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MODULATION DIGITAL AND ANALOG
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本文利用核心芯片TDA5051A,采用ASK(幅度键控)调制技术,建立电力线通信系统,实现数字信号在电力线上进行传输。
关键词:电力线通信 TDA5051A 调制解调器
-In this paper, the core chip TDA5051A, using ASK (amplitude shift keying) modulation technology, the establishment of power line communication systems, digital
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设计一个2FSK数字调制系统,要求:
(1)设计出规定的数字通信系统的结构;
(2)根据通信原理,设计出各个模块的参数(例如码速率,滤波器的截止
频率等);
(3)用Matlab或SystemView 实现该数字通信系统;
(4)观察仿真并进行波形分析;
(5)系统的性能评价。
-Design a digital modulation system 2FSK require: (1) design a digital communication system
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数字调制就是把数字基带信号的频谱搬移到高频处,形成适合在信道中传输的带通信号。基本的数字调制方式有振幅键控(ASK)、频移键控(FSK)、绝对相移键控(PSK)、相对(差分)相移键控(DPSK)。在接收端可以采用想干解调或非相干解调还原数字基带信号。
-Digital modulation is the spectrum shifting to high frequency digital baseband signals, suitable for the formation of ban
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Faster-Than-Nyquist Signaling:快于奈奎斯特采样的一种新颖的通信方法,是IEEE的邀请论文,看后让人兴奋,打开了研究的新思路和新方法-Faster-Than-Nyquist Signaling
In a bandwidth scarce world, high-rate digital radio is moving beyond the
older ideas of large-alphabet modulation, independent data pu
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frequency division multiplexing (OFDM) is used extensively in broadband wired and wireless communication systems because it is an effective solution to intersymbol interference (ISI) caused by a dispersive channel. This becomes increasingly important
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脉冲宽度调制是利用微处理器的数字输出来对模拟电路进行控制的一种非常有效的技术,广泛应用在从测量、通信到功率控制与变换的许-Pulse width modulation is a very effective technique to control the analog circuit by the digital output of the microprocessor. It is widely used in the measurement, communication and power
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