控制信号

H. Using smoking signal lashing at the hand rail of each accommodation ladder and connecting the start up ring to the bridge by rope.

用烟雾信号绑在生活区外楼梯的栏杆上，将烟雾信号的启动板机用绳连接到驾驶台集中控制。

This thesis discusses mainly the hardware design and development of a simulator for airborn phase array radar. The long period of the simulator is implemented by SDRAM MODULES used in Personal Computer, the broadband is implemented by D/A with internal double-data-channel switching architecture, and the control is implemented by a single CPLD.

本文主要探讨了一种机载相控阵雷达回波模拟器的硬件设计和工程实现，采用了PC机内存常用的超大容量高速缓存SDRAM MODULES来实现输出信号的长周期，采用内部具有双路数据分时切换结构的D/A实现输出信号的宽带，采用一片CPLD完成整个系统的时序逻辑控制。

The system adopted active tracking,namely calculate the input angle of the tracking device in advance,the angle is correspondent to the sun position some moment.Photoelectric sensors react the sunlight that putting on different position of the platform, feedback electrical signal.Then single-chip applys the subprogram and sends out pulse to step motors according to the signals,can control the rotate angle and direction of the step motor. The mechanism has realized the automatic track to the sun, so that the trackers top flat board can be always vertical to the sunlight and arrive the furthest receiving energy.

系统采用主动式跟踪，即预先计算好对应于某时刻太阳位置的跟踪机构的输入角度，通过跟踪器上平台不同位置上摆放的光电传感器感受该太阳位置的光照，反馈回电信号，单片机根据该信号调用子程序发出脉冲对步进电动机的转动角度和方向进行控制，实现了机构对太阳的自动跟踪，使跟踪装置的上平台始终处于垂直于光照方向，达到了能量最大限度的接收。

In order to ensure all intermediate frequency signals to be progressed, our system also gets an automatic gain by a sampling circuit.

为提高输入信号的动态范围，本系统采用高增益放大器和自动增益控制等电路进行数据转换前的信号调理工作。

According to the principle of energy conversion and conservation in fuel combustion, the study is made to automatically control boiler combustion and to supervise boiler thermal efficiency real time on line. Representing fuel caloricity signal and on line thermal efficiency signal with the flame parameter, the combustion automatic control system has been successfully put into operation.

引 言在电力工业生产中，发电厂锅炉消耗大量的燃料，如何提高锅炉运行效率以节约能源，是人们长期力求解决的课题，从燃料燃烧的能量转换和守恒原理出发，对锅炉燃烧自动控制系统和锅炉热效率在线实时监测进行了一系列的探讨，找到了一个用火焰参数代表燃料发热量的能量信号和在线热效率信号。

Nthe environmental products group, comprising elgin sweeper company,jeststream of houston, vactor manufacturing inc., guzzler manufacturing inc.and ravo b.v., manufactures and markets worldwide a full range of street and parking lot sweeping, high-performance water-blasting equipment, municipal sewer and catch basin cleaning vehicles, industrial vacuuming and refuse trucks.

联邦信号旗下有四大集团：环境产品集团、安全产品集团、工具集团以及消防产品集团，是生产安全产品、信号和通信设备、消防产品、扫路车、垃圾车、高性能冲洗设备、停车控制设备、碳化超硬切削刀具、精密冲压机和塑胶注模配件等的制造商和全球供应商。

The influence of the lagging characteristics of CVT ratio control on the drivability and fuel economy of the automobile were studied.Based on the routine control strategy,the rotate speed signals of the secondary pulley were corrected, the algorithms of the objective ratio were perfected, and the departure of the engine operation from the optimal operation line was decreased.

分析了金属带式无级变速器速比控制的滞后特性对汽车燃料经济性和驾驶性能的影响，在常规控制策略的基础上，增加了对从动轮转速信号的修正，完善了目标速比控制算法，以减小发动机工作点相对最佳经济工作路线的偏离程度。

On the basis of the system of signal control theory at cross roundabout, the optimization of control method based on the dissymmetry of roundabout at coordinated control system is put forward. This new method takes the equilibrium of saturation-degree as a target and optimizes the phase model and the green ratio model.

在已建立的十字环形交叉口信号控制理论的基础上，通过分析十字环形交叉口的车辆运行特征，提出基于非对称性的优化控制理论，同时建立非对称控制相位确定方法、非对称绿灯时间模型以及优化绿灯时间的计算方法。

This paper adopts a measurement project to track the measurement reflector mirror without orbit by theoretical analyzing and simulant experiment.

作者基于这一想法研究设计了一套涉及光学、精密机械、电子、计算机和自动控制等多学科技术的测量方案，建立了以光电池为光斑位置信号接收传感器，采用ADuC812数据采集芯片进行数据采集和控制的测量控制系统，通过跟踪测量实验验证了这种方法的可行性。

The thesis is mainly concerned with the digital control of the commander panoramic sight based on high performance Digital Signal Processor and Active Disturbance Rejection Control technique with fiber optical gyro to improve it's deficiency.

车长周视镜是坦克火控系统的重要组成部分，针对现有的车长周视镜稳定瞄准控制系统的不足，本课题采用高性能数字信号处理器结合自抗扰控制技术和教研室自行研制的低成本、数字化开环光纤陀螺对车长周视镜稳定瞄准控制系统进行数字化改造。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。