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3下载:
信道模型为带多普勒频移的瑞利衰落信道,关于线性插值的MATLAB仿真程序,并解调。,Channel model with Doppler frequency shift for the Rayleigh fading channel, on the linear interpolation of the MATLAB simulation procedures, and demodulator.
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(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Simulink工具编写代码(S-Function方式),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。
,(1) in certain wireless channel, the Doppler f
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多普勒频偏的应用方法的相关程序,对相关研究的人有着很大的作用-The application of Doppler shift of the relevant procedures, the people of the related research has a significant role in
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有多普勒频移的海底混响单元散射模型(matlab)-the seafloor reverberation unit scattering model with Doppler frequency shift
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无多普勒频移的海底混响单元散射模型卷积法-matlab-the seafloor reverberation unit scattering model convolution method without Doppler frequency shift
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有多普勒频移的海底混响点散射模型(matlab编程)- the seafloor reverberation point scattering model with Doppler frequency shift
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无多普勒频移的海底混响单元散射模型(matlab)- the seafloor reverberation unit scattering model without Doppler frequency shift
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This file contains a matlab file for blind carrier estimation which compute the phase and frequency offset of carrier due to Doppler shift.
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Doppler Frequency Shift (single path)
multipath signals emit from the source at different angles and
arrive at the observer at different angles. Thus, Doppler shifts of different arrivals are
usually different from one another.-multipath signal
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用MATLAB在产生的观测数据中捕获其中PRN 号码为“5”C/A 码。
(1) 观测数据应该有一定的多普勒频偏D f(-10kHz〈D f〈+10kHz);
(2) 加入高斯白噪声,使其信噪比为-20dB;
(3) 捕获成功后,应给出捕获标志,并给出估计的频偏和码偏值。-Generated by MATLAB in which observed data capture PRN number is " 5" C/A code. (1) there should b
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一个直扩同步的模块,用于伪码的捕获和多普勒频移的提取-A synchronous DS module for pseudo-code capture and extraction of Doppler frequency shift
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基于Matlab的移动通信中多径衰落信道的仿真\基于多径传输和多普勒频移的 瑞利(Rayleigh)信道的仿真 主要考虑不同条件下的仿真-Matlab-based mobile communications in the multipath fading channel simulation \ based multi-path transmission and Doppler frequency shift of the Rayleigh (Rayleigh) channel simulati
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基于多径传输和多普勒频移的瑞利信道的仿真,matlab环境下的仿真
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基于多径传输和多普勒频移的.doc
-Based on the multi-path transmission and Doppler frequency shift of the Rayleigh (Rayleigh) channel simulation
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本文主要利用matlab编程工具对直接序列扩频通信的捕获过程进行仿真。仿真主要基于滑动相关法的有关理论,先讨论扩频仿真中起着重要作用的m序列的生成问题,尔后讨论调制信号的产生,然后在信号的捕获中分步讨论,先对捕获的流程进行简单的仿真,再依次加入噪声和多普勒频移后进行捕获仿真-In this paper, using matlab programming tools for direct sequence spread spectrum communication capture process
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完整的无线通信系统,针对高速移动场景下的多普勒频移,采用同步模块减少频移的干扰(The complete wireless communication system uses the synchronization module to reduce the interference of the frequency shift in view of the Doppler frequency shift in the high-speed mobile scene)
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对圆锥运动引起的微多普勒频移进行matlab仿真(Matlab simulation of the micro Doppler frequency shift caused by conical motion)
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以下几个matlab程序对雷达常用的线性调频信号(lfm信号)进行脉冲压缩时的关键问题进行了仿真,其中包括旁瓣抑制影响(加窗与不加窗)、多卜勒频移影响,并对时域脉压与频域脉压结果进行了对比分析,供相关技术人员参考。(The following several matlab programs simulate the key issues when pulse compression is performed on radar commonly used chirp signal (lfm sig
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