查询词典 high frequency

Wood cutting can be divided into cont inous cutting,high frequency cutting disjointedly and low frequency cu tting disjointedly according to length of a continous cutting time and proportion of cutting time to all time.

根据一次连续切削延续时间的长短及切削时间占总时间的比例，可将木材切削分为连续切削、高频率断续切削和低频率断续切削。

This paper develops a high-frequency welding power source with double-ended flyback topology.based on SG3525 a new type of control program is designed which with controlled pulse energy output characteristics, pulse width and frequency can be controlled, to control output energy.

本文给出一种基于双端反激式主电路拓扑和SG3525 PWM控制芯片，研制了一台高频脉冲能量可控式焊接电源，该电源通过对输出电流的脉宽和频率单独控制，从而控制输出能量。

The system is comprised of a 12 low frequency driver and a large-format, high frequency compression driver, coupled to a constant-directivity 90° x 40° horn.

该系统是由一个12低频驱动器和一个大型的格式，高频压缩驱动器，加上一个恒定指向90 °× 40 °角。

It is consisted of two circuits: the high frequency converter and the electromagnetic switch contact state sensing circuit without any sensor. There are more advantages in this technology than in those dealt with the problems in commercial frequency.

提出了一种互补式开关新技术，它由两个新电路构成，即高频开关变换器与电磁开关触点状态无传感器实时采样电路由于以高频处理方式来解决此类工频电工问题，较传统方法有更多优点，因此具备了解决上述难题的条件。

At high-frequency voltage, a transformer winding is equivalent to a linear, bilateral passive network which consists of linear resistance, capacitance and inductance. The equivalent model of a transformer winding in different frequency bands can be known by studying the bilateral network.

变压器绕组在较高频率的电压作用下，每个绕组本身均可视为一个由线性电阻、电容、电感等分布参数构成的无源线性双口网络，通过对该双口网络的研究可以得到变压器绕组在各个频段的等效模型。

The subsequent signal recovered from the samples will not contain the high frequency component of the original signal and will display a false low frequency signal.

以低于信号中最高频率两倍的频率进行信号取样时出现的一种效应，即当由取样状态还原时，还原后的信号将不再含有原来信号中的高频成分，并将显示出虚假的低频信号。

Signal recovered from the samples will not contain the high frequency component of the original signal and will display a false low frequency signal.

以低于信号中最高频率两倍的频率进行信号取样时出现的一种效应，即当由取样状态还原时，还原后的信号将不再含有原来信号中的高频成分，并将显示出虚假的低频信号。

About the Company for the sale of high-quality professional Velcro, the main products: Standard (up to a maximum width of 150 MM-160MM), not carding type, and sulfur-resistant, soft hook-type, soft hook Ruanjiao Type, high frequency type, Beijiao; Beijiao-high temperature, water-resistant, fire zone, with the hook of hair, hair with hook-and elastic Velcro series; special color series; cloth Moshu Tie Series; PVC plastic hook; special processing zone series.

公司简介本公司为专业销售高品质粘扣带，主要产品有：标准型（最宽可达150MM-160MM）、不梳毛型、耐加硫型、软勾型、软勾软胶型、高周波型、背胶型；高温背胶型、防水型、防火带型、勾毛同体、勾毛同面、松紧粘扣带系列；特殊色系列；魔术贴布系列；PVC塑料勾；特殊加工带系列。

Owing to its small volume, light weight, high efficiency, succinct circuitry, high reliability and great capability of self-equalizing output loads in different circuitries, the Fly-back Converter becomes the optimally topological form of designing auxiliary power supply of high frequency switching power and driving power supply of power switching.

由于反激式变换器不但具有体积小、重量轻、效率高、线路简洁、可靠性高等优点，而且还具有较强的自动均衡各路输出负载的能力，目前反激式变换器的电路拓扑形式已成为人们设计高频开关电源的辅助电源以及设计各种功率开关驱动电源的首选。

HIGH FREQUENCY, The frequency band between 3 and 30 MHz.

高频， 频率带在3至30兆赫之间。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！