1) assigned frequency
指定工作频率
2) assigned frequency band
指定工作频带
4) working frequency
工作频率
1.
The dead oil NMR relaxation times are measured with two working frequency (2 MHz and 23 MHz) NMR spectrometers in this paper.
利用两种工作频率(2MHz和23MHz)的NMR谱分析仪器测量了不同粘度原油样品的NMR弛豫时间。
2.
With the study of the current methods of route multi identify in expressway,the problem of how to choose the working frequency in route identify system with RFID is researched.
结合高速公路多义性路径识别问题研究的实际情况,对采用RFID解决路径识别问题中工作频率的选择进行多方面的分析和探讨,通过分析不同频段的使用情况、现有技术的成熟度、各个频段产品现状及应用成本问题,对每个频段当前的可选择性进行比较分析,可为使用RFID解决路径识别问题中工作频率的选择提供思路。
3.
The results show that noise spectrum of ultrasonic cleaner has a broadband and contains largely high frequency components,and its basic frequency depends on the working frequency of ultrasonic cleaner.
结果表明,超声波清洗机的噪声频带较宽且以高频噪声为主,主频位于工作频率处。
5) operation frequency
工作频率
1.
In order to design high performance and reliability linear refrigerator compressors,the factors influencing the natural frequency of the linear compressor were analyzed theoretically,and experimental study on operating characteristics of different discharge pressure and operation frequency were conducted.
为了开发高性能、高可靠性的直线冰箱压缩机,从理论上分析了影响直线压缩机固有频率的因素,通过实验研究了直线压缩机在不同排气压力和工作频率下的工作特性。
2.
In order to increase the operation frequency of a pulse detonation rocket engine(PDRE),a PDRE model with solenoid valve was designed whose diameter and length was 30 mm and 1 000 mm respectively.
为了提高脉冲爆震火箭发动机的工作频率,设计了一台内径30 mm,长度1 000 mm的电磁阀式脉冲爆震火箭发动机模型。
6) frequency
[英]['fri:kwənsi] [美]['frikwənsɪ]
工作频率
1.
The first order analysis of steady state motion for piston component was deduced by using Fourier expansion method,and the amplitude frequency characteristics was presented.
根据双活塞液压自由活塞发动机样机活塞组件动力学模型,推导出活塞组件的自激振动方程;运用相轨迹法研究了活塞组件系统的稳定性;采用傅里叶展开法推导出活塞组件稳态运动的一阶解析解,以及活塞组件的幅频特性;提出液压自由活塞发动机稳定运行的必要条件,和通过负载特性确定活塞组件稳态工作频率的方法。
2.
The experiment results indicate that the frequency of eccentricity sensor must be as high as possible under keeping the stability of the sensor, and that using the same sensor probe, the larger the diameter of cable .
结果表明,在保证偏心传感器稳定的条件下,工作频率要尽量高;用同样的偏心传感器探 头检测时,检测灵敏度随着电缆线芯直径的增大而变高;保持传感器探头尺寸不变,只改变线圈匝 数对检测灵敏度影响甚微。
3.
According to the fundamental characteristics and the antenna design method of the wireless router,the paper develops a microstrip radiation unit,the operating frequency is in the C and S-band,and tests the parameters of these types of radiation units.
本文根据无线路由器天线的基本特性和设计方法,研制出微带辐射元,其工作频率在C和S波段内,并对这几种辐射元电参量进行测试。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
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