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noise equivalent temperature difference
释义
noise equivalent temperature difference
Encyclopedia
工学
辐射度计量
释
noise equivalent temperature difference
等效噪声温差
使用3分贝截止的标准滤波器,在多路传输之前,系统所产生的信号及噪声(均方根值)之比为1时,所需的大空间目标(大于或等于瞬时视场)和背景的温差。又称热灵敏度。是红外探测器能探测到的最小温差,是衡量红外探测器系统性能的重要指标之一,与总体大气透过率、探测器性能参数等因素有关。
Physics
电磁学
noise equivalent temperature difference, NETD
噪声等价温差
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symmetrized tensor
symmetrizer
symmetroid
symmetry
symmetry-adapted coefficient
symmetry adapted linear combination
symmetry adapted linear combination, SALC
symmetry adapted molecular orbital
symmetry-adapted wave function
symmetry analysis
symmetry and algebra in conformal field theory
symmetry and asymmetry
symmetry and balance
symmetry and conserved current
symmetry and conserved quantity
symmetry axiom
symmetry breaking
symmetry breaking technique
symmetry-broken
symmetry class
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