IMAGING SYSTEM
First Claim
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1. An imaging system comprising:
- a pulsed radiation source irradiating a target area; and
a detector for detecting reflected radiation, the detector outputting an output signal characteristic of a scene via a detector read out circuit, in which output signals from several pulses are combined to reduce an effect of noise on the output signal, said combination occurring within a focal plane array of the detector.
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Abstract
An imaging system is described which includes a radiation source outputting radiation incident on a scene. The radiation is pulsed and the reflected radiation is detected by a detector array and a resulting signal output by a read out circuit. The signal output is characteristic of the scene on which the radiation is incident. The output signal is combined over a number of pulses, the averaging being carried out on-chip and within the detector circuitry. The radiation source may be a semiconductor diode source amplified with a doped fibre amplifier.
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Citations
9 Claims
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1. An imaging system comprising:
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a pulsed radiation source irradiating a target area; and a detector for detecting reflected radiation, the detector outputting an output signal characteristic of a scene via a detector read out circuit, in which output signals from several pulses are combined to reduce an effect of noise on the output signal, said combination occurring within a focal plane array of the detector. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. (canceled)
Specification