computingBERConvolutionalCod2

《matlab有限元分析与应用》书后源代码，在matble中运行，对于有限元的初学者很有用。("Matlab Finite Element Analysis and Application" after the source code, in matble run, FEM for beginners useful.)

pid fun in matlab codes

该程序实现多特征自适应阈值算法，两个matlab文件，一个为函数，该函数求出信号的特征量值并通过梯度下降法训练出其初始阈值，另一个为主函数，调用该函数文件；该程序将4路信号，每一路信号的特征量值及其自适应阈值求出来，并一起画出图来。(The program features multi-adaptive threshold algorithm, two matlab files, one for the function,the function seek out characteristics value and initial threshold value of the signal by gradient descent , the other main function, called the function file the program seek out four signals , characteristics of each road and the adaptive threshold value,then draw them together on the map.)

*** Losided Iteration (A= P^T) ****

课程设计需要运用MATLAB编程实现2ASK,2FSK,2PSK，2DPSK调制解调过程，并且输出其调制后的波形，画出频谱、功率谱密度图，并比较各种调制的误码率情况，讨论其调制效果。(Curriculum design requires the use of MATLAB programming 2ASK 2FSK, 2PSK 2DPSK modulation demodulation process and output modulated waveform, draw the spectrum, power spectrum density map and compare various modulation BER discuss its modulation effect.)

拉格朗日法求解卧式下肢伸屈运动的动力学方程(Lagrange method for solving the dynamic equation of the lower limbs)

说明：  运用主成分分析法和K均值聚类法来进行SAR影像变化检测(SAR image change detection using principal component analysis and K-means clustering)

Digital communication QAM64 modulation type

切比且夫线阵幅度加权方向图计算,画出二位方向图,图示中标示出增益,副瓣电平等(Ratio and the linear amplitude weighted directional graph computation, draw two direction map, marked gain the diagram, the sidelobe level etc. )

ex9_1 脉冲信号调制 ex9_2 载波10MHz，带宽2MHz的线性调频信号及其频谱图 ex9_3 产生7位巴克码编码的二相码 ex9_4 产生7位巴克码和线性调频的混合调制信号 ex9_5 瑞利分布实现程序 ex9_6 瑞利分布＋杂波 ex9_7 相关对数正态分布杂波 ex9_8 相关weibull分布杂波 ex9_9 相干相关K分布杂波 ex9_10 线性调频信号的数字化正交解调 ex9_11 雷达脉冲压缩处理 ex9_12 二相编码信号的脉压处理 ex9_13 用FFT和FIR方法实现MTD处理(程序有错误) ex9_14 雷达的恒虚警处理（CFAR） ex9_15 比较相参积累和非相参积累 ex9_14 计算加性高斯白噪声准则下雷达探测的经典CFAR 二进制检测阈值和指定的虚警概率。 (瑞利噪声下快慢门限CFAR处理)(Ex9_1 pulse signal modulates ex9_2 carrier 10MHz, Linear Frequency Modulation signal of bandwidth 2MHz and its Spectrum Diagram ex9_14 calculation of classical CFAR under additive Gaussian white noise criterion Binary detection threshold and specified false alarm probability. (fast and slow threshold CFAR processing under Riley noise))