| 1. | Pb8400 series silicon pressuer transmitters use the sensor elements with high acuracy , staility and measure the pressure of the liquid or gas the level of the liquid , then change into420maelectric signal
用于测量液体或气体的压力及各种液体的液位，并把压力或液位转换成标准电信号的现场远传压力及液位测量仪表。 |
| 2. | Pb8300 series slries silicon pressure transmitters use the sensor elements with high accuracy , stability and reliability and measure the pressure of the liquid or gas or the level of the liquid , then change into 420ma electric signal
用于测量液体或气体的压力及各种液体的液位，并把压力或液位转换成标准电信号的现场远传压力及液位测量仪表。 |
| 3. | The optimum is obtained after computing and the optimization result indicates that the method is efficient to optimize the elastic element structure . so it could be applied extensively in the engineering of the sensor element optimization design
优化结果表明该方法对传感器的弹性元件结构起到很好的优化效果，该方法可广泛应用于传感器弹性元件的优化设计工程。 |
| 4. | For such calibrations it is necessary that the sensor element be mounted and sealed in a glass sheath so that the distance from the tip of the element to the bottom of the head of the thermometer is at least 450 mm , and the diameter of the glass sheath should not be greater than 8 mm
进行上述校正时，感温元件必须装于及密封于一玻璃套内，而该感温元件的尖端与温度计把手部份的底部最少距离450毫米，该玻璃套的直径不得超过8毫米。 |
| 5. | Pb8200 series silicon presure transmitters use the sensor elements wih high accuracy , stability and reliability and measure the pressure of the liquid or gas or the level of the liquid , then change into 420ma electric signal
Pb8200系列扩散硅式压力变送器选用了高精度高稳定性和高可靠性的扩散硅压力传感器，外形小巧，主要用于测量液体气体的压力及各种液体的液位，并把压力信号转换成420ma或15v等电信号，是一种现场远传压力测量仪表。 |
| 6. | Then , a micro - machined array of optical pressure sensor has been discussed ; each sensor element in the array consists of a fabry - perot etalon fabricated from single - crystal silicon ; sensor ' s performance has been increased through improved the structure , and can makeup the arrays which be suitable for the smart - skin
其次，本文对一种传统的法布里一帕罗标准具型光纤压力传感器(该传感器阵列的每一单元均由单晶硅制造而成的法布里一怕罗标准具组成)进行了结构设计和性能分析。 |
| 7. | Optical gains as large as one million are used to achieve the high sensitivities required in current electro - optical sensors . these large optical gains make the detector the most susceptible sensor element to laser damage . people concerns that the influence to the quality of ccd camera image under laser irradiation , the laser - induced threshold of ccd detector and the evaluation of laser - induced effects
光电探测器具有极强的目标探测能力，而激光具有极高的亮度；因而各类光电装备的光电探测器成为国外发达国家正在大力发展激光武器系统的首要攻击目标，激光对探测器的干扰与损伤程度如何、受干扰后能否继续正常工作、何时达到损伤阈值以及如何对干扰效果做出客观评价是人们非常关心的问题。 |
| 8. | Pb8500 series silicon pressure transmitters are high medium temperature industrial pressure transmitters , which use the sensor elements with high accuracy , stability and reliability . the products are the scene remote measuement metres that measure the pressure of he liquid or gas or the level of the liquid in the high temperature , then change into standard electric signal
其测量介质温度可高达125 。选用高精度高稳定性和高可靠性的扩散硅压力传感元件。用于测量液体或气体的压力及各种液体的液位，并把压力或液位转换成标准电信号的现场远传压力及液位测量仪表。 |
| 9. | Based on an amplified spontaneous emission ( ase ) source , a ring - cavity fiber laser , in which sensor element acted as the reflector of the cavity , was achieved with high - signal noise ratio ( snr ) and high - power . it was demonstrated that the output power was maximum , when output coupler ratio of the coupler was seventy percent
实验证实耦合器的输出耦合比选为某一个最佳值70 ，当980nm泵光工作电流为50ma时，其输出功率达3 . 5mw ，且输出激光波长与作为反射镜的光纤光栅中心波长相同。 |
| 10. | And the interfaces have analog input , analog output and digital input / output . we have used differently cards , such as pc - 6330d a / d card , pcl - 728 d / a card based isa bus , ipc - 5375 i / o card and so on . in addition , we select micro - stir switches and pressure sensors as sensor elements to inspect the system and choose relays and induction valves to control the bicycle pump and the motor
总线采用isa内部总线；接口主要有模拟量输入接口、模拟量输出接口、开关量输入输出接口等，课题分别选用pc - 6330d型a d板卡、基于isa总线的型号为pcl - 728的d a板卡、型号为ipc - 5375的i o板卡；另外，课题选用了微动式行程开关、压力变送器作为传感元件检测系统，选用继电器、电磁控制换向阀实现对气缸、电机的控制；采用vc + + 6 . 0编制控制软件，实现了纤维铺放技术的计算机控制。 |
