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laserMatlab
用基于 Matlab 的小容量 FFT (比如 256×256)程序,将取样窗口划分为
若干个全等的小矩形,对每个小矩形内离散点的复振幅作 FFT 变换,然后将所有变
换结果叠加,再乘以复数相位因子,相当于对整个物面上点进行菲涅耳衍射计算,
利用这种方法可以迅速的实现高精度的轴对称傍轴光学系统中的激光衍射计算 (With a small volume based on Matlab FFT (eg 256 × 256) procedure to sample window divided into a number of small identical rectangles, each small rectangle of discrete points within the complex amplitude for the FFT transform, and then transform the results of all the superposition multiplied by the complex phase factor, the equivalent point on the object plane Fresnel diffraction calculation, the use of this method can rapidly achieve high-precision optical system axis of symmetry in the paraxial calculation of laser diffraction)
- 2011-01-08 00:22:41下载
- 积分:1
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simulation--of-PEMFC
说明: 质子交换膜燃料电池系统的建模与仿真,采用Matlab中simulink进行模块搭建(Simulation of PEMFC)
- 2020-12-21 15:49:10下载
- 积分:1
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cdfplot.m
plot the cumulative distribution function of a sequence given in input as a vector.
- 2011-05-30 07:51:36下载
- 积分:1
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461329252dfig
this is model of wind turbine, and doubly fed induction generator, connected to distribution grid
- 2015-01-23 22:03:53下载
- 积分:1
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address_sin
正弦值查找表是用matlab代码写的,根据量化地址来查找实际地址的正弦值(Sine value lookup table is written in matlab code, according to quantify the address to find the actual address of the sine value)
- 2008-12-30 17:13:31下载
- 积分:1
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shenjingwangluo
介绍了我们常用的预测方法神经网络算法的理论知识(Common prediction methods of theoretical knowledge of the neural network algorithm)
- 2013-02-22 20:46:55下载
- 积分:1
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bezier_demo
用贝塞尔画曲线的demo,能够控制参数,调节曲线的形式(a demo using bezier)
- 2009-12-30 10:56:00下载
- 积分:1
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2177e8d3adb15fabed33322ffd32afc8394a
an investigation on use of chaotic sequence in DS-CDMA. The DS-CDMA systems offer
physical layer security without the need for a significant increase in computation or power requirements. Nowadays, DSCDMA
has been used widely. These systems suffers from multiple access interference because of other users transmitting
in the cell, channel inter symbol interference and additive white Gaussian noise. Codes have an effective role in DSCDMA
system, so M-sequences; gold sequences have been used as spreading codes in DS-CDMA. These sequences by
shift registers and periodic in nature are developed. However, these sequences are not enough and also limit the security.
This paper presents an investigation on use of new type of sequences called chaotic sequences for DS-CDMA system.
These sequences by chaotic maps are generated.
- 2019-03-13 22:41:27下载
- 积分:1
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matlabwavelet
说明: matlab 小波去噪的程序 系转载 欢迎大家批评指正(matlab&wavelet)
- 2010-03-26 12:23:48下载
- 积分:1
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lms
Adaptive filtering algorithm based on LMS (B-LMS), to fast track the process of change in channel between transmitter & receiver
- 2013-08-06 15:48:34下载
- 积分:1