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。
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。
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。
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。
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。
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
Noise equivalent temperature difference (NETD)
噪声当量温度差(NETD)
Computation of Noise Equivalent 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
Research on NETD Test of Infrared Imaging Systems
红外热成像系统噪声等效温差测试研究
A Calculation Method for the Output Noise Temperature of Standard Thermal Noise Source
一种热噪声标准源等效输出噪声温度的计算方法
Physically, the resistor is effectively the source of noise.
从物理上来说，电阻器等效于噪声源。
The concept of" equivalent noisy power spectral density" is introduced in this paper.
文中提出等效噪声功率谱密度的概念。
Conclusion The workplace can be classified by equivalent consecutive sound level A.
结论噪声作业可以用等效连续A声级来进行分级。
Comparison of Equivalent Regional Environmental Noise Level in State-Controlled Cities in 2001
2001年度国控城市区域环境噪声等效声级比较
Study on Modularized Analysis and Design for Low-Noise Amplifier Using the Equivalent Noise Model Method
低噪声放大器模块化分析与设计的等效噪声模型法的研究
Leq (15 min/30 min)
等效连续噪音声级（15分钟／30分钟的量度）
On migrated sections migration noise can become the equivalent limitation.
在偏移剖面上，偏移噪声成为等效的界限。
Equivalent Noise Bandwidth of the Electro Hydraulic Servo System and Analysis of Its Accuracy
电-液伺服系统的等效噪声带宽及其精度分析
Research of Phase Noise Measurement System Based on Equivalent Phase Comparison Frequency
基于等效鉴相频率的相位噪声测量系统的研究
Equivalent Noise Model and Congestion Control Algorithm of End-to-End TCP Link
TCP端到端等效噪声模型及拥塞控制方法研究
The error caused by temperature drift and noise was eliminated by applying DFT in the calculations of the phase difference and voltage amplitude and current amplitude.
利用离散傅里叶变换计算相位差和幅值,消除了温漂和噪声的影响。
The thermal noise of resistance could be overcome by reducing the physical temperature, choosing appropriate working frequency band low noise elements, etc.
可通过降低电路的物理温度、择合适的工作频带及低噪声元件等措施,克服电阻热噪声。
ratio of gain to noise temperature of an antenna
天线增益噪声温度比