And then, the conditions of the coupling in FPA between the detector with the direct injection (DI) circuit and capacitive transimpedance amplifier (CTIA) have been studied.

• 研究了焦平面中常用的直接注入(DI)和电容反馈放大电路(CTIA)与探测器耦合时在噪声、输入阻抗、工作点匹配等方面应具备的条件。