2) frequency characteristic test
频率特性测试
1.
Virtual frequency characteristic test instrument covered mobile communication band;
移动通信频段的虚拟频率特性测试仪
2.
Meanwhile,it describes that the pannel and analysis process and other functions of the virtual instrument for frequency characteristic test are designed by Lab Windows/CVI.
提出了基于USB的DDS虚拟频率特性测试仪的原理和实现方法,介绍了DDS信号发生模块的原理,使用的核心芯片AD9762的功能;USB接口模块使用的芯片CY7C64613的功能和接口的实现方法,同时给出了由Lab Windows/CVI实现的频率特性测试仪的面板和频率特性分析的过程及其他功能。
4) frequency test
频率试验
1.
With the cracked wrapping strip replaced on the35stage rotor,frequency test was run with the turbine vanes,and the vane wrapping strip was adjusted according to the test results on the35stage rotor so that the frequency spectrum of its vanes was basically in agreement with that of.
更换35级有裂纹的围带后对汽轮机进行叶片频率试验,经对35级叶片围带进行调整,调整后其叶片频谱与28级基本一致,从而保证了机组运行的安全性。
5) Test Frequency
试验频率
1.
Reliability Analyse and Test Frequency Optimization of Motorized Isolation Valves of Emergency Core Cooling System;
应急堆芯冷却系统电动阀的可靠性分析及试验频率优化
6) digital frequency characteristic testing instrument
数字频率特性测试仪
1.
Application of DDS in digital frequency characteristic testing instrument;
DDS在数字频率特性测试仪中的应用
补充资料：电力负荷电压及频率特性
电力负荷电压及频率特性
voltage and frequency characteristics of load
d一0 rl}一ft一he dlonyo]一P一nl口texing电力负荷电压及频率特性(voltage andfrequeney eharaeteristies of load)见负荷静态特性及负荷动态特性。
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