传感器

In practice, each sensor may have different observation dimension; that is to say, each sensor may make use of different model to observe the same target. In order to solve the above problem, by mapping among the state spaces, a nonequal dimension MAP estimate fusion algorithm between the output target estimate state and feedback is presented in this paper. Computer simulations show the effect of algorithm.

在实际中各传感器的观测信息维数不一致，也即各传感器可能采用不同的模型观测同一目标；为解决上述问题，通过建立状态映射，提出了输出目标估计状态之间维数不同情况下的带反馈极大验后估计融合方法，并通过计算机仿真验证了该算法的有效性。

A sort of image acquisition system of paper's number with CIS based on ARM and CPLD is introduced.A re-al-time approach is brought out to collecting high-speed image information and image pretreatment.This system is mainly designed of hardware,the collected CIS image signal is saved in the SDRAM(synchronous dynamic random access memory) through pretreatment of occulting output com-pensation,secondary filter,analog digital converter and binaryzation,getting ready for further image...

介绍了一种自行设计的基于 ARM 及 CPLD 技术，利用接触式图像传感器采集纸币号码的图像采集系统，提出了一种实时采集高速图像信息及图像预处理的方法；系统以硬件设计为主，采集到的 CIS 图像信号经过明暗输出补偿、二阶滤波、模数转换、二值化等前置调理，保存在同步动态内存中，供 ARM 作进一步图像处理；系统中 CIS 传感器的时序信号由 CPLD 设计，实验表明，采集到的二值化图像清晰；这项研究成果可以推广到证券、票据号码的录入系统以及其他相关领域的字符识别系统。

When the maglev train is running, the speed and position detection sensors are affected by the shake of the train and the joint of long stator track, also the size of the joint is different, which can badly affect the signal of the sensors in speed and position detection system. This can cause overcorrect or overvoltage protection in traction system and even can damage the traction equipment.

磁浮列车测速定位传感器在实际运行时，会受到列车震动和长定子轨道的接缝等影响，并且轨道接缝的尺寸也不相同，使得位置传感器在通过不同轨道接缝的时候产生不同的信号畸变，导致牵引设备过流或过压保护甚至烧毁。

The traditional transformer online monitoring system generally adopts oxygen carrier gas, chromatographic column. And the equipment is not simple with many shortages such as periodic calibration of chromatography column and sensor, low reliability of equipments and overelaborate detection procedure of gas composition.

由于变压器传统的在线监测系统一般采用色谱柱，需要消耗氧气和载气，而且色谱柱和传感器需定期标定，装置可靠性不高，检测气体成分过程繁琐，因此第6章根据比尔-朗伯特(Beer-Lambert)定律，按照光纤气体差分吸收的原理，设计了一套基于光纤气体传感器的变压器在线监测系统。

In order to study novel polyquinolines for their applications in the fields of electroluminescent devices and chemosensors, we synthesize polyquinolines containing phenylamine moiety for single-layer LEDs; moreover, we synthesize polyquinolines with different molecular structures to investigate their properties as fluorescent chemosensors.

本论文是以研究新型聚喹啉材料在电致发光和荧光传感器方面的应用为目的，将芳胺基元引入到聚喹啉主链上，以期使聚喹啉可用于单层电致发光器件中；同时通过合成不同分子结构的聚喹啉来考察其作为荧光传感器的性能和规律。

Based on this problem this paper designs this intellectualized rack used to dry clothes system. This system uses the signal gathered by DS18B20 temperature sensor, CHR01 humidity sensor and 5547 photoresistance sensor to put into the system processing core monolithic integrated circuit AT89S52. Whether to take back the clothes was determined by the current status of temperature, humidity and sunshine.

关于这个问题本文对智能晾衣架系统进行研究，运用DS18B20温度传感器、CHR01湿度传感器和5547光敏电阻采集到的信号传输给系统处理核心单片机AT89S52，根据当时的温湿度和光线的强弱判断晾衣架是否要收回。

This paper offers a design scheme using single chip microcomputer AT89S51 and periphery chip LM331, MAX7219, among which, the MCU is a instrument designed for gaining and controlling data from linear strain displacement sensor under constant voltage and presser sensor located at plank. It is pithily in structure and excellent in reliability.

文中介绍利用单片机AT89S51和外围芯片LM331、MAX7219的设计方案，其中微处理器单元是用来从恒电势的线性应变位移传感器和装在支架上的压力传感器的电信号中获取及处理数据的设备，安装在轻的铝合金外壳中，按用途需要设计而成，它结构简洁、可靠性高。

The integrated polyvinylidene difluoride piezoelectric pulse sensor is used to pick-up the pulse signals of examined person and turn to the electric signal under processing.

选用基于聚偏氟乙烯压电薄膜的集成化脉搏传感器把待检测对象的脉搏跳动转变成可处理的电信号，经过同相放大电路将传感器的微弱信号放大。

Light Addressable Potentiometric Sensorsis a sort of sensors based on semiconductor technique,so it may contribute to miniaturization and solve the problem.

光寻址电位传感器牗LAPS牘是基于半导体技术的传感器，因此可以做到小型化，较好的解决了此问题。

In order to provide fast authentication between two nodes in wireless sensor networks, an ID-based key predistribution scheme for wireless sensor networks is proposed.

为了在无线传感器网络中提供节点之间的快速认证，提出了一种基于ID的无线传感器网络密钥分配协议。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。