利用matlab工具箱函数，分别画出长度为15的矩形窗、汉宁窗、汉明窗和布莱克曼窗的幅频（dB）特性曲线，观察它们的主要参数（主瓣宽度、过渡带宽度、旁瓣峰值幅度）的差别。(Matlab toolbox function is used to draw the amplit-frequency (dB) characteristic curves of rectangular window, hanning window, hamming window and blackman window with the length of 15, and observe the difference of their main parameters (main lobe width, transition band width, side lobe peak amplitude).)

使用matlab软件编制的计算程序，值得一看啊(Prepared using the matlab software computational procedures, see ah)

MATLAB数值运算，很实用的MATLAB教程，希望对大家有些帮助。(MATLAB numerical computing, MATLAB is very useful tutorial, we want some help.)

数字调制就是把数字基带信号的频谱搬移到高频处，形成适合在信道中传输的带通信号。基本的数字调制方式有振幅键控（ASK）、频移键控（FSK）、绝对相移键控（PSK）、相对（差分）相移键控（DPSK）。在接收端可以采用想干解调或非相干解调还原数字基带信号。 (Digital modulation is the spectrum shifting to high frequency digital baseband signals, suitable for the formation of bandpass signal transmission in the channel. Digital modulation basic amplitude keying (ASK), frequency shift keying (FSK), the absolute phase shift keying (PSK), relative (differential) phase shift keying (DPSK). At the receiving end can be used to dry the demodulation or non coherent demodulating the digital baseband signal. )

用于无线资源分配中，它既能保证吞吐量，又能保证公平性。(Radio resource allocation, it can guarantee throughput, but also to ensure fairness.)