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sparfilt
优点:1.对于信噪比高的信号滤波效果好;
% 2.对于边沿的保护强过阈值滤波,不会产生阈值滤波情况下的过于平滑与Gibbs现象。
%缺点:1.由于对边沿信号没做任何处理,所以边沿可能会有脉冲噪声保留下来;
% 2.计算相关系数中,如果计算出来的小波系数点位置偏差大,则相关系数计算受影响;
% 3.需要迭代运算,迭代的噪声能量阈值选取很重要,这里以开始段无信号处估计噪声;
% 4.需要迭代运算,所以运算量比阈值法大;
% 5.受分解层次影响,在大尺度上小波系数点位置偏差更大,相关系数计算不准确。
%需要具体调整的地方:1.分解的尺度;()
- 2008-03-28 10:26:51下载
- 积分:1
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fehrs4
Das Jahresbuch in Fehrs
- 2010-11-23 02:23:00下载
- 积分:1
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tiaopinxulie
产生用于跳频通信系统中的m序列rs序列,包括它们的自相关和互相关性能分析(Produce frequency-hopping communication system for m-sequences rs sequences, including their autocorrelation and cross correlation performance analysis)
- 2011-09-04 10:17:09下载
- 积分:1
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PlotPacketTable
plot packet table Function for wavelet processing
- 2013-05-09 02:39:17下载
- 积分:1
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ICAsuanfa
独立成分分析(Independent Component Analysis,ICA)是近年来提出的非常有效的数据分析工具,它主要用来从混合数据中提取出原始的独立信号。它作为信号分离的一种有效方法而受到广泛的关注。(Independent component analysis (Independent Component Analysis, ICA) is a very effective tool for data analysis proposed in recent years, it is mainly used to extract the original independent signals the mixed data. It is an effective method for signal separation and widespread concern.)
- 2015-03-27 00:55:41下载
- 积分:1
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RFIDtanslate
用Matlab仿真了基于EPC-C1G2标准的RFID阅读器发送模块的PIE编码及ASK调制。(Simulation using Matlab based on EPC-C1G2 standard RFID readers to send the module code and ASK modulation PIE.)
- 2010-08-31 21:21:56下载
- 积分:1
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matlabpowercalculate
电力系统潮流计算程序,可以计算至300个以上的节点的系统。(Power flow calculation program, can be calculated to more than 300 nodes.)
- 2013-04-12 20:52:16下载
- 积分:1
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OFDM
基于matlab的ofdm系统仿真性能、源代码、原理(Performance of ofdm system based on matlab simulation, the source, and principle)
- 2014-02-09 11:24:20下载
- 积分:1
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Fig563
直流-直流变换器的matlab仿真模块,实现了直流降压的功能。(Matlab simulation of the DC- DC converter module, the function of DC buck.)
- 2012-04-22 11:21:41下载
- 积分:1
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The_Effects_of_Soft_Limitation_1996
软限幅效应,量化阶数及取样间隔对直扩数字匹配滤性能的影响 郭南1996
本文以典型的AID变换量化器和改进型抖动噪声量化器为倒t研究几个数字化参数对
直接序列扩频(DS/SS)数字匹配滤渡/相关性能(系统的处理增益和误比特率)的影响,给出理论分
析及计算机模拟结果 用最优化方法研究最佳软限幅问题;指出增加量化比特数与引入抖动噪声
相比能更有救地改善系统性能,而且只要采用三比特的量化就能使系统性能接近无穷量他的效
果.文中还讨论了取洋间隔以及噪声的归一化带宽对系统性能的影响。本文的结果可为台理设计
直扩数字匹配撼披器,相关器提供必要的理论依据。(Soft limiter effect of quantization and sampling intervals on the order of DS digital matched filter performance Guo South 1996 In this paper, a typical quantization AID transform quantization noise and improved jitter inverted t examine several parameters on the digital direct sequence spread frequency (DS/SS) digital matched filter crossing/relative performance (system processing gain and bit error rate) of given theoretical analysis and computer simulation results using optimization method of optimal soft limiter problem pointed out that the increase in quantization bits Number and introduce jitter noise can be more saved than to improve system performance, and as long as the three-bit quantization of the system performance can be substantially infinite amount of his effect. The paper also discusses the fetch interval and ocean noise normalized bandwidth impact on system performance. The results of this paper designed for station management shake Phi DS digital matched device, prov)
- 2013-11-12 21:21:13下载
- 积分:1