1.It's the combination of modulator and demodulator.调制解调器是由调制器和解调器组成。 2.MODEM (modulator-demodulator)调制解调器,[台、港]调制解调器 3.cable modem线缆调制解调器,[港]电缆调制解调器 4.asynchronous modem controller异步调制解调控制器 5.Floating desk modulator (modulating anode pulse m...
Because there is already some propagation delay for CAN in our system it is important that the modulator and demodulator be reasonably fast, I would say less than 80ns for either modulation or demodulation. My understanding is that you want the carrier frequency t...
The device includes; (a) reverse direction differential coder (41) which processes the transmitting data; (b) a modulator which produces the MSK modulated signal by modulating the mixers (3,9) output with a sinusoidal generator (6) output and phase shifted signal; (c) a mid-frequency ...
BPSK,QPSK,QAM,BFSK BPSK,QPSK,QAM,BFSK 1引⾔ (2)2 误码率噪声性能⽐较分析 (2)2.1BPSK与QPSK抗噪声性能⽐较 (2)3．2FSK抗噪声性能 (3)3.316QAM抗噪声性能⽐较 (3)3 simuli在⾼斯信道下的仿真设计 (4)3.1 Simulink仿真步骤 (4)3.2 仿真结果 (6)3.3 结果分析 (9)4 matlab编程实现...
调制,此时采用的模块是BPSK Modulator Baseband,然后让信号经过AWGN 模 块,加上加性高斯噪声,接收端对接收信号进行解调,采用模块是QPSK DeModulator Baseband,最后输出解调信号和初始信号进行比较得到误码率。每 个调制方式的mdl 文件如下图所示: 1、 bpsk.mdl ...
3 simuli在高斯信道下的仿真设计 3.1 Simulink仿真步骤 先是使用随机数产生器 Random Integer Generator 产生随机序列,然后进行 bpsk 调制,此时采用的模块是 BPSK Modulator Baseband,然后让信号经过 AWGN 模块,加上加性高斯噪声,接收端对接收信号进行解调,采用模块是 QPSK DeModulator Baseband,最后输出解调信号和初始信号...