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- minimumfrequency shift keying 最小移频键控
- Differential Binary Phase Shift Keying. 差分二进制相移键控。
- To release the shift key on a typewriter or computer keyboard. 松开一台打字机或计算机的键盘上的字形变换键
- Immediately after you hear the startup tone, press and hold the Shift key. 听到启动声音后,立即按住Shift键。
- There are two shift keys on the computer keyboard. 在计算机键盘上有两个上档键。
- 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. 摘要扩展的二元相移键控是一种高效调制技术。
- If the "0" and "1" to change the carrier phase, called phase shift keying (PSK). 如果"0"和"1"来改变载波的相位，则称为相移键控（PSK）。
- 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。
- 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。
- The paper presents a novel method for demodulating the binary phase shift keying(BPSK) signals basing on adaptive filtering. 提出了一种新型的基于自适应滤波算法的解调二进制相移键控(BPSK)信号的方法。
- Massively uses the frequency Shift Keying Signal（FSK） in our country locomotive control signal to transmit each kind of locomotive speed information. 摘要 在我国机车控制信号中大量采用移频键控信号（FSK）来传送各种机车速度控制信息。
- Finally,a MATLAB based simulation example is presented,which comprises performance estimation of phase shift keying(PSK) signaling over a Rician fading channel. 最后,我们对数字调制后的信号如移相键控(PSK)信号通过莱斯衰落信道时的性能进行仿真,并得到相应的分析结果。
- In recent years, the bandwidth efficiency of Ultra Narrow Bandwidth (UNB) technologies, represented by Very Minimum Shift Keying (VMSK), has reached near a 100 bps/Hz. 近年来,以甚小移键控调制(VMSK:Very Minimum Shift Keying)为代表的超窄带(UNB:Ultra Narrow Bandwidth)技术的带宽效率已达100bps/Hz。
- 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。
- Based on the discussion of the topological structure of a superheterodyne FM receiver, a one chip FM receiver for FSK(Frequency Shift Keying) signal has been designed. 在分析超外差 FM中频接收拓扑结构的基础上 ,设计出一种用于 FSK(移频键控 )信号的单片FM中频接收电路系统。
- Chaos shift keying secure communication system with dual-ring erbium-doped fiber laser is presented.The chaos shift keying is realized by modulating parameters of the pump light. 提出双环掺铒光纤激光器激光混沌键控保密通信系统及理论模型,通过调制泵浦光参数以实现混沌键控保密通信;
- 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。
- HART agreement on downloaded 30 times.HART protocol developed by Rosemount and each user has to agree to adopt open standards HART The frequency shift keying. Hart源代码．HART协议简介下载30次;HART协议由Rosemount公司开发且已向每个使用者开放HART协议采用标准的频移键控．-Hart source code.
- According to the principles of signal communication, the phase shift function was used to modulate the carrier phase to produce differential phase shift keying (DPSK) signal. 根据通信原理，用调制信号控制载波相移构成DPSK信号的数学模型，分析了DPSK信号的频谱特性。
