Demodulation of binary frequency shift keying in digital communication

1、

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。

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2、

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

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3、

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

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4、

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

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5、

Keying in this sequence displays the following at the shell prompt: echo "^ [] 2; Hello^ G".

输入这个命令序列，就会在shell提示上显示以下内容：echo“^[]2；Hello^G”。

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6、

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。

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7、

The experimentation shows indeterminacy of chaos's time sequence in experiments of randomicity check. So the randomicity of chaos's time sequence must be checked before it become keying sequence.

实验表明混沌密码序列对随机性的测试的好坏存在不确定性，因此混沌序列应用到序列密码之前必须对序列进行随机性检测。

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8、

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？

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9、

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。

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10、

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

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11、

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

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12、

Digital Image Watermarking Algorithm Based on Phase Shift Keying

一种相移键控数字图像水印算法

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13、

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

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14、

The effect of monomer ratio, the kind and concentration of keying agent on adhesion strength is also studied.

研究了单体配比、增粘剂种类、增粘剂用量对剥离强度的影响。

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15、

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。

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16、

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。

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17、

Second, the paper analyzes the single-pulse modulation which includes pulse amplitude modulation, on-off keying modulation, pulse position modulation and two-phase modulation.

其次分析了单脉冲调制中的脉冲幅度调制、开关键控调制、脉冲位置调制和二相调制。

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18、

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。

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19、

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。

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20、

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。

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