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2020年9月19日

CCS - Digital Transmission via Carrier Modulation - Demodulation and Detection of QAM (Quadrature Amplitude Modulation)

摘要： Demodulation and Detection of QAM (Quadrature Amplitude Modulation) Matlab Coding For the M = 8 QAM signal constellation shown in Figure 7.21(b) that 阅读全文

posted @ 2020-09-19 15:46 zzYzz 阅读(197) 评论(0) 推荐(0) 编辑

CCS - Digital Transmission via Carrier Modulation - Quadrature Amplitude Modulation

摘要： Quadrature Amplitude Modulation Reference, 1. <<Contemporary Communication System using MATLAB>> - John G. Proakis 阅读全文

posted @ 2020-09-19 15:16 zzYzz 阅读(151) 评论(0) 推荐(0) 编辑

CCS - Digital Transmission via Carrier Modulation - The Optimum Detector and Probability of Error of Binary PSK

摘要： The Optimum Detector and Probability of Error of Binary PSK Matlab Coding, Note, The detector maks a decision which is based on selecting the signal p 阅读全文

posted @ 2020-09-19 14:19 zzYzz 阅读(169) 评论(0) 推荐(0) 编辑

2020年9月18日

CCS - Digital Transmission via Carrier Modulation - Phase Demodulation and Detection

摘要： Phase Demodulation and Detection Matlab Coding 1 % MATLAB script 2 3 M = 4; 4 Es = 1; % Energy per symbol 5 T = 1; 6 Ts = 100/T; 7 fc = 30/T; 8 t = 0: 阅读全文

posted @ 2020-09-18 22:42 zzYzz 阅读(203) 评论(0) 推荐(0) 编辑

2020年9月17日

CCS - Digital Transmission via Carrier Modulation - Carrier-Phase Modulation

摘要： Carrier-Phase Modulation We observe that binary phase modulation is identical to binary PAM (binary antipodal signals). Matlab Coding 1 % MATLAB scrip 阅读全文

posted @ 2020-09-17 22:56 zzYzz 阅读(158) 评论(0) 推荐(0) 编辑

2020年9月14日

CCS - Digital Transmission via Carrier Modulation - Demodulation of PAM Signals

摘要： Demodulation of PAM Signals Matlab Coding 1 % MATLAB script 2 echo on 3 T=1; 4 delta_T=T/200; % sampling interval 5 alpha=0.5; % rolloff factor 6 fc=4 阅读全文

posted @ 2020-09-14 23:15 zzYzz 阅读(217) 评论(0) 推荐(0) 编辑

2020年9月13日

CCS - Digital Transmission via Carrier Modulation - Carrier-Amplitude Modulation

摘要： Carrier-Amplitude Modulation There are four types of carrier-modulated signals are suitablefor bandpass channels: amplitude-modulated signals, quadrat 阅读全文

posted @ 2020-09-13 23:19 zzYzz 阅读(179) 评论(0) 推荐(0) 编辑

2020年9月10日

CCS - Baseband Digital Transmission - Signal Constellation Diagrams for Binary Signals - Multidimensional Orthogonal Signals

摘要： Multidimensional Signals In the preceding section we constructed multiamplitude signal waveforms, which allowedus to transmit multiple bits per signal 阅读全文

posted @ 2020-09-10 23:21 zzYzz 阅读(362) 评论(0) 推荐(0) 编辑

2020年9月9日

CCS - Baseband Digital Transmission - Signal Constellation Diagrams for Binary Signals -Signal Waveforms with Multiple Amplitude Levels (M = 2, 4, 8, 16)

摘要： Signal Waveforms with Multiple Amplitude Levels Matlab Coding, 1 % MATLAB script for the probability of a symbol error for M = 2, 4, 8, 16 2 echo on 3 阅读全文

posted @ 2020-09-09 22:43 zzYzz 阅读(209) 评论(0) 推荐(0) 编辑

2020年9月8日

CCS - Baseband Digital Transmission - Signal Constellation Diagrams for Binary Signals - Multiamplitude Signal Transmission (PAM ： Pulse Amplitude Modulated)

摘要： Multiamplitude Signal Transmission In the preceding section, we treated the transmission of digital information by use ofbinary signal waveforms. Thus 阅读全文

posted @ 2020-09-08 21:49 zzYzz 阅读(346) 评论(0) 推荐(0) 编辑

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