查询词典 oscillatory circuit

This shows, bougie blocks the since that make to serve to enclose an industry at the design of integrated circuit and test, it is the indispensable one part in this industry catenary, its the development that surrounds integrated circuit industry with me contacts grow and develop cheek by jowl.

由此可见，探针卡建造既是办事于集成电路的设计和测试封装工业，又是该工业链中不成或缺的一部门，它的成长和成长是和我围集成电路工业的成长慎密相联系的。

Based on simulation of the circuit breaker, the design of the expert system of circuit breaker is explored.

本文在已有断路器仿真计算基础上，对气吹断路器专家系统的设计进行探讨。

Vacuum circuit breaker is widely used as a new type of the high voltage circuit breaker at present.

真空断路器作为一种新型的高压断路器正越来越广泛的被采用。

This paper gives out the principles and improving schemes of transformer discharge equipment and resonance booster discharge equipment. By detecting the current in the main circuit, the gap's breaking-down can be identified, and the single chip micro-computer will send out corresponding control signal to make the IGBTs to switch off or cut off the input voltage, by this mean, we can make sure that every time of the experiment, the sample will discharge only once. The paper also introduces the principle of the protection circuit. At last, the experimental waveforms were listed, which prove the feasibility of the high voltage discharge fast switch-off device.

该文给出了变压器和谐振升压器2种高压放电试验装置的原理以及改进方案，通过检测主回路电流大小判断间隙是否被击穿，由单片机发出相应控制信号，采用IGBT等开关器件控制试验电压的通断，保证了试品每次试验只进行一次放电，介绍了保护电路的原理，给出了试验波形，证明了此高压放电速断装置的可行性。

The principle is using thefast breakover of avalanche transistor drive the electron tube. The full time of 4200Vvoltage is about 20ns. The circuit can normally work under 100kHz frequencies.Design an extra fast Q-switch circuit by series arrangement of avalanche transistor.

本论文主要做了以下几方面工作：1、推导了重复率激光基本参数(脉冲能量、脉冲宽度和峰值功率)与周期的关系，并且分析了重复率激光系统运转的稳定性。2、设计了雪崩管-电子管退压电路，由雪崩管驱动电子管开关，4200V高压退压沿20ns左右，能够在100kHz频率下工作。

Device model is a bridge that connects circuit design with process and it is very important to circuit design.

器件模型是连接工艺生产与电路设计的桥梁，是电路设计十分关键的环节。

After comparing, the single-phase bridge circuit was used. The IGBT was used in circuit.

论文还对逆变器的构成及并网控制方法作了分析研究。

Secondly, the design of hardware, especially the main circuit of full bridge ZVS PWM switching power supply and control circuit of DSP are discussed.

然后介绍了系统的硬件设计，着重叙述了移相全桥软开关电源主电路和DSP控制电路的设计。

Secondly, this paper explains the design of the hardware and software in this system, including the choice of three-phase fully-controlled bridge rectifier circuit, design of protecting circuit, burst module and detecting module, and thinking and method of programming. This paper provides the measures to handle with all kinds of disturbance factors.

其次，本论文对于系统的硬件及软件设计进行了详细的解释，包括三相桥式全控电路的选择、保护电路的设计、触发模块的设计、检测模块的设计以及编程的思想方法等，并且提出了对于实验过程中出现的各种干扰情况所给予的相应的抑制措施。

The operation principle of single-phase bridge voltage model inverter circuit and PWM control circuit are analysed.

实践表明：运用PWM控制技术能够很好地实现逆变电路的运行要求。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。