shift keying

This paper describes the design and the test results of Gaussian frequency shift keying for bluetooth.

介绍了一种用于蓝牙芯片的高斯滤波移频键控的设计和测试结果。

At present, many researches about all-optical wavelength converters only based on the signal modulation formats of binary amplitude shift keying ( OOK) and differential phase shift keying ( DPSK), but it is very few to the signal modulation format of polarization shift keying ( PolSK).

目前，全光波长转换器的研究主要集中在二进制振幅键控（OOK）和差分移相键控（DPSK）信号调制格式，对于偏振移位键控（PolSK）信号调制格式全光波长转换的研究很少。

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

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 phase modulation has some more advantages against CW, which uses ASK ( amplitude shift keying ).

相位调制与使用ASK ( 幅度键控 ) 的CW相比有很多优点.

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？

The design and realization of minimum frequency shift keying modulation system based on FPGA

基于FPGA的最小移频键控调制器的设计与实现

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。

Introduced the space-time frequency shift keying and the convolutional code theory in detail.

详细地介绍了空时频移键控（ST-FSK）调制解调理论和卷积码编码、维特比译码理论。

Studies on Multiple Frequency Shift Keying in Underwater Data Transmission

水声数据传输的多频移频键控研究

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。

Thirdly, we quantify the power penalty caused by the PMD in optical subcarrier multiplexing ( OSCM) system with amplitude shift keying ( ASK) and binary phase shift keying ( BPSK).

第三，对采用不同调制格式（包括幅移键控和二进制相移键控）的光副载波复用（OSCM）系统中，PMD引起的功率代价进行了量化。

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。

Chaos masking, chaotic parameter modulation, chaos shift keying, chaotic spread spectrum sequence are discussed in detail.

其中重点分析了混沌掩盖技术, 混沌参数调制技术, 混沌键控技术和混沌扩频技术的原理.

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

Carrier recovery for continuous phase frequency shift keying coherent detection

相位连续频移键控相干解调载波的提取

A method to identify the modulation levels of M-ary Quadrature Amplitude Modulation ( M-QAM) and M-ary Amplitude shift keying ( M-ASK) was developed to rapidly and automatically identify the modulation levels of digitally modulated signals at low signal-to-noise ratios ( SNR).

为了快速自动识别低信噪比下的数字幅度调制进制，提出了一种识别M进制正交幅度调制（M-QAM）和M进制幅度键控（M-ASK）的调制进制的方法。

The minimum squared Euclidean distance ( MSED ) of 2-ary multi-k continuous-phase frequency-shift keying ( CPFSK ) signal is presented.

本文详细讨论了二进制多h连续相 位移频键控 ( CPFSK ) 信号的最小平方欧几里德距离 ( MSED ),提出了决定MSED的信号隔离度的概念.

Demodulation of binary frequency shift keying in digital communication

二进制移频键控在数字通信中的解调

The Continuous Phase Frequency Shift Keying ( CPFSK ) signaling scheme has been widely used in mobile applications.

连续相位频移键控 ( CPFSK ) 信号广泛应用于便携式移动通信系统.

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

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。

The basic principle of Frequency Shift Keying is at least a century old.

基本原则的频移键控是至少一个世纪老人。

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

The generalized constellation makes MLDA possible and can be applied to demodulation of frequency-shift-keying communication system.

广义星座图不仅使差分跳频接收机最大似然序列检测成为可能,而且适用于采用频率来荷载信息的通信系统的符号或序列检测.

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。

Digital Image Watermarking Algorithm Based on Phase Shift Keying

一种相移键控数字图像水印算法

As the name of the new mode says, PSK ( phase shift keying ) modulates the carrier phase.

正如这种新操作模式的名字所指的, PSK ( 相移键控 ) 调制载波的相位.

Extended Binary Phase Shift Keying ( EBPSK ) is a kind of bandwidth efficient modulations.

扩展的二元相移 键控 是一种高效调制技术.

The Frequency Shift Keying modulation is widely used in HF digital communication.

移频键控是短波数字通信中常用的一种调制方式.