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Matlab-QPSK-system-simulink
- 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,并对各模块进 行频谱分析,对于理解QPSK系统的性能并在系统上作进一步的设计,提供极大的便利。
QPSK
- 该文介绍了各种信息技术中信息的传输及通信起着支撑作用,而对于信息的传输,数字通信 已成为重要手段。该文根据当今现代通信技术的发展,对QPSK信号的调制解调问题进行了分析, 并给出了用美国ELANIX公司的动态系统设计、仿真和分析软件System View 进行系统仿真的具体 设置,分析了仿真结果,并提出了用FPGA 技术实现这种系统的详细方法。
QPSK
- 提出了一个采用(2,1,7)卷积码+QPSK的中频调制解调方案,并在Xilinx公司的100万 门FPGA芯片上实现了该系统。该系统在信噪比SNR为6dB左右时可实现速率超过1Mbit/s、误码率 小于10-5的数据传输。 -Proposed a use of (2,1,7) convolutional code+ QPSK modulation and demodulation of the IF program, and in Xilinx' s FPGA chip one
wumalv
- QPSK通信系统仿真与性能分析。仿真的是在加性高斯白噪声信道中的。-QPSK Communication System Simulation and Performance Analysis. Simulation are in the additive white Gaussian noise channels.
DesignandDSPrealizationofan0FDMreceiver
- 设计了一个OFDM接收机，并采用1fI公司的TMS320C6416芯片进行实现。在假设理想 同步的前提下，该系统进行了FFT变化、使用了Ls(最小二乘法)进行信道估计，并且采用了 QPSK算法进行解调。最后将接收机输出数据与发端数据进行比较，在不同信噪比情况下计算其 误码率，得出了比较理想的结果。-An OFDM receiver is designed in山is paper and realized on the platform of the 1MS32OC6416 chip
QPSK-DS
- QPSK-DS信号中的扩频序列提取技术，通过以上技术，实现对系统结构的优化。-QPSK-DS spread spectrum signal sequence of extraction technology, through the above technology to realize the optimization of the system architecture.
MIMO-OFDM
- 这是一个基于空时分组编码的MIMO_OFDM通信系统的仿真设计,此系统包括QPSK调制解调，IFFT调制，空时编解码，基于训 练符号的信道估计等通信模块。 -This is a space-time block coding based on the MIMO_OFDM communication system simulation design, this system consists of QPSK modulation and demodulation, IFFT modulat
B09025
- communication system is expected to increase the service, the quality improvement and also the capacity, using spread spectrum communication system is one of the method to fulfill that demand. This quality and capacity factor will depend on the numb
qpsk
- 上述程序主要描述的是用matlab来编程实现qpsk通信系统调制-Procedure described above is mainly to programming qpsk matlab modulation communication system
QPSK-OQPSK
- 基于MATLAB的数字频带通信系统的仿真 使用MATLAB中M语言完成QPSK的仿真 通过仿真得到QPSK和OQPSK信号经过带通后的波形-QPSK simulation based on the the MATLAB digital band communication system simulation using MATLAB M language QPSK and OQPSK signals after band-pass waveforms obtained by simulation
QPSK
- OnPerformanceLimitsofDFTSpreadOFDMSystems DFT Spread OFDM has been proposed recently to reduce the Peak to Average Power Ratio (PAPR) of conventional OFDM transmission. Besides PAPR reduction, an important implication of DFT Spreading is that the ind
matlab-QPSK
- 利用 matlab 编程语言和建模仿真 利用Simulink 实现了 QPSK 系统的仿真设计，通过仿真图形观察了调制解调过程中各环节的波形，并结合 QPSK 调制技术的原理，分析了系统的性能，证明了仿真模型的可行性-Use matlab modeling and simulation using Simulink simulation designed to achieve a QPSK system through simulation graphics observed wavefor
QPSK-Modulation-
- 在无线通信系统中, 调制解调技术的好坏很大程度上决定了通信的质量, QPSK 的调制技术在数字通信中占着非常重 要的地位, 这种调制方式具有优越的性能, 在无线通信系统中被广泛应用。-In a wireless communication system, modulation and demodulation techniques is good or bad largely determines the quality of communication, QPSK modulation t
QPSK-MATLAB
- 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
QPSK
- Direct sequence spread spectrum (DSSS) communication systems has been widely used in these years for its advantage of wide spectrum, low working Signal-to-Noise ratio (SNR), anti-interference, anti-multipath effect and capability of LPI and LPD.
Design-And-Simulation-Of-Qpsk-Modulator-For-Optic
- 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 b
QPSK-Monte-Carlo
- QPSK通信系统的Monte Carlo仿真，用于通信原理方面的编程和理解-Monte Carlo simulation QPSK communication system for communicating the principles of respect and understanding of programming
C.5-PMD-Tolerance-of-107-Gbs-PM-QPSK-System-at-Op
- Conference paper already published
Dhiman-4-QPSK-Waveform
- QPSK waveform regeneration using system function.
MATLAB实践—QPSK系统的误码率和星座图仿真
- MATLAB实践—QPSK系统的误码率和星座图仿真(MATLAB practice - bit error rate and constellation simulation of QPSK system)