和电路

A control device (14) includes means for outputting a request signal to an electornic key (12) in response to the ON operation of a predetermined switch start switch (70 among a plurality of switches (winker switch, horn switch, etc.) arranged in the vicinity of a user who has sat on the driver seat of the vehicle (100B) request signal generation means (80, a transmission circuit (46), and a transmission antenna (72), means for detecting a response signal from the electronic key (12) a reception circuit (44 and response signal matching means (82), and monitoring means (84) for outputting a lock release instruction to a actuator (64) when the response signal shows that the request is from a regular user.

要约 一种控制装置(14)包括：响应安置在坐在车辆(100B)的驾驶员座位上的用户附近中的多个开关(方向灯开关、喇叭开关等)的预定开关启动开关(70的ON操作而将请求信号输出到电子密钥(12)的装置请求信号产生装置(80传输电路(46)和传输天线(72)；用于检测来自电子密钥(12)的响应信号的装置接收电路(44、和响应信号匹配装置(82)；以及用于当响应信号显示请求是来自正常的用户时将锁定释放指令输出到执行器(64)的监测装置(84)。

This paper presents the fundamental principles and formative charts of the intellectualized dummy antitheft net system, explains in detail the methods of linking the telephone network, the infrared sense organ and the sound circuit, and finally provides some circuit charts and some software flow charts.

系统地介绍了智能虚拟防盗网系统的基本原理、组成框图，对电话网络的接入方法和热释电红外传感器、语音电路等进行了阐述，并给出了部分基本电路和软件流程。

For carrying out a small physical volume and high reliability of the motor driving and control,by using HIP4081 chip and ALN hybrid integrated technology,a hybrid integrated technology H bridge circuit based on HIP4081 is designed to control bidirectional circumrotation and speed regulation of the motor.

摘 要：为了实现小体积、高可靠的电机驱动与控制，利用HIP4081专用芯片和ALN厚膜混合集成技术，设计一种基于HIP4081的厚膜H桥电机驱动电路，完成了H桥式驱动电路对电机双向转动和调速的控制。

By practical application,the bidirectional circumrotation/speed adjustment of motor are realized safely and reliably.The products has a small physical volume,fast heat transmission,high efficiency and can operate properly in severe environment.It can enhance the reliability of the drive circuit and the system,and adapt to both military and commercial usage.

经实际应用，该电路不仅安全可靠地实现了电机的双向转动和调速功能，且产品体积小，导热性能好，效率高；还能在恶劣的使用环境下安全工作，提高了驱动电路和系统的可靠性，适合军、民两用。

It describes detailedly the working mode of the jointless track circuit, the received theory of inductor and the installation requests too.

论文介绍了轨道电路工作原理和分类，并详细描述了无绝缘轨道电路的工作方式和接收线圈的工作原理以及其安装要求。

Especially, with the improvement on microelectronic integrating technique and the development of hegh-speed electronic devices in the recent decade, the rise time and width of working pulses have been reduced to the ps range in high-speed digital circuits. In such fast pulses there are microwave and even milliwave components, so analysis of the time-domain response of multiconductor tuansmission lines used as interconnects in high-speed integrated circuits must be performed to ensure the normal working state, Much research work has been done and many analysis methods have been developed.

近十年来随着微电子集成工艺技术的提高和高速电子器件的发展，高速数字电路的工作速度提高迅速，脉冲信号的上升时间和宽度已缩短至ps量级，对应的频谱已进入微波甚至毫米波波段，这种情形下对信号连接线的时域响应加以分析就成为保证高速电路正常工作的必要环节。

Aiming at a class of complex electromechanical systems, such as 4-high or multi-high cold mills and continual mills, we firstly construct mathematical models of every subsystems by means of structural principle modeling method; nextly, get the overall mathematical model of electromechanical drive system by joining together these subsystems'models according to coupling variables and parameters; we finally simplify the overall model according to time-scale principle which can retain main eigenvalues and significant state variables, and obtain a practical mathematical model of complex electromechanical system. By simulating the CM04 temper mill's model constructed by above-mentioned method, we test and verify that the modeling method is effective and practical. The study analyzes and researches the electromechanical coupling facts and acting laws existing in complex electromechanical system.

提出了系统的总体测试方案，设计了高保真度的信号隔离和缓冲器，解决了从大功率、大电流复杂机电系统主回路中提取真实谐波分量、而又能不影响系统正常运行的难题；发现了谐波电流对平整机工作状态的影响规律；确认谐波电流是可能引起平整机工况奇异、产生机电耦合振动、导致带材产品表面出现明暗振纹的一个因素；提出了一种多相整流电路谐波电流的分析计算方法，用该方法对平整机三相桥式整流供电电路的谐波分量进行了理论分析和计算，计算结果与实测结果能得到相互验证，说明该方法是可行的，实测结果是可靠的。

Harmonic problems in the power system of electric power pulsive shipping are discussed in this articl.

本文对电力推进船舶电网的谐波问题进行了深入的研究。首先对船舶电气进行了分类和归纳，研究了谐波对船舶电气产生的影响和危害；对于不同的电路拓扑结构，尤其以用电设备交流侧电路结构的不同，深入分析了各自谐波产生的原因、谐波的特点。

ATbstract: he small frequency modulated transmitter, the power is small, may launch the wireless signal, accepts the signal with the radio, satisfies certain transmission range, Circuit easy system, low cost, power output does not exceed 5-8 mW, firing range to be in the housing area of about 100 meters, with an ordinary FM radio receivers, demonstrating his superb sensitivity and clarity, the most circuit design challenges of the part is only used 3 V power supply, and half-wave antenna will be such a launch capability.simultaneously can input the sound signal, may install modulation surveillance table to serve as the monitoring device, although the power is not very big, but should the interference protection normal radiobroadcasting signal.

小型调频发射机，功率小，可以发射无线信号，用收音机接受信号，满足一定的发射距离。电路简单易制，造价低廉，输出功率不超过5－8mW，发射范围在房屋区可至100米左右，用一部普通的FM收音机接收，显示其灵敏度和清晰度俱佳，电路设计中最富挑战性的部份就是只需用3V电源和半波天线便有如此的发射能力。同时能够输入声音信号，可安装调制监视表头用作监视器，虽然功率不是很大，但是应该防止干扰正常的无线广播信号。

Arbitrary waveform generator is widely used in experiment and practical work as signal sourer. Apply the HSO function of 8OC198KC MCU to generate PWM waveform, then use the PWM to compose arbitrary waveform. The concrete hardware control circuit and the software realization method are presented. Then take the three-phase SPWM waveform generator for example, pot forward the application circuit and show the result of test. Experiment shows that the waveform distortion of sine, triangle and sawtooth is small and the operation is simple. The performance is high.

任意波形发生器作为信号源，在实验教学和实际工作中有着广泛的应用；应用Intel公司80C196KC单片机的HSO功能产生PWM波形，再由FWM波合成频率在20~100Hz之间的任意波形；设计了具体的硬件控制电路和详细的软件实现方法，并以三相SPWM波形发生器为例，给出了实际应用电路及其测试结果；实验结果表明，该波形发生器产生的三相正弦波，三角波、锯齿波失真度小，操作简单，直观，性能价格比高。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。