MATLAB-QPSK

数字信号解调（接收端），包括：“删除干扰噪声信号”，“从载波信号中提取原始信号”，“滤波器滤波”，“用PSK解码，把图形变成数字信号”。(Digital signal demodulator (receiver), including: " to remove interference noise signal," " carrier signal extracted from the original signal," " filter" , " with PSK decoding, graphics put into a digital signal." )

matlab7.8入门指导matlab7.8入门指导matlab7.8入门指导matlab7.8入门指导(Getting Started matlab7.8 guidance. pdf)

Long-Term Evolution: Simplify the Migration to 4G Networks

机械出版社出版的《数值分析与应用》的源程序，有最优化和数值分析算法的各种程序，对于搞研究有用(Machine Press book "Numerical Analysis and Applications" to the source, there are optimization and numerical analysis algorithms of the various procedures for the study useful to engage in)

一堆沙子的横截面，可以使用 Margolus 型邻居仿真，但运动规则不同。 规则： 元胞有 2 个状态。状态= 0 是空的，状态= 1 代表沙子。 在任何时间步长，一个粒子，可以在2x2 块中向着底部运动。可能运动如下 所示。墙壁和底部将阻止粒子继续运动。 为了让该运动略有随机性，我亦补充说一项规则，有时处于下落状态的两个元胞还旋转，直到所有的动作都完成。(Cross-section of a pile of sand, you can type using the Margolus neighborhood simulation, but the movement rules are different. Rules: There are two cellular states. State = 0 is empty, state = 1 for sand. At any time step, a particle can be in the 2x2 block toward the bottom of the movement. May exercise the following. Walls and bottom to prevent the particles continue to campaign. To make the campaign a little random, I also added a rule, sometimes in the falling state of the two cell also rotate until all actions are completed.)

Only coding parameters of sound generation model • LPC is an example where parameters are a1, a2, …ak , e(n) • Music instrument parameters: pitch, loudness, timbre, …Frequency Masking: If a tone of a certain frequency and amplitude is present, then other tones or noise of similar frequency cannot be heard by the human ear • the louder tone (masker) makes the softer tone The Masking Threshold is used by the audio encoder to determine the maximum allowable quantization noise at each frequency to minimize noise perceptibility: remove parts of signal that we cannot perceive

有限元分析 清华大学 范子杰 有限元作业第9讲 薄板单元作业2(Finite element analysis of finite element Tsinghua Fan Zijie job Lecture 9 2 thin unit operations)

说明：  低密度奇偶效驗碼利用硬式解碼再經過bsc通道下的錯誤率(Low-density parity codes using hard and then after bsc channel decoding error rate under the)

说明：  模式识别中的k近邻算法，用matlab编写，希望对大家有所帮助(K-nearest neighbor algorithm for pattern recognition with matlab write, we want to help)

this file contains a robust control project with report in word and mfiles