主动遥感

激光雷达（Lightingdetectionandranging，LIDAR）是一种主动遥感技术，能够精确地获取地表物体的三维特征信息。

Lighting detection and ranging ( LIDAR ) is an active remote sensing , which can precisely acquire 3D feature information of earth objects .

激光主动遥感技术及其应用

Technologies and Applications of Laser Active Remote Sensing

多普勒雷达以其高时空分辨率、实时准确的主动遥感探测能力成为灾害性天气监测和短时天气预报等方面极为有效的工具，国家正在建设中国新一代天气雷达CINRAD网。

Doppler radar is the effective tool in disaster surveillance and weather forecast for its high space-time identification and powerful initiative remote sensing in real-time .

激光雷达（LightDetectionAndRanging，LiDAR）是一项通过由传感器所发出的激光来测定传感器与目标物之间距离的主动遥感技术。

LiDAR ( light detection and ranging ) is an active remote sensing technique , LiDAR instruments measure the roundtrip time for a pulse of laser energy to travel between the sensor and a target , provide a distance or range from the instrument to the object .

激光大气主动遥感测量应用综述

Application Summarization for Laser Active Remote Sensing Measurement of Atmosphere

激光雷达作为一种先进的主动遥感仪器，近年来被广泛应用于大气科学和环境科学等研究领域。

Lidar , one of advanced active remote sensing instruments , has been widely used in many research fields , such as Atmospheric science and Environmental science .

微脉冲激光雷达是研究气溶胶光学性质的一种有效工具，将其安装在飞机上对大气气溶胶进行主动遥感探测有着十分重要的意义。

MPL ( Micro-pulse lidar ) is an effective method to study optical property of aerosol and it is significant for active remote sensing of atmosphere aerosol using MPL aboard the aircraft .

将其装载在轮船、飞机等载体上对大气消光系数、能见度进行主动遥感探测具有十分重要的军事应用意义。

By loaded on ships , aircraft and other carriers , it can do initiative remote sensing detection of atmospheric extinction coefficient or visibility . This has important significance for military applications .

合成孔径雷达（syntheticApertureRadar，SAR）作为一种主动的遥感成像手段，在环境保护、军事侦察、海洋观测、地质测绘等方面有广泛的应用。

As an active means of remote sense imaging , Synthetic Aperture Radar ( SAR ) has widely used in environmental protection , military reconnaissance , ocean observations and geological mapping .

根据矩阵耦合法（MatrixDoubling）和改进的积分方程模型（AIEM），实现了一种用于植被主动微波遥感的高阶辐射传输模型。

A model based on matrix doubling algorithm and advanced integral equation method was implemented for active remote sensing of vegetation .

因此，全天时、全天候、不依赖于光照条件，具有高重复覆盖率的主动微波遥感器-合成孔径雷达（SAR）被认为是这些地区农作物监测的最重要的信息源之一。

Therefore , the active ware of microwave communication-SAR ( Synthetic Aperture Radar ), which is timely , independent of illumination and high rate repeating coverage , has been considered as one of the most important information sources of agricultural inspection in these areas .

星载主动光学遥感技术现状

Status of space-based active optical remote sensing

主动微波遥感土壤水分观测中的最优雷达参数选择

Optimum Radar Parameters for Mapping Soil Moisture

主动微波遥感空间分辨率较高，但对土壤粗糙度和植被敏感；

Active microwave can provide high spatial resolution but is sensitive to soil rough and vegetation .

主动微波遥感观测的后向散射系数与地表介电常数关系密切，为土壤水分的反演研究提供了可能性。

Backscatter coefficient observed by active microwave remote sensors , has high relation with surface dielectric constant , which makes it a possible data resource to retrieve soil moisture .

冻土遥感研究进展&可见光、红外及主动微波卫星遥感方法高级微波水汽遥感器

Overview of the Satellite Remote Sensing of Frozen Ground : Visible-thermal Infrared and Radar Sensor advanced microwave moisture sensor

多分类SVM主动学习及其在遥感图像分类中的应用

Remote sensing lmage classification using active learning with multiclass support vector machine

主动式海洋微波遥感探测原理和应用

The Probing Principles and Applications of the Active Marine Microwave Remote Sensing

无论是主动还是被动微波遥感，在估算土壤水分时都需要考虑地表粗糙度和植被覆盖的影响，并设法将这些影响加以消除。

The effect of surface roughness and vegetation cover must be considered and managed to eliminate in soil moisture estimation no matter to the active or passive remote sensing .

由于主动微波观测受地面高程、地形和夏季冰雪融化等因素的影响比较大，主动微波遥感在大面积估算冰雪厚度还有一定困难，有待将来作进一步的深入研究。

Using the ASAR data to estimate snow depth still has a certain difficulty in a large-scale , therefore , a thorough study is necessary in the future .

主动微波具有卫星数据空间分辨率高的特点，随着携载主动微波器的一系列卫星的发射，主动微波遥感土壤湿度将受到重视。

With launch of a series of satellites with active microwave sensors , active microwave remote sensing of soil moisture will be emphasized .