Description: 对衰落以及AGWN信道进行仿真，采用的编码方式是QPSK，并且得出了在这些条件下的性能曲线。-to decline and given channel simulation, the encoding is QPSK, and obtained under these conditions the performance curve. Platform: |
Size: 110035 |
Author:何邦甑 |
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Description: 对衰落以及AGWN信道进行仿真，采用的编码方式是QPSK，并且得出了在这些条件下的性能曲线。-to decline and given channel simulation, the encoding is QPSK, and obtained under these conditions the performance curve. Platform: |
Size: 109568 |
Author:何邦甑 |
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Description: 这是在AWGN信道下四相键控调制，以及其性能分析。-This is the AWGN Channel 4 phase shift keying modulation, as well as its performance analysis. Platform: |
Size: 50176 |
Author:wangping |
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Description: qpsk的simulink仿真 可看ber性能等参数-The simulink simulation of QPSK can see the performance parameters such as ber Platform: |
Size: 29696 |
Author:yanzheng |
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Description: 这是一个仿真qpsk信号通过不同信道模型（包括单径，多径，莱斯，瑞利平坦等信道）的性能的matlab程序。-This is a simulation qpsk signals through different channel model (including single-track, multi-track, Condoleezza Rice, Rayleigh and other flat Channel) Performance of Matlab procedures. Platform: |
Size: 1024 |
Author:zm |
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Description: 该程序源代码实现了OFDM通信系统性能的仿真，调制方式有BPSK,QPSK,MSK,QAM,信道为AWGN和Rayleigh信道，并对有插入导频的符合IEEE802.11a的OFDM系统进行了仿真。-The program source code to achieve the performance of OFDM communication system simulation, modulation has BPSK, QPSK, MSK, QAM, for the AWGN channel and Rayleigh channel, and have inserted the line with the IEEE802.11a pilot of OFDM system simulation. Platform: |
Size: 176128 |
Author:郭顺利 |
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Description: 4QAM下FMT系统误码率性能分析，包含原型滤波器、多相滤波器等代码。——analysis of BER performance of FMT system with 4QAM,including ProtoFilter and polyphase filter-FMT system under 4QAM BER performance analysis, including the prototype filters, polyphase filters, such as code.- Analysis of BER performance of FMT system with 4QAM, including ProtoFilter and polyphase filter Platform: |
Size: 3072 |
Author:姚爱全 |
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Description: 多径信道仿真
有三条固定路径的AWGN多径信道的QPSK系统进行BER性能方针，并与在理想的AWGN信道中同样系统的BER进行比较，为简化模型，作如下假设：
1，信道中有三条路径，包括一条没有衰落的LOS路径和两条具有瑞利衰落的路径。与各路径相应的接收功率以及路径间的延迟差是仿真的参数
2，信道的锐利衰落仅影响发送信号的幅度，不影响瞬时相位。
3，在符号间隔内各多径分量的衰减幅度是常数，并与相邻间隔无关。-Multipath channel simulation There are three fixed path multipath AWGN channel BER performance of QPSK systems approach, and in an ideal AWGN channel BER the same system for comparison, in order to simplify the model, make the following assumptions: 1, There are three channels path, including a no decline LOS path and the two have a Rayleigh fading path. Corresponding with the path to receive power as well as the path delay difference between the simulation parameters of 2, channel sharp decline affects only the magnitude of the transmitted signal, does not affect the instantaneous phase. 3, in the symbol intervals multipath component of the decay rate is constant, and has nothing to do with the next interval. Platform: |
Size: 5120 |
Author:TT |
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Description: 要求对有3条固定路径的AWGN多径信道中的QPSK系统进行BER性能仿真，并与在理想的AWGN信道中同样系统的BER性能进行比较。熟悉瑞利平坦衰落、莱斯平坦衰落与频率选择性衰落的特点，比较这些衰落信道的误码率。-Required to have three fixed-path AWGN multipath channels of QPSK system BER performance simulation, and in an ideal AWGN channel with the same system BER performance comparison. Familiar with the Rayleigh flat fading, Rice flat fading and frequency selective fading characteristics, compare the bit error rate fading channel. Platform: |
Size: 1024 |
Author:沈岗 |
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Description: Performance of QPSK and DQPSK in AWGN and Rayleigh Fading Channel. A detailed Report of the work done in the source code is also attached as another file Platform: |
Size: 7168 |
Author:Aju |
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Description: QPSK误码率分析对QPSK编译码很重要，这里给出了它的误码率分析方法和相应的仿真代码-Performance of QPSK is very well.In this article,we can analyze the performance of QPSK.and give the code. Platform: |
Size: 7168 |
Author:十里荷阳 |
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Description: 介绍了数字通信中的QPSK调制解调的原理，通过用Matlab编写脚本程序对QPSK通信系统的发射和接收过程的具体实现进行模拟仿真，绘出信号在理想信道和加噪信道中模拟传输时的时域图，并对各模块进行了频谱分析，所得到的结果与
理论基本相符，对于理解QPSK系统的性能并在系统的实际应用上作进一步的设计，提供了有效的参考依据。
-The introduction was done with the principle of the QPSK modulation and demodulation in digital communications，a script was written by using Matlab program to CalTy out a simulation of the QPSK communication
system．which contains the concrete realization of transmit and receive process．The time-domain diagram is drew
separately when the signal transmits in the ideal channel and in the channel with noise，spectral analysis of each
module is also done，the results obtained with theoretical results in the main，which provides an effective frame of
reference for understanding the performance of QPSK systems，and the practical application in the system to make
further designed． Platform: |
Size: 365568 |
Author:王华 |
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Description: We have proposed a digitally implemented QPSK system for Free-Space Optics (FSO) systems for future satellite missions. We have used a Laser source of 1550nm wavelength and data rate of 2.5Gbps.The system consists of a modulating and a demodulating block and an advantage of filters added to improve the performance and optimize errors like noise. The best suited modulator for FSO is Mach-Zehnder modulator which is tuned for high performance. The LiNB03 demodulator demodulates the signal which in turn passed to a filter to attenuate the demodulated output and then through an amplifier to increase the signal strength. Digital approach for implementation of QPSK Modulation is attempted here and compared with existing systems. Simulation and characterization is done to freeze design parameters. The system mainly concentrates on parameter like performance, security, minimum size and cost saving which will be the future of satellite communications. Platform: |
Size: 447488 |
Author:muhand |
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Description: 基于 MATLAB 对移动通信中的 BPSK、QPSK、16QAM 和 OFDM 基带传输系统进行仿真，分析它们在 AWGN 和 Rayleigh 信道下的误码率性能。重点建立了基于 QPSK 和 16QAM 调制方式下 OFDM 系统的仿真，比较两种调制方式在 Rayleigh 信道下的传输性能，分析了系统模型，提出了代码优化方案。(Based on MATLAB, we simulate the BPSK, QPSK, 16QAM and OFDM baseband transmission systems in mobile communications, and analyze their BER performance under AWGN and Rayleigh channels. The simulation of OFDM system based on QPSK and 16QAM modulation is mainly established. The transmission performance of two modulation modes under Rayleigh channel is compared, the system model is analyzed, and the code optimization scheme is put forward.) Platform: |
Size: 5120 |
Author:yellow17 |
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Description: 分析ADC的有效位数（ENOB）对QPSK误码率性能的影响，也就是分析量化噪声对QPSK性能的影响(The effect of ENOB of ADC on the BER performance of QPSK is analyzed. That is to say, the influence of quantization noise on the performance of QPSK is analyzed.) Platform: |
Size: 1024 |
Author:thinking09 |
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Search - performance of qpsk