Analog & Digital Communication

電氣和電子工程的模擬和數字通信說明。

Analog & digital communication notes for electrical and electronics engineering.Analog & digital communication app almost cover all important topics which are indexed below chapter wise

Chapter 1. Time domain and frequency domain of signal

Time/Frequency Domain Representation of Signals

Fourier Transform and its properties

Energy density

Power Density

Parseval's Theorem

Impulse Function

Impulse response

Convolution

Impulse response of ideal low pass filte

Chapter 2. Base band signal

Baseband signals

Need of modulation

Introduction of modulations techniques

Amplitude Modulation

BANDWIDTH

Power distribution

Wave equation

Synchronous detection technique

Frequency and phase modulation equation

Chapter 3. Sampling of signal

Sampling of signal

Sampling theorem for low pass and Band pass signal

Pulse Amplitude Modulation

Pulse Code Modulation

Time Division Multiplexing

Natural and flat top

Pulse-position modulation

Quantization Process

Data rate and Baud rate

Adaptive Delta Modulation

Chapter 4. Digital modulations techniques

Digital Modulation

Amplitude-shift keying

Binary Phase Shift Keying

Differential phase shift keying

Quadrature-phase shift keying

Binary Frequency Shift Keying

Quadrature Amplitude Modulation

Modem

Chapter 5. Information theory and coding

Model of a communication system

Channel and receiver characteristics

Mutual Information

Binary symmetric channel

Binary erasure channel

Pulse Repetition

Shannon-Hartley theorem

shannon fano and huffman coding

Hamming distance

Line Encoding

Manchester encoding