A surveillance monitoring method is provided, which includes: executing an algorithm using a camera to perform a first inference on recognition of an obstacle and recognition of a target; tracking at least one object using the camera to generate image information; performing a second inference on recognition of the obstacle and recognition of the target using a radar; tracking the at least one object using the radar to generate radar information; fusing the image information and the radar information to obtain a first recognition result; collecting environmental information using the camera or the radar, and forming a confidence level based on the environmental information, the first inference, and the second inference; and dynamically adjusting a proportion of the image information and the radar information according to the confidence level when fusing the image information and the radar information to obtain a second recognition result.

A surveillance monitoring method is provided, which includes: executing an algorithm using a camera to perform a first inference on recognition of an obstacle and recognition of a target; tracking at least one object using the camera to generate image information; performing a second inference on recognition of the obstacle and recognition of the target using a radar; tracking the at least one object using the radar to generate radar information; fusing the image information and the radar information to obtain a first recognition result; collecting environmental information using the camera or the radar, and forming a confidence level based on the environmental information, the first inference, and the second inference; and dynamically adjusting a proportion of the image information and the radar information according to the confidence level when fusing the image information and the radar information to obtain a second recognition result.

A radar is equipped with a main antenna having three radiation patterns, sum, difference and control, corresponding to the antenna, the radar comprises an auxiliary antennal device, composed of an antenna and of a rear radiating element which is situated at the rear of the antenna, fixed above the antenna and coupling means, the auxiliary antennal device: having three radiation patterns, sum, difference and control, the control pattern ensured for the direction opposite to the antenna by the rear radiating element; the antenna inclined to guarantee a maximum gain of its sum pattern in the elevational domain (60°-90°).

A radar is equipped with a main antenna having three radiation patterns, sum, difference and control, corresponding to the antenna, the radar comprises an auxiliary antennal device, composed of an antenna and of a rear radiating element which is situated at the rear of the antenna, fixed above the antenna and coupling means, the auxiliary antennal device: having three radiation patterns, sum, difference and control, the control pattern ensured for the direction opposite to the antenna by the rear radiating element; the antenna inclined to guarantee a maximum gain of its sum pattern in the elevational domain (60°-90°).

Described embodiments provide techniques for controlling a phased array system by a control system including one or more distributed control stations. At least one of the control stations displays a control interface having a status window, a beam window, and a scan window. The control system instructs the phased array system to operate in an operating mode selected from among selectable operating modes displayed in the status window. In the beam window, at least one beam is selected from among selectable beams available to track a target. The control system instructs the phased array system to form the selected beam and assigns the formed beam to (i) track a target detected by the phased array system, or (ii) monitor a selected location. The scan window displays (i) targets tracked by the phased array system, and (ii) beams generated by the phased array system.

Described embodiments provide techniques for controlling a phased array system by a control system including one or more distributed control stations. At least one of the control stations displays a control interface having a status window, a beam window, and a scan window. The control system instructs the phased array system to operate in an operating mode selected from among selectable operating modes displayed in the status window. In the beam window, at least one beam is selected from among selectable beams available to track a target. The control system instructs the phased array system to form the selected beam and assigns the formed beam to (i) track a target detected by the phased array system, or (ii) monitor a selected location. The scan window displays (i) targets tracked by the phased array system, and (ii) beams generated by the phased array system.

A multi-application-transceiver device, control computer, computer implemented method and computer program product for operating the multi-application-transceiver device is disclosed. At least one signal transceiver receives a reflected signal in response to an original signal sent by the at least one signal transceiver. The reflected signal is reflected from at least one target object. A signal conversion unit converts the reflected signal into digital format. A digital signal processor component pre-processes the converted reflected signal using an alterable rule engine with a received rule set to discriminate a state inn change of the at least one target object against an earlier state of the at least one target object in the context of a particular monitoring application. A middleware component communicates with at least one remote computing device wherein communicate includes to send the pre-processed signal to the remote computing device, and to receive from the at least one remote computing device the rule set for the alterable rule engine. The received rule set defines an application specific setting for the at least one signal transceiver and for the digital signal processor component to enable the particular monitoring application.

A multi-application-transceiver device, control computer, computer implemented method and computer program product for operating the multi-application-transceiver device is disclosed. At least one signal transceiver receives a reflected signal in response to an original signal sent by the at least one signal transceiver. The reflected signal is reflected from at least one target object. A signal conversion unit converts the reflected signal into digital format. A digital signal processor component pre-processes the converted reflected signal using an alterable rule engine with a received rule set to discriminate a state inn change of the at least one target object against an earlier state of the at least one target object in the context of a particular monitoring application. A middleware component communicates with at least one remote computing device wherein communicate includes to send the pre-processed signal to the remote computing device, and to receive from the at least one remote computing device the rule set for the alterable rule engine. The received rule set defines an application specific setting for the at least one signal transceiver and for the digital signal processor component to enable the particular monitoring application.

Systems and method for detecting and removing an arbitrary phase difference between a sum channel signal and a difference channel signal in a monopulse system. A sum channel signal is received from a sum channel signal source and a difference channel signal is received from a difference channel signal source. The difference channel signal is shifted according to various potential arbitrary phase differences φ.sub.i and φ.sub.i+π (where φ.sub.i is from 0 to π radians, i=0, 1, . . . , n; φ.sub.i+π going from π to 2π radians) between the sum and difference channel signals to thereby generate difference channel signals each having a different phase. The difference channels having a different phase are combined with the sum channel signal to generate a plurality of sum+difference signals and sum−difference signals. Based on the plurality of sum+difference signals and sum−difference signals, maximum in-phase and out-of-phase correlations are determined from the φ.sub.i and φ.sub.i+π pairs. The maximum in-phase and out-of-phase correlation pairs are used in an error estimate calculation.

A method for interpolated virtual aperture array radar tracking includes: transmitting first and second probe signals; receiving a first reflected probe signal at a radar array; receiving a second reflected probe signal at the radar array; calculating a target range from at least one of the first and second reflected probe signals; corresponding signal instances of the first reflected probe signal to physical receiