Computation of Noise Equivalent(NE) Bandpass of Infrared Imaging System with NETD and Test Data of Detector 利用NETD和探测器测试数据计算红外成像系统的噪声等效带宽
Noise equivalent temperature difference ( NETD ) 噪声当量(NE)温度差(NETD)
According to the request of the technique, the main parameters of noise equivalent temperature difference and minimum resolvable temperature difference were analysed and calculated. It proved the design of infrared imaging system was reasonable. 根据技术指标的要求,对噪声等效温差、最小可分辨温差等主要参数进行了详细的分析与计算,证明了红外热成像系统设计的合理性。
Measurement of noise equivalent power of optical heterodyne system 光外差系统噪声等效功率的一种测量方法
Magnetic-field sensors based on the Faraday effect is demonstrated using ferromagnetic iron garnets. The sensor response and directionality are discussed, and noise equivalent field and frequency response are analyzed respectively. 针对亚铁磁材料阐述了基于法拉第效应测量磁场的理论基础,讨论了传感器的响应特性和方向性,并分析了传感器的频率响应和噪声特性。