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.
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