Phase Shift Keying

Phase Shift Keying ( Phase-Shift-Keying PSK ) signal is a kind of common digital communication modulation signal .

相移键控（Phase-Shift-KeyingPSK）信号是一类常见的数字通信调制信号。

Digital phase shift keying ( PSK ), because of its high spectrum efficiency , BER performance , flexible , is especially suitable for high data transmission and fast fading channels .

数字相移键控（PSK）由于其具有频谱利用率高、误码性能好、技术灵活、特别适应于高数据传输与快速衰落信道等突出优势，已经成为了当前各种移动通信的主要调制方式。

Underwater Acoustic Data Transmission Based on Differential Phase Shift Keying

基于差分相移键控的水声数据传输技术研究

Digital Image Watermarking Algorithm Based on Phase Shift Keying

一种相移键控数字图像水印算法

All digital receiver of quadrature phase shift keying with large frequency shift correction

四相相移键控调制的抗大频偏的全数字接收机

Double Baseband Processing Offset Quadrature Phase Shift Keying Modulation Technique

两次基带处理&偏移正交相移键控调制技术

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

The design was implemented with binary phase shift keying ( BPSK ) .

设计的系统采用二相键控（BPSK）方式实现。

Frequency differential phase shift keying demodulator Is there any reactive power error control in AVR ?

频率差分移相键控解调器自动调压器有无功功率误差控制吗？

M-ary phase shift keying ( MPSK ) is a popular digital modulation technique in digital communication .

相移键控MPSK调制技术是数字通信中常用的调制技术。

TFM belongs to Correlative Phase Shift Keying .

TFM是一种相关相移键控信号。

Quadrature phase shift keying ( QPSK ) signaling is employed to make efficient use of the available bandwidth .

传输信号采用正交相移键控调制方式，以有效利用有限通信带宽。

MPSK ( Multiple Phase Shift Keying ) modulation and demodulation system is simple , mature and widely used in aerospace TT & C area .

MPSK（多进制相移键控）调制解调系统实现起来简单、成熟，广泛应用于航天测控系统中。

IJF-OQPSK is actually to modulate the IJF codes by the Offset Quadrature Phase Shift Keying .

IJF&OQPSK实际上是对IJF信号再进行正交四相相移键控的调制技术。

For quadrature phase shift keying ( QPSK ) modulation technique , a baseband DBF algorithm of smart antenna fixed beams is presented .

针对四相相移键控（QPSK）调制方式，本文提出了一种新的智能天线固定多波束基带DBF算法。

In Chapter 4 , we study the use of wavelet transform to estimate the symbol rate of an M-ary phase shift keying ( MPSK ) signal .

第四章讨论了基于小波变化的MPSK信号符号率估计算法。

Feher patented Quadrature Phase Shift Keying ( FQPSK ), which is suitable for deep space communication , is introduced at first .

首先介绍了适用于深空通信的费赫尔正交移相键控（FQPSK）调制技术。

The performance estimation of quadrature phase shift keying ( QPSK ) signaling over a Rice lading channel was simulated and the corresponding analyzing results were obtained .

最后，对数字调制后的QPSK信号通过莱斯衰落信道时的性能进行了仿真估计，并得到相应的分析结果。

π / 4-QPSK ( Quaternary Phase Shift Keying ), an improved QPSK modulation , possess hig-her frequency efficiency and antinoise ability .

π/4-QPSK是四进制相移键控（QPSK）的改进方式，具有较高的频谱效率和较好的抗噪声性能。

Intersymbol - Interference and Jitter Free Offset - keyed Quadrature Phase Shift Keying ( IJF-OQPSK ) is a new modulation method in modern digital modulation techniques .

无符号间干扰和抖动－交错正交相移键控（IFJ－OQPSK）是现代数字调制技术中的一种新的调制方式。

Punctured convolutional coding with an 8 , 16 and 32 differential amplitude and phase shift keying ( DAPSK ) modulation is considered .

研究带删除卷积码的8、16、32差分幅/相移键控（DAPSK）调制。

Wavelet transform ( WT ) provides a constant-Q filter analysis that is suitable for transient detection and characterization of M-ary phase shift keying ( MPSK ) signal .

小波变换提供品质因数Q恒定的滤波器分析，能够精细刻化M电平相移键控（MPSK）信号在码元转换时刻的相位跳变。

The applied background of high-data-rate demodulator is discussed and the composition and operation principle of a new multirate Quadrature Phase Shift Keying ( QPSK ) demodulator is introduced .

首先讨论了遥感卫星高速数据中频接收解调系统的应用背景，然后介绍了一种新型多速率中频QPSK解调器的组成和工作原理，并给出了该设备的性能测试方法和测试结果。

And the paper also investigated the FPGA implement of direct digital synthesizer ( DDS ) and the design method of the difference phase shift keying ( DPSK ) modulation and demodulation based on the FPGA .

论文还讨论了直接数字合成器（DDS）的FPGA实现，及在DDS基础上利用FPGA来实现差分相移键控（DPSK）调制器和解调器的设计方法。

A QPSK blind sequence detection algorithm based on the ε - equalization principle is proposed . The algorithm can formulate the quadrature phase shift keying blind sequence detection into a quadratic programming with integer constraints .

给出了基于ε-均衡准则的QPSK序列盲检测算法，该算法将QPSK序列盲检测问题转化为带整数约束的二次规划问题。

In order to make the limited spectrum range accommodate more communication channels , some linear modulation techniques are proposed , such as QAM ( Quadrature Amplitude Modulation ), QPSK ( Quadrature Phase Shift Keying ), etc.

为了让有限的频谱范围能够容纳更多的通信信道，人们提出了一些线性调制技术，如：QAM（quadratureamplitudemodulation）、QPSK（quadraturephaseshiftkeying）等。

The new approach which merged the characteristic properties of fuzzy system has a high accuracy and fast convergence rate in comparison with usual algorithms . Simulations also show the superior performance in binary phase shift keying ( BPSK ) .

与一般均衡算法比较，结合模糊系统特性的新算法具有高的准确率和更快速的收敛速率，在仿真中能够直观的看到新算法对BPSK编码信号性能的显著提高。

As the key component of satellite digital video broadcast receive system and chip , this paper ( pre - )( sented ) the design of an all-digital quadrature phase shift keying ( QPSK ) demodulator .

作为数字卫星视频广播（DVB-S）接收芯片的核心组件，给出了一种全数字正交相移键控（QPSK）接收解调器的设计。

The Binary phase shift keying ( BPSK ) and Mary amplitude shift keying ( MASK ) are widely used in radar systems , their elliptic covariance do not equal zero , are noncircular signals .

二进制相移键控（BPSK）和幅度调制（MASK）等信号是雷达系统中常用的信号，这种调制信号的椭圆协方差矩阵不为零，被称为非圆信号。

The wireless measurement circuit of the sensor is analyzed and researched based on the process of MEMS and CMOS circuit and the phase shift keying modulation and demodulation circuits are designed with the core of CMOS Gilbert unit .

以MEMS工艺和CMOS电路为基础，对传感器的无线测量电路进行了解析研究，设计了以CMOS吉尔伯特单元为核心的移相键控调制解调无线通讯电路。