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。
For the conventional modulation and demodulation of Minimum Frequency Shift Keying (MSK), the new models for modu - lation and demodulation on digital MSK based on VHDL are developed.
针对传统的最小频移键控(MSK)的调制解调方式，提出一种基于甚高速硬件描述语言(VHDL)的数字式MSK调制解调模型。
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。
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。
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。
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。
Digital mod technology in the digital communication occupies a very important position, commonly used digital modulation are: frequency shift keying (FSK) and phase-shift keying (PSK), and so on.
数字调制解调技术在数字通信中占有非常重要的地位，常用的数字调制有：移频键控(FSK)和移相键控(PS K)等。
Digital mod technology in the digital communication occupies a very important position, commonly used digital modulation are: frequency shift keying (FSK) and phase-shift keying (PSK), and so on.
数字调制解调技术在数字通信中占有非常重要的地位，常用的数字调制有：移频键控(FSK)和移相键控(PS K)等。
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