查询词典 sensor

The structure and the principle of pyroelectric infrared sensor was introduced,and the detail of key points in using the sensor was discussed.

引言红外辐射的物理本质是热辐射，它是由于物体内部分子的转动及振动而产生，其程度主要由物体的温度决定。

In this paper, based on the comparison between CMOS and CCD image sensor and according to the principles of photometry and radiometry, the imaging range formula of CMOS image sensor in space-based system for space targets is derived with detail analysis, considering the metric of Signal-to-Noise Ratio and taking deep space as background.

在对CMOS和CCD传感器进行对比的基础上，从信噪比的角度出发，以深空作为背景，根据光度学和辐射度学的基本原理，对基于CMOS图像传感器的天基空间目标监测系统的成像距离进行了详细分析和公式推导，并以STAR-1000 CMOS图像传感器为例验证了理论模型和计算公式的正确性，最后对进一步提高CMOS图像传感器成像距离的方法进行了简要分析。

A sort of strain sensor that is made of cycloidal stretch film piece and microbent modulation construction and a method of distributed optical fiber strain sensor by Optical Time-Domain Reflectometer are brought forward.

摘要提出了一种用圆形弹膜片和微弯调制机构进行应力传感，用光时域反射探测技术进行测量的分布式光纤应力传感方法。

Rotation sensor is an important branch of sensors and it is very crucial for systems to apperceive, acquire and detect information. In this paper, a photoelectric regular polyhedron rotation sensor was designed for the fine measurement of the rotator's speed.

本文所研究的光电式正多面体转速传感器，是针对于回转物体的转速进行高精度测量的一种装置，它可以将回转物体的角速度信息转换成电脉冲信号，并进行测量显示。

An integral sensor is included but the SCA can operate through a remote mounted sensor as well.

设备中有完整的传感器，也可以通过远程安装的传感器操作。

Different materials influencing the high frequency resonant character of sensor and the match between sensor and communication system are made.

本文研究了几何尺寸对传感器性能的影响，和在不同支撑材料下传感器的高频谐振特性，这些研究有利于传感器的改进工作。

After short introdution about the mathematics model of the semiconductor pressure sensor, it was described that was the holistic design thought of the sensor which reserched into, from the format design, the separated retia slice, sensitive orgen of strucsure and the overall design thought for stucsure point of design.

在简要介绍了半导体压力传感器的数学模型后，从版图、隔离膜片、敏感元件的结构、整体结构等方面的设计，阐述了对所研制的传感器的整体设计思想。

Is a mass series production of automotive sensor and automotive devices specialized low-temperature start-up enterprises, the introduction of Germany core technology to produce low-temperature start-up automotive devices, isothermal section, and Fan Motor Dual temperature switch, oil pressure alarm switches, temperature sensors, reversing lamp switch, oxygen sensor, etc., series of more than forty kinds of products.

济南鲁德极光汽车零部件有限公司是生产大众系列汽车传感器及汽车低温起动装置的专业化企业，引进德国核心技术生产汽车低温起动装置、节温器、风扇电机双温开关、油压报警开关、温度传感器、倒车灯开关、氧传感器等七大系列四十余种产品。

The shaker includes a dual mass flywheel and the rotate and pendulum driven mechanism; in the rotate and pendulum driven mechanism, the rotary cylinder body of the rotatable hydraulic rotary cylinder (8) is connected with the sub flywheel (15) connecting with the main flywheel (13) and a rotary cylinder shaft (4) at the same side through a transmission sleeve (11) connecting to the rotary cylinder right end cover (9); a torsional transducer (10) and a turbulence iron core of an angular sensor (12) are arranged on the sub flywheel shaft, a winding of the angular sensor is positioned on the transmission sleeve fixedly connected with the main flywheel.

该激振器包括双质量飞轮及其旋转和扭摆驱动机构；所述旋转和扭摆驱动机构，其旋转液压摆缸(8)的摆缸体通过与摆缸右端盖(9)相连的传动套(11)，在同侧与主飞轮(13)和与摆缸轴(4)相连的次飞轮(15)相连接；扭矩传感器(10)及摆角传感器(12)的扰流铁芯装在次飞轮的轴上，摆角传感器的线圈装在与主飞轮固连的传动套上。

AT89C51 single-chip microcomputer is used as the test and control core of the intelligent robot in this design,which detects the black line and barrier on the surface of road with infrared photoelectric sensor,and detects iron piece beneath the surface of road with metal sensor,and measures range with photoelectric yard measure,tests and judges the garage position with photoresistor,and also dynamically controls rotating direction and speed of motor by PWM(Pulse-Width Modulation) technique.

本设计以AT89C51单片机作为智能机器人的检测和控制核心，采用红外光电传感器检测路面黑线及障碍物，使用金属传感器检测路面下金属铁片，应用光电码盘测距，用光敏电阻检测、判断车库位置，利用PWM技术动态控制电动机的转动方向和转速。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。