探测器

By taking the noise of an infrared focal plane detector as the main factor, an operating distance estimation equation for point targets is derived. A calculation example of the operating distance of a typical infrared detection system is given.

本文推导了以红外焦平面探测器噪声为主要因素的点目标红外探测系统的作用距离估算方程，结合实例求解了典型红外探测系统的探测系统的作用距离。

After a historic, near perfect landing NASA's Phoenix Mars Lander is getting ready to begin testing the polar surface for signs of water and life.

在一场历史性，接近完美的降落后， NASA 的凤凰火星号探测器已经开始准备对火星表面测试水和生命的迹象。

After a historic near perfect landing, NASA's Phoenix Mars Lander is getting ready to begin testing the polar surface for signs of water and life.

史无前例、近乎完美的登陆后，NASA的芬尼克斯号探测器已做好准备，开始探查火星极地表面的水和生命迹象。

This phenomenon is mainly caused by the fact that many kinds of photodetectors are sensitive to light polarization.

这种现象主要是由于许多类型的光探测器存在偏振敏感响应引起的。

laser technique ; polarized light ; wave plate ; phase retardation

由于实验过程中有各种因素，如光源的起伏，光电探测器的动态范围、本底电流等，对用测量光强来确定波片的延迟量无疑会直接

You think I am exaggerating, but Pontiac Northern has metal detectors and an x-ray machine.

你觉得我夸张，但是庞蒂亚克北有金属探测器和X光机。

A SPACE probe plunges its way through Titan's atmosphere and lands safely on the surface. Over a billion kilometres away here on Earth, a machine fills a bag of potato crisps.

空间探测器穿过浓浓的大气降落在了泰坦星的表面上，而在千里之外的地球上，一台机器正在给炸薯片装袋。

An analysis of noise models for two basic pre-amplifier structures:voltage and transimpedance are carried out.

如何降低电路噪声是读出电路研究热点之一，本文就红外探测器的电压型和跨导型两种基本结构前置放大器，建立了噪声等价模型，分析比较了其信噪比。

In order to read out hot response signal of the detector, we should use the pre-amplifier to prevent the conversion or enlarge signals and pretreat, which satisfies the flowing signal processing.

为了有效读出探测器的热响应信号，需要利用前置放大器进行阻抗变换或者信号放大以及预处理，以便满足后续信号处理的要求。

In this paper, common preamplifiers were introduced. To obtain the biggest output signal of the noise ration, we choose the low noise tube as the pre-amplifier according to best source resistance match principle.

本文以热释电探测器的前置放大电路为例，主要根据最佳源电阻匹配的原则选择低噪声晶体管，作为前置放大器，以得到最大的输出信噪比。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。