lunar soil

Methods and advances in research on lunar soil thickness

月壤厚度的研究方法与进展

Research on Lunar Soil Analysis Based on Multi-spectral Image Fusion and Target Classification of Neural Network

基于多光谱融合和神经网络分类的月壤分析研究

They also grew significantly less well in lunar soil .

小萝卜在月球土壤中的生长状况也更糟糕。

Study on the Thickness of Lunar Soil with Microwave Radiometer

利用微波辐射计对月壤厚度进行研究

A Preliminary Study of the Dielectric Properties of Lunar Soil Simulants

模拟月壤微波介电特性的初步研究

A kind of device to drill and collect lunar soil and rocks is designed .

设计了一种用来钻取月球表面岩石和土壤的新型机构。

The Influence Factor Analysis for a Dual-sensor Probe to Measure the Lunar Soil 's Thermal Properties

双探针法测量月壤热物性参数的影响因素分析

The physical , mechanical and engineering properties of lunar soil have great impact on all these explorations .

月壤的物理力学性质和工程性质对这些相互作用有重要的影响。

The interaction between a rigid wheel and lunar soil simulant

刚性轮与模拟月壤相互作用初步研究

Spectral Bands for Identification of Meteorite and Lunar Soil

陨星和月球土壤的光谱识别

At first , the physical and mechanical properties of the stimulant lunar soil are studied through laboratory tests .

首先对月壤和常用模拟月壤的物理力学性质进行了总结归纳，通过室内试验研究了本文所用合成月壤的基本物理力学性质，并与月壤进行了比较，对合成月壤进行了评价。

After comparing the inverse results from different method , RT method is chose to estimate the thickness of lunar soil .

又因DGF方法比较适用于严格分层媒质，而月表并非严格双层结构，因此在月壤厚度评估中，选用RT方法对月壤厚度进行评估比较合适。

The sampling device controlling system is to take lunar soil into the heating equipment automatically in the control of digital signal processor .

取样臂控制系统是通过信号处理器自动控制电机来驱动取样装置掘取月球表面土壤，并最终将采集的月壤送入加热设备的过程。

This essay also gives brief introduction of the physical and chemical components and property of lunar soil in the appendix .

本文还在附录中简要介绍了月壤的物理和化学组成及性质。

According to its physical mechanics properties , the statics characteristic of lunar soil is studied using DEM software PFC3D .

以典型月壤的物理力学性质为参照标准，采用颗粒流程序PFC3D对月壤静力学特性进行了离散元模拟研究。

Research on lunar soil thickness is very important in lunar exploration , human lunar landing and lunar resource exploitation in the future .

月壤厚度的研究对未来月球探测、登月与月球资源开发均具有十分重要的意义。

The DEM contacting mechanics model of lunar soil was built by triaxtest to adjust the particle micro parameters .

通过离散元模拟三轴试验反复调整颗粒细观参数，建立了月壤离散元接触力学模型；

The model of multi layers dense media is developed for numerical simulation of polarized brightness temperature from layering lunar soil and rock .

提出模拟多层月壤月岩的多层密集粒子介质辐射传输的一种建模，在各有关参数条件下计算了各通道的多层月壤月岩辐射亮度温度。

Chang'e-5 , scheduled to land on the moon by 2017 , is expected to bring samples of lunar soil and rock back to Earth .

“嫦娥五号”预定于2017年登月，有望将月球土壤样本和岩石带回地球。

Multiple landing tests are finished on the condition of different oblique angles of the moon surface by means of simulation lunar soil made by ourselves .

使用自制仿月壤，在不同月面倾角情况下进行了多次着陆试验。

One of the purposes of the lunar soil deep-sampling mission is to obtain samples of lunar soil with original bedding information .

月壤深层取样的目标之一是取回尽量保持原有层理信息的月壤样品。

The aim of this paper is to find a method to estimate the thickness of lunar soil from the values measured by lunar microwave radiometer .

本文的主要目的是寻找一种反演方法，利用月球探测卫星微波辐射计的亮度温度数据评估月壤厚度。

Based on the physical and mechanical characteristics of real lunar soil , the possibility of using the volcanic ash to simulate the lunar soil is explored .

通过现有关于真实月壤的物理机械性质的总结，考察了利用火山灰模拟月壤的可能性。

When above mentioned interaction problems are studied , lunar soil simulant is needed , which can simulate the main physical and mechanical properties of lunar soil .

在地球上研究这些相互作用问题，需要采用能较好地模拟真实月壤主要物理力学性质的模拟月壤，以及研究不同重力场对模拟月壤工程性质的影响。

The main contents of this paper are listed as follow : ( 1 ) The data preprocess algorithms are improved for the spectral data of lunar soil simulants .

本文的主要研究内容及成果如下：（1）模拟月壤光谱数据的预处理算法及算法改进。

But scientists working on a way to harvest oxygen from the iron oxide in lunar soil for future moon bases realized that they happened on a better way to make steel here on Earth .

然而科学家们正致力于研究一种从月球土壤中的氧化铁里获得氧气的方法。因为未来月球基地意识到在地球上以这种方式炼钢更好。

The payoffs of the moon could include helium-3 mined from the lunar soil , potentially a fuel for future fusion reactors , although practical fusion reactors are still decades away .

登月的回报可能包括从月球土壤中开采的氦-3，这可能是未来聚变反应堆的燃料，尽管实际的聚变反应堆还需要几十年的时间才会出现。

So far , the lander and rover have operated for more than 610 days . Yutu 2 has traveled about 520 meters on the lunar soil .

到目前为止，着陆器和月球车在月球表面工作时长超过610天，月球车已累积行驶520米左右。

Four decades after the last astronauts landed on the moon and planted an American flag in lunar soil , scientists wondered : ' Does that star spangled banner yet wave ? '

在最后一名宇航员登陆月球并在地面插上美国国旗四十年之后，科学家在想：“星条旗依然舞动着吗？”

At last , combining the vertical impact model with the horizontal dragging model proposed in the thesis based on trajectory theory , a mechanical model was obtained to describe the interaction between footpad and lunar soil stimulant in landing impact process .

采用运动轨迹理论将本文提出的竖向冲击力学模型和水平拖曳力学模型结合，得到了描述着陆冲击过程中足垫与模拟月壤相互作用力学模型。