查询词典 electric circuit

The gyroscope is the key device for stabilizing, scanning and tracking in the seeker. The work mechanism of the gyroscope and especially the precession theory in the seeker is illustrated detailedly through analyzing the PL-2 missile seeker"s structure. The gyroscope electric circuit, including the gyroscope"s rotary circuit,the gyroscope"s precessional circuit and the gyro shaft position detecting circuit, was designed according to the gyroscope"s work mechanism.

陀螺是仿真导引头中稳定、搜索和跟踪的关键部件，论文从分析PL-2导弹红外点源导引头的结构和特点出发，对其中的稳定陀螺工作机理特别是陀螺进动理论进行了详细的研究，并根据陀螺的工作机理，自行研制了一套陀螺电路，包括陀螺旋转电路、陀螺进动电路和陀螺轴位置检测电路，并得到了实验验证，效果良好。

On the base of practical transformer substation main connection, electric components and system circuit model are first formed in the paper; analyze vacuum arc characteristic and medium resume are analyzed, then, according to vacuum chamber physical process of switching AC arc, resume process are divided into three stages: sheath development, neutral particles diffusion and static characteristic, with that, calculating model of medium resume strength is erected and applied in the computing of vacuum circuit breaker interrupting transform overvoltage; In the paper, Saber software is used to simulate a whole switching process; As follows, overvoltage characteristic of vacuum circuit breaker switching no load and load transformers, kinds of influence factors are analyzed in detail; At last, vacuum circuit breaker switching capacitance group overvoltage formative causes and electrode refining for lessening reignition are discuss.

本文针对中低压变电站的实际主接线建立各电气元件及系统的电路模型；在真空电弧的特点及间隙的介质恢复特性上，依据真空断路器灭弧室分断电弧的物理过程，将真空电弧熄灭后的恢复过程分为鞘层发展、中性粒子扩散和静态特性三个阶段，建立了相应的介质恢复强度的计算模型，应用到切除变压器操作过电压的计算中；采用Saber仿真软件模拟计算真空断路器切除变压器操作过电压；并分别对真空断路器切除空载及负载变压器操作过电压的特点与影响操作过电压的各种因素做了详细的分析；最后简要分析了真空断路器开断电容器组过电压的形成原因及为减少重燃的电极老炼措施。

On the hardware electric circuit, uses MAX232 torealize PC machine and between the monolithic integrated circuit leveltransformation, uses the simple 3 systems connection methodrealization correspondence, soon PC machine and the monolithicintegrated circuit transmission data end and the receive data endcross connection, two groundings direct are connected; In the softwareprogramming, on PC machine was uses the existing string mouth to debugassistant software, the monolithic integrated circuit carries on theprogramming using the assembly language.

在硬件电路上，采用MAX232实现PC机与单片机之间的电平转换，采用简单的3线制连接方法实现通信，即将PC机和单片机的发送数据端与接收数据端交叉连接，两者的地线直接相连；在软件编程上，PC机上是采用了现有的串口调试助手软件，单片机则利用汇编语言进行编程。

The design was started from the top, according to the function, it divides into four sections: Loses the human electric circuit, the keyboard and display circuit, the control and storage circuit and the output circuit.

设计中采用自顶向下的方法，把系统电路按功能划分为四个模块：输入电路、键盘和显示电路、控制和存储电路以及输出电路。

The digit phase locking circuit adopted in the plan not only made the electric circuit very simple and reliable,but also rendered the frequency standard free from the temperature coefficient of electric circuit.

该方案采用数字锁相环路，使电路十分简单且工作可靠，又不会给频标带来电子线路上的温度系数。

The whole system is divided into four parts, they are electric circuit provided by Hall element electric current, Hall voltage measurement circuit with sampling, data processing and the display circuit.

整个系统分成霍尔元件工作电流提供电路、霍尔电压测量用采样电路、数据处理部分、显示电路四大部分组成。

Overall system is constituted by temperature sensor, signal gathering electric circuit, keyboard, display circuit, E2PROM reading-writing electric circuit.

本设计采用AT89S51单片机的两个I/O口扩展I2C总线，整个系统由温度传感器，信号采集电路、键盘、显示电路、E2PROM读写电路构成。

The 300W single item incorporation feed inversion electric circuit's design is mainly transforms the small electro-optical source battery through the contravariant electric circuit as the stable room electric output.

300W单项并网馈电逆变电路的设计主要是将小型的光电源电池通过逆变电路转化为稳定的室电输出。

The invention relates to an air ion static determination and an air ion static determinator, comprising air ionization collector, electric charge weigh, control circuit, computer and software system supporting measurement and data recording processing, wherein the electric charge weigh is used to isolate the air ionization collector and the computer acquisition circuit, the computer can monitor the electric quantity on the collector plate electrode.

本发明涉及一种空气离子静态测定法及空气离子静态测定仪，计算机控制的可以在线连续监测空气离子浓度的电路设计和测量方法。测试系统由空气离子采集器、电荷秤、控制电路、计算机及其支持测量和数据记录处理的软件系统构成。电荷秤通过电―光转换、光―电转换起到了把空气离子采集器与计算机采集电路隔离的作用，使采集器上的电荷不会通过采集电路放电，计算机可以监测采集器极板上的带电量。

The intelligence motor soft starters partial hardware electric circuit has designed mainly includes the electric current, the voltage examination module, the crystal thyratron triggers and the pulse width enlargement electric circuit module, the numeral keyboard entry and the liquid crystal display output module.

设计了智能型电机软起动器的部分硬件电路，主要包括有电流、电压检测模块、晶闸管的触发及脉宽放大电路模块、数字键盘输入及液晶显示输出模块。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。