• This new approach USES a technique called lidar.

    这种新方法使用一种叫激光雷达的技术。

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  • In the case of lidar, the waves are in the form of an infra-red laser beam.

    至于激光雷达,电磁波是以红外激光束的形式发射的。

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  • Currently, the European Space Agency (Esa) has two lidar (light detection and ranging) missions of its own in preparation.

    目前,欧洲空间局(ESA)自身有两个激光雷达(光探测和测距)任务正在准备中。

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  • Placing a lidar in the centre of a turbine proved difficult, because of the centrifugal force generated by the turbine’s rotation.

    由于涡轮旋转所产生的离心力,在一个涡轮的中心安置一个激光雷达是困难的。

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  • Secondly, the probe could have an active radar or lidar defense that targets debris and uses lasers to vaporize the dust particles.

    第二,探测器可能有主动雷达或者激光雷达防御系统,可以发现碎片,并用激光来汽化这些颗粒。

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  • Lidar constant can be calculated according to lidar equation.

    根据激光雷达方程计算出激光雷达常数。

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  • Measurement of speed of moving object by a solid-state coherent lidar is studied.

    建立了固体相干激光雷达对运动目标速度的测量系统。

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  • Firstly, the detecting data of airborne micro-pulse lidar is sorted and calibrated.

    首先对机载微脉冲激光雷达探测的数据进行校正。

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  • Airborne lidar point cloud filtering is the key of acquiring DSM and DEM with high precision.

    机载激光点云数据滤波是获取高精度数字表面模型和数字高程模型的关键。

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  • Using the Raman lidar for monitoring the atmospheric CO2 concentration is an advanced technique.

    拉曼雷达测量大气中CO2气体含量是一种技术先进的可靠方法。

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  • Results indicate that L625 lidar is reliable for the measurement of tropospheric aerosol wavelength exponents.

    结果表明L 625激光雷达测量对流层气溶胶波长指数是可靠的。

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  • The effect of atmospheric humidity on probing mass concentration of atmospheric dust by lidar is also discussed.

    讨论了大气湿度对激光探测大气尘埃质量浓度的影响。

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  • We can classify the lidar as coherent and incoherent (direct-detection) lidar on the base of operating principle.

    多普勒测风激光雷达从工作原理上可分为相干和非相干(直接探测)两种。

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  • Therefore, detecting the weak signals buried in noises is a fundamental and important problem in the lidar systems.

    因此,在激光雷达系统中,探测淹没在噪声中的弱信号是一个基本又重要的问题。

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  • The initial work location is scaled by Angle tuning method in Doppler wind lidar which utilizes double edge technique.

    利用角度调谐的方法标定了多普勒测风激光雷达双边缘探测技术中的初始工作点。

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  • The incoherent wind lidar in ocean university of China is mainly used to detect wind field at low altitude (below 15km).

    中国海洋大学非相干激光雷达主要用于探测低空(15公里以下)大气风场。

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  • Monitoring the vertical distribution of the aerosol with lidar is one of the focuses in the environment monitoring field.

    激光雷达监测气溶胶垂直分布一直是大气环境监测领域的重要内容之一。

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  • To capture this important information, the laser-created cone of the lidar needed to be sent out from the centre of the turbine itself.

    为获得这些重要的信息,激光雷达建立的锥体模型顶点需要设置在风轮的中心点上。

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  • The double grating monochromator structure of pure rotational Raman lidar is introduced and the corresponding lidar equation is deduced.

    介绍了双光栅转动拉曼激光雷达的双光栅单色仪结构,并推导了相应的雷达公式。

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  • The author calibrates the point target of standard lambert slab and derives the theoretical formula of its lidar scattering cross section.

    推导了点目标的激光雷达散射截面的理论公式,对标准朗伯平板点目标进行了定标。

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  • The lidar system was installed on the research vessel (about 2500 t) of Ocean University of Qingdao. The experiment was conducted at 21 stations.

    雷达系统安装在青岛海洋大学的调查船上(约2500吨位),曾在21个站位进行了实验。

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  • Detecting the density of pollutant gas is one of the important applications of lidar. The minimum detectable concentration is a key index of lidar.

    探测大气中污染气体的浓度是激光雷达的一个重要应用方面,最小可探测浓度是衡量一个雷达系统的重要指标。

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  • The problem of estimating the log return power in a lidar system in the presence of multiplicative noise (speckle and turbulence noise) is discussed.

    针对存在斑纹和湍流这两类乘性噪声的激光雷达系统,讨论了对数回波功率的估计问题。

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  • Dr Mikkelsen and his colleagues worked out that they could use lidar to scan incoming wind and determine how it was behaving before it struck the turbine.

    Mikkelsen博士及其同事发现他们可以利用激光雷达来扫描将要到来的风,并且在其撞上涡轮之前预见其行动。

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  • Like its Cousins radar and sonar, lidar, works by broadcasting electromagnetic waves towards a target and then building up a picture from the reflection.

    与雷达和声纳技术相似,激光雷达的工作原理是通过向目标发射电磁波然后根据反射波构建图像。

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  • To help the lidar cop, the researchers replaced their classic lidar device, which used mirrors to direct the light, with a newly developed fibre-optic system.

    为了改善激光雷达,研究人员用新近发明的纤维光感系统,代替了原本以镜子来导光的经典激光设备。

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  • Edge detection plays an important role in lidar image procession. Its capability has direct influence on precision and performance of lidar imaging system.

    边缘检测是激光雷达图像处理的重要组成部分,其性能直接影响整个雷达系统的精度和性能。

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  • The lidar data confirmed this, leading Evans to conclude that it was not the center of a city but perhaps a temple or a garrison that saw only waves of temporary settlement.

    光学雷达数据肯定了这一点,令伊文思得出结论,这里不是城市的中心,或许是一座庙宇,又或是曾有过一支驻军,只经历了几波临时定居。

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  • Like its Cousins radar and sonar, lidar (light detection and ranging), works by broadcasting electromagnetic waves towards a target and then building up a picture from the reflection.

    与雷达和声纳技术相似,激光雷达(光探测和测距)的工作原理是通过向目标发射电磁波然后根据反射波构建图像。

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  • But the lidar data revealed a dense cityscape that even included the same spirals seen at Angkor Wat, and helped pinpoint areas for archaeologists to dig that had not been looted.

    但是光学雷达发现了一片密集的城市景观,甚至有和吴哥窟附近一样的螺旋,它协助考古学家们定位出精确区域,以便发掘遗迹中尚未被劫掠的部分。

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