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jakeschannel

于 2020-10-30 发布文件大小:4KB

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瑞利衰落信道建模误码率、传输速率多径传输(Rayleigh fading channel modeling Bit error rate and transmission rate Multipath transmission)

文件列表：

Graycode.m, 402 , 2014-12-19
JakesChannelImproved.m, 1208 , 2016-04-19
Q_function.m, 127 , 2014-08-26
cdf_level.m, 618 , 2016-04-19
cdf_level_CQA.m, 721 , 2016-04-19
main_CQA.m, 1316 , 2016-04-19
CQA.m, 1788 , 2016-04-19

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ModbusCommunicationTest
MODBUS通信协议，用VC6.0调试通过，非常好用，做上位机用这个很好(MODBUS communication protocol with VC6.0 debugging through, very easy to do well with this PC)

2013-09-11 23:12:54下载

积分：1
vectors16
vectors 16 向量重新影射一次引导，2次引导

2009-05-08 22:04:24下载

积分：1
W5100_AN_SPI
W5100 spi connect describe

2013-01-31 10:59:40下载

积分：1
BPSK调制仿真
bpsk调制仿真，可直接用 1、数字调制方法数字调制就是把数字基带信号的频谱搬移到高频处，形成适合在信道中传输的带通信号。基本的数字调制方式有振幅键控（ASK）、频移键控（FSK）、绝对相移键控（PSK）、相对（差分）相移键控（DPSK）。在接收端可以采用想干解调或非相干解调还原数字基带信号。数字信号的传输方式分为基带传输和带通传输。然而，实际中的大多数信道（如）无线信道具有丰富的低频分量。为了使数字信号在带通信道中传输，必须用数字基带信号对载波进行调制，以使信号与信道的特性相匹配。(1, digital modulation method Digital modulation is the transfer of the spectrum of a digital baseband signal to a high frequency to form a bandpass signal suitable for transmission in the channel. The basic digital modulation methods are amplitude keying (ASK), frequency shift keying (FSK), absolute phase shift keying (PSK), and relative (differential) phase shift keying (DPSK). At the receiving end, the digital baseband signal can be restored by using dry demodulation or non-coherent demodulation. Digital signal transmission methods are divided into baseband transmission and bandpass transmission. However, most channels in practice, such as wireless channels, have rich low frequency components. In order for a digital signal to be transmitted in a band channel, the carrier must be modulated with a digital baseband signal to match the signal to the characteristics of the channel.)

2019-05-28 10:46:01下载

积分：1
chuanghanshu
这是整理的，在ASK通信中所需要的各种窗函数的部分源代码(This is the finishing, in the ASK communication needed in various parts of the source code window function)

2020-12-23 10:49:06下载

积分：1
ikvei
随机调制信号下的模拟ppm，结合PCA的尺度不变特征变换(SIFT)算法，包括主成分分析、因子分析、贝叶斯分析。( Random ppm modulated analog signal under Combined with PCA scale invariant feature transform (SIFT) algorithm, Including principal component analysis, factor analysis, Bayesian analysis.)

2017-05-11 15:38:40下载

积分：1
51单片机modbus
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

积分：1
QPSK_OFDM_simulink
采用QPSK调制方式实现OFDM，在simulink上搭建的仿真模块，可以很好的学习OFDM，验证通过。(Achieved using QPSK modulation OFDM, built on the simulink simulation module can be good learning OFDM. )

2011-09-21 14:40:30下载

积分：1
DQPSK
(1)建立DQPSK调制和解调 SIMULINK仿真模型，评估其在AWGN信道和瑞利衰落信道下的误码率性能（画出信噪比变化时的误码率曲线）； (2)基于（1）建立的SIMULINK仿真模型，分别在AWGN信道和瑞利衰落信道下发送一个实际音频文件，在接收端实时播放出来((1) the DQPSK modulation and demodulation SIMULINK simulation model is established to evaluate the bit error rate performance under the AWGN channel and the Rayleigh fading channel (the bit error rate curve when the signal to noise ratio changes). (2) based on the (1) established SIMULINK simulation model, a real audio file is sent under the AWGN channel and the Rayleigh fading channel respectively, and it is played on the receiving end in real time.)

2021-04-13 15:48:56下载

积分：1
IOT_Simulation_3_BasicModels
opnet 仿真，陈敏老师2015年新书 opnet物联网仿真(opnet Simulation)

2020-09-22 22:47:49下载

积分：1

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jakeschannel

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