2024知到答案 环境遥感 最新知到智慧树满分章节测试答案

第一章 单元测试

1、 问题:Which of the following is not a component of the electromagnetic spectrum? （ ）
选项：
A:Visible light
B:Infrared radiation
C:Sound waves
D:Radio waves
答案: 【
Sound waves
】

2、 问题:Which of the following electromagnetic radiation wavelengths is not typically used in remote sensing? （ ）
选项：
A:Ultraviolet radiation
B:Microwave radiation
C:Gamma radiation
D:Radio waves
答案: 【
Gamma radiation
】

3、 问题:Spatial resolution refers to: （ ）
选项：
A:The ability of a sensor to detect different wavelengths of electromagnetic radiation
B:The size of the smallest object or feature that can be detected by a remote sensing system
C:The distance between the sensor and the target being observed
D:The amount of energy reflected by the target being observed
答案: 【
The size of the smallest object or feature that can be detected by a remote sensing system
】

4、 问题:According to Wien’s displacement law, if the temperature of a blackbody doubles, the wavelength of maximum radiation emitted will: （ ）
选项：
A:Halve
B:Double
C:Quadruple
D:Remain the same
答案: 【
Halve
】

5、 问题:Which of the following is true about spectral resolution? （ ）
选项：
A:Higher spectral resolution means that smaller objects can be detected
B:Lower spectral resolution means that fewer spectral bands can be detected
C:Spectral resolution is not important for image interpretation
D:Spectral resolution is determined by the size of the sensor used to collect the data
答案: 【
Lower spectral resolution means that fewer spectral bands can be detected
】

6、 问题:Planck’s equation relates: （ ）
选项：
A:The frequency of electromagnetic radiation to its energy
B:The intensity of electromagnetic radiation to its frequency
C:The speed of electromagnetic radiation to its wavelength
答案: 【
The frequency of electromagnetic radiation to its energy
】

7、 问题:Which of the following statements is true about radiance? （ ）
选项：
A:It is the rate at which energy is emitted or transmitted by an object in the form of electromagnetic radiation
B:It is the amount of energy per unit area per unit time
C:It is the amount of energy per unit solid angle per unit time
D:It is the amount of energy per unit volume per unit time
答案: 【
It is the amount of energy per unit solid angle per unit time
】

8、 问题:Electromagnetic radiant flux density is measured in: （ ）
选项：
A:Watts per square meter
B:Watts per steradian
C:Watts per cubic meter
D:Joules per square meter
答案: 【
Watts per square meter
】

9、 问题:Which of the following surfaces would have the highest solar energy absorption? （ ）
选项：
A:A black surface
B:A white surface
C:A green surface
D:A blue surface
答案: 【
A black surface
】

10、 问题:Reflectance is the ratio of: （ ）
选项：
A:The amount of electromagnetic radiation absorbed by a surface to the amount of radiation reflected by the surface
B:The amount of electromagnetic radiation reflected by a surface to the amount of incident radiation
C:The amount of electromagnetic radiation transmitted through a surface to the amount of radiation absorbed by the surface
D:The amount of electromagnetic radiation absorbed by a surface to the amount of radiation transmitted through the surface
答案: 【
The amount of electromagnetic radiation reflected by a surface to the amount of incident radiation
】

第二章 单元测试

1、 问题:Which of the following electromagnetic radiation wavelengths is typically used for thermal imaging? （ ）
选项：
A:Visible light
B:Infrared radiation
C:Ultraviolet radiation
D:X-rays
答案: 【
Infrared radiation
】

2、 问题:Thermal remote sensing data usually have finer spatial resolution than the multispectral data acquired from the same platform. （ ）
选项：
A:对
B:错
答案: 【
错
】

3、 问题:Which of the following is not a passive remote sensing technology? （ ）
选项：
A:Landsat
B:Synthetic Aperture Radar (SAR)
C:Airborne LiDAR
D:Moderate Resolution Imaging Spectroradiometer (MODIS)
答案: 【
Synthetic Aperture Radar (SAR)
】

4、 问题:What is the major difference between the multispectral and hyperspectral remote sensing data? （ ）
选项：
A:Spatial resolution
B:Band width
C:Active and passive
D:Temporal resolution
答案: 【
Band width
】

5、 问题:Why is it more difficult to apply the SAR technology to the urban areas than the forest? （ ）
选项：
A:Urban areas are warmer than the forests
B:Buildings are taller than trees
C:Buildings cause corner reflection
答案: 【
Buildings cause corner reflection
】

6、 问题:SAR can measure vegetation biomass and pigment. （ ）
选项：
A:对
B:错
答案: 【
错
】

7、 问题:Passive microwave remote sensing is not suitable to studying land cover change in urban areas, because （ ）
选项：
A:It has coarse resolution
B:It has large spatial coverage
C:It can penetrate clouds
答案: 【
It has coarse resolution
】

8、 问题:How does Yangtze River look like in the SAR image? （ ）
选项：
A:Colorful
B:Bright
C:Dark
答案: 【
Dark
】

9、 问题:Thermal remote sensing and passive microwave remote sensing both measure （ ）
选项：
A:Longer-wave energy emitted by objects
B:Solar energy reflected by objects
C:Short-wave energy scattered by objects
答案: 【
Longer-wave energy emitted by objects
】

10、 问题:Which of the following remote sensing technologies is best suited for monitoring changes in land use and land cover over time? （ ）
选项：
A:RADAR
B:LiDAR
C:Hyperspectral imaging
D:Multispectral imaging
答案: 【
Multispectral imaging
】

第三章 单元测试

1、 问题:Which of the following indices is commonly used to map water extent? （ ）
选项：
A:Normalized Difference Vegetation Index (NDVI)
B:Normalized Difference Water Index (NDWI)
C:Enhanced Vegetation Index (EVI)
D:Soil Adjusted Vegetation Index (SAVI)
答案: 【
Normalized Difference Water Index (NDWI)
】