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于 2015-06-15 发布文件大小:1773KB

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下载积分: 1 下载次数: 0

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代码说明：

说明： QPSK BPSK调制解调+USRP,观察（输入、输出、眼图）(modulation and demodulation of QPSK and BPSK+ USRP)

文件列表：

zz
..\subVI
..\.....\add_freq_offset 2.vi,15303,2014-05-16
..\.....\add_freq_offset.vi,15303,2014-05-16
..\.....\control_type_defs.llb,89160,2015-02-06
..\.....\digital_comm.llb,1505891,2015-05-19
..\.....\receiver.vi,51344,2015-05-15
..\.....\recover message.vi,16327,2013-08-09
..\.....\simulator.vi,58829,2013-09-11
..\.....\student_align_MaxEnergy.vi,29975,2015-02-02
..\.....\student_align_moose.vi,25553,2014-04-29
..\.....\student_align_SCA.vi,36434,2014-04-29
..\.....\transmitter.vi,42563,2013-08-08
..\.....\wcl_RF1.0.llb,244088,2015-05-19
..\.....\文本.vi,10596,2013-08-09
..\top_rxgai.vi,125421,2015-05-19
..\top_txgai.vi,365249,2015-05-19

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yidong-
本文根据移动通信衰落信道的工作机理, 基于加性高斯白噪声信道( AWGNChannel) 、落信道( RayleighFading Channel) 、莱斯衰落 icianFadingChannel) 的仿真模型, 并利用M 行了衰落信道的误比特率性能的仿真分析。(Based the working mechanism of the mobile communications fading channel, Based on the additive white Gaussian noise channel (AWGNChannel), The down channel (RayleighFading Channel), Rice fading icianFadingChannel) simulation model, and the use of M Line simulation analysis of the the fading channel bit error rate performance.)

2013-05-03 09:26:58下载

积分：1
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盲源分离在通信侦查中的应用，适用于通信侦查的盲源分离解决方案。很不错的文章(Application of blind source separation in the Investigation of the communication, for communication investigation blind source separation solutions. Very good article)

2013-04-17 09:17:04下载

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stanag5066.pdf.tar
STANAG 5066 unclassified

2011-06-09 21:25:22下载

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802.3af/at标准,POE 供电协议(standard of 802.3af/at)

2011-05-28 10:26:46下载

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OFDM降低峰平比采用预失真技术，程序仿真了加入预失真技术后的星座图与未加预失真的比较。结果比较明显。采用QAM映射。(OFDM PAPR reducing the use of pre-distortion technology, process simulation technology to join the pre-distortion of the constellation diagram and the following not pre-distortion comparison. More obvious results.)

2009-04-20 21:45:23下载

积分：1
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这个程序除了接收机同步、信道编码没有加入外，基本上反映了一个OFDM系统的特性： 1. qpsk/16qam/64qam映射、解映射 2. OFDM调制解调（循环前缀，FFT等） 3. 非整数采样时刻多径时延的多径信道 4. Rayleigh或者Rician多径信道 5. 信道的连续时变（非block fading） 6. 线性插值信道估计 7. FFT变换域插值信道估计(In addition to this program receiver synchronization, channel coding have not joined, the basically reflect the characteristics of an OFDM system: 1. Qpsk/16qam/64qam mapping, mapping solution 2. OFDM modulation and demodulation (cyclic prefix, FFT, etc.) 3. Non- integer sampling instant multi-path delay of multi-path channel 4. Rayleigh or Rician multipath channel 5. a continuous time-varying channel (non-block fading) 6. linear interpolation channel estimation 7. FFT transform domain interpolation channel estimation)

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51单片机MODBUS主机通信程序，平台KEIL4。使用MODBUS SLAVE测试成功。(51 MCU MODBUS host communication program, platform KEIL4. The MODBUS SLAVE test was successful.)

2021-04-22 22:58:49下载

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1.56822!lec2
Capacity of Fading Gaussian Channels

2011-06-21 23:05:35下载

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OFDM_PTS_huadongchuang
引入滑动窗的PTS改进算法。出CCDF图，与未经过处理的原始曲线经行比较(The introduction of the PTS to improve the sliding window algorithm. A CCDF diagram, and has not been dealt with by the original line curve comparison)

2008-05-17 11:37:27下载

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