联合型PET - CT机是研究的新领域,这种机器既能有PET在功能代谢上的检测优势,又具备CT扫描的高分辨率。
Combined PET-CT machines are a new area of research that allow for the functional metabolic discrimination of PET to be overlaid on high-resolution ct scans.
它复合了日光光谱成像技术,具有高分辨率光电传感器并带有机载处理系统能自动检测和识别目标。
It combines daytime hyperspectral imaging technology, featuring high-resolution electro-optic sensors, with an airborne processing system to automatically detect and identify targets.
高分辨率超声心动图似乎是一个好的方法,因它可以检测儿童和青少年的动脉。
High resolution echocardiography seems to be a good method which allows to examine arteries in children and adolescents.
采用高分辨率的增量式光电编码器和相应的硬件接口电路,实现了变磁阻电机转子在定子两个齿之间位移的检测。
Using an optical incremental encoder and hardware interface, the position of the motor rotor between the two teeth of the motor stator is measured.
精确检测图像边缘特征是进行高分辨率遥感图像分割和识别的关键。
Phase Congruency was introduced as a new method to detect features from high-resolution remotely sensed imagery.
针对宽带毫米波高分辨雷达体制,研究了杂波环境中的目标检测问题。
The problem of detecting targets in the cluttered circumstance with wide band high resolution radar is studied.
研究了毫米波高分辨雷达体制下的目标极化检测问题。
The problem of detecting targets in the cluttered circumstance with millimeter wave high resolution radar was studied.
本文的主要工作集中在合成孔径雷达成像算法研究,合成孔径雷达高分辨成像处理,以及运动目标的检测与成像处理三个方面。
The dissertation focuses on three aspects, that is, Synthetic Aperture Radar imaging algorithms, Synthetic Aperture Radar high resolution imaging, moving targets detection and imaging.
并给出了应用高分辨率线阵CCD构成微机辊形检测系统的应用实例。
Finally, it gives a practical application sample of microcomputer controlled roll shape detecting system with linear CCD.
正确提取目标强散射中心,并对强散射中心的能量进行有效的积累,是高分辨率雷达距离扩展目标检测的关键。
Extracting main scatter center of the target correctly and accumulating the energy of the main scatter center are the key to the high resolution radar range extension target detection.
在高分辨条件下,多周期积累时间内目标的运动会造成回波包络的跨单元走动,而距离走动带来了检测性能的下降。
In high range resolution conditions, the migration of moving target causes the migration of echo envelop within multicycle integration time and brings the decline of detection performance.
针对远距离的目标检测与跟踪,采用折反射成像方式,设计了一种高分辨力全向视觉系统。
To implement target detection and tracking in long distance, a kind of high resolution omni-directional vision system is designed by catadioptric imaging.
本文针对不同时期高分辨率遥感影像进行城市变化检测,在利用传统变化检测方法得到的检测结果的基础上,考虑消除投影差和阴影对变化检测结果的影响。
In this paper, by use of high resolution satellite images at different points of time, based on the traditional method, take projection and shade into the effect of change detection.
本文阐述了高分辨率一维距离成像的原理,提出了一种基于目标距离像的目标信号检测和跟踪方法。
The principle of obtaining one dimensional high resolution range profiles (HRRP) of a target is introduced, and a method of target detection and tracking based on HRRP is presented.
根据超声信号的特点,可以利用相干检测理论对信号进行处理,从而达到滤除噪声、提高分辨力的目的。
According to the characteristics of ultrasonic signal, it can be used to deal with correlation technique to filter noise and improve resolution.
本文针对高分辨雷达体制提出了横向极化滤波的概念,利用它进行了雷达信号的极化检测研究,获得了良好的检测效果。
The concept of transverse polarization filtering is presented under the high resolution radar system. Radar signal detection is studied via this concept. Detection results are satisfactory.
本文研究了高分辨雷达(HRR)的目标自动检测器。
The automatic target detector for High Resolution Radar (HRR) is considered.
方法:应用高分辨率超声检测血流介导的血管扩张(FMD)及硫代巴比妥法测定丙二醛(MDA)。
Methods:Flow mediated dilation (FMD) was tested with high resolution ultrasound method and malondialdehyde (MDA) was detected by using thiobarbituric acid reactive substances (TBARS).
本文研究了强杂波干扰背景下运用模糊集合理论解决高分辨雷达信号的检测问题。
The problem of detecting the signals of high-resolution radar (HRR) in high clutter environments is investigated in this paper, with the use of theory of fuzzy sets.
而对于高分辨率遥感图像的变化检测,面临的突出问题是对配准误差的敏感性和人工环境下地形的复杂性。
The most serious problems for change detection on high-resolution images are the sensitivity to registration and the complexity of terrain.
汉字和图形相结合。对增量编码器的脉冲信号沿变化进行倍频检测,提高分辨精度,避免计数误差和累积误差。
The edge transition of pulses from incremental encoder can be detected with double frequency to improve measurement precision, and to avoid measurement errors and accumulative errors.
这三个步骤在定位出的候选区域对应更高分辨率的图像上反复进行,直到待检测目标被发现或者被确定不存在为止。
These three steps were repeated over the located areas in higher resolution level image until the objects were found or assuredly absent.
该方法首先对各距离分辨单元在方位向进行非相参积累,然后利用类似单个脉冲下扩展目标的广义似然比检测器来实现高分辨率雷达的检测。
First, each range resolving unit was accumulated non-inherently in azimuth, and then the detection of HRR target was done with the GLRT detector similar to that of the mono-pulse spread targets.
光学缺陷检测技术,对热连铸坯表面缺陷而言,具有高速、非接触、高分辨率等优点。
The optical inspection technology of surface defect, as for defects of hot continuous casting slabs, has advantages of high speed, contactless and high resolution.
由于雷达检测具有无损、高效快捷、高分辨率等特征而被广泛应用于混凝土质量检测方面。
Thanks to its nondestructive, high-efficient, quick and high resolution, it is used in a wide range of concrete quality detection.
为了满足地震勘探高精度、高分辨力的需要,进一步研究了多普勒测量技术和弱信号检测技术。
To meet the seism detections require of high accuracy, high resolving power, the measurement technique of Laser Doppler and detection technique of faint signal are further researched.
高分辨力时间量检测是磁致伸缩液位传感器实现高准确度测量的关键技术之一。
The time variable measurement of high distinguishability is one of key technology in magnetostrictive liquid level sensor in order to realize high accuracy measurement.
治疗前后分别采用高分辨率血管超声检测肱动脉血流介导性舒张功能(FMD)的变化和血中内皮素1 (et 1)含量。
Before and after treatment, the flow-mediated dilatation (FMD) function in brachial artery was measured by high-resolution ultrasound and the level of plasma endothelin-1 (ET-1) was assayed.
本文提出了从高分辨率遥感图中检测机场跑道的算法流程。
A fast algorithm to detecting runway from high resolution remote sensing images is presented in this thesis.
使用高分辨力彩色多普勒超声诊断仪检测颈部颈动脉。 结果显示:脑梗塞两组颈动脉内径增宽;
The relations among cervical carotid atherosclerosis, hemodynamics and cerebral infarct lesions were analyzed by high resolution color Doppler ultrasound.
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