For decreasing noise of IR system,a new circuit of low-power,low-noise preamplifier working at utmost lower temperature(about 100 K) was designed by using a single-ended folded-cascode structure and a MOS transistor operating in the linear region as feedback resistor.
In this paper,a review of the current status and future trend of infrared systems and technologies for America′s ballistic missile defense system is presented.
In this paper,it is indicated that: in the range equation of IR systems,the atmospheric transmittance τa itself is a rapidly varying function of range R,therefore,the range equation of IR systems is modified into a more exact expression.
? Methods: Eye position was recorded from the covered, non-dominant eye with an infrared system in 11 subjects with normal eyes and binocular vision and in 10 patients with exotropia and abnormal binocular function.
Inexperienced laparoscopists were asked to localize and differentiate structures before dissection using the visible system and then using the infrared system.
This study shows the feasibility of microcapillary column liquid chromatography combined with a low-cost, conventional infrared spectrometer as a routine tool which allows the analyst to use an LC-IR system effectively and economically.
The local transformations of the chemical structure induced in low density polyethylene (LDPE) by irradiation with various ions of different characteristics are investigated by using microFT-IR system.
The ACTH-immunoreactive (ir) system of the avian brain is particularly conspicuous in the male white-crowned sparrow (Zonotrichia leucophrys gambelii).
The generalized selection combining (GSC)--a new diversity technique yet to be implemented for infrared systems--offers the best performance even with its reduced complexity.
In the common understanding, third generation IR systems provide enhanced capabilities like larger number of pixels, higher frame rates, better thermal resolution as well as multicolour functionality and other on-chip functions.
The most obvious difference between the FMRFa-ir systems in caimans and turtles concerned the number of nuclei that contained neurons with this immunoreactivity.
The LC model combines the results lists of multiple IR systems by scoring each document using a weighted sum of the scores from each of the component systems.