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QPSK
- 高码速率QPSK解调器的设计，对于高码率的情况QPSK的设计方案-High code rate of the QPSK demodulator design, for the case of high rate design QPSK
qpsk
- OFDM for BER using qpsk
QPSK-mod--AWGN-channel-simu
- QPSK 调制、AWGN 信道下仿真程序,含有信源编码，信道编码，信道解码，信源解码等部分-QPSK modulation, AWGN channel simulation program, with source coding, channel coding, channel decoding, source decoding section
QPSK-simulation-design
- 利用MATLAB 仿真工具设计出一个QPSK仿真程序，以衡量QPSK在理想信道、高斯白噪声信道和先通过瑞利衰落信道再通过高斯信道三种方式的调制解调得到的功率谱密度、噪声曲线、星座图及误码性能,并对仿真结果进行了分析。-QPSK simulation design and Realization Based on MATLAB
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
- QPSK调制，理想与实际信噪比与误码率曲线分析。-QPSK modulation, the ideal and the actual signal to noise ratio and bit error rate curve analysis.
MATLAB-QPSK
- MATLAB仿真QPSK调制与解调，实际例程演示！-MATLAB simulation of QPSK modulation and demodulation, the actual routines demo!
qpsk-carrier-pick-out
- QPSK基带数字相干解调的载波提取_陈教芳 本文介绍了基带数字相干解调的载波恢复锁相环的结构原理，并对其进行了性能分 析.与四倍频方法比较，在相同条件下，前者比后者环路信噪比高5一1odB.实验结果表 明，恢复的载波稳定性良好。 -qpsk carrier pick out
qpsk
- 用频域谱平滑法画的qpsk信号的循环谱及其切片图-Cyclic spectrum and frequency domain spectral slices smoothing painting qpsk signal
QPSK
- simulation of QPSK over noise and rayliegh channel and compared with theoretical results
Design-and-Implem-entation-of-QPSK-
- 基于ZEDBOARD的QPSK系统设计(SHUOSHILUWNEN)-Design and Implem entation of QPSK Demodulation and Ethernet Transmission
qpsk-semilogy
- code qpsk for qpsk semilogy
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
- QPSK 调制全称 Quadrature Phase Shift Keying，意为正交相移键控，是 一种数字调制方式。它的频带利用率高，且抗干扰性能强，已经成为现代通信 技术中一种十分重要的调制解调方-QPSK’s full name is Quadrature Phaseshift Keying which is a kind of digital modulation types. It has been widely used in wireless communicatio
qpsk-mod-and-demod
- QPSK modulation and again 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.
QPSK
- An all-optical regeneration scheme for DQPSK and QPSK signals using phase-sensitive amplifiers (PSAs) is studied and its effectiveness is investigated through numerical simulations. By leveraging the ability of PSAs to provide phase and amplitude r
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