查询词典 filter circuit

All parts of the circuit were analyzed in detail, the parameters of some circuit were calculated, the control-circuit of bird dispeller at airport was simulated by the software of Multisim to verify the feasibility of the circuit.

本设计对机场鸟类驱赶器的各个电路进行了详尽的分析，对部分电路的参数进行了计算，并通过Multisim软件对机场鸟类驱赶器的控制电路进行了仿真，以验证电路的可行性。

The thesis focuses on the circuit design and parameter selection, including the power circuit, control circuit and drive circuit of the front-end converter. Apart from that, for the load-end converter, the design and critical components selection of the traditional full-wave rectification and synchronous rectification are presented.

本文设计和确定电路的各种参数，包括前端变换器的功率电路、控制电路和驱动电路，对于负载变换器则给出了普通全波整流和同步整流的滤波器设计和一些关键器件的选择。

As for the computer engineering design chain, the human-computer dialogue has been with the console layer design, hardware and software interlock circuit design, the implementation of circuit design, other design is what we need to complete the work For example, if the interface circuit, inter-market linkages as well as the code of the circuit, such as the outdoor part of the design of hardware circuits and wiring.

而对于计算机联锁工程设计来说，人机对话层已经含控制台设计、联锁电路软硬件的设计、执行电路的设计，其它的设计才是我们需要完成的工作，例如如接口电路、场间联系、电码化电路以及室外部分等硬件电路和配线设计。

This course will cover: fundamental electrical circuit quantities, and circuit elements; circuits laws (Ohm law and Kirchhoff voltage and current laws); series and parallel connections of circuit elements; operational amplifiers; network theorems; nodal and mesh analysis methods; analysis of natural, step response, and response to sinusoidal input of first and second order circuits; phasor analysis; introduction to computer emulation to electrical circuit.

中文简介：本课程将覆盖以下内容：电子电路的基本原理，电路元件，基本电路定律(欧姆定律，基尔霍夫电压定律和基尔霍夫电流定律)；电子元器件的的串连和并联；运算放大器；网络理论；节点分析法和网孔分析法；一阶电路和二阶电路的普通信号，阶跃信号及单音信号的响应特性的分析；矢量分析法；并介绍计算机电路仿真的相关知识。

Regarding humidity sensor as the core, the humidity measurement circuit of the humidity transducer is made up of nor gate circuit or 555 circuit and the output-circuit of it is made of operational amplifier, OP295 and BD237 in order to realize 4~20 mA current output.

湿度变送器以湿敏元件为核心，利用或非门电路或者555电路构成检测电路，利用运算放大器OP295和BD237构成输出电路，实现4~20 mA电流输出。

They are ring detection, off-hook control, dual-tone multi- frequencies integrated circuit, decodes and lock, controlled extension processing circuit, bell simulation circuit, and busy-tone checking circuit.

交换机主要由铃流检测、摘机控制、双音频DTMF识别、译码锁存、控制分机接通电路、模拟铃音电路、忙音检测电路7模块组成。

The invention discloses a method to integrate single CMOS with bulk silicon microelectromechanical system, its technical project: 1 forming isolating groove: adopting deep-groove etching, and SiO2 and polycrystal silicon filling to realize the insulation of MEMS structure and CMOS circuit; 2 making standard CMOS circuit; 3 using SiO2 and Si3N4 as mask, etching silicon on the back until exposing SiO2 at the bottom of the isolating groove, to complete the thickness control for MEMS silicon structure layer; 4 completing metalizing the CMOS circuit and masking the MEMS structure: MEMS structure region uses Al as mask and CMOS circuit region uses thick photoetching glue as mask, using DRIE to release silicon structure.

本发明公开了一种将单片CMOS与体硅微机械系统集成的方法，其技术方案为：1形成隔离槽：采用深槽刻蚀，SiO 2 和多晶硅填充，实现MEMS结构和CMOS电路的绝缘；2完成隔离槽后进行标准CMOS电路的加工；3用SiO 2 和Si 3 N 4 作掩膜，从背面腐蚀硅，直至暴露出隔离槽底部的SiO 2 ，完成MEMS硅结构层的厚度控制；4完成CMOS电路金属化和MEMS结构掩膜：MEMS结构区用铝作掩膜，CMOS电路区用厚光刻胶作掩膜，用DRIE释放硅结构。用本发明方法不仅获得了较大的质量块，而且用本发明较高的深宽比制作出的结构电容，同时实现了体硅微机械与CMOS电路的集成，显著提高MEMS传感器的精度和稳定性，具有前沿性和重要实用价值。

The gyroscope is the key device for stabilizing, scanning and tracking in the seeker. The work mechanism of the gyroscope in the seeker is illustrated detailedly through analyzing the PL-2 missile seeker"s structure. The gyroscope electric circuit, including the gyroscope"s driver circuit, the gyro shaft position detecting circuit and the gyroscope"s precessional 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，包括陀螺驱动电路、陀螺轴位置检测电路和陀螺进动电路，并得到了实验验证，效果良好。

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。

A method for decreasing energy consumption includes obtaining relevant configuration parameter from system master control unit by user circuit management unit when device is started up and dynamically controlling operation mode of user circuit by user circuit management unit according to relevant configuration parameter as per preset configuration requirement when cyclic-scanning of user circuit is executed.

本发明提供了一种通过动态控制用户电路的工作模式来降低能耗的方法和系统，其中，该方法可以包括以下步骤：步骤一、当设备启动或相关配置参数发生更改时，用户电路管理单元从系统主控单元获取相关配置参数；以及步骤二、当执行用户电路的周期扫描时，用户电路管理单元按照预定配置要求，根据相关配置参数来动态控制用户电路的工作模式。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。