Factors Affecting the APT Picture Quality

摘要

The Muirhead K-300A Recorder operation is analyzed and a daily quality control routine is suggested which permits evaluation of the photographic process, the light source, and the electronic function generator separately. An objective technique for optimizing the image density range for a given weather satellite is presented, using the daily quality control data generated by recording a signal sequence and a densitometer measurement of the reflective density of the image. (Author)