Measurement of noise equivalent power of optical heterodyne system 光外差系统噪声等效功率(NEP)的一种测量方法
Calculated and compared heat noise, signal voltage, signal-to-noise ratio of Ge, Si, GaAs devices, available approach and experimental plan for making noise equivalent power of 10 ~ ( - 10 ) W are obtained. 本文计算和比较了Ge、Si、GaAs器件的热噪声、信号电压、信/噪比、得到了制造功率为10~(-10)W光电探测器的有效途径和实验方案。
Then, this paper gives the theory calculation of sensitivity of detector which is determined by the noise equivalent power ( NEP ) 、 technical design of detector with high temperature superconductive junction and fabrication and measurement of junction characterization of HTSC step - edge junction. 着重叙述了高温超导检测器的噪声等效功率(NEP)(NEP)灵敏度理论计算、检测器用超导结的技术设计(给指标确定)、高Tc台阶结的制备与结特性测试。
For 8mm wave, the responsivity is 406V / W, noise equivalent power NEP is 6.9 × 10 ( - 6 ) WHz ( - 1 ). 对8mm波.其等效噪声功率为6.9×10(-10)WHz(-1).响应率为406V/W。
Calculation and Design of Photodiode with Noise Equivalent Power(NEP) of 10 ~ ( - 10 ) W 探测功率10~(-10)W的光电器件的计算与设计