Sampling 抽样
Aliasing 混叠
Quantisation 量化 measure discrete amplitude in bits.
Real systems have limited resource in terms of the number of available bits for
representing discrete signals.
Sampling-Frequency Domain 采样频率
Analogue-to-Digital and Digital-to-Analogue Conversion ADC DAC
*** anti-alias lter (AAF)**
*** Reconstruction Filter (RCF)**
Analogue Modulation 模拟调制 want to transmit an analogue signal s(t) over a radio link;
Amplitude Modulation 调幅
Quadrature Amplitude Modulation 正交幅度调制
Channel noise 信道噪声
Mapping to Constellation Pattern
标签：Network,Modulation,IoT,PHY,Digital,Analogue,bits From： https://www.cnblogs.com/charlie-hhht/p/17063370.html