搜索资源列表
OFDM
- OFDM信号的产生与发送,其中使用QPSK进行信号的编码-OFDM signal generation and transmission
QPSKrayleighchannelm
- 在matlab平台下产生信号序列通过QPSK方式调制通过高斯信道以及瑞利信道,对其中的过程的信号时域以及其频谱,星座图情况进行分析-Matlab platform in the signal sequence generated by the QPSK modulated by the Gaussian channel and Rayleigh channel, which processes the signal for time-domain and its spectrum, conste
QPSK_oQPSK
- 本程序,包含QPSK,OQPSK的产生过程,I、Q领路信号抽取,他们的频谱,包络情况,经过带通滤波器后的变化,经过非线性放大器后的频谱变化等。是一个很好的学习例程!-This procedure, including QPSK, OQPSK production process, I, Q signal extraction lead the way, their spectrum envelope case, after band-pass filter after the change, t
8psk
- (1) 分析QPSK调制、解调原理,并画出其系统框图; (2) 产生等概率且相互独立的二进制序列,作为待传输的信号,并画出其波形; (3) 进行8PSK调制,分别画出I、Q两支路信号经过乘法器后的波形以及8PSK调制波形; (4) 产生均值为0,方差为1的加性高斯随机噪声,画出其时域波形及频谱; (5) 将加性高斯随机噪声作为传输信道的干扰,画出接收端信号的时域图; (6) 进行8PSK解调,输出解码序列,画出解调后信号波形; (7) 计算系统信噪比、传输误码率。-(1)
Viterbi
- 详细的卷积编码与维特比译码算法。产生随机信号,对信号进行卷积编码,然后经过数值转换、格雷编码,QPSK调制,进入加噪信道,之后进行QPSK解调,格雷解码, 数制转换、 维特比译码得到接收端的信号。-Detailed convolutional coding and Viterbi decoding algorithm. Random signal, the signal convolution coding, and then through numeric conversion, Gray c
radar-signal
- 包括相位编码(含二相BPSK和四相QPSK)、线性调频LFM、非线性调频NLFM、脉冲幅度调制(PAM)信号、带噪FSK频率编码信号等的信号源码,是很好的产生各种雷达信号的程序资源。-Including the phase encoding (including two-phase four-phase BPSK and QPSK), LFM LFM, non-linear FM NLFM, pulse amplitude modulation (PAM) signal with noise s
QPSKsource
- 用于产生QPSK调制信号的程序。有噪声,并经成型滤波器滤波,很实用-For QPSK modulation signal generator. Noise, and by shaping filter filter, it is practical
repeat8psk
- 在信噪比从0到30dB的范围内产生8PSK,bpsk,qpsk,16qam,64qam信号,通过AWGN信道,并计算信号的高阶累积量和二阶矩,可以用于盲检测-Produce SNR range 0 to 30dB of 8PSK, bpsk, qpsk, 16qam, 64qam signal through AWGN channel, and calculates the signal higher order cumulants and the second moment, can be
yangben600
- 可以产生不同调制方式的信号,包括bpsk,qpsk,fsk,msk,16qam,64qam.可以产生不同的样本。-Can generate a signal of different modulation methods, including bpsk, qpsk, fsk, msk, 16qam, 64qam. Can produce different samples.
modulationrec
- 可以利用malab产生不同的调制信号,包括bpsk,qpsk,fsk,msk,16qam,64qam.-Malab can generate different modulated signals, comprising bpsk, qpsk, fsk, msk, 16qam, 64qam.
mpsk
- 多相制信号常用的产生方法有:直接调相法及相位选择法。在M进制数字相位调制中,四进制绝对移相键控(4PSK,又称QPSK)用的最为广泛,下面以 四进制绝对移相键控(4PSK,又称QPSK)为例-Multi phase signal methods commonly used are: direct modulation method and phase selection method. In M band digital phase modulation, the four absolute p
QPSK_generator
- 模拟实际工作环境,使用Matlab产生四相位键控调制信号QPSK-QPSK modulation
OFDMSIGNAL
- 任意产生应用QPSK调制的OFDM信号,用于仿真研究(Any OFDM signals are generated for simulation study.)
程序
- 在光纤通讯仿真中,产生QPSK,16QAM,64QAM信号,并添加激光相位噪声和自发辐射噪声(In optical fiber communication simulation, QPSK, 16QAM, 64QAM signals are generated, and laser phase noise and spontaneous radiation noise are added.)