Frequency Domain Approach To An Electro-Optics System

Iao-Huei Pan; Sui-Chu Cheng; Jer-Hao Chen; Henry H. Su

doi:10.1117/12.965587

4 October 1979 Frequency Domain Approach to an Electro-Optics System

Iao-Huei Pan, Sui-Chu Cheng, Jer-Hao Chen, Henry H. Su

Proceedings Volume 0187, System Aspects of Electro-optics; (1979) https://doi.org/10.1117/12.965587
Event: 1979 Huntsville Technical Symposium, 1979, Huntsville, United States

Abstract

Heretofore, there are many literature concerning the measurements of transfer function for a control system, (1) (2) but very few on the topics for an E-0 system especially for the part containing both the sensor and its signal processing. The purpose of this paper is to give a simple new approach to characterize the E-0 transfer function in frequency domain. The main contributions of this approach are namely: (1) A moving target generation, which is made by the light source array is designed to simulate a moving target. The advantages of this set up will give simplicity and high frequency capability. (2) A programmed numerical optimization process, which makes use of the least-squared-error method is established to locate the pole-zero configuration of over all system. (3) An experiment for the TV tracking-centroid system is developed to illustrate the details of this approach. The results reveal the 15 db band width of which at 0.639/um wavelength in low light level condition is 8 Hz. It is suggested that this technique can also be applied for many other E-0 systems such ass infrared, laser and so on extensively.

Citation Download Citation

Iao-Huei Pan, Sui-Chu Cheng, Jer-Hao Chen, and Henry H. Su "Frequency Domain Approach to an Electro-Optics System", Proc. SPIE 0187, System Aspects of Electro-optics, (4 October 1979); https://doi.org/10.1117/12.965587

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