1) noise equivalent temperature
噪声等效温度
2) Equivalent noise temperature
等效噪声温度
3) NETD
噪声等效温度差
1.
In the previous work, noise equivalent temperature difference (NETD) and spatial resolution of thermal images were not satisfactory.
针对以前红外成像中红外图像的噪声等效温度差(NETD)较大和空间分辨率不高的问题,本文在制作工艺改善的基础上,设计了一个单元尺寸分别是50μm×50μm和60μm×60μm的红外焦平面阵列(FPA),它是由0。
4) effective antenna noise temperature
等效天线噪声温度
1.
The paper discusses the measuremet of effective antenna noise temperature,a characteristic parameter of radio noise power.
在讨论了表征无线电噪声功率参数———等效天线噪声温度的测量方法后 ,根据环境无线电噪声强弱的不同 ,采用了两种方法进行测量 ,即对较强信号的真有效值测量和对微弱信号的迪克测
6) 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。
补充资料：噪声等效声级（简称LEQ）
噪声等效声级（简称LEQ）：是指在规定的时间内，某一连续稳态声的A\[计权\]声压，具有与时变的噪声相同的均方A\[计权\]声压，则这一连续稳态声的声级，就是此时变噪声的等效声级。噪声等效声级(分贝）数值越小越好。
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