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Research and Implementation of Automatic Modeling Method in Product Design
This paper designed and realized automatic modeling system and applied it in theelectronical product design process. Based on the Domain Chinese LaguageUnderstanding System, it accomplished the transition from the user's requirementexpressed....
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Wavelet Analysis Software of 1/f Noise and Research on Long-Range Dependence of It
The noise inside the electronic devices (especially the low-frequency noise such as 1/f noise) is the key factor limiting the sensitivity and precision of the devices. And at the same time, it is the important sensitive parameter to characte....
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Study on the Pumping Technology Which Used to Improve Frequency Stability of Passive Q-switched Laser
Crystal of Cr~(4+):YAG has been widely used in LD end-pumped solid-state laser. But compares with actively Q-switched laser, its controllability is bad, influence pulse output stability seriously.The concept of pre-pumping has been presented....
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Development of a Multi-channel He-Ne Laser Power Acquisition System
In the accelerated life test of He-Ne laser,we choose current as the accelerated stress and consider the laser output power dropped to half of the initial power as the failure criterion of the tubes. So the accurate collection of power data....
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Study on Accelerated Life Test of He-Ne Laser
In order to find out the theory model and lifetime test method of life estimate of He-Ne laser under specific conditions of use, based on studying and analyzing the existing theories and experimental conclusion, assumed that the lifetime dis....
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The Research on the Low-Light-Level Night Vision Equipment's Key Technology
Night vision equipment is a military equipment using photo-electric conversionTechnique. It play an important role in army's campaign ability both in day and night.The low light Night Vision Equipment's core part is the low-light-level(LLL)....
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Design of Modern Infrared Optical System
With the requirements of modern military-optics and space-optics, several modern infrared optical systems are studied. The emphasis is on the athermalization of the infrared optical systems. Some important works are as follows:(1) Design of....
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The Foundational Investigation of Photonic Band-gap Structure Applied on Micro-vacuum Electronic Devi
Micro-vacuum electronic devices have been playing an important role in national defend and civil economy. Many countries have been convinced that a sound research of micro-vacuum electronic devices can bring significance effect for global co....
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Research on Simplifying the EMC Simulation Model of Electronic Equipments
EMC simulation has become one of the most important steps in electronic equipments designing. Through simulation, electromagnetic compatibility problems can be found and resolved before the equipments are producted , thereby , reducing the c....
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Study on Tropospheric Scatter Communications Mechanism in Acoustic Interference
According to the three major principle about the Troposphere scattering communication, and discuss integrated the Turbulence theory、Non-coherent reflection and Coherent reflection theoretical advantages of the generalized model scattering....