sweep frequency

常见例句

FM-CW geological radar is capable of detecting subsurface anomalies by using linear sweep frequency transmission of a periodically repetitive continuous FM signal.
CW地质雷达是一种通过发送周期性的连续调频（FM）线性扫描信号达到探测地下异物目的的仪器。
In this paper several dynamic testing methods of electrohydraulic servo systems are introduced, including stochastic noise test, hammering test and sweep frequency test.
本文介绍电液伺服系统的几种动态测试方法，包括随机噪声测试，锤击法测试和扫频测试。
The direct digital synthesizer(DDS) is used to sweep frequency for a sandwich piezoelectric transducer two admittance circles of the transducer about two different resonance frequencies is measured.
利用直接数字合成器（DDS）对夹心式换能器进行扫频，测得两个不同共振频率附近的导纳圆。