index int64 0 36 | question stringlengths 27 253 | answer stringclasses 4
values | A stringlengths 1 118 | B stringlengths 1 155 | C stringlengths 1 157 | D stringlengths 1 106 | image imagewidth (px) 122 1.38k |
|---|---|---|---|---|---|---|---|
0 | Which of the following statements about Band ① is accurate? | D | It is suitable for thermal remote sensing. | It is used in passive remote sensing. | It operates only during the day and is affected by weather conditions. | It can penetrate vegetation to detect subsurface targets. | |
1 | Which step in photogrammetry is illustrated in the provided image? | B | Super-resolution | Motion compensation | Radiometric correction | Stereo image matching | |
2 | Which SAR bands correspond to interferograms ①, ②, and ③, respectively? | A | X, C, L | X, L, C | C, X, L | C, L, X. | |
3 | What does the image depict? | B | A thermal image of a forest | A LiDAR point cloud of forest vegetation | A LiDAR point cloud of urban areas | A simulated 3D model of a grass field | |
4 | In the GIS project illustrated, what type of spatial query is most appropriate for determining the number of villages located near the highway? | A | Select villages that intersect the buffer zone. | Find all points that have a spatial join. | Select point-in-polygon query. | Analyze the distance calculation. | |
5 | Let $c$ be the speed of light, and $c_r$ be the C/A-code chipping rate. How is the pseudorange to a satellite calculated based on the given figure? | B | $c(t_{rcve} + t_{e_i} + X_i/c_r)$ | $c(t_{rcve} - t_{e_i} - X_i/c_r)$ | $c(t_{rcve} + t_{e_i} - X_i/c_r)$ | $c(t_{e_i} - t_{rcve} - X_i/c_r)$ | |
6 | What does the formula in the image represent in remote sensing, where B8, B4, and B2 correspond to Sentinel-2 bands? | C | Normalized Difference Vegetation Index (NDVI) | Soil Adjusted Vegetation Index (SAVI) | Enhanced Vegetation Index (EVI) | Green Chlorophyll Index (GCI) | |
7 | In the provided DEM visualization, four areas (①, ②, ③, ④) are marked. Based on the terrain characteristics, which area is the least likely to pool water? | B | ① | ② | ③ | ④ | |
8 | Which of the following inferences is most likely correct based on the image? | A | Wetland converted to lake | River expanded to lake | Saline-alkali or sandy land converted to lake | Glacier meltwater became lake | |
9 | Which remote sensing quality issue is present in the image? | D | Twisted Object | Blur | Stitching Misalignment | Strip Noise | |
10 | In which direction from the hospital (marked by red box) is the parking lot (blue box) located? | A | East | Northeast | Northwest | West | |
11 | Which of the following statements about the image is NOT correct? | D | The river (No. 10) registered a much lower temperature than both lakes (Nos. 3 and 4). | Lakes (Nos. 8 and 9) show low land surface temperature regions on the map. | There is a significant temperature difference between the central areas of both football grounds (No. 3 and No. 4) due to their natural and artificial lawns. | In the residential area (No. 11), the average land surface temperature reaches up to 60°C. | |
12 | What is the most likely actual distance between points A and B in the figure? | C | 1657 meters | 250 km | 591 km | 56 km | |
13 | What is the primary function of window ② in remote sensing? | C | Observing Earth’s thermal emissions | Monitoring vegetation and water bodies | Capturing visible light for imaging and analysis | Detecting greenhouse gases | |
14 | Which panel in the image is most likely to be a hyperspectral image in remote sensing? | A | Panel 2 | Panel 3 | Panel 7 | Panel 1 | |
15 | What is the approximate geospatial location of point A (marked by the red dot in the image)? | B | 24°W, 8°S | 38°W, 8°S | 37°W, 13°S | 52°W, 21°S | |
16 | This figure shows two remote sensing images over the same area at different times, with the left image being pre-change and the right image being post-change. Which type of land cover change accounts for the largest proportion of the total changed area? | A | Low vegetation to Building | Low vegetation to Water | Low vegetation to Non-vegetated surface | Tree to Building | |
17 | Which bounding box corresponds to the class 'baseball field’ in this image? | D | The red box | The blue box | The green box | The orange box | |
18 | Which of the following best summarizes the scene in this remote sensing image? | C | rock land | desert | bare land | quarry | |
