Because its driving signal is surface acoustic wave, thus it overcomes the shortcomings of complex structure, difficult fabrication and miniaturization in normal ultrasonic motor.
由于其驱动信号是可以由结构简单的叉指电极激发的声表面波,因而克服了一般的超声马达结构复杂,制造困难以及小型化困难等缺点。
The DDS signal generator which can adjust signal phase, signal frequency and complex wave is designed.
最终实现频率、相位、复合波形皆可调节的直接数字合成的信号发生器。
This paper shows some new methods just like residual flow increment, signal tracking, traveling wave, transient state and complex selection.
本文列举了适用于谐振接地系统的各类新兴方法。如残流增量法、注入信号寻迹法、行波法、暂态法以及综合选线法。
This paper shows some new methods just like residual flow increment, signal tracking, traveling wave, transient state and complex selection.
本文列举了适用于谐振接地系统的各类新兴方法。如残流增量法、注入信号寻迹法、行波法、暂态法以及综合选线法。
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