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介绍了红外探测器噪声定义、测量方法、测量仪器等，着重分析了ＨＰ３５８９Ａ测量噪声的原理，并以实验验证了测量方法的可行性。
Introduced the definition of infrared detector noise, measurement methods, measuring instruments, focusing on the principle of HP3589A measurement noise, and the experimental verification of the feasibility of the measurement method.