low frequency

美 [loʊ ˈfriːkwənsi]英 [ləʊ ˈfriːkwənsi]
  • 低频 (30~300千周/秒)
low frequencylow frequency

noun

1
a pitch that is perceived as below other pitches
Synonym: low pitch
2
30 to 300 kilohertz
Synonym: LF

数据来源:WordNet

  1. The thermal designing methods of the low frequency of the electronic equipment

    电子设备低频机柜的热设计方法

  2. Low Frequency Production Technique and Its Application

    低频采油技术及应用效果

  3. Analysis of low frequency accident in Hunan power network

    湖南电网2.10低频事故分析

  4. Research on the Transfer Technique of Low Frequency Power with a High Frequency Transformer

    高频变压器传递低频电功率的研究

  5. The Biological Effects of Low Frequency Electromagnetic Fields on Cells

    生物细胞在极低频电磁场中的效应

  6. A low frequency high power FM scanning acoustic beam transmitting system

    一种低频大功率调频声波束扫描发射系统

  7. Study of Analysis and Control to Central China Region Power Grid 's Low Frequency Oscillation

    华中区域电网低频振荡分析及控制的研究

  8. Practice and Reflection on teaching Low Frequency Electronic Circuit

    高职《低频电子线路》课程教学实践与思考

  9. The Low Frequency Noise Precision Measurement Equipment Design

    低频噪声精确测量装置的设计

  10. DC / DC Converter Low Frequency Noise and its Measuring Technique

    DC/DC变换器低频噪声及其测量技术

  11. The Mechanism of Small Deep Hole Cutting by Super Low Frequency Vibration

    微小深孔的超低频振动切削机理研究

  12. Measurement of bridge dynamic deflection with seismic low frequency vibration transducer

    用地震式低频振动传感器测量桥梁动挠度

  13. Low frequency electromagnetic emission in the process of rock fractures

    岩石破裂过程中的低频电磁辐射

  14. Low frequency stress wave does more damage .

    低频波比高频波的危害更大。

  15. High and low frequency instruments for measuring impedance of skin

    高频及低频皮肤电阻测量仪

  16. Low frequency and low power CMOS LNA design optimization techniques

    低频、低功耗CMOSLNA的设计优化技术

  17. Design and Application of a Low Frequency Mechanical Type Deep-hole Vibration Drilling Device

    低频机械式深孔振动钻削装置的设计与应用

  18. Study on Low Frequency Extraction from Rotor Startup Signal

    转子启动信号处理中的低频分量提取研究

  19. Test of XLPE / PE Cables Using a Very Low Frequency Method

    用超低频方法进行XLPE/PE电缆试验

  20. Accurate acquisition and processing of low frequency signal

    低频信号的精确采集与处理

  21. Design of Low Frequency Rectangle Wave Excitation Electromagnetic Flow Meter

    低频矩形波励磁电磁流量计设计

  22. Study on the Basic Technological Parameter Set in Low Frequency Torsional Vibration Tapping

    低频扭转振动攻丝基本工艺参数组研究

  23. Design of MC - ⅲ Low Frequency Pulsed Strong Magnetic Fields Generator

    MC-Ⅲ型低频脉冲强磁场发生仪的研制

  24. Power System Low Frequency Oscillation PSS Analysis

    电力系统低频振荡与PSS分析

  25. Transmission characteristic of low frequency hydrodynamic oscillation in oil layers

    低频水力振动在油层中的传播特性

  26. Method for Eliminating Low Frequency Oscillation in X-Band Low Noise Amplifier

    一种消除X波段低噪声放大器低频振荡的方法

  27. Experimental study on improvement of low frequency absorbing property of foamed aluminum board

    提高泡沫铝板低频吸声性能的实验研究

  28. RFID systems use low frequency , high frequency , ultra high frequency or microwave .

    RFID系统常见的工作频率有低频、高频、超高频和微波。

  29. Framework of Key Technology Research of the Low Frequency Passive Homing System Based on Vector Sensor

    基于矢量传感器的鱼雷低频被动声自导关键技术研究框架

  30. The active control of noise is a very effective method to minimize low frequency noise .

    有源噪声控制是消除低频噪声的一种很有效的方法。