A new method to measure the optical defocus of a passive imaging system (ODPIS) is proposed.
提出了一种测量被动成像系统光学散焦的新方法。
Global Positioning system (GPS) aided passive imaging navigation system is presented in this paper.
本文介绍的是一种GPS辅助的被动成像导航系统。
Affected by strong scattering medium, the faint target in long range is difficult to detected by passive imaging system.
受强散射介质的影响，被动成像系统难以探测到远距离的微弱目标。
Based on the principles that lateral offset-focus feed makes the antenna pattern deflect an angle, the multi-beam antenna can be used in passive imaging system.
本文首先分析了焦平面阵列馈源横向偏焦产生多波束的原理，并采用面电流法对偏焦抛物面天线方向图进行了编程计算。
Passive millimeter-wave imaging is a hot research in the field of millimeter wave in the 90 's.
被动毫米波成像是毫米波技术领域90年代以来的一个研究热点。
For this reason, several active or passive compensation mechanisms have to be appended to thermal imaging systems to compensate the performance degradation with temperature changes.
因此在红外成像系统中不得不加入主动或被动补偿机构，以补偿温度变化造成像面移动所引起的系统性能的降低。
Objective To develop a motion analysis of glenoid and humerus structures during passive arm elevation with open magnetic resonance imaging and three dimensional image processing.
目的利用核磁共振成像和三维图像后处理技术，在上臂被动抬高过程中对肩带的盂-肱结构进行基本运动分析。
To solve the problem of poor resolution in passive millimeter wave (PMMW) imaging, we present an improved maximum a posteriori (MAP) super-resolution algorithm.
针对无源毫米波成像中图像分辨率低的问题，提出了一种改进的最大后验(MAP)超分辨算法。
Microwave radiometer is the core equipment of passive microwave remote sensing and a powerful tool for ground objects radiation detection, imaging and characteristics recognition.
微波辐射计是无源微波遥感的核心设备，是进行地物背景微波辐射特性探测、成像和判断的主要工具。
Passive millimeter-wave imaging has become a research hotspot in the area of millimeter-wave since the 1990s.
上世纪九十年代以来，被动毫米波成像是毫米波技术领域的一个研究热点。
Motion compensation for passive radar imaging is discussed in the paper and echo-signal models for target are given.
讨论了无源雷达成像的平动补偿，建立目标回波模型，利用相邻回波包络的相关性进行运动补偿。
An analysis of a passive seismic method for subsurface imaging is presented in which ambient seismic noise is employed as the source of illumination of subsurface scatterers.
本文提出用于地下成像无源地震方法的分析，在该方法中应用环境地震噪声作为地下散射体的照明源。
Passive millimeter-wave (PMMW) imaging technology forms images by detecting natural occurring millimeter-wave radiation from the scene and targets.
无源毫米波成像技术是通过探测被测场景及目标在毫米波段的自然辐射实现成像的。
A new algorithm for infrared mono-station passive location for a mobile target is presented based on infrared imaging, series images processing and three dimensional movement analysis.
介绍了一种基于红外成像、序列图像处理和三维运动分析技术的对机动目标的红外单站被动定位新算法。
Main task of this dissertation is designing a multi-beam lens antenna to both improve the resolution and reduce the imaging time of the passive millimeter-wave imaging system.
本文的主要任务是针对提高毫米波无源成像系统的分辨率和减小成像时间而设计一个多波束透镜天线。
Relationship between the target scattering function and the echo signal is deduced to hold as a Fourier transform pair by analyzing the texture of echo signal for a passive radar imaging system;
首先分析了无源雷达成像系统的目标回波形式，得到了目标散射分布函数和雷达接收信号之间的傅里叶变换对关系；
Finally, with the other parts of the passive millimeter wave imaging system, successfully get the passive image of the target scene.
最后与毫米波无源成像系统的其他部分联合调试，成功地实现了对场景目标的被动成像。
In addition, to ensure the imaging quality at different temperatures, a passive optical athermal technology is used.
此外，采用光学被动消热差以保证不同温度下的像质。
The combination of ladar and passive-infrared (IR) imaging can get more information, and improve the ability of object classification and anti-interference.
激光雷达与被动红外(IR)成像结合可获取更多信息，并提高目标识别能力和抗干扰性。
As an important part of Passive millimeter wave imaging system, data acquisition system plays an important role in PMMW imaging system performance.
高速数据采集系统作为被动毫米波雷达的重要组成部分，对于其性能的提高起着关键的作用。
As an important part of Passive millimeter wave imaging system, data acquisition system plays an important role in PMMW imaging system performance.
高速数据采集系统作为被动毫米波雷达的重要组成部分，对于其性能的提高起着关键的作用。
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