EXAMIANS
Coherence of two electromagnetic waves takes place if their phase difference is:
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Geodimeter is based on:
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Which one of the following parameters is considered to determine the reflectance of a vegetation canopy?
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If θ is the angle of scan measured from the nadir, the ground distance swept by the sensor IFOV is proportional to:
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The basic requirement of any sensor system is:
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In GPS, receivers are used are;
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According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂);
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DGPS is based on the concept that bias errors in the position of locations in a given local area, are same if their distances are within
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The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target,
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Consider the following statements regarding the satellite imaging:<br/>1. The satellite orbit is fixed in the inertial space<br/>2. During successive across-track imaging, the earth rotates beneath the sensor<br/>3. The satellite images a skewed area<br/>Which one of the following statements is/are correct?
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