Then the radiometer antenna temperature of coating stealth material was modeled.
在此基础上建立了涂层隐身材料的辐射计天线温度模型。
The effect of inverse radiation noise on antenna temperature calibration in the aperturecalibration method is expounded.
深入分析用口面定标方法反演微波辐射计的天线温度时过向辐射噪声对天线温度标定的影响。
Based on the model, retrieves the relative permittivity and relative permeability of the coating - material by iterative inversion of a neural network from the measured antenna temperature.
在此模型的基础上,用神经网络迭代法从测得的天线温度反演了隐身涂层材料的的相对介电常数、相对磁导率。
The antenna membrane hangs in a hollow bony chamber, allowing for quick heat loss and maximizing the detected temperature differences between warm-blooded animals and everything else.
接受膜悬挂在一个中空的骨室中,使得散热很快从而最大程度探察温血动物和其他东西的温度差别。
At the same time, also is the market temperature most sensitive antenna.
同时,也是市场温度最敏感的触角。
Ferrite phase shifter is one of the key devices in phase array antenna system, while its temperature property significantly affects the system performance.
铁氧体移相器是相控阵天线系统的关键器件之一,而它的温度特性对系统的性能影响较大。
Three subjects-UWB radar antenna, UHF/VHF band receiver noise temperature, and the target detection from background, which are main factors in UWB SAR range equation, are studied.
从超宽带雷达天线、UHF/VHF波段接收机噪声温度以及最小可检测的信噪比三个方面研究了超宽带合成孔径雷达方程。
Satellite thermal infrared anomalous points of temperature are the result of stochastic resonance of background noises and earth information near the antenna.
卫星热红外温度异常点是天线附近背景噪声与地球信息随机共振的结果。
Antenna system noise temperature and antenna efficiency are the most important items in the system debugging and checking before the VLBI observation.
在流动vlbi的观测试验中,天线系统噪声温度和天线效率是观测前系统调试和检测的两项重要内容。
This paper presents an idea for the average brightness temperature of antenna aperture and its expression for a lossless antenna with matched and unmatched noise sources.
本文提出了天线口面平均亮度的概念,给出了天线终端接有匹配噪声源和非匹配噪声源时天线口面平均亮温度的表达式。
By cold circulation technique, it retrieve the shortage of higher temperature caused by microwave antenna stick.
采用水循环内冷技术,弥补了以往微波治疗中微波天线杆温较高所带来的不足。
A new model of dealing with solar radiating disturbance is put forward and a systematic explanation to the antenna noise temperature analysis in case of solar radiating disturbance is made.
在提出日凌干扰处理新模型的基础上,根据太阳视面与天线主瓣半功率点截面的相对运动关系,系统阐述了日凌时天线噪声温度的分析方法。
The large deployable antenna in satellites has high flexibility and strong sensitivity to temperature.
星载大型可展开桁架天线本身具有较大的柔性,对温度具有较高的敏感性。
The key issue in external calibration of microwave radiometer on board satellite is the determination of brightness temperature on the pupil of antenna by using radiative transfer equation.
星载微波辐射计外定标的关键问题是通过辐射传输方程计算天线入瞳处亮温。
An intelligent calibration system with temperature of blackbody naturally varying used for small antenna MMW radiometer was developed.
研制了的小口径天线毫米波辐射计自然变温智能定标系统,该系统实现了所有数据的自动采集与分析。
This paper describes the test technology about distortions and the measurement results of antenna reflector of synchronous satellite under nonuniform temperature field in vacuum.
本文介绍了同步卫星天线反射器在真空非均匀温度场的变形试验技术及其测量结果。
Antenna have high gain, low noise temperature characteristic under test in experimentation, and it can precision tracking at S-band, high efficiency receive at S/X-band.
经过外场测试,天线在S/X双频段具有高增益、低噪声温度的优良性能,天馈系统在S波段能进行精密跟踪及S/X双频高效率接收。
Consequently, activity of light-harvesting antenna system as well as that of photosynthetic chain and photosynthetic rate recovered gradually as air temperature rising in early spring.
初春随着温度的回升,捕光天线系统、光合电子链的活性、光合速率逐渐恢复。
Use of the finite element method, the thermal environment of space under the support of the inflatable antenna and the temperature distribution and thermal deformation.
利用有限元方法,分析了空间热环境下的支撑管和充气天线的温度场分布和热变形问题。
To increase the radiation efficiency and broaden the operation bandwidth, an aperture-coupled microstrip antenna of high temperature superconductor with multi-layer substrates is designed.
为提高辐射效率和扩展工作带宽,对一种口径耦合馈电的多层介质高温超导微带天线进行了设计。
The high temperature superconductors (HTS) bearing low surface resistance can be used to raise the efficiency of antenna.
高温超导(HTS)体由于具有较低的表面电阻,在天线应用中,它可以提高天线的效率。
The high temperature superconductors (HTS) bearing low surface resistance can be used to raise the efficiency of antenna.
高温超导(HTS)体由于具有较低的表面电阻,在天线应用中,它可以提高天线的效率。
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