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tyldfxdyMATLAB
现在的雷达都是在多脉冲观测的基础上进行检
测的,多个脉冲积累后可以有效地提高信噪比,从
而改善雷达的检测能力。积累处理可以在包络检波
前完成,称为检波前积累或者中频积累。信号在中
频积累时要求信号间有严格的相位关系,也就是说
信号是相参的,所以也称为相参积累。此外,积累
过程可以在包络检波后完成,称为检波后积累或者
视频积累。由于信号在包络检波后失去了相位信息
而只保留了幅度信息,所以检波后积累处理就不需
要信号间有严格的相位关系,因此这种积累又称为
非相参积累。实现非相参积累的方法有很多,例如
抽头延迟线积累(FIR 积累)器和反馈积累器。
()
- 2007-07-25 12:43:50下载
- 积分:1
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xinyi
说明: ·Matlab加扰解扰仿真系统,可以观察加解扰前后信号的时域和频域波形,有助于理解扰码的概念和解扰的过程(scrambling and de-scrambling Matlab simulation system Encryption can be observed around the signals in time domain and frequency domain waveforms scrambler help understand the concept of the process and Descramble)
- 2006-05-14 16:42:57下载
- 积分:1
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zhang
盲源信号分离使用到的可设和具体的很多东西,自己下下来看(Blind Source Separation use to set up and a lot of things under their own point of view)
- 2012-06-18 20:14:17下载
- 积分:1
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power_pmmotor3
永磁同步发电机的控制simulik仿真图,与电网相连(Control simulik simulation diagram of permanent magnet synchronous generator connected to the grid)
- 2020-12-14 16:59:14下载
- 积分:1
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通过MATLAB矩阵实验室,学习基于小波变换的电能质量扰动分析
说明: 通过MATLAB矩阵实验室,学习基于小波变换的电能质量扰动分析。(Analysis of Power Quality Disturbance Based on Wavelet Transform by MATLAB Matrix Lab.)
- 2017-03-04 16:31:42下载
- 积分:1
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maxentropypso
helps to find the maximum entropy value to be optimised using PSO. Produces good results than ostu method
- 2012-03-23 16:47:51下载
- 积分:1
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HandShankCollection
用于对无人直升机进行操作杆控制的地面仿真程序,可实现对无人直升机的飞行方向、油门等的控制。(For unmanned helicopters operating lever to control ground simulation program can be realized on the direction of flight of unmanned helicopter, throttle and other controls.)
- 2014-10-23 16:18:33下载
- 积分:1
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computing-reflecting-series
设计地震子波和反射系数序列,合成单道地震记录,再利用对数分解法求取子波,反褶积得反射系数序列(Design seismic wavelet and reflection coefficient sequence, the synthesis of single-channel seismic recording, re-use logarithmic decomposition strike wavelet deconvolution reflection coefficient sequence)
- 2012-12-03 21:32:15下载
- 积分:1
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ex4_5
基于matlab的椭圆型低通滤波器设计程序(Based on matlab elliptic low-pass filter design)
- 2009-03-17 13:13:49下载
- 积分:1
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matlab1
说明: 二维离散小波变换和重构(对高通和低通系数分别卷积。。。)(Discrete wavelet transform and reconstruction (high-pass and low pass convolution coefficients...))
- 2010-04-29 17:33:07下载
- 积分:1