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DWT_OFDM

于 2020-10-10 发布文件大小:4KB

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Performance Evaluation of DWT

文件列表：

dapskmod.m, 3529 , 2016-02-23
dctandcp.m, 353 , 2016-02-23
dfourierandcp.m, 357 , 2016-02-23
dwavelet.m, 271 , 2016-02-23
flatfadingch.m, 167 , 2016-02-23
itransform.m, 1064 , 2016-02-23
main file.m, 9329 , 2016-02-23
multipathch.m, 242 , 2016-02-23
PAPR.m, 325 , 2016-02-23
dapskdemod.m, 1955 , 2016-02-23

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风干扰下弹道解算程序Trajectory-Program
本程序为风干扰下弹道解算程序，包括matlab程序和simulink程序，非常实用(The procedures for the wind interference under ballistic solver, including the the matlab procedure and simulink program, very useful)

2020-07-08 09:48:56下载

积分：1
62592376
数字通信中的DBPSK调制解调的原理和过程, 通过用Matlab 对这一过程的编程,分析信号在理想信道和加噪信道中传输时的(The principle and process of DBPSK modulation and demodulation in digital communication are analyzed. By programming this process with Matlab, the transmission of signal in ideal channel and noised channel is analyzed.)

2018-08-04 21:51:22下载

积分：1
PELCO-pd
说明： ()

2007-03-28 10:47:16下载

积分：1
gmsk-demodulation
采用GSM系统的GMSK调制方式，并画出出时频域图，计算BER，有利于了解GSM系统的调制解调。(Frequency domain using the GSM system GMSK modulation and draw the diagram, calculate the BER beneficial for GSM modem.)

2020-12-19 11:29:10下载

积分：1
agy
A source code of international Chin chess, have the referenc

2017-04-10 21:49:22下载

积分：1
TCM_8PSK
程序实现TCM-8PSK的调制解调，跑出误码率曲线(This program can realise the modulation and demodulation of TCM-8PSK)

2021-04-19 23:58:51下载

积分：1
wireless-communication
无线通信经典教材（杨鸿文译），（美）哥德史密斯（Goldsmith,A.）著。（图灵电子与电气工程丛书）(Classic textbook of wireless communication (Yang Hongwen translation), (U.S.) Goldsmith (Goldsmith, A.). (Turing Electronic and Electrical Engineering Series))

2012-05-18 11:55:47下载

积分：1
Doppler-spectrum-of-radio-channel
1. 关于无线信道的多普勒谱，请回答以下问题： (1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请清楚的描述产生混叠的各种原因； (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理； (3) 请用S-function产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请回答：证明自己用计算机产生的经典谱是正确的可能方法。 (Doppler spectrum of radio channel 1, please answer the following questions (1) In some wireless channel, radio channel Doppler shift will cause the output signal aliasing. Please clearly describe aliasing for various reasons )

2021-01-24 17:38:43下载

积分：1
程序
当今世界电子对抗日益激烈，对于雷达低截获和抗干扰能力的研究越来越受到关注。OFDM (Orthorgonal Frequency Division Multiplexing，正交频分复用)雷达具有大时宽带宽积、波形设计方法灵活、频谱利用率较高以及低截获性能好的特性，因此逐渐成为雷达领域的重点研究方向。除此之外，OFDM信号时域和频域波形都比较复杂，当雷达信号采用OFDM技术时，敌方很难精确估计发射信号波形和瞬时频率，使得截获机不容易分析出检测到的雷达信号。当面对敌方的欺骗式干扰时，对于同样具有大时宽带宽积的线性调频信号，OFDM信号具有更好的抗欺骗式干扰的性能，因此OFDM技术在雷达上的运用愈来愈得到关注。(As electronic warfare becomes increasingly fierce, low intercept probability radar has become an important research filed in electronic countermeasures. OFDM (Orthorgonal Frequency Division Multiplexing) radars have gradually emerged due to their high spectrum efficiency, large time-bandwidth product, flexible waveform design methods, and low intercept probability.In addition, because of the complex time-frequency characteristics of the transmitted signal in OFDM radar, the enemy is difficult to estimate the transmitted signal waveform and instantaneous frequency.When faced with enemy deception interference, OFDM signals have better anti-spoofing performance for LFM signals that also have a large time-bandwidth bandwidth product. Therefore, the use of OFDM technology in radar is attracting more and more attention. .)

2020-11-19 21:49:39下载

积分：1
Interpolation-in-Digital-Modems
Farrow 滤波器设计经典文章，作者是：FM.Gardner，farrow滤波器设计的始祖，经典值得推荐！（两篇文章）(Farrow filter design classic article, the author is: FM.Gardner, farrow filter design ancestor, classic worth recommending! (Two articles))

2013-11-15 17:57:22下载

积分：1

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DWT_OFDM

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