transistor low-frequency noise-meter
晶体管低频噪声测试仪
A Noise Testing System Used for Engine Based on Virtual Instrument;
基于虚拟仪器的发动机噪声测试系统
The Implementation Of Phase Noise Measurement Using a Spectrum Analyzer
直接频谱仪法在相位噪声测试中应用
Principle and Millimeter Wave Frequency Expanding Measurement Technology of Noise Figure Meter
噪声系数测试仪的原理及毫米波扩频测试技术
Research of Rub Noise Testing System Based on Virtual Instrument;
基于虚拟仪器的摩擦噪声测试系统研究
Design of Testing Radiometer in Radar Receiver Noise Figure Analysis Instrument
雷达接收机噪声系数分析仪中测试辐射计设计
Design of Warning Radar Receiver Noise Coefficient-measuring Instrument
对空警戒雷达接收机噪声系数测试仪的设计
The low phase noise design of reference PLL of mini port receiver's 1st LO
便携式场强测试仪参考环的低噪声设计
Using The Three-dimension Noise Model to Test and Analyze the Scanning Thermal Imaging Systems
用三维噪声模型对扫描型热像仪测试与分析
Low Frequency Noise Auto-Testing System Design Based on Virtual Instrument
基于虚拟仪器的低频噪声自动测试系统设计
noise figure measuring set for microwave equipment
微波噪声指数测量仪
Design of Automotive Brake s Vibration and Noise Testing and Analytic Instrument Based on Virtual Instrument;
基于虚拟仪器的汽车制动器振动及噪声测试分析仪的设计
echo meter=echometer
回声测试器回声测深仪
Improvement of Noise Testing Software Based on Virtual Instrumentation and Development of Electrical Parameter Testing System;
电噪声虚拟仪器测量软件的改进与电参数测试系统研制
Research and Development on Measurement and Analysis System of Vibration & Noise Based on Virtual Instrument for Hydro-Units;
基于虚拟仪器的水力机组振动、噪声测试分析系统的研究与开发
Noise Instrument Reconstructed by Vibration Instrument S0910 for Rolling Bearings
S0910型滚动轴承振动测量仪改造的噪声测量仪
Design of the Measurement and Analysis Instrument for Real-time Road/Tread Pattern Noise;
道路/轮胎噪声实时检测分析仪的研制
Principle Study on Noise Source Direction-Finding with Phase Interferometer
相位干涉仪对噪声源测向的原理研究