1) ultrasonic electric signals
超声频电信号
1.
A real time measuring device for ultrasonic electric signals is developed in this paper, it can measure the ultrasonic electric signals with high voltage, high frequency and non sine wave, the measurement results can be saved and analyzed in real time.
针对功率超声电信号高频高压且带有波形畸变的特点，本文研制了一种超声频电信号检测系统，可以对超声过程中功率、电压电流有效值、相位差及频率信号进行快速准确的实时检测，而且可以对测量结果进行实时记录、分析处理。
2) ultra-low frequency electromagnetic signal
超低频电磁信号
3) Ultrasonic signal
超声信号
1.
Adaptive wavelet thresholding based ultrasonic signal denoising;
基于自适应小波阈值的超声信号消噪
2.
Digital quadrature demodulator for detecting ultrasonic signal based on FPGA;
基于FPGA的超声信号数字正交解调器
3.
The ultrasonic defect echo of a austenite stainless steel with coarse grainswas acqiuired and processed using a developed computerized ultrasonic signal analysissystem.
采用计算机化超声信号分析系统，对奥氏体不锈钢粗晶材料缺陷的超声回波信号进行采集和加工。
4) audio signal
声频信号
1.
Audio directional loudspeaker is a novel loudspeaker which can generate an audio signal with high directivity by utilizing the parametric array principle.
声频定向扬声器是利用参量阵原理,产生高指向性声频信号的新一代扬声器。
5) B-mode ultrasound RF signal
B型超声射频信号
6) thermo-acoustic signal
热超声信号
1.
When human tissue is irradiated by microwave pulses,there is thermo-acoustic signal due to heat expansion.
人体组织在微波脉冲的激励下,会因热膨胀产生热超声信号。
补充资料：超声频移诊断
超声频移诊断
ultrasonic doppler diagnosis
亦称“D型超声诊断法”。是应用多普勒效应超声探测血液流动和脏器活动的方法。此法可获得因回声频率变化(即多普勒效应)的信号音图、曲线图及多普勒图像。可对血流听诊、测速，获得横断面、纵剖面及侧面投影图。超声心动图可确切显示心脏某一指定部位血流速、向性数据。其最大优点为无损伤、操作简便、迅速、便于重复应用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条