Arithmetic

说明：  5. 在三条径的瑞利信道中，对于直接序列扩频： (1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线，请解释在误码率为0.01时，两种合并方式所表现的不同的物理意义。 (2) 设频率已经同步，请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法，用Simulink进行仿真(自己编写代码S-Function方式)，分析所设计方案的时间同步精度，画出比特信噪比与捕获概率的关系曲线。 (3) 设时间已经同步，请设计DS-CDMA一种具体的频率同步方法，用Simulink进行仿真(自己编写代码S-Function方式)，画出比特信噪比与频率同步误差的关系曲线。 (5 In the three path Rayleigh channel, for direct sequence spread spectrum: (1) Please design a specific DS-CDMA code division guide-assisted channel estimation, receiver, etc were used to benefit the merger, the maximum ratio combining. With the Simulink simulation, BPSK BER performance measure, draw-bit signal to noise ratio and channel estimation mean square error of the curve, draw the signal to noise ratio and bit error rate curve, please explain in bit error rate 0.01, the two methods are combined performance of the different physical meaning. (2) frequency has been set up synchronization, a specific design of DS-CDMA single-stop sliding correlation method of time synchronization, simulation with Simulink (S-Function code their own way), analyze the design of time synchronization accuracy, draw bit signal to noise ratio and capture probability curve. (3) set time has been synchronized, a specific design of DS-CDMA frequency synchronization method, simulation using Simulink ()

this is a matlab code for linear predictive coder

Matlab code to detect tumour in brain scan

数值分析中的SEIDEL迭代法的MATLAB源程序，按照代码中的提示输入，可以直接得出结果(Numerical Analysis SEIDEL iteration of the MATLAB source code, in accordance with the prompt code input, the results can be directly)

研究了利用混沌相变进行弱信号检测的理论及仿真试验( 对基于)振子初值敏感性检测弱信号的方法分 析后指出，过渡过程会影响检测性能，提出一种改进的弱信号检测方法( 对仿真输入噪声生成和仿真步长选择进行 研究后建立了仿真模型，在典型噪声背景下检测弱正弦信号( 实验结(Studied the use of chaotic phase transitions for weak signal detection theory and simulation test (based on) the sensitivity of oscillator initial value method of weak signal detection analysis pointed out that the transition process will affect the detection performance, an improved method of weak signal detection ( on the simulation input noise generation and simulation step size selection study established a simulation model, in a typical background noise detection of weak sinusoidal signal (experimental colorectal)

Example of application in kalman filter

水平集图像处理程序,利用一个新的变分公式进行图像处理，效果很好(Level set image processing program,we present a new variational formulation for geometric active contours that forces the level set function to be close to a signed distance function, and therefore completely eliminates the need of the costly re-initialization procedure.)

此程序为解线性方程组的Jacobi迭代法的MATLAB源程序(This procedure for the solution of linear equations of the Jacobi iterative method of MATLAB source)

说明：  旅行商问题蚁群算法求解，不同的是需要设置文本文件的坐标。灵活性强，注释清晰。(Ant colony algorithm for traveling salesman problem, the difference is you need to set the coordinates of the text file. Flexibility, clear notes. )

研究生一门课程的小作业，很全，是关于模拟退火算法的(Postgraduate course of a small job, very full, the simulated annealing algorithm)