低频

In this paper low-frequency vibration problems of rotating machinery are investigated.

应用时频分析方法研究了回转机械低频振动问题.

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Applicafion of the Low-Frequency Electrical Pulse Oil Production Technology in the Downhole.

与井下 低频 电脉冲采油技术的应用>>相似的文献.

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Purpose: Low frequency power amplifier , medium speed switching applications.

用途: 用于低频功率放大及中速开关.

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There is little doubt that exposure to ELF causes childhood leukemia.

毋庸置疑,暴露于低频电磁场可引起儿童白血病.

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M-Magnum Dynalab FT-101 A-Pleasant light, airy sound. Lacks bass dynamics.

53密林的FT-101A轻快愉悦而富有空气感的声音, 缺乏低频动态.

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Peak indicator light and LF low frequency switch per mono channel.

每路单声信道具有峰值指示灯及低频切除开关.

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This paper introduces low frequency characteristic extension technique of velocity vibration sensor.

本文介绍了速度型拾振器低频特性的拓展技术研究.

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Very little effort has been devoted to the experimental measurement of low frequency combustion response.

在低频燃烧响应的试验测定方面只做了很少的工作.

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Good electrical insulation under the condition of low frequency and low voltages.

在低频、低压条件下具有良好的电气绝缘性.

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This firmly establishes the nature of the oscillations as low acoustic eigenmodes of the subphotospheric layers.

这就确凿地证实了振荡的本质是次光球层的低频声波本征模式.

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Power System Stabilizers ( PSS ) are effective in damping the low frequency oscillation.

电力系统稳定器 ( PSS ) 的应用,在抑制低频振荡方面取得了明显的效果.

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Uses: Applicable to low-frequency AC circuits, DC and pulse circuits.

用途: 适用于低频交流电路, 直流电路及脉动电路.

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Which include envelop generator, low-freq oscillator, envelop control, manual control, etc.

这些手段是包络发生器 、 低频振荡器 、 包络控制 、 手动控制等.

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Its degree ranges from slight to profound at both lower and frequencies.

其程度从轻度到重度均有,但一般不会全聋,可累及低频和高频听力.

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The synchronized low-frequency rectifier is similar to a push-pull rectifier.

同步 低频 整流器与推挽整流器相似.

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