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- multi-function phase shift signal source 多用移相信号源
- phase shift signal generator 移相信号源
- Differential Binary Phase Shift Keying. 差分二进制相移键控。
- 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。
- 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。
- We can use four variations of a signal and let each phase shift represent two bits (4-PSK). Then we can transmit data two times as fast using 4-PSK as 2-PSK. 我们还可以采用四种信号相位变化方式，让每一种变化代表两个比特(4-PSK)。此时我们可以用两倍于2-PSK的速率传输数据。
- phase shift signalling 相移信号
- 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。
- This paper disscusses the interception methods of quadrature phase shift keying (QPSK) radar signal, which include spectral correlation detection and wavelet analysis. 本论文讨论四相编码雷达信号的侦察、截获方法。
- Measurement of Gouy Phase Shift by Supercontinuum Spectral Interference[J]. 引用该论文 王之光;曾志男;李儒新;徐至展.
- Then after amplitude limiting, to be preamplified, demodulated, bandpass filtered, the doppler frequency shift signal is extracted. 经过限幅保护，接收放大，检波和带通滤波后，将多普勒频移信号提取出来。
- Dual Bridge Rectifier Based on Phase Shifting. 摘要:基于相移变压器的双桥整流器。
- What is the function of a cosine phase shifter? 与弦移相器有什么用处?
- Distortion can result from phase shifts. 相位变化将造成失真。
- Control pulse is coupled into this pulse shaper by wavelength division multiplexer. Nonlinear phase shift of signal laser is induced by control pulse because of cross phase modulation. 该全光脉冲整形器利用波分复用器将控制光脉冲引入光纤环形镜中,控制光脉冲由于交叉相位调制在信号光上产生了非线性附加相移。
- This paper introduces the design of the whole circuit , inducting the picking of the shift signal,the direction discrimination and the software and the hardware of the single chip microcomputer 8031. 详细地介绍了整体电路的设计，包括位移信号的检取，细分判向及8031单片机系统的软、硬件设计。
- In electronics and communications, pertaining to signals that have a zero phase shift relative to each other. 在电子技术和通信技术中,用来说明各个信号相互之间没有相位差。
- In phase shift laser rangefinder, the received power determines the signal to noise ratio, conse quently the depth of field and the accuracy, so it is of importance to calculate the received power accurately. 在相位式激光测距中，接收光功率的大小直接决定了测量信噪比，从而决定了测量范围和测量精度，因此如何准确地计算出接收光功率的大小，是测距技术中一个非常重要的问题。
- A more accurate phase shift formula for electrooptic and gyrotropic crystals is presented in the paper. 提出了电光和旋光晶体中相移的精确计算方法。
- Unfortunately, some beam positions do not have the same phase shift in the reverse direction. 不幸的是有的波束位置在反射方向上没有相同的相移。
