pyroelectric

Laser beam type thermal detector Pyroelectric detector is actually a sensor sensitive to temperature.

激光光束型感温推测器热释电型探测器实际是一种对温度敏感的传感器。

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The utility model relates to a device used to measure the pyroelectric coefficient.

本实用新型涉及一种测量热释电系数的装置.

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The ferroelectric thin films had good crystallization behaviour, excellent dielectric and pyroelectric properties.

该类铁电薄膜具有良好的结晶特性 、 优异的介电和热释电性能.

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The dielectric constant, pyroelectric coefficient, thickness extension vibration electromechanical coupling factor and their temperature dependence are investigated.

研究了它们的介电常数，热电系数，厚度伸缩振动机电耦合系数及其温度依赖性。

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A new kind of the practical IR colorimeter using LiTaO 3 pyroelectric detector is presented.

文中介绍了一种利用钽酸锂热释电探测器作光电转换器件实现的实用化比色测温仪.

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TGS pyroelectric thermal image instrument and computer data processing system;

采用TGS热释电热像仪与计算机配合的数据读出及处理系统；

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Results: After being turned on and polarizing the faceplate, the television screen can display the target's stable and permanent pyroelectric radiant image immediately.

结果：开机，经靶面极化后，电视屏幕就能很快地显示目标物体的稳定和连续的热辐射图象。

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Pyroelectric detector is actually a sensor sensitive to temperature.

摘要热释电型探测器实际是一种对温度敏感的传感器.

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Thin-film ZnO pyroelectric sensors use the pyroelectric effect to convert temperature variation to corresponding electrical signal.

焦电薄膜感测器是以温度变化产生焦电讯号.

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Near the transition temperature, a thermal hysteresis was found in dielectric, pyroelectric and piezoelectric measurements.

在相变温度区域里, 介电 、 热电和压电都有明显的热滞效应,具有一级相变特性.

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Study on the Temperature Stability of the Pyroelectric Sensors

热释电传感器温度稳定性的研究

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The thermal hysteresis of the transition is about70K, in agreement with that obtained from the dielectric and pyroelectric measurements.

该相变的热滞约为70K，与介电及热电测量所得结果基本一致。

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The electric charge injection is necessary to enhance pyroelectric coefficient of composite.

电荷注入机制是制成高的纯熟释电系数复合材料的必需条件.

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It is constituted with pyroelectric infrared sensor, telephone and detecting circuit.

该系统由热释电红外传感器 、 电话和检控电路组成.

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Our results reveal that high pyroelectric property of BST thin film could be achievable using inverted cylindrical RF sputtering with high target self-bias voltage.

研究结果表明，利用倒筒式射频溅射方法，适当提高自偏压，可以制备出热释电性能优良的BST薄膜。

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Investigation on the Relationship between Structure and Pyroelectric Nature for Polar Crystals with Large Plane Rings

大平面环极性晶体的结构与热释电性能关系的研究

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This sensor combines the property of a thermistor and a pyroelectric sensor.

该传感器兼有热敏电阻和热电传感器的特性。

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An application to mineral separation engineering is introduced of the pyroelectric infrared transducer and the system of Intelligent speech production.

介绍一种以热释电红外传感器为检测部件，结合智能语音合成系统在选矿工程中的应用。

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In this paper, An automatic measuring system for pyroelectric coefficient has been set up.

本文作者建立并完善了一套铁电体热释电自动测试系统.

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Near the transition temperature, a thermal hysteresis was found in dielectric, pyroelectric and piezoelectric measurements. Thus the transition should be of the first order transition.

在相变温度区域里，介电、热电和压电都有明显的热滞效应，具有一级相变特性。

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The discovery of pyroelectric effect is a base for laser and infrared detector.

热释电效应的发现,为激光和红外探测的应用奠定了良好的基础.

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And the samples can provide an electric energy output at a constant temperature of 500 ℃, which cannot be explained by the known thermoelectric or pyroelectric effect.

并且样品在500℃的恒定温度下有稳定的电能输出，这种现象用现有的温差电效应和热（释）电效应理论都不能解释。

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Application of the Pyroelectric Infrared Transducer and Speech Alarm System to the Mineral Separation Engineering

红外传感器及语音警示系统在选矿工程中的应用

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And, the main source of the noise on the pyroelectric detector is the temperature noise, and when the temperature of the surrounding falls, it reduces much.

另外，热释电探测器的温度噪声是主要噪声源，其大小随环境温度的降低而大大减小。

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The growth conditions and dielectric as well as pyroelectric properties of TGSe are reported.

还报导了TGSe优质单晶的生长条件和它的介电、热电性能.

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The pyroelectric effect of polyvinylidene fluoride ( PVDF ) has great influence on the PVDF pressure transducer sensitivity.

聚偏氟乙烯 ( PVDF ) 压电薄膜的热电效应对PVDF压力 传感器的输出灵敏度影响较大.

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An application of pyroelectric detector on 10.6 μ m terrestrial co_2 laser communication system

热释电红外探测器在10.6微米CO2激光通信机中的应用

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Using heat balance equation and the feature of television scanning, singal transfer functions in panning and chopping modes of the pyroelectric vidicon was given in this paper.

运用热平衡方程，结合电视扫描的特点，给出了热释电视像管在平移工作方式和对称调制工作方式时的信号传递函数。

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The dielectric permittivity and pyroelectric coefficient of Tb-modif ied Sr 0.61 Ba 0.39 Nb 2 O 6 crystals were measured.

用铽改性SBN晶体能有效地改善晶体的性质.实验测量了铽改性Sr0.61Ba0.39Nb2O6晶体的电容率和热电系数.

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The influence of thermal insulation layer of multilayer pyroelectric thin film infrared detector on temperature distribution is analyzed and its performance compared with that of micro-bridge structure.

分析了复合热释电薄膜红外探测器的绝热层对温度场的影响，并将复合热释电薄膜红外探测器与微桥结构探测器的性能进行了比较。

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