信源和信宿

输入和输出信号及序列，以及文件 IO 格式

生成信号源数据和噪声以仿真通信链路。可视化和分析您的通信系统仿真的性能。

为了处理捕获的信号，Communications Toolbox™ 支持二进制基带信号和 NI™ 技术数据管理解决方案 (TDMS) 格式文件。您可以通过单独读取 TDMS 文件或同时读取 TDMS 文件的集合将数据读取到表或时间表中。

App

Create, impair, visualize, and export modulated waveforms

`randi`	Uniformly distributed random integers
`randerr`	Generate bit error patterns
`randsrc`	Generate random matrix using prescribed alphabet
`commsrc.combinedjitter`	Construct combined jitter generator object
`commsrc.pattern`	Construct pattern generator object
`zadoffChuSeq`	Generate root Zadoff-Chu sequence
`mask2shift`	Convert mask vector to shift for linear shift register
`shift2mask`	Convert shift to mask vector for linear shift register
`wgn`	Generate white Gaussian noise samples

`biterr`	Compute number of bit errors and bit error rate (BER)
`eyediagram`	Generate eye diagram
`scatterplot`	Display input signal in IQ-plane
`symerr`	Compute number of symbol errors and symbol error rate

`tdmsread`	Read data from TDMS file (自 R2022a 起)
`tdmswrite`	Write data to TDMS file (自 R2022b 起)
`tdmsinfo`	Information about TDMS file (自 R2022a 起)
`tdmsreadprop`	Read properties as single row table from TDMS file (自 R2022a 起)
`tdmswriteprop`	Write properties to TDMS file (自 R2022b 起)

`comm.BarkerCode`	Generate bipolar Barker code
`comm.GoldSequence`	Generate Gold sequence from set of sequences
`comm.HadamardCode`	Generate Hadamard code
`comm.KasamiSequence`	Generate Kasami sequence
`comm.OVSFCode`	Generate OVSF code
`comm.PNSequence`	Generate a pseudonoise (PN) sequence
`comm.RBDSWaveformGenerator`	Generate RDS/RBDS waveform
`comm.WalshCode`	Generate bipolar Walsh code

comm.ConstellationDiagram Display and analyze input signals in IQ-plane

`comm.BasebandFileReader`	Read baseband signal from file
`comm.BasebandFileWriter`	Write baseband signal to file
`tdmsDatastore`	Datastore for collection of TDMS files (自 R2022a 起)

Barker Code Generator	Generate bipolar Barker Code
Bernoulli Binary Generator	Generate Bernoulli-distributed random binary numbers
Gold Sequence Generator	Generate Gold sequence from set of sequences
Hadamard Code Generator	Generate Hadamard code from orthogonal set of codes
Kasami Sequence Generator	Generate Kasami sequence from set of Kasami sequences
OVSF Code Generator	Generate OVSF code
PN Sequence Generator	Generate pseudonoise sequence
Poisson Integer Generator	Generate Poisson-distributed random integers
Random Integer Generator	Generate integers randomly distributed in specified range
Walsh Code Generator	Generate Walsh code from orthogonal set of codes

Constellation Diagram	Display and analyze input signals in IQ-plane
Eye Diagram	Display eye diagram of time-domain signal (自 R2023b 起)

Baseband File Writer	Write baseband signals to file
Baseband File Reader	Read baseband signals from file

Signal Terminology
Learn about terms related to matrices, vectors, and scalars, as well as frame-based and sample-based processing.
Sources
Use random and nonrandom sources in communications systems.
Sinks
Use sinks and display devices to analyze communications system performance.
Spreading Sequences
Compare spreading sequences for single and multiuser scenarios in single path and multipath environments.
Create Waveforms Using Wireless Waveform Generator App
Create, impair, visualize, and export modulated waveforms.
Export Data to MATLAB
Send simulation results to the MATLAB workspace and use MATLAB to analyze the data.