网站首页

登录

200622112110396

于 2006-06-02 发布文件大小:157KB

 0  186

下载积分: 1 下载次数: 106

我要下载

代码说明：

Abstract：Thearticleismainlydevotedtothetheoryaswellastheachievementonthemodulationanddemodulationofπ/ 4-DQPSKsysteminthesoftwareSystemView.Besides，thearticleanalysesthedynamicandstatic behaviorsoftheπ/4-DQPSKsystemaswellastheperformanceagainstnoiseundertheconditionofGaussnoise channel.Thecomparisonismadeonthespectrumandanti-noiseperformancebetweenπ/4-DQPSKandQPSK underthethesamechannel.Theresultofsimulationshowsthatthespectrumexpandingofπ/4-DQPSKissuperiortothatoftheQPSKsystem. Keywords：π/4-DQPSK；SystemView；computeraideddesign（CAD）；Matlab(Abstract: Thearticleismainlydevotedtothetheoryaswellastheachievementonthemodulationanddemodulationof pi/4-DQPSKsysteminthesoftwareSystemView.Besides, thearticleanalysesthedynamicandstatic behaviorsofthe pi /4-DQPSKsystemaswellastheperformanceagainstnoiseundertheconditionofGaussnoise channel.Thecomparisonismadeonthespectrumandanti-noiseperformancebetween pi /4-DQPSKandQPSK underthethesamechannel.Theresultofsimulationshowsthatthespectrumexpandingof pi /4-DQPSKissuperiortothatoftheQPSKsystem. Keywords: Pi /4-DQPSK; SystemView; Computeraideddesign (CAD); Matlab)

下载说明：请别用迅雷下载，失败请重下，重下不扣分！

发表评论

0 个回复

code-3
this code is to learn more about the mattlab

2013-05-01 16:08:51下载

积分：1
chengxu
通过FIR滤波器的自适应调整，不断修正其系统函数，使其与未知系统的参数充分逼近，从而使误差最小，达到系统辨识的目的。 (Through the adaptive FIR filter, constantly modify the system function, with unknown system parameters to the full approach, so that error, and achieve the purpose of system identification.)

2010-08-07 12:27:50下载

积分：1
matlab
chuong trinh matlab thu nghiem

2010-12-29 16:52:10下载

积分：1
intra-prediction-compression
intra prediction image compression using nine mode prediction.

2015-04-06 08:34:29下载

积分：1
EP
说明： an evolutionary programming for solving unit commitment problems

2013-08-18 00:26:55下载

积分：1
linefit
非常好用和实用的直线拟合MATLAB小程序。(Very easy to use and practical linear fitting MATLAB applet.)

2013-12-16 09:29:42下载

积分：1
findminmax_number
在HHT变换后，可用于计算平均周期，即用整个序列的长度分别除以极大值点个数和极小值点个之后求平均(average period prediction)

2020-11-15 15:29:42下载

积分：1
cspline
通用三次样条插值函数，可求解离散点的三次样条插值(General cubic spline interpolation function, can solve the discrete points of the cubic spline interpolation)

2020-09-18 12:07:58下载

积分：1
Desktop
天气雷达数据处理，该函数可以读取nc格式的雷达数据(Weather radar data processing, this function can be read nc radar data format)

2014-12-29 20:05:50下载

积分：1
znhyzung
考虑雨衰阴影和多径影响，基于互功率谱的时延估计，三相光伏逆变并网的仿真，重要参数的提取，车牌识别定位程序的部分功能，分析了该信号的时域、频域、倒谱，循环谱等,快速扩展随机生成树算法。( Consider shadow rain attenuation and multipath effects Based on the time delay estimation of power spectrum, Three-phase photovoltaic inverter and network simulation, Extract important parameters, Part of the license plate recognition locator feature, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Rapid expansion of random spanning tree algorithm.)

2016-04-14 12:58:22下载

积分：1

696518资源总数
106148会员总数
10今日下载