line frequency
英 [laɪn ˈfriːkwənsi]
美 [laɪn ˈfriːkwənsi]
网络 行频; 电源频率; 行频率; 线频率; 工频
双语例句
- In1980, the institute and Beijing municipal electrical factory has successfully developed line frequency coreless bathroom plug stem bottom note type electric insulation casting.
年，北京市机电研究院与北京玛钢厂研制成功工频无芯塞杆底注式保温浇注电炉。 - The de-buzz processor squelches nasty line frequency buzzes.
去吱声处理器可以抑制讨厌的线路频率吱吱声。 - This is fairly commonly utilized, and affects the line frequency component ( and odd harmonics).
这种作法已经被广泛应用，并可以用以改善市电频率成分（包括奇次谐波。） - Line frequency withstand voltage test is a test to verify low-voltage appliance's solid insulation and the capacity to withstand short time over-voltage.
工频耐受电压试验是验证低压电器固体绝缘及其耐受暂态过电压能力的试验。 - Implementation and Optimization of the Line Spectrum Frequency Quantization Based on DSP
AMR-WB编码中线谱频率量化的DSP优化与实现 - Typically caused by distortions to the frequency components below the horizontal line frequency.
它沿水平方向逐步扩展，通常是由低于行频的频率畸变造成的。 - Limited error temporal decomposition algorithm for line spectral frequency parameters quantization
一种有限误差线谱频率参数暂时分解量化算法 - Line frequency hum, primarily induced by imbalance in the filament circuit wiring, the transformer used to power the filament, coupling into the signal leads, etc.
市电频率Hum，主要原因包括灯丝线路走线导致的不平衡；供给灯丝的电源变压器（缺陷）导致电源杂波耦合进入信号通道，等等。 - Since heating power is symmetric for each half cycle of applied voltage, the principle component of this hum is twice the line frequency ( and even harmonics of the line frequency).
由于交流供电在所加电压的每半周是完全对称的，所以这种原理所导致的HUM成分会两倍于市电频率（以及市电频率的偶次谐波）。 - Two kinds of typical wideband signal, Line Frequency Modulation ( LFM) signal and Hyperbola Frequency Modulation ( HFM) signal, is analyzed qualitatively with WAF. Then the author obtain Doppler tolerant signal and time-scale combine resolution signal.
以宽带模糊度函数为工具对线性调频信号和双曲调频信号在多径环境中进行了定性的分析，获得了多普勒宽容信号和时延尺度二维联合分辨信号。 - Select the general multiplication D/ A converter to achieve automatic gain control function, thus overcome the attenuation characteristic of the power line high frequency passageway which effects the received signal.
选择采用一般的乘法型D／A转换器实现自动增益控制功能，从而克服电力线高频通道的衰减特性对接收信号的影响。 - On the basis of above research, math model of line spectrum for radiated noise is established by the periodical signal. Line spectrum frequency of different rotational speed underwater vehicles can be predicted by applying the model.
在此基础上，以周期信号为模型建立了航行体辐射噪声线谱数学模型，并应用该模型对不同转速航行体辐射噪声线谱频率进行了预测。 - In this paper, the definition and properties of Line Spectral Frequency ( LSF) parameters are introduced briefly. An efficient solution method of obtaining LSF parameters is presented.
本文简要介绍了线谱频率（LSF）参数的定义和性质，给出了一种求解LSF参数的有效办法。 - For the line frequency input current, phase-shift and attenuation introduced by the filter are no more than 3.3 ° and near 0 dB respectively.
对市电频率的输入电流，滤波器引入的相移不大于3.3°，衰减几乎为0； - That air Pulse Doppler Radar work with range gate in HPRF and MPRF, and work includes the LFM ( line frequency modulation) and barker code+ MTD ( Moved Target Detection) at LPRF.
该机载脉冲多普勒雷达系统在高、中重复频率下采用距离门体制进行工作，在低重复频率下采用包括线性调频和巴克码两种信号的脉压+动目标检测体制进行工作。 - To improve imaging quality, the system has the function of luminous energy and line frequency adjusting.
系统具有调光和行频调节功能，用以满足在不同能量状态和不同飞行高度下的成像质量。 - Identify Faint Signal Buried in Line Frequency Noise Based on Correlation Estimation
基于相关估计辨识工频噪声中的微弱信号 - It is found that the system with lower line frequency has better picture definition as illustrated by test spectra and photographs.
本文从分析两种慢扫描电视系统的实例出发，给出了实测频谱与照片。 - This system uses the battery as supply power, and adopts instrumentation amplifier wtih high performance as preamplifier, so that we can improve the CMRR and input impedance, and decrease the line frequency noise effectively.
本系统由电池供电，采用高性能的仪表放大器进行前置放大，以提高共模抑制比和输入阻抗，有效抑制工频干扰。 - A new multi-stage vector quantizer ( MSVQ) of line spectral frequency parameters is designed.
设计了一种新的线谱频率参数多级矢量量化编码方案。 - The display distinguishes the method of the rate exaltation a lot of, we may Discussion from Order to be apart from, line Frequency, Field Frequency so and so.
显示器分辨率提高的方法很多，可以从带宽、点距、行频、场频等方面讨论，而这些因素都是相互联系的。 - The Implementation of a TV Processing Circuit for Double Line Frequency
一种电视倍行处理电路的实现 - The auto-measuring instrument can directly measure 3-phase voltage and current RMSes, 3-phase power factors and line frequency, and can com-pute 3-phase active and reactive powers correspondingly within 60 ms.
本文介绍了自动电网动态参数检测仪能够在三个周波（60ms）的时间内检测电网上的三相电压、电流有效值、三相功率因数和频率，计算出相应的三相有功功率、无功功率。 - This paper points out that the TV line frequency has significant action on spectrum and certain influence upon picture definition.
本文指出行频对电视频谱特性起重要作用，对图象清晰度有一定的影响。 - Principle of line frequency withstand voltage test equipment, the relation between test transformer capacity and leakage current setting value and cautions at test are described.
描述了工频耐受电压试验设备原理、试验变压器容量与泄漏电流整定值之间的关系以及试验时的注意事项。 - Repair of line frequency cored induction galvanization furnace with ready-made melting trough under liquid condition
工频有芯感应镀锌炉采用预制熔沟在液态下的修复 - The Innovation of Cooling System of Line Frequency Furnace
工频炉冷却系统改造 - Influence of line Frequency to Characteristics of Spectrum and Definition of TV
电视信号行频对频谱特性和清晰度的作用 - Line Frequency Withstand Voltage Test Equipment Requirements and Test Method
工频耐受电压试验设备要求和试验方法 - At the same time, through the analysising that current and voltage amplification principle and line impedance frequency characteristics.
同时，结合对电流、电压放大原理和线路阻抗频率特性的分析得知。