19 | What does layer ⑤ represent in the provided diagram? | D | Exosphere | Thermosphere | Mesosphere | Troposphere | |
20 | Which color line segment in the image represents the ‘layover’ distortion in SAR imaging? | A | Red; | Green; | Blue. | None of them. | |
21 | Which satellite is shown in the image? | C | ResourceSat 1 | Landsat 7 | Sentinel-2 | Terra | |
22 | The thermal emission spectra of major mineral classes are provided in the image. Which mineral class has the most distinct emissivity features in the 1000-1600/cm range? | A | Carbonate | Oxide | Hydroxide | Sulfate | |
23 | What are panels (a), (b), and (c) most likely representing in terms of ASTER imaging for the Saline Valley area in California? | A | Panel (a): Visible spectrum, Panel (b): SWIR spectrum, Panel (c): Thermal Infrared (TIR) spectrum. | Panel (a): SWIR spectrum, Panel (b): Visible spectrum, Panel (c): Near-Infrared (NIR) spectrum. | Panel (a): Visible spectrum, Panel (b): Near-Infrared (NIR) spectrum, Panel (c): Thermal Infrared (TIR) spectrum. | Panel (a): Visible spectrum, Panel (b): SWIR spectrum, Panel (c): Near-Infrared (NIR) spectrum. | |
24 | The image displays LANDSAT-TM data with atmospheric correction (right) and without atmospheric correction (left). Which area in the image is most likely to benefit from atmospheric correction? | C | Urban areas | Water bodies | Vegetation areas | Bare soil regions | |
25 | The image outlines a framework for calculating lake water volume in four steps. Which remote sensing indices are applicable for the first step? | B | NDVI and SAVI. | NDWI and MNDWI. | NIR and SWIR. | DEM and TIN. | |
26 | What can be inferred from the image? | C | The soil moisture in Australia between October 3, 2015, and October 5, 2015, is higher than 0.15 m³/m³. | The soil moisture in North Africa between October 3, 2015, and October 5, 2015, is around 0.30–0.50 m³/m³. | The Amazon Basin has the largest area of high soil moisture globally between October 3, 2015, and October 5, 2015. | The soil moisture in North America between October 3, 2015, and October 5, 2015, is lower than 0.15 m³/m³. | |
27 | Which of the following statements for the given binocular vision image is NOT correct? | C | M is the floating (measuring) mark. | To achieve this visualization, each eye must only watch one image. | M is used to measure distances in two-dimensional space. | The images are aligned to simulate depth perception in the visual system. | |
28 | What is a major advantage of the remote sensing scanning method shown in the right panel? | C | Higher spectral resolution | Higher spatial resolution | More consistent data quality | Wider range of spectral wavelengths | |
29 | Which of the following best summarizes the scene in this remote sensing image? | C | swimming pool | ground track field | basketball court | tennis court | |
30 | What is the primary role of (a) in the diagram? | B | To collect data on satellite positions and signal integrity, then send real-time corrections to WAAS-enabled receivers | To collect GPS satellite data, including clock errors and signal delays, and forward it to the wide-area master station for partial correction calculations | To assess the integrity of GPS signals by identifying inaccuracies in user positions calculated using satellite broadcasts | To support real-time corrections for user receivers | |
31 | What does the section labeled 1 represent? | B | b + g | g + r | r + b | w - g | |
32 | Which option correctly identifies the types of GIS data shown from left to right? | C | Polygon, Point, Line | Point, Line, Polygon | Polygon, Line, Point | Line, Polygon, Point | |
33 | What does the red color in panel (b) most likely indicate? | B | Vegetation cover | Built-up areas | Water bodies | Bare soil | |
34 | How many aircraft are there in the image? | C | 13 | 10 | 12 | 9 | |
35 | Which types of Digital Elevation Models (DEMs) are presented in the image from left to right? | A | Grid Cell DEM, TIN, Contour Lines | Grid Cell DEM, Contour Lines, TIN | Contour Lines, TIN, Grid Cell DEM | TIN, Grid Cell DEM, Contour Lines | |
36 | What type of energy is primarily used by the system on the left? | B | Microwave emissions from Earth. | Reflected solar radiation. | Artificial radar pulses. | Emitted X-rays from Earth’s core. |
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