3) noise equivalent temperature difference
噪声等效温差
1.
Both the mathematical mode of noise equivalent temperature difference(NETD) and the noise equivalent eradiation difference(NEED) are established for micro thermal imaging systems.
研究了显微热成像系统的噪声等效温差(NETD)和噪声等效辐射率差(NEED)模型,分析了显微热成像与望远模式热成像的差异。
2.
Based on the theoretical analysis of a microbolometer,the relationship of the bias voltage with noise,noise equivalent temperature difference(NETD) and detectivity D~* was discussed by a numerical calculation method.
在微测辐射热计理论分析的基础上,利用数值计算的方法讨论了偏置电压与噪声、噪声等效温差(NETD)及探测率D*性能参数的关系,确定了微测辐射热计最佳偏置电压范围在1。
3.
The relation between the response characteristics and operating temperature of α-Si focal plane array detector was studied by means of formulae of its noise equivalent temperature difference(NETD) and detectivity.
从非晶硅焦平面阵列探测器噪声等效温差和探测率的计算公式入手,分析了非晶硅焦平面阵列探测器响应特性与工作温度的关系。
4) NETD
等效噪声温差
1.
An operating range equation of IR systems expressed by NETD was deduced, starting from a general equation for operating range of IR systems and definition of the noise-equivalent temperature difference.
从红外系统作用距离的普遍方程和等效噪声温差的定义出发,推导出用NETD表达的红外系统作用距离方程。
5) NETD
噪声等效温差
1.
Influence and Analysis of Parameters Set on NETD Test
参数设置对噪声等效温差(NETD)测试影响分析
2.
Inner circuit and noise equivalent temperature difference (NETD) of the a-Si FPA were analyzed and the equation of NETD was deduced at length.
本文根据对a-Si微测辐射热计焦平面内部的微观电路结构和噪声等效温差(noise equivalent temperature difference,NETD)的分析,经过详细地推导NETD公式,认为可调节两个偏置电压,使焦平面可以在较低的温度下稳定工作。
3.
A method of IRFPA non-effective pixel discrimination based on NETD and gray minimum variance is put forward.
提出了一种基于噪声等效温差(NETD)和灰度最小方差的红外焦平面阵列无效像元检测方法。
6) NITD
冷像等效温差
补充资料:传热温差
分子式:
CAS号:
性质:加热蒸气的温度与溶液的沸点之差。在蒸发过程中必须不断地向溶液供给热能,良好的传导传热也必须有一定的传热温差。传热温差越大,则越有利于蒸发过程的进行。提高传热温差可通过:(1)提高加热蒸气的压力,但不适当的提高可能导致热敏性成分的损失;也是不经济的;(2)借助减压方法适当地降低冷凝器中二次蒸气的压力,在提高传热温差的同肘,也降低了溶液的沸点。
CAS号:
性质:加热蒸气的温度与溶液的沸点之差。在蒸发过程中必须不断地向溶液供给热能,良好的传导传热也必须有一定的传热温差。传热温差越大,则越有利于蒸发过程的进行。提高传热温差可通过:(1)提高加热蒸气的压力,但不适当的提高可能导致热敏性成分的损失;也是不经济的;(2)借助减压方法适当地降低冷凝器中二次蒸气的压力,在提高传热温差的同肘,也降低了溶液的沸点。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条