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一、前言星载遥感仪器中采用机械扫描方式取得二维图象信息的装置具有一定的普遍性。诸如:扫描相机、多光谱扫描仪、红外扫描仪和多频段扫描微波辐射计等等。在这类仪器中都具有周期运动的质量,随着扫描运动部件质量和频率的增加,将对星体产生不可忽视的动力干扰。当卫星姿控精度要求较高时必须在设计上采取相应措施,消除运动质量引起的动力干扰,以保证姿控精度。我们采用了附加质量的办法进行动量补偿,用以消除动力干扰。本文介绍了微波辐射计天线扫描与动量补偿系统模型实验的第一阶段结果。
I. Preface The device for obtaining 2D image information by mechanical scanning in spaceborne remote sensing instruments has certain universality. Such as: scanning camera, multi-spectral scanners, infrared scanners and multi-band scanning microwave radiometer and so on. In such instruments have the quality of periodic motion, with the mass and frequency of scanning moving parts increases, will have a non-negligible power interference on the stars. When the satellite attitude control accuracy is higher, we must take appropriate measures in the design to eliminate the dynamic interference caused by the movement quality, in order to ensure the attitude control accuracy. We used an additive mass approach to momentum compensation to eliminate power disturbances. This paper presents the results of the first phase of the model experiment of the antenna scanning and momentum compensation system of a microwave radiometer.