信号属性和索引

检查和修改数据和信号属性以及选择数据子集

使用 DSP System Toolbox™ 中的信号属性和转换模块检查和修改信号属性，如采样时间、复/实性、维度和数据类型。您也可以使用各种选择器模块选择数据子集和解构信号，并使用 Flip 和 Overwrite Values 模块修改这些数据。

模块

Check Signal Attributes	Error when input signal does or does not match selected attributes exactly
Inherit Complexity	Change complexity of input to match reference signal
Data Type Conversion	将输入信号转换为指定的数据类型
Reshape	更改信号的维度

Flip	Flip input vertically or horizontally
Multiport Selector	Distribute arbitrary subsets of input rows or columns to multiple output ports
Overwrite Values	Overwrite submatrix or subdiagonal of input
Selector	从向量、矩阵或多维信号中选择输入元素
Variable Selector	Select subset of rows or columns from input

Sample- and Frame-Based Concepts
Explore basic signal concepts in the context of a Simulink^® model. Learn more about sample-based processing and frame-based processing.
Deconstruct Multichannel Signals for Sample-Based Processing
Learn how to extract single-channel and multichannel signals from multichannel signals.
Deconstruct Multichannel Signals for Frame-Based Processing
Learn how to extract single-channel and multichannel signals from multichannel signals and how to reorder channels.
Select Rows or Columns from Matrices
This model shows how to remove rows or columns from a matrix using the variable selector block.
Delay and Latency
Configure the Simulink environment to minimize delay and increase simulation performance.