Working on the imaging mode, the dar (digital Array Radar) needs to implement the broadband digital beamforming processing.
数字阵列雷达工作于宽带成像模式下,需要进行宽带数字波束形成。
Compared to common imaging mode, this mode increases SNR of ocean echo by decreasing the bandwidth, then accuracy of fixed position can be improved.
和普通成像模式相比,该模式通过降低带宽的方式来提高回波的信噪比,从而提高了定位精度。
The radar affords the helicopter long-range search, imaging, and tracking capabilities for surface vessels and includes an advanced periscope detection mode.
该雷达可为直升机提供远程水面舰艇的搜索、成像、跟踪能力,包括先进的潜望镜检测模式。
The radar provides the helicopter with long-range search, imaging and tracking of surface vessels, a periscope detection mode, and the IFF to identify other aircraft in flight.
雷达给直升机提供远程搜索、水面舰艇的成像和跟踪、潜艇检测,并使用敌我识别系统识别飞行中的其他飞机。
Using functional magnetic resonance imaging (fMRI), researchers then measured the default mode network (DMN) in the brain.
运用功能磁共振成像技术,研究者们测量了静息状态默认脑活动网络的情况。
This work provides effective processing methods for ship imaging when the airborne radar works in SAR mode.
该文提供了机载雷达sar模式工作时对舰船成像的有效处理方法。
It has distinctive double input interface, flexible sensor receiving, high-speed sampling, recording in realtime, multi-recording mode and practical operation, processing and imaging software.
具有独特的双输入接口、灵活的传感器接收、高速采样、实时记录、多种记录模式和实用的操作、处理、成像软件。
The operation mode, imaging method and system′s control problem of a active radar imaging seeker are investigated.
研究了主动雷达成像导引头的工作模式、成像方法和系统控制方式。
The R-D-R algorithm was here modified significantly to make it apply to airborne and space-borne SAR imaging in squint mode.
本文对该算法进行了修正,使该算法适用于斜视模式的机载和星载SAR成像。
This thesis focused on SAR large squint mode imaging algorithms and Real-time processing technologies.
论文的研究工作主要围绕着SAR大斜视模式成像算法和实时成像处理技术展开。
Based on the imaging geometry of squint mode, the characteristics of echoes in squint mode are analyzed in this paper.
基于斜视成像几何模型,分析了目标回波信号距离走动比距离弯曲大得多的特点。
Digital imaging equipment introduction and use to replace the traditional mode, image, the core function simplified PACS working process, improve the working efficiency and quality.
数字图像处理设备的引进和使用取代了传统模式、影像、PACS的系统核心功能并简化工作程序,提高工作效率和质量。
Then the echo data simulating methods for this mode are introduced and the corresponding imaging algorithms are discussed as well.
介绍了该工作方式下回 波数据的模拟方法,并讨论了几种适合该工作方式的成像算法。
Furthermore, the imaging method with transmit-mode electromagnetic TR-MUSIC is proposed.
进一步,本文提出了传输模式的电磁tr - MUSIC成像方法。
The method of monopulse radar 3-d imaging in stepped tracking mode is presented.
该文提出了步进跟踪模式下的单脉冲三维成像方法。
The solar tracker has two working modes, open loop mode and closed loop one, and it consists of an imaging unit, a turntable, steppers, the subsystem of micro control unit, a computer and so on.
提出的太阳跟踪器具有开环和闭环两种工作模式,由成像单元、转台、步进电机、单片机、上位机等模块构成;
Objective To observe the mode of placenta separation by dynamic ultrasonographic imaging during the third stage of labor and help manage postpartum hemorrhage.
目的在第三产程中应用动态超声图像观察胎盘剥离方式,及时处理产后出血。
The imaging method may be not only applied to the radar imaging for partial terrain area, but also to reflection mode ultrasonic ct.
本文的方法可应用于雷达对地面局部区域成象中,也可应用于反射式超声ct竖断面成象中。
The theoretical model of spotlight mode SAR is constructed firstly, and the principle of spotlight mode SAR imaging is analyzed.
首先建立了聚束式SAR成像的信号模型,阐述了聚束式SAR成像的基本原理。
This paper studies image algorithms and analyses imaging quality of air-borne Synthetic Aperture Radar (SAR) in large squint mode.
文章研究了机载合成孔径雷达(SAR)在大斜视角下的成像算法,并分析了算法的成像性能。
A reflection-mode photoacoustic microscope (PAM) for rat brain imaging in vivo is constructed.
研制了一套应用于大鼠脑在体成像的反射式光声显微系统。
In the B-mode sector scan ultrasonic imaging system, the raw image is in polar coordinates, therefore, it is main tasks of image pre-processing to achieve image coordinate transform and interpolation.
在B型超声机械扇形扫描成像当中,原始图像信号是以极坐标的形式输出的,对图像进行实时坐标变换和漏点插补是图像预处理所要解决的主要问题。
Self Imaging Effect (SIE) is the primary principle for Multi-mode Interference (MMI) devices.
自镜像效应是多模干涉型器件的基本工作原理。
Objective To study the diagnostic value of cardiac function determination by list mode first pass in combination with myocardial perfusion imaging at ATP stress in coronary artery disease.
目的探讨在ATP负荷下联合应用表模式采集首次通过心功能测定与心肌灌注显像诊断冠心病的价值。
Designed specifically for medical imaging, the Eizo FC-2090 provides 3 mega pixel screen resolution required to display medical images in full screen mode.
专为医疗成像技术,艺卓的FC- 2090提供了3万像素的屏幕分辨率需要显示全屏模式医学图像。
The experiments on clinic images show that the differential method improves the quality of B-mode imaging.
将该方法用于临床图像的处理,提高了B超成像的质量。
Conclusion the B-mode ultrasound is a reliable, simple and convenient imaging modality in the diagnosis of fetus edema syndrome.
结论B型超声检查是发现和诊断胎儿水肿综合征最可靠和最简便的方法。
Then three spotlight mode SAR imaging algorithms are discussed and compared, including polar format (PF) algorithm, chirp scaling (CS) algorithm and range migration (rm) algorithm.
然后重点对三种聚束式SAR成像算法进行了讨论与比较,包括极坐标格式(PF)算法、线性调频测绘(CS)算法和距离走动(RM)算法。
General Imaging, Dual Color Compare Mode, High-Q Auto Doppler Analysis.
通用影像,双色对比模式,高品质自动多普勒分析。
Objective To evaluate the left ventricular diastolic function in the patients with hypertension by color M-mode Doppler echocardiography(CMM) and Doppler Tissue Imaging(DTI).
目的:应用彩色M型多普勒(CMM)和组织多普勒成像(DTI)等方法评价高血压患者的左室舒张功能,探讨CMM和DTI评价左室舒张功能的临床价值。
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