line frequency的例句大全

Optimized HF Radar Work Frequency On-line Real-time Optimum selection of mixing frequency

高频雷达工作频率在线实时优化选择

Research on resonance frequency influencing factors of servo mechanism of line of sight stability platform

视线稳定平台伺服机构的谐振频率影响因素研究

An easy method was proposed to detect the tool amplitude of ultrasonic vibration by use of a reading microscope, monitoring the altering of frequency on-line.

给出利用显微镜观察法测量超声加工工具振幅及在线检测频率变化的简易方法。

First, this paper analyzes the structure of the solar cell and photovoltaic array. It proposes the mathematical transmission-line model of the photovoltaic array considering the parasitic capacitance. The frequency characteristics of the equivalent model are analyzed.

本文分析了光伏电池和光伏阵列的结构，给出了考虑光伏寄生电容的光伏阵列传输线模型，分析了等效模型的频率特性，最后给出了测量结果。

This paper first introduces the basic structure and line code of VDSL, and then analyses two kinds of main modulation methods for VDSL, including time division du plex ( TDD) and frequency divi-sion duplex ( FDD).

首先介绍了超高速数字用户环路（VDSL）的基本构造和线路编码，然后分析了VDSL的主要两种调制方法，即时分复用（TDD）方式和频分复用（FDD）方式。

Frequency converter with site main bus line control applied to coal shearer

现场总线控制的变频器在采煤机中的应用

Present situation and Prospect of ultrahigh frequency method based research of on-line monitoring of partial discharge in gas insulated switchgear

基于超高频法的GIS局部放电在线监测研究现状及展望

in virtual addressing scheme, the translation from virtual address to physical address is one of the highest frequency core service in the pipe line, and tends to be on the critical path determining the clock cycle of the processor.

在虚存模式下，虚拟地址到物理地址的变换是流水线中最频繁的核心服务，容易处于决定处理器时钟周期的关键路径上。

With optical fiber delay line, optical control phased array radar, compared to the traditional phased array radar, has higher instantaneous operating frequency and its beams do not appear frequency offset.

采用光纤延迟线的光控相控阵雷达相比于传统相控阵雷达，瞬时工作频率更高且其波束不会出现频率偏移。

Ultra high frequency 625-line PAL colour system

超高频625线PAL彩色系统

This paper treats of frequency stability of conventional 12-channel carrier transmitters as used in collieries, with particular reference to the considerable variations of underground transmission line impedance and fluctuations of supply voltage.

本文根据煤矿井下载波传输线路阻抗变化大、电源电压波动大的特点，针对传统的矿用十二路载波发射机，讨论了其振荡频率（即发射频率）的稳定性问题。

If audio frequency is used, then by means of a telecommunication line, seismic signals can be transmitted to thousands of kilometers away.

该仪器如果采用话音频率，则可以利用电话线路把地震信号送到几千公里之外。

According to the difference of heat source, thermal stress forming is divided into plate forming by line heating, laser forming and plate forming by high frequency induction heating.

热应力成形是一种通过不均匀加热产生的热应力来使板料成形的方法，与传统成形工艺相比具有显著优势。

Based on specific demand in machining process, a constant line speed control method is proposed, which is used in variable frequency speed control system.

针对数控机床工件恒线速加工时的特殊要求，提出了一种应用于变频调速系统的恒线速控制方法。

Discussion on fault location filter of transmission line based on basic frequency measurement

基于基频电气量的输电线路故障测距的滤波探讨

High voltage silicon pile is the key component of the output circuits of color TV and color monitor, whose switch frequency is the direct restrictive factor of line scan.

高压硅堆是彩电和彩色显示器行输出电路中的关键器件，其开关速度的快慢直接限制了行扫描频率的高低。

The Design of Measure System for Power Frequency Parameters of Power Transmission Line

输配电线路工频参数测量系统设计

A Frequency Method of Fault Location for Power Transmission Line

故障定位频率法

In view of the distribution of different frequency in terms of phase-frequency characteristic, the polarity of zero sequence transient current in fault line is demonstrated to be opposite to those in healthy feeders in the selected frequency band ( SFB).

根据线路的相频特性将频率分为不同的区段，论证了在选定频段（SFB）内，小电流接地系统健全线路零序电流极性与故障线路相反；

Research on test methods in frequency domain on the basis of transmission line

长线频域测试法研究