【通信工具箱】— 函数名称和内容列表

1、help comm（打开通信工具箱中的函数名称和内容列表） 

help comm
  Communications System Toolbox
  Version 6.2 (R2016a) 10-Feb-2016 
 
  Table of Contents (TOC)
  -----------------------
    Channels                       - BSC, AWGN, Rayleigh, Rician, MIMO, Doppler spectra
    Converters                     - Data format conversion (e.g. integers to bits, binary to Gray)
    Equalizers                     - LMS, RLS, linear, DFE, CMA, MLSE
    Error Detection and Correction - Block, convolutional, CRC codes
    Filters                        - Integrator, pulse shaping
    Galois Field Computations      - GF math, filtering, transforms, cosets
    Interleavers                   - Block, convolutional, algebraic, matrix, helical
    MIMO                           - Space-time block codes, Sphere Decoder, MIMO channel
    Modulation                     - AM, FM, PM, SSB, FSK, PSK, QAM, TCM, CPM, OFDM
    Performance Evaluation         - BER, ACPR, CCDF, EVM, MER, eye diagram, scatter plot
    RF Impairments                 - Nonlinearities, phase noise, thermal noise
    RF Impairments Correction      - AGC, frequency offset compensation, DC blocking, I/Q imbalance compensation
    Sequence Operations            - Scrambling, delay calculations, shift register calculations
    Sources                        - Random data, PN, orthogonal codes, random noise
    Source Coding                  - Differential, arithmetic, Huffman, DPCM, quantization
    Synchronization                - Carrier and symbol synchronization, VCO
    Waveform Generation            - Generation of standard-compliant cdma2000 and 1xEV-DO waveforms
    GPU Implementations            - Turbo Decoder, LDPC Decoder, Viterbi Decoder
    Examples                       - Index of Communications System Toolbox examples
    Simulink functionality         - Open Communications System Toolbox block library

2、以Source Coding（信源编码模块为例）

Differential, arithmetic, Huffman, DPCM, quantization
  -----------------------------------------------------
 
    arithdeco                - Decode binary code using arithmetic decoding
    arithenco                - Encode a sequence of symbols using arithmetic coding
    comm.DifferentialDecoder - Decode binary signal using differential decoding
    comm.DifferentialEncoder - Encode binary signal using differential coding
    compand                  - Source code mu-law or A-law compressor or expander
    dpcmdeco                 - Decode using differential pulse code modulation
    dpcmenco                 - Encode using differential pulse code modulation
    dpcmopt                  - Optimize differential pulse code modulation parameters
    huffmandeco              - Huffman decoder
    huffmandict              - Generate Huffman code dictionary for a source with known probability model
    huffmanenco              - Huffman encoder
    lloyds                   - Optimize quantization parameters using the Lloyd algorithm
    quantiz                  - Produce a quantization index and a quantized output value

 例如：quantiz（生成量化序列和量化值），其它同理。