搜索资源列表
DUOJIN2
- 本人收集的资料2,有多径信道、多普勒频移,瑞利、RICE(莱斯)信道等仿真,QPSK调制和解调等,交织编码。程序经过本人测试,绝对可用,并附上本人测试说明和仿真图像结果-I collected information on 2, how-path channel, Doppler frequency shift, Rayleigh, RICE (Rice) channel, such as simulation, QPSK modulation and demodulation, etc.,
channel_model
- 信道建模,包括多径信道,考虑了多普勒频移以及瑞利信道!-Channel modeling, including multi-path channel, taking into account the Doppler shift and the Rayleigh channel!
multipathRayleighchannel
- 正弦合成法实现的瑞利多径信道MATLAB源码,是信道建模的基础 -Sine synthesis method to achieve multi-path Rayleigh channel MATLAB source code is the basis of channel modeling
Jakes-model-Rayleigh
- 用于产生瑞利衰落信道,是可以产生多径瑞利衰落信道的程序-Used to generate Rayleigh fading channels, can produce multi-path Rayleigh fading channel program
rayleigh
- qpsk仿真下面是该例子的源程序,P0、P1、P2分别是LOS路径和两条延迟瑞利分量的相对功率级。当p0=0且delay!=0时为瑞利频率选择性衰落,delay==0时为瑞利平坦衰落。-Here is the example qpsk simulation source, P0, P1, P2 are the LOS path Rayleigh component and two delayed relative power level. When p0 = 0 and the delay! =
rayl
- 基于MATLAB的瑞利分布仿真,对5条路径的瑞利信道进行了仿真-Rayleigh distribution based on MATLAB simulation, five-path Rayleigh channel simulation
ex5
- OFDM系统,比较单径瑞利衰落信道和2径衰落信道下的误比特率性能。-OFDM system, comparing single path Rayleigh fading channel and fading channel bit error rate performance.
Rayleigh-channel-model
- 多径瑞利信道模型,可以实现选择性衰落信道-Multi-path Rayleigh channel model, you can achieve selective fading channel
linteradoppler
- MATLAB中,卷积码、QPSK通过单径瑞利衰落信道的仿真,分析不同的多普勒和不同的交织块长对性能的影响。-MATLAB, the convolutional code, QPSK through a single path Rayleigh fading channel simulation, analysis of different Doppler interleaving block length and different impact on performance.
BPSK
- 单径瑞利信道中的BPSK相干解调的理论误码率性能,并设计一种时分的导引辅助的信道估计方法-Single path Rayleigh channel BPSK coherent demodulation theory of error rate performance guide and a time estimation method aided channel, using Simulink simulation, measurement BPSK BER performance
tjchx1
- 数字调制MASK、MFSK、MPSK、MQAM、OFDM调制,加性高斯白噪声信道、多径瑞利衰落信道建模仿真 -Digital modulation MASK, MFSK, MPSK, MQAM, OFDM modulation, additive white Gaussian noise channel, multi-path Rayleigh fading channel modeling and simulation
Rayleigh-Multipath-Doppler
- Rayleigh Doppler Multipath, single path, filter model simulators.-A Rayleigh fading simulator based on Clarke s Model Creates a Rayleigh random process with PSD determined by the vehicle s speed.
ofdm802.11a
- 简化的OFDM系统仿真,其中暂未考虑扰码和卷积码,物理层参数采用802.11a参数,1个长训练符号与6个OFDM数据符号构成1帧,信道为单径rayleigh衰落信道,其中最大多普勒频移为100Hz,信噪比0-30dB,调制方式为QPSK和16-QAM。-Simplified OFDM system simulation, which yet consider scrambling and convolution codes, physical layer parameters using 802
Rayleigh
- 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。-Simulink tools to write code (S-Function mode) to generate a single path Rayleigh channel, the Doppler spectrum For the classical spectrum, where the rate of movement of 120km/h.
Multipath
- 基于matlab的多径信道仿真源程序,可以进行多径瑞利衰落信道仿真-Based on matlab multipath channel simulation source code, you can be multi-path Rayleigh fading channel simulation
fingqun_v19
- 鲁棒性好,性能优越,单径或多径瑞利衰落信道仿真,实现串口的数据采集。- Robustness, superior performance, Single path or multipath Rayleigh fading channel simulation, Achieve serial data acquisition.
haiten
- 使用拉亚普诺夫指数的公式,单径或多径瑞利衰落信道仿真,利用自然梯度算法。- Raya Punuo Fu index using the formula, Single path or multipath Rayleigh fading channel simulation, Use of natural gradient algorithm.
jakes_single_rayleigh
- 本函数采用Jakes方法产生单径的符合瑞利衰落的复随机过程(注意,这只是一个函数块,不能直接运行)-This function uses Jakes method of producing a single path Rayleigh fading complex stochastic process (note that this is a function block, you can not run directly)
OFDMSignalDetection-master
- 程序实现的主要功能: OFDM调制识别:研究了基于高阶累量和基于小波变换的OFDM信号和单载波调制信号的识别算法,仿真分析了两种算法在高斯信道和多径瑞利衰落信道下的信号识别性能。 OFDM参数估计:研究了基于Welch算法和AR模型法求解功率谱进而估计信号带宽的算法,对两种算法的估计性能进行了比较;根据OFDM信号的循环平稳性研究了基于循环谱的载频估计算法;根据 OFDM信号的自相关性研究了基于可变延时自相关和固定延时自相关的FFT相结合的算法,估计了OFDM信号的有效数据长度、符号
3
- (1)请推导单径瑞利信道中的BPSK相干解调的理论误码率(BER)性能,并画出比特信噪比(Eb/N0)与误码率的关系曲线。 (2)在单径瑞利信道中,请设计一种时分的导引辅助的信道估计方法,用Simulink(或m语言)进行仿真,测量BPSK的误码率性能,画出比特信噪比与误码率的关系曲线,并与理论误码率曲线进行对比。((1) Please derive the theoretical bit error rate (BER) performance of BPSK coherent demodul