基本释义:

偏移量四象制相移键控

网络释义

1)OQPSK Offset Quadraphase Phase Shift Keying,偏移量四象制相移键控

2)quarternary phase shift keying (QPSK),四进制相移键控

3)offset QPSK,偏置四相相移键控

4)OQPSK Offset Quadrature Phase Shift Keying,偏移量正交相移键控

5)QPSK,四相移键控

6)shaped offset quadrature phase-shift keying(SOQPSK),成形偏移四相键控

用法和例句

The construction method and recent progresses of incoherent two-dimensional FBG E/D, amplitude modulation superstructure fiber Bragg grating (SSFBG) E/D, coherent binary phase shift keying (BPSK) SSFBG E/D, reconfigurable quarternary phase shift keying (QPSK) SSFBG E/D are discussed.

分别给出了非相干光二维FBG编/解码器、振幅调制超结构光纤布喇格光栅(SSFBG)编/解码器、相干光二进制相移键控(BPSK)SSFBG编/解码器、可重构四进制相移键控(QPSK)SSFBG编/解码器的构造方法和最新研究进展,并分析了几种编/解码器的优缺点。

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

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

quarter phase-shift-keying modulator

二相移相键控调制器

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

frequency differential phase shift keying demodulator

频率差分移相键控解调器

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

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

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

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