A counter-flying object system that includes a sensor array including an active sensor for detecting and tracking the flying object. An interceptor missile launcher for launching an interceptor to intercept the flying object, wherein upon launching of the interceptor, the sensor array determines the
A counter-flying object system that includes a sensor array including an active sensor for detecting and tracking the flying object. An interceptor missile launcher for launching an interceptor to intercept the flying object, wherein upon launching of the interceptor, the sensor array determines the location of the interceptor and sends the object's and interceptor's locations to a control system. The control system provides mission data to the interceptor based on the object's and interceptor's locations for guiding the interceptor toward the flying object and activating a fragmentation warhead on or in the vicinity of the flying object when a lethality criteria is met.
대표청구항▼
1. A counter-flying object system, comprising: a sensor array that includes at least one active sensor configured to detect and track a flying object upon launch of the flying object and at least two passive sensors; the sensor array is configured to determine the flying object's location and upon l
1. A counter-flying object system, comprising: a sensor array that includes at least one active sensor configured to detect and track a flying object upon launch of the flying object and at least two passive sensors; the sensor array is configured to determine the flying object's location and upon launching of a seeker-less interceptor missile also the seeker-less interceptor missile's location and send the flying object's location and the seeker-less interceptor missile's location to a control system, the sensor array is further configured to achieve respective clock synchronization accuracy of at least 1 nanosecond between each two sensors of said array;the control system is configured to generate a mission data including Predicted Interception Point (PIP), a time of launch, interceptor missile separation time and transfer the mission data to an interceptor missile launcher,the control system is further configured to calculate, selectively update and send to said seeker-less interceptor missile, through an uplink communication channel, uplink messages including updated Predicted Interception Point, updated interceptor missile separation time and the location of the seeker-less interceptor missile during flight;the interceptor missile launcher is configured to launch the seeker-less interceptor missile at said time of launch towards said Predicted Interception Point (PIP);the seeker-less interceptor missile includes a separable motor, a warhead, a steering system, a communication system, and a navigation system configured to repeatedly generate navigation data;said seeker-less interceptor missile is configured to selectively utilize said mission data, said uplink messages and said navigation data for separation of said separable motor and generating steering commands to said steering system for guiding the seeker-less interceptor missile toward the updated PIP and activating a fragmentation warhead on or in a vicinity of said PIP when a lethality criteria is met,wherein synchronization is achieved by said control system performing computations based on the following equations: (Equations 1 and 2): PABS=PBS−PAS=ρABS+δtAB·c+BAB+IABS+TABS+εCode ΦABS=ΦBS−ΦAS=ρABS+δtAB·c+BAB−IABS+TABS+FABSεPhase wherein samples A provided by a first sensor include:PAS pseudo-range measurement of a satellite S at sensor A, andΦAS—carrier-phase measurement of said satellite S at sensor A,wherein samples B provided by second sensor include:PBS—pseudo-range measurement of said satellite S at said sensor B, andΦBS—carrier-phase measurement of said satellite S at said sensor B, and wherein:ρABS—difference in ranges between sensors A and B and said satellite S,C—speed of light,BAB—difference between hardware delays between said sensors A and B,IABS—difference in ionospheric delays between said sensors A and B and said satellite S,TABS—difference in tropospheric delays between said sensors A and B and said satellite S,FABS—difference in floating ambiguities between said sensors A and B and said satellite S,εCode—pseudo-range sampling noise,εPhase—carrier phase sampling noise,δtAB—time difference between said sensors A and B; {tilde over (P)}ABS=δtAB·c+εCode {tilde over (Φ)}ABS=δtAB·c+FABS+εPhase. 2. The system according to claim 1, wherein said control system further comprises an estimator for estimating a hitting point of the flying object and in case that the hitting point is of no interest, said control system is configured to refrain from commanding the interceptor missile launcher to launch said seeker-less interceptor missile. 3. The system according to claim 1, wherein said flying object is a ground to ground rocket. 4. The system according to claim 1 wherein the said flying object is an aircraft. 5. The system according to claim 1 wherein the said flying object is a cruise missile. 6. The system according to claim 1 wherein the separable motor of the interceptor is a motor of a ground to ground (GTG) rocket. 7. The system according to claim 1 comprising at least one interceptor launcher battery including at least two seeker-less interceptor missiles for intercepting at least two simultaneously flying objects. 8. The system according to claim 1 wherein the said active sensor is a radar. 9. The system according to claim 1 wherein the said active sensor is a ladar. 10. The system according to claim 1 wherein said warhead includes a proximity fuse. 11. The system according to claim 1 wherein the activation of said fragmentation warhead is initialized by said control system using a command for fusing transferred to the seeker-less interceptor missile by said uplink communication channel. 12. The system according to claim 1 wherein at least one of said at least one said passive sensor is fitted on a mobile platform. 13. The system according to claim 12, wherein the said mobile platform is the interceptor missile. 14. The system according to claim 1 wherein said array sensor is configured to track said launched seeker-less interceptor missile for determining an updated location of said launched seeker-less interceptor missile by processing a signal originated from a transmitter fitted on the seeker-less interceptor missile and received by said sensors. 15. A method of using the system according to claim 1 wherein said at least two passive sensors comprises a first sensor and a second sensor, and said sensor array is deployed as follows: said first passive sensor is deployed substantially at a direction of a threat at coordinates (0,Yant1,0), and the second passive sensor is deployed at substantially perpendicular direction at coordinates (Xant2, Yant2,0) and wherein the active sensor is capable of viewing backwardly and is deployed farther than said predicted interception point, where Rt/Xant2<1.5, and Rt/Yant1<1.5, and Yant2/Xant2<0.5.
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