控制信号

The function of integrated analog circuits realized with CPLD is discussed. Two methods of controlling the pulse width of monostable trigger are studied. One is realizing monostable trigger with external RC , the other is controlling the pulse width with external signal.

对用可编程逻辑器件技术实现模拟集成电路的功能进行了探讨，研究了实现单稳态触发器脉冲宽度控制的两种方法：用外接RC的单稳态触发器；用外部信号控制脉宽。

The standards specify several types of end user access circuits, each of which involves one or more B channels and one D channel. The B channels are for circuit-switched user communications, and the D channels are primarily for signaling and control (e.g., on-hook and off-hook signaling, ringing signals, performance monitoring, synchronization and error control).

该标准详细列出了几种终端用户电路类型，每一种类型包含一个或多个B信道以及1个D信道。B信道用于电路交换用户通信，D信道主要用于信令和控制（例如挂和摘机机信令、振铃信号、性能监控、同步以及错误控制）。

Simulation results show that the proposed control strategy can adapt to the changes of hysteretic characteristics of the GMA under different mechanical loads or input signals, on-line obtain inverse hysteresis model of the GMA, thus eliminate the hysteretic impact and achieve the precision control of the GMA.

仿真结果表明该控制策略能适应GMA滞回特性随机械负载、输入信号的变化，在线建立GMA的滞回逆模型，从而消除滞回非线性的影响，实现GMA的精密控制。

According to the principle of gear modification, this paper presented a new method, which determines the modification of spur gear using the dynamic system identification and optimum control theory.

摘 要：提出了一种利用动态系统辨识与最优控制理论相结合确定齿轮修形量的方法：在实际工况下，通过实验采集直齿轮传动系统实际动态信号进行系统辨识，然后求取系统的最优控制，将其转换为振动最小的修形量。

However, the use of AT89C51 single-chip microcomputer as the core, with the temperature sensor, signal processing circuit, display circuit, the output control circuit, fault alarm circuitry and other components of the control system can solve this problem.

但是利用AT89C51 单片机为核心，配合温度传感器，信号处理电路，显示电路，输出控制电路，故障报警电路等组成的控制系统却能解决这个问题。

This dissertation researches the oversaturated control strategy in above mentioned background. The research structure follows the logic of "system model construction→control algorithm design→conclusion derivation" with sufficient simulation data analysis.

本文在这一大的研究背景下，遵从系统建模→算法设计→结论推导的研究思路，采用仿真建模与控制建模一体化的方法，依托于详实的数据分析，对路网过饱和状态的信号控制策略进行了深入研究。

In order to make the biomimetic robotic fish control its motion and posture with sensory information autonomously,an artificial central pattern generatorcontroller consisting of four neural oscillators with sensory information feedback is designed in this paper~ This controller can generate rhythm instructions to drive two pectoral fins and a tail fin flapping repeatedly.

采用的控制模型由4个振荡器构成，可根据反馈的信息产生节律信号以控制机器鱼胸鳍和尾鳍的运动。

The pharos is controlled by reliable program. Working status data is collected in real time. A two-stage amplifier is used to sense the current signal. VHF transmitter-receiver is used as the means of communication, which is working at 233. 3MHZ. GPS data is collected to calculate the latitude and longitude valued of the pharos. Sleep mode is used to reduce the energy consumption. Auto alarm function and watch dog function are integrated to maintain its stability and reliability.

在用高性能8位处理器68HC908SR12设计的新型遥控遥测航标灯中，充分利用了处理器的功能，实现了对灯器的程序化控制，实时进行数据采集，采用了两级放大器对电流信号进行放大，采用VHF电台进行远程通信，对GPS定位数据进行采集和处理，为了降低功耗实现了定时和睡眠控制，为保证工作稳定性和可靠性，启动了故障处理、自动报警功能，以及看门狗功能。

Also. the phase difference between response vector and control vector could be obtained through the algorithm. As a result, the important base is established for the phase-shift vibration control of intelligent structure.

同时，矢量算法还可以得到响应信号矢量与控制矢量之间的相位差，为结构振动的移相控制奠定了重要基础。

The system makes use of the high-speed synchronous shoot and digital image processing technique to make the presswork figure redisplay stationary in the display apparatus.

本系统采用高速高精度的工业彩色CCD摄像机，在横向移动扫描装置和纵向扫描控制算法以及同步发生装置和同步瞬态采集方法的控制下，实时地摄取印刷品图像，并将视频信号输入到彩色图像采集卡。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。