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digital-communication

于 2013-11-27 发布 文件大小:804KB
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  基于matlab的调制解调程序,适用于通信理论的初学者(Based on matlab modulation and demodulation process, communication theory for beginners)

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  • fangxiangtu1
    一维线阵的方向图,可以很方便在程序中更改参数(One-dimensional linear array pattern,you can easily change the parameters in the program)
    2010-10-14 22:26:26下载
    积分:1
  • heu592893792
    本程序对超高斯和亚高斯性信源的多路信号进行混合,然后用MDL、AIC、特征值分解、GIC、IAIC几种算法对上述混合信号个数进行估计。(The procedure for multiple signals super-Gaussian and sub-Gaussian sources are mixed, then MDL, AIC, eigenvalue decomposition, GIC, IAIC several algorithms for estimating the mixed signal number.)
    2015-03-12 11:54:38下载
    积分:1
  • LMS
    说明:  最小均方濾波器是一類可通過最小化誤差訊號之均方值而修正濾波器係數,以類比所需理想濾波器的自適應濾波器,其中作為修正依據的誤差訊號為理想參考訊號與實際輸出訊號之差。該種濾波器所用之最小均方法只以當前之訊號誤差值為準進行修正,是一種隨機梯度下降法。最小均方法係由斯坦福大學的Bernard Widrow教授及他的首位博士班學生Marcian Hoff於1960年提出。最小均方濾波器屬於常見的自適應濾波器種類之一。(The minimum mean square filter is an adaptive filter that can correct the filter coefficients by minimizing the mean square value of the error signal to analogize the desired ideal filter. The error signal used as the correction reference is the ideal reference signal and the actual output. The difference between the signals. The minimum averaging method used in this kind of filter is only corrected based on the current signal error value, which is a stochastic gradient descent method. The minimum mean method was proposed in 1960 by Professor Bernard Widrow of Stanford University and his first PhD student, Marcian Hoff. The least mean square filter is one of the common types of adaptive filters.)
    2019-02-21 22:43:06下载
    积分:1
  • LFM_radar_simulation
    文件中包含word文档报告 设雷达采用匹配滤波完成脉冲压缩,采集频率fs=420MHz,仿真雷达回波,并绘出家Hamming窗前后的脉压波形。(提示:通过正确设定采集波门,减少数据量) 设雷达采用Dechirp方式完成脉冲压缩,其中参考距离位于(0,0),采集频率为10MHz,距离采样点数512点,仿真雷达回波,并绘出加Hamming窗前后的脉压波形(提示:通过正确设定采集波门,减少数据量)。(Word document file contains the report of the completion of matched filter-based radar uses pulse compression, gathering frequency fs = 420MHz, simulation of radar echo, and draw the house after the pulse pressure waveform Hamming window. (Hint: By setting the correct collection wave door, reducing the amount of data), based radar uses pulse compression Dechirp manner, in which reference distance at (0,0), collection frequency of 10MHz, from the sampling points 512 points, simulation, radar echo, and draw the increase of pulse pressure waveform after the Hamming window (hint: set up collection waves through the correct door, reducing the amount of data).)
    2009-11-12 20:10:23下载
    积分:1
  • Fm_modulation_and_demodulation
    调频信号调制解调fm_modulation_and_demodulatin(FM signal modulation and demodulation fm_modulation_and_demodulatin)
    2008-12-13 13:13:04下载
    积分:1
  • Quasi_MonteCarlo_Integral
    利用蒙特卡罗法计算积分,感觉很有用,大家试试!(Using Monte Carlo method to calculate points, feel useful, we try!)
    2009-12-22 11:47:14下载
    积分:1
  • PCG
    预处理的共轭梯度算法和最速下降法MATLAB算法及源程序.(Preconditioning conjugate gradient algorithm and the steepest descent method MATLAB algorithms and source code.)
    2014-11-05 17:01:24下载
    积分:1
  • ofdm-saraqam
    OFDM发射和接收收机,包括QAM、信道估计和S&C同步算法。(OFDM receiver and transmitter,include QAM modulation ,channel estimation and S&C synchronization algorithm。)
    2011-12-07 20:15:32下载
    积分:1
  • CMA
    盲均衡中的常模算法用于抽样判决后的多径效应均衡,显著降低误码率(Multipath equalization Blind equalization algorithm norm for post-judgment sampling, significantly reduce the error rate)
    2015-10-26 19:17:27下载
    积分:1
  • VCS
    code FFT for matlab I do project about voice classification system. But, I can t continuous coding. If you understan my project, you will contect to me. Thank.
    2009-06-17 01:12:53下载
    积分:1
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