ultrasonic frequencies是什么意思

网络释义

用法例句

The paper presents a novel ultra-audio frequency (UAF) induction welding power based on ZCS-PWM(Zero Current Switching-Pulse Width Modulation) technology.

介绍一种基于ZCS-PWM(零电流开关-脉宽调制)技术的新型超音频感应焊接电源。

This paper regards ultra-audio frequency induction heating power supply as the research object.

本文以超音频串联谐振式感应加热电源为研究对象,首先介绍了感应加热的基本原理及感应加热技术的发展动态。

This paper introduces simply a 100 kW 20 kHz supersonic frequency induction heating power supply using IGBT modules.

介绍采用ＩＧＢＴ组成的１００ｋｗ２０ｋＨｚ超音频感应加热电源。

A 25～55 kHz serial DC chopping IGBT supersonic frequency induction heating power supply is introduced, and the topology and operating principles of the power supply are described.

介绍工作频率为２５～５５ｋＨｚ串联型直流斩波ＩＧＢＴ超音频感应加热电源的基本结构和控制原理。

The acoustics of ultrasonic sound.

超音频声音的音响学

The ultrasonic freguency quenched guideways have a good wear-resistance.

床身导轨经超音频淬火处理，经久耐用。

The Research of Super-Sonic Parallel Resonant Solid Induction Heating Power Supply;

并联谐振超音频感应加热电源的研究

Microstructure and property analysis of 0Cr18Ni9Ti joints welded by ultra-sonic pulse tungsten-inert-gas welding technology

0Cr18Ni9Ti超音频脉冲TIG焊接头组织与性能

Ultrasonic Frequency Quenching for Guideway Face of Lathe Bed by Self-made Quenching Car

自制淬火车实现床身导轨面超音频淬火

Research on Superaudio Induction Heating Power Supply Based on DSP;

基于DSP控制的超音频感应加热电源研制

Study on Phase Tracing for Supersonic Frequency Induction Heating Power Supply Using IGBT;

IGBT超音频感应加热电源相位跟踪的研究

The Study of Phase-Shift IGBT Super-Frequency Induction Heating Power Supply;

移相调功式IGBT超音频感应加热电源的研究

Study on the Parallel Inverter Control Technology of Solid State Super-sonic Frequency Power Supply;

固态超音频电源并联逆变控制技术的研究

Ultra-audio-frequency Series Reson-ant Type Induction Heating Power Supply Controlled by DSP;

基于DSP控制的超音频串联谐振式感应加热电源

Research on High-power Super Audio Frequency Induction Heating Power Supply Based on DSP

基于DSP的大功率超音频感应加热电源研究

The Design and Implementation of CNC Plastic Machine Induction VHF Power

塑料机械数控超音频感应电源的设计与实现

Study on Ni60A Alloy Powder Coating by Supersonic Frequency Induction Heating

超音频感应熔覆Ni60A合金粉末涂层的研究

Ultrasonic frequency pulse tungsten inert gas welding power source topology and welding applicability

超音频脉冲TIG焊电源拓扑及电弧焊适用性

a radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified.

能将当地频率和携带者的频率联合起来产生能解调和放大的超音频信号。

Frequency Response to Super-weight Low-pitcked Circuit in Frequency Supplement;

频率补偿式超重低音电路的频率响应

Digital audio aliasing is introduced when one attempts to record frequencies that exceed half the sampling rate.

在录音频率超过抽样频率的一半时，会造成数字音频混叠失真。

metal sealed UHF and low noise silicon transistor

金属壳超高频低噪音硅晶体管