cjz

Generating bunch of rays parellel to the given axial ray

说明：  多元微分方程参数识别，对网友的问题进行编程，并求出了准确结果，使用最小二乘lsqcurvefit函数 (multiple variable differentical equtation parameter estimation using matlab lsqcurvefit function,the reslut is good)((multiple variable differentical equtation parameter estimation using matlab lsqcurvefit function,the reslut is good))

光通信中非归零型差分相位调制信号建模与仿真分析(Optical Communication Central African zero differential phase modulated signal-based modeling and simulation analysis)

说明：  miusic 方法实现线性均匀阵列的doa估计方法，帮助学习阵列信号的相关知识(miusic method to achieve uniform linear array of doa estimation method to help study and knowledge of the array signal)

本程序对rake接收机的仿真程序 在matlab simulink下实现，其信道模型采用802.15.3a信道，信源部分的采用UWB信号，最后通过计算snr与errorbitrate来说明rake接收机性能(this program right rake receiver in the simulation program under Matlab Simulink. its channel model used 802 .15.3 a letter, the source of the signal using UWB, Finally, with errorbitrate snr calculated to illustrate rake receiver performance)

this is the file to develop for

A Guide to MATLAB for Beginners and Experienced Users - Hunt Lipsman & Rosenberg

提出了采用小波包的方法对供暖双吸式离心水泵轴承振动信号进行去噪和提取表征 相应轴承故障的频带能量 并采用 BP 神经网络进行训练和故障识别 通过 MATLAB 进行了仿真经试验验证该方法能够有效地识别出轴承故障(The wavelet package is adoptted to De-noise and extract band energy that represent bearing fault. and the BP neural network is adopting to train and recognize faults. Through MATLAB simulation, After the test validate the method, it can effectively recognize the bearing fault.)

無監督分類方法，可以對一堆數值自動的歸類(Unsupervised classification methods, can be a pile of automatic classification of numerical)

说明：  《Matlab与C++》这本书的第4章，包含matlab程序和C++程序(&quot Matlab and C++&quot Chapter 4 of this book, including the matlab program and C++ program)