Fig. 1. Structure diagram of EBAPS

Fig. 2. Structure diagram of MTF testing system of EBAPS

Fig. 3. Physical drawing of MTF testing hardware for EBAPS

Fig. 4. Program interface of MTF testing system

Fig. 5. Flow chart of MTF testing software

Fig. 6. Comparison of MTF curves of UV1280 under optical imaging and different voltages

Fig. 7. Changes in MTF values at several important frequency points under different high voltages

Fig. 8. MTF curves obtained from five sub-pixel displacements under optical imaging

Fig. 9. Resolution images under optical imaging and electrical imaging