Detection of rocket body through an active firing plume
First Claim
1. A method for defining the image of a firing rocket body during boost phase comprising the steps of:
- a) selecting a detection wavelength in accordance with a boost phase temperature of said rocket body;
thenb) scanning a preselected region at said detection wavelength to receive a detected image characteristic of aid rocket body during boost phase; and
thenc) removing a component of said detected image corresponding to a plume of said firing rocket body during boost phase whereby substantially only the image of said rocket body remains.
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Abstract
Apparatus and a method for intercepting a rocket body during boost phase. A sensor is arranged to detect thermal emission in a range that is characteristic of a firing rocket body. The image detected by the sensor is applied to an analog-to-digital converter for digitization and application to a computer that includes a routine for separating the modulated photon energy of the detected image from the substantially unmodulated photon energy that characterizes rocket body emissions. The unmodulated photon energy, signature of the rocket body, may be utilized by a fire control system for tracking, targeting and aiming munitions at the firing rocket body.
31 Citations
8 Claims
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1. A method for defining the image of a firing rocket body during boost phase comprising the steps of:
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a) selecting a detection wavelength in accordance with a boost phase temperature of said rocket body;
thenb) scanning a preselected region at said detection wavelength to receive a detected image characteristic of aid rocket body during boost phase; and
thenc) removing a component of said detected image corresponding to a plume of said firing rocket body during boost phase whereby substantially only the image of said rocket body remains. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for intercepting a firing rocket body during boost phase comprising the steps of:
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a) selecting a detection wavelength in accordance with a boost phase temperature of said rocket body;
thenb) scanning a preselected region at said detection wavelength at a predetermined rate to receive a detected image;
thenc) analytically removing a component of said detected image corresponding to a plume of said firing rocket body during boost phase whereby substantially only data representing the image of said rocket body remains;
thend) encoding said data to generate a signal for real time tracking of said rocket body by a fire control system; and
thene) applying said signal to said fire control system to enable interception of said rocket body.
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8. Apparatus for intercepting a firing rocket body during boost phase comprising, in combination:
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a) a sensor for detecting radiation of predetermined wavelength; b) an analog-to-digital converter for transforming a detected image to a digital data representation; c) a computer programmed to remove data describing said detected image corresponding to modulated photon content horn data corresponding to substantially unmodulated photon content over a predetermined frequency range that includes said predetermined wavelength; d) a signal conditioner for receiving said data corresponding to substantially unmodulated photon content and providing a tracking signal in response thereto; and e) a fire control system for receiving said signal and engaging said rocket body in response thereto.
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Specification