Quadrature Amplitude Shift Keying?
正交移幅键控QASK ？
Binary Code Frequency Shift Keying?
二进制代码移频键控BCFSK ？
Offset Quadrature Phase Shift Keying?
偏移量正交相移键控oqps K ？
Offset Quadraphase phase Shift Keying?
偏移量四象制相移键控oqps K ？
This is called "amplitude shift keying".
这就是所谓的“振幅键控”。
TFM belongs to Correlative Phase Shift Keying.
TFM是一种相关相移键控信号。
This is the AWGN Channel 4 phase shift keying modulation, as well as its perf...
这是在AWGN信道下四相键控调制，以及其性能分析。
The Frequency Shift Keying modulation is widely used in HF digital communication.
控是短波数字通信中常用的一种调制方式。
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。
The minimum (frequency) shift keying (MSK) is a digital modulation with good performance.
最小频移键控（MSK）是一种性能较优的数字调制。
In order to restore the phase shift keying rule at lower SNR, the original phase is corrected.
为了能在更低的信噪比下恢复出相位编码规律，还对原始相位进行了修正。
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。
Chaotic on-off keying (COOK) and differential chaos-shift keying (DCSK) are two simple modulation schemes.
混沌开关键控(COOK)和差分混沌键控(DCSK)是两种基本的调制方案。
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。
A amplitude shift keying (ASK) demodulation method based on adaptive filtering was discussed in this paper.
研究了一种基于自适应滤波算法的振幅移位键控(ask)信号的方法。
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。
Compared to current phase shift keying (PSK) modulation by a code, there is a further modulation by a sub-carrier.
与当前通过编码的相移键控(PSK)调制相对，还存在另外的通过子载波的调制。
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。
In this paper, a coherent demodulation scheme for chaos shift keying signals is presented, and formula for bit error rate is given.
提出了一种基于收缩映射的混沌键控信号解调方案，给出了系统误码性能的数学表达式。
By using 32 bit Cyclic Code Shift Keying(CCSK) code-word S0 to establish spread spectrum space, the tamed spread spectrum was completed.
以32位的循环码移位键控（CCSK）码字S0为基础建立扩频空间，完成软扩频；
Chaos Shift Keying (CSK) is generally divided into two categories by demodulation method as coherent detection CSK and non-coherent ones.
混沌键控(CSK)按解调方式通常分为相干解调的CSK与非相干解调的CSK。
The first segment 310 of the TPS data block (bit so) is an initialization bit for a differential binary phase shift keying (2-PSK) modulation.
TPS数据块的第一段310（比特S0）为差分二进制相移键控调变的初始比特。
Quadrature phase shift carrier modulation is used to represent the four different phase inputs of digital information, is quaternary phase shift keying.
四相相移调制是利用载波的四种不同相位差来表征输入的数字信息，是四进制移相键控。
Concerning the problem of demodulating the weak Binary Phase Shift Keying (BPSK) signal, the demodulation method based on chaotic system was researched.
针对微弱二进制相移键控(BPSK)信号的解调问题，对基于混沌系统的解调方法进行了研究。
Based on the study of their generating mechanism, a novel scheme of multi-level digital chaos shift keying (MDCSK) via multi-scroll chaotic systems is presented.
在研究其产生机理的基础上，进一步提出了用多涡卷混沌系统实现多进制数字混沌键控(MDCSK)的一种方案。
A scheme of satellite covert communication based on the coherent chaos shift keying signal is proposed in this paper, then the whole system model is also constructed.
文章提出了一种基于相干混沌移位键控信号的卫星隐蔽通信方案，并建立了系统模型，然后采用离散基带信号分析了其隐蔽性能、抗干扰性能以及相关参数的选取。
To cope with the problem of phase shifts caused by different propagation paths (especially in HF links), the modulation is done in differential phase shift keying (DPSK).
为了克服由多径传播造成的相移失真难题(特别是在HF链路里)，调制采用差分相移键控(DPSK)来完成。
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。
And the method of DDWS (direct digital wave synthesis) is adopted to realize the signals of MFSK (multi-frequency shift keying) and OFDM (orthogonal frequency division multiplexing).
采用DDWS(直接数字合成)方法，产生了MFSK (m元频移键控)和OFDM(正交频分复用)两种水声通信信号。
And the method of DDWS (direct digital wave synthesis) is adopted to realize the signals of MFSK (multi-frequency shift keying) and OFDM (orthogonal frequency division multiplexing).
采用DDWS(直接数字合成)方法，产生了MFSK (m元频移键控)和OFDM(正交频分复用)两种水声通信信号。
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