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4
说明： ：载波频率偏移是OFDM系统实现的关键问题之一。分析了OFDM 系统载频偏移估计的2
种算法，即利用循环前缀和训练序列方法。它们均为最大似然估计方法。分别讨论了它们的基本
思想、实现方法和仿真结果。可以看出基于循环前缀算法复杂度较小，精度不高，而基于训练序列
的算法有较高的估计精度，但降纸了系统传输效率。(Abstract：Carrier frequency ofset is one of the key problems in OFDM system．Two foundational methods
。cycling prefix—based and training sequence—based algorithms。to estimate OFDM carriers~equency
ofset are analyzed．Then it discusses their basic thoughts。implementing methods and simulation resuits．
Finally。merits and demerits of every algorithm are supposed．It concludes that the cycling prefix—
based algorithm has less complexity and less precision。and that the training sequence—based algorithm
has better estimation performance at the cost of transmission efficiency．)
- 2010-05-18 18:34:44下载
- 积分：1
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CS_DepthMap
提供了用MATLAB进行数字图像处理、压缩感知、多种信号重建算法、多种熵编码的MATLAB代码。(The MATLAB codes for digital image processing, compression sensing, multiple signal reconstruction algorithms and multiple entropy coding are provided.)
- 2018-10-18 20:19:10下载
- 积分：1
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stm32f407
can、RS422通信，定时发送串口所接收数据(RS422, can communication, the timing of the serial port to send data received)
- 2021-03-29 14:19:11下载
- 积分：1
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CMPP3.0
中国移动通信互联短信网关接口协议CMPP3(CMPP3)
- 2010-02-03 14:24:17下载
- 积分：1
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N(0,1)
默认产生（0，1）的高斯随机数，参数可调(Gauss random number (0,1) is generated by default with adjustable parameters.)
- 2019-01-08 17:40:07下载
- 积分：1
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text
说明： 通过MATLAB实现基于zc706和ad9361的数据收发例程(Realization of data sending and receiving routine based on zc706 and ad9361 by MATLAB)
- 2020-01-06 22:08:06下载
- 积分：1
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58856668
易语言http断点续传源码 ,很不错的易语言源码,适合易语言爱好者学习,()
- 2018-05-02 21:58:32下载
- 积分：1
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QAM
说明： 对数字信号进行相位幅度调制，并在接收端成功解调(QAM of Digital Signal and Successful Demodulation at Receiver)
- 2019-04-22 19:51:29下载
- 积分：1
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led run
说明： stm32f407 跑马灯实验 原子个例程 学习模块(stm32f407 led run stm32f407 stm32f407 stm32f407)
- 2019-04-25 11:10:51下载
- 积分：1
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WVD
<应用WVD估计AM_FM信号的瞬时频率>,该文研究了应用WVD谱峰检测估计AM-FM信号的瞬时频率的方法及其性能。(< Application WVD estimate AM_FM signal instantaneous frequency> This paper studies the application of WVD peak AM-FM signal detection estimates the instantaneous frequency method and its performance.)
- 2011-08-10 20:57:58下载
- 积分：1
