Infrared focal plane array signal simulator

Abstract

The invention discloses an infrared focal plane array signal simulator which comprises a panel button control circuit, a main control machine, a CPCI (compact peripheral component interface) bus interface circuit, a DPLL (digital phase locked loop) clock generation and programmable clock distribution circuit, a memory management circuit, a synchronous signal generation circuit, a programmable synchronous delay circuit, a DAC (digital-to-analog converter) control circuit and a low-voltage-difference high-steady-state power supply circuit, wherein the panel button control circuit is connected with the main control machine; the main control machine is connected with the CPCI bus interface circuit through a CPCI bus; the CPCI bus interface circuit is respectively connected to the DPLL clock generation and programmable clock distribution circuit, the memory management circuit, the synchronous signal generation circuit, the programmable synchronous delay circuit, a direct-current and alternating-current DAC control circuit through an internal bus, and the synchronous signal generation circuit, the programmable synchronous delay circuit and the DAC control circuit are also connected to the low-voltage-difference high-steady-state power supply circuit through the internal bus. The infrared focal plane array signal simulator provided by the invention can simulate a simulation source output by an infrared focal plane device signal according to the electric signal output characteristics of an infrared focal plane array device, thus the qualitative inspection and quantitative calibration of a data collection system can be realized.

Description

technical field [0001] The invention relates to an infrared focal plane array (IRFPA), which is a core component of an infrared detection and imaging system, in particular to an infrared focal plane array signal simulator. Background technique [0002] Infrared imaging is the product of the comprehensive development of multi-disciplinary and multi-field technologies. Its key technologies include: infrared sensitive materials, semiconductor device technology, integrated circuit design, packaging technology, testing technology and vacuum technology. In recent years, with the rapid development of various technologies, infrared imaging technology has also developed rapidly, and has been widely used in civilian and military applications. The infrared focal plane array is the core device of the staring infrared thermal imaging system, and its performance is directly related to the performance evaluation of the infrared thermal imager and the optimization of the image processing al...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the calibration problem of the infrared focal plane array data acquisition system, the purpose of the present invention is to provide an infrared focal plane array signal simulator capable of simulating the output of the infrared focal plane array

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