信号操作

加扰、删截、交织、位与十进制之间的转换以及延迟管理

对信号和数据块执行各种位运算和延迟管理。

函数

`bit2int`	Convert bits to integers (自 R2021b 起)
`int2bit`	Convert integers to bits (自 R2021b 起)
`hex2poly`	Convert hexadecimal character vector to binary coefficients
`oct2poly`	Convert octal number to binary coefficients
`alignsignals`	Align two signals by delaying earliest signal
`finddelay`	Estimate delay(s) between signals

`comm.Descrambler`	Descramble input signal
`comm.Scrambler`	Scramble input signal

Deinterlacer	Distribute elements of input vector alternately between two output vectors
Derepeat	Reduce sampling rate by averaging consecutive samples
Descrambler	Descramble input signal
Find Delay	Find delay between two signals
Interlacer	Alternately select elements from two input vectors to generate output vector
Puncture	Output elements that correspond to 1s in binary puncture vector
Scrambler	Scramble input signal
Bit to Integer Converter	Map vector of bits to corresponding vector of integers
Integer to Bit Converter	Map vector of integers to vector of bits

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.

Upsample Signal in Single-Rate Frame-Based Processing Mode
Upsample signal in the single-rate processing mode.
Upsample Signal in Multirate Frame-Based Processing Mode
Upsample signal in multirate frame-based processing mode.
Sample and Hold a Signal
Shows the effect of different trigger events on output of the Sample and Hold block.
Repeat Signal in Single-Rate Frame-Based Processing Mode
Repeat the signal in single-rate processing mode.
Repeat Signal in Multirate Frame-Based Processing Mode
Repeat the signal in multirate frame-based processing mode.

Matrices, Vectors, and Scalars
Simulink supports matrix signals, one-dimensional arrays, sample-based processing, and frame-based processing.
Floating-Point and Fixed-Point Data Types
The inputs and outputs of the communications blocks support various data types.

Delays in Communication Systems
Delays such as propagation delay and processing delay in communication systems.
Causes of Processing Delay
Sources and types of functions and operation causing processing delay.
Manipulate Delays
Purpose, methods, and implications of manipulating delays in communication systems.

可变大小信号基础知识 (Simulink)
创建一个大小和值在仿真期间可能会发生变化的可变大小信号。
Variable-Size Signal Support with System Objects
List of System objects that support variable-sized signals in Communications Toolbox™.