- 标定频率
- 固定频率
- 稳频
- fixed: adj. 1.固定的；确定的，不变的，固执的。 2.【化 ...
- frequency: n. 1.屡次，频仍，频繁。 2.(脉搏等的)次数，出现 ...
- fixed-frequency: 固定频率
- audiometry fixed-frequency: 定频式测听法
- fixed frequency accelerator: 固定频率加速器
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fixed frequency中文什么意思
- 标定频率
- 固定频率
- 稳频
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例句与用法
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- The laboratory offers calibration for single - phase wattmeters at fixed frequencies of 50 hz , 60 hz or 400 hz , and in the power factor range of unity to 0 . 5 leading or lagging
功率表本所为固定频率50hz ， 60hz或400hz及功率因数为1至0 . 5超前或滞后的单相功率表提供校正服务。 - However , these converters become more complicate . phase - shift bi - directional dc - dc converter is attractive since it operates with fixed frequency , has small voltage and current stress and can realize zvs without auxiliary switches
相移控制双向dc - dc功率变换器因具有功率器件电压,电流应力小,定频工作和无须增加辅助器件即可实现功率器件的零电压开关条件等优点而受到关注。 - Several control strategies used in shunt active power filters such as triangular carrier waveform control 、 hysteresis - based current control 、 instantaneous current control under fixed frequency have been researched , and the characters of them have been gained through these analysis
对并联型有源电力滤波器的三角波载波线性控制、电流滞环跟踪控制、定频瞬时值控制等电流控制策略进行了研究,通过理论分析比较了各自的特点。对采用ip - At first , after the dynamic characteristics of the plane and the spatial supporting systems were studied , fore some steps fixed frequency and shape of vibration were gained . secondly , several design parameters which influence the dynamic characteristics of this kind system were discussed , including pre - tension value in the cable , cross - section of the cable , cross - section of steel - bar and form change . some applied decisions were found
首先，对平面和空间索桁支承体系的自振特性进行研究，得到体系的前几阶固有频率和振型形式；进而探讨了索的预拉力、拉索截面面积、撑杆截面面积、形状改变(撑杆长度l )等主要设计参数对体系自振特性的影响，得出了一些有益的结论，为体系设计和施工提供意见和依据；最后，对体系的风振特性进行了分析，用幕墙风荷载规范对几种索桁支承体系形式进行风荷载计算。 - The chip is mainly applied to the portable electronic products with the following features : 2 . 7v to 5 . 5v input voltage range ; the 1mhz fixed frequency ; - 40 to + 85 operating temperature ; two digital inputs control on / off and select amongst three levels of brightness ; thermal shutdown and under voltage shutdown protection , low 0 . 1 a shutdown current ; soft - start limits inrush current
该芯片主要应用于便携式电子产品,其输入电压范围为2 . 7 5 . 5v ,工作频率为固定的1mhz ,可大幅度降低输入纹波和emi辐射,工作温度范围为- 40 + 85 ,可使用外部使能控制信号调节led亮度及控制芯片关断与否,具有过温保护和输入欠压关断保护功能,完全关断模式下关断电流可低至0 . 1 a ,具有软启动功能以限制启动时的浪涌电流。