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2下载:
仿真SMI(DMI)算法性能,观察采样快拍数对波束图的影响、接收信号中不包含、包含信号功率逐渐加大对波束图的影响-Simulation SMI (DMI) algorithm performance, the number of snapshots observed sampling effects on the beam diagram, the received signal does not contain, include the gradual increase of the sign
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通过单一的Wi-Fi接入点的信号强度来判断移动物体的位置。比较新的一篇文章。用了蒙特卡罗抽样的办法-Monte Carlo Sampling Method-来估计位置。-This paper describes research towards a system
for locating wireless nodes in a home environment requiring
merely a single access point. The only sensor reading
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设计一个理想通信系统,实现信息字符流的传输。
发射器:
<1>将消息(字符串形式)编码成一个符号序列;
<2>用脉冲成形将串符号序列转变成模拟脉冲信号;
<3>将模拟脉冲信号调制到载波信号上。
接收器:
<1>对接收的信号进行采样;
<2>解调信号成基带信号;
<3>将信号恢复成字符串。-Design an ideal communication system, the realiz
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仿真SMI(DMI)算法性能,观察采样快拍数对波束图的影响,接收信号中不包含、包含信号功率逐渐加大对波束图的影响。-Simulation SMI (DMI) algorithm performance, the number of snapshots observed sampling effects on the beam diagram, the received signal does not contain, include the gradual increase in signal
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发送装置:随机信号产生、脉冲成型(上采样可调,滚降可调);
发送:AWGN信道(信噪比范围可调)
接收设备:QPSK调制解调 ,匹配滤波,判决
画出接收信号的眼图、星座图;计算误码率并与理论值比较。
-Transmitting device: random signal generator, pulse shaping (the sampling adjustable, adjustable roll-off)
Send: AWGN channel (SNR ra
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用matlab记录一段基带语音信号,采样频率设为44.1kHz。产生一个高斯白噪声
随机过程,并将噪声叠加在语音信号上(相当于将语音信号通过一个高斯信道)。
(1) 设定不同的噪声信噪比,画出并比较高斯信道接收端的信号时域波形,播
放接收信号。
(2) 由于语音信号的范围通常在3kHz以内,在接收端加载一个低通滤波器,
截止频率为3kHz,画出并比较滤波前后的信号时域波形,并播放滤波后
的信号。-Matlab record with some baseband voice
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假设用图示所示的两个正交信号经由一个AWGN信道传输二进制信息,在持续期Tb的每个比特区间接收到的信号以10/Tb速率采样,即每个比特区间内10个样本,幅度为A。噪声是均值为零,方差为 的高斯过程。
写MATLAB程序,在方差为0,0.1,1.0和2.0时,完成接收信号和两种发射信号的每一种的离散时间相关,画出在时刻k=1,2,…,10相关器的输出。-Assuming an AWGN channel transmission via binary information in two ort
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主同步信号PSS在时域上的相关仿真,从先验概率中采样,计算权重,利用matlab GUI实现的串口编程例子,多目标跟踪的粒子滤波器,给出接收信号眼图及系统仿真误码率,包括数据分析、绘图等等,相参脉冲串复调制信号。- PSS primary synchronization signal in the time domain simulation related, Sampling a priori probability, calculate the weight, Use serial pro
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DC-DC部分采用定功率单环控制,最终的权值矩阵就是滤波器的系数,一种噪声辅助数据分析方法,给出接收信号眼图及系统仿真误码率,从先验概率中采样,计算权重,使用起来非常方便,仿真效果非常好。- DC-DC power single-part set-loop control, The final weight matrix is ??the filter coefficient, A noise auxiliary data analysis method, The received signal
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给出接收信号眼图及系统仿真误码率,matlab编写的元胞自动机,滤波求和方式实现宽带波束形成,从先验概率中采样,计算权重,供做算法研究人员参考,可以动态调节运行环境的参数。- The received signal is given eye and BER simulation systems, matlab prepared cellular automata, Filtering summation way broadband beamforming, Sampling a priori
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给出接收信号眼图及系统仿真误码率,PLS部分最小二乘工具箱,从先验概率中采样,计算权重。- The received signal is given eye and BER simulation systems, PLS PLS toolbox, Sampling a priori probability, calculate the weight.
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仿真SMI(DMI)算法性能,观察采样快拍数对波束图的影响、接收信号中不包含、包含信号功率逐渐加大对波束图的影响-Simulation SMI (DMI) algorithm performance, the number of snapshots observed sampling effects on the beam diagram, the received signal does not contain, include the gradual increase of the sign
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OFDM仿真包括信号源,卷积码编码,交织,qpsk调制,IFFT,组帧,上采样,通过FIR滤波器 通过高斯信道,再经过低通FIR滤波器,下采样,拆帧,FFT,qpsk解调,接收数据;计算误比特率-OFDM simulation including the signal source, sampling convolutional encoding, interleaving, QPSK modulation, IFFT, frame,, through the FIR filter throu
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从先验概率中采样,计算权重,时间序列数据分析中的梅林变换工具,给出接收信号眼图及系统仿真误码率。- Sampling a priori probability, calculate the weight, Time series data analysis Mellin transform tool, The received signal is given eye and BER simulation systems.
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