absolute phase shift keying (APSK)是什么意思

网络释义

用法例句

The Correction of Frequency Offset in the Demodulation of QPSK;

四相绝对相移键控解调中的频差校正

The paper also describes the methods of analog signal coding of amplitude shift keying,frequency shift keying, phase shift keying etc.

介绍了计算机数据传输中的基带传输和频带传输 ;分别论述了基带传输的非归零编码—曼彻斯特编码、差分曼彻斯特编码的数字数据编码基本方法 ;频带传输的振幅键控 ,移频键控 ,移相键控等模拟信号编码方法 ;以移频键控方式的调制解调器 ,说明了调制解调器的工作原

In this paper, a noninvertible digital image watermarking algorithm is proposed based on phase shift keying (PSK).

根据相移键控原理,提出了一种不可逆DWT域二相相位键控数字图像水印算法。

Two methods of tap number selection of Phase Shift Keying(PSK) modulation signal equalizer were proposed,including the maximum residual Inter Symbol Interference(ISI) criterion and signal decision error probability criterion.

介绍所采用的无线传输信道模型和均衡器的结构与抽头系数计算原理,提出了相移键控信号接收端均衡器抽头数量的2种选取方法:最大残余符号间干扰和信号判决差错率算法。

Exact and approximation expressions for the average capacity of orthogonal space-frequency block cod-ed(OSFBC)-orthogonal frequency-division multiplexing(OFDM) systems with M-ary phase shift keying or M-ary quadrature-amplitude modulation and channel estimation error in Rayleigh fading channels are derived re-spectively.

推导有信道估计误差的瑞利衰落信道上采用M进制相移键控、M进制正交幅度调制的正交空频分组码-正交频分多路复用系统的平均容量的精确和近似表达式。

quarter phase-shift-keying modulator

二相移相键控调制器

frequency differential phase shift keying demodulator

频率差分移相键控解调器

Research on Trellis-Coded Chaotic Shift Keying Communications;

基于网格编码的混沌移相键控通信研究

phase comparison sinusoidal frequency shift keying

相位比较正弦移频键控

frequency shift keying

键控频移频移键控频移键位

Feature Extraction of MPSK Signal;

相移键控信号（MPSK）特征提取研究

Research on Carriere Stimation and Recovery of MPSK;

相移键控信号（MPSK）载波估计及恢复研究

Design of PSK-based Low Speed Digital Communication System;

基于相移键控方式的低速数字通信系统的设计

Frequency-domain equalization for continuous phase frequency shift keying

连续相位频移键控信号的频域均衡算法

Modeling and designing based on FPGA for digital QPSK modulator and demodulator

基于FPGA的四相移键控调制解调器的建模与设计

minimum shift keying

最小转换键控最小频移键控

FSK tone detector

移频键控音频检波器

Analysis on transmission characteristics of differential phase shift keying signal of continuous pressure wave in drilling fluid channel

钻井液连续压力波差分相移键控信号的传输特性分析

Performance Research on 40 Gb/s DPSK Format Against Polarization-mode Dispersion

40Gb/s差分相移键控格式抗偏振模色散的性能研究

Performance of Optical Wireless Communication System Basing on the Sub-Carrier PSK Intensity Modulation and LDPC Code

基于副载波相移键控强度调制和低密度奇偶校验码的光无线通信系统性能

multiple frequency shift keying telegraph terminal

多频移频键控电报终端机

BCFSK (Binary Code Frequency Shift Keying)

二进制编码频率移位键控法

The Frequency-Shift Keying Signal Demodulation Research on LabVIEW

基于LabVIEW平台的键控移频信号解调研究