外激励相位控制采用微小信号控制并使控制信号与系统的不稳定周期轨道达到最佳相位匹配，获得最佳控制效果。
The small control is adopted also in the phase control and the best phase matching between the control signal and the unstable periodic orbit is reached. Then the best effect of control is got.
针对与激励信号相位相关干扰背景下的信号测量，提出了一种新的方法。
A novel method on signal measurement in the presence of interferences phase correlating with excitation is proposed.
介绍基于最低阶反对称板波激励、扫频幅度相位显示的复合材料粘结质量评价的新方法。
Descriptions are made of a new instrument based on the lowest order asymmetric plate wave excitation and swept frequency amplitude phase display.
对倾斜的和水平的四元阵按相位旋转方式激励时的辐射场进行了计算、示出一些典型辐射图。
Computations are performed for radiation field of inclined and horizontal four-element array with turnstile excitation, and some typical patterns are shown.
本文在不外加输入激励情况下，讨论了开环不稳定和非最小相位的ARMAX系统系数的一致估计。
Without introducing any external excitation to the system input, this paper gives consistent estimates for the coefficients of an ARMAX system, which is allowed to be unstable and of nonminimum-phase.
用相同的激励信号作用，结果显示，功率谱密度无法分辨非最小相位信号。
With same input signal to excite two systems, the results show that the power spectral density of the output can't identify non-minimum phase signal.
最初在通信领域人们通过改变阵元激励信号的相位达到改变天线阵方向图波束指向的目的，从而相控阵天线应运而生。
In communication fields wave orientation of antenna array can be changed by the phase of stimulus signal, which is called phased array.
该发生器可以输出相位差可调的12通道线性扫频正弦激励信号或者输出12通道定频正弦激励信号。
The virtual signal generator has 12-channels outputs for linear scanning frequency signal or fixed frequency sine wave excitation signal.
采用本征激励法，在考虑互耦影响下，数值模拟了幅度误差、相位误差、位置误差和不平行度偏差等对超低副瓣阵列天线方向图性能的影响。
Monte Carlo method and the eigen-driven analysis method are combined to simulate the effects of errors on side-lobe level distribution of the Ultra-low side-lobe arrays.
采用本征激励法，在考虑互耦影响下，数值模拟了幅度误差、相位误差、位置误差和不平行度偏差等对超低副瓣阵列天线方向图性能的影响。
Monte Carlo method and the eigen-driven analysis method are combined to simulate the effects of errors on side-lobe level distribution of the Ultra-low side-lobe arrays.
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