The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called:
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Civil Engineering · all questionsElements Of Remote Sensing
Elements Of Remote Sensing
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Which one of the following parameters is accurate for DGPS?
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Which one of the following errors is produced by platform characteristics of the sensor?
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If electric permittivity and magnetic permeability of the medium are respectively and , then the velocity (Cm) of the electromagnetic wave in the medium is given by:
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The altitudinal distance of a geostationary satellite from the earth is about:
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Which one of the following statements is correct regarding the GPS satellites?
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For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is:
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Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects:
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A perfectly black body:
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Which one of the following parameters is considered to determine the reflectance of a vegetation canopy?
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Which one of the following statement is correct?
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The coherence length over which there is a strong relationship between amplitudes is;
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Crop Acreage and Production Estimation (CAPE) was funded and taken up in 1983 by:
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"An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media". This phenomenon is known as:
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Which one of the following geometric errors of satellite sensors is random?
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In GPS, receivers are used are;
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Geodimeter is based on:
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If flying height of a spacecraft is H, the length of air base is B and the parallax difference between two points is dp, then the difference in height
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In case of reflection and refraction of electromagnetic radiation,
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Electromagnetic radiation:
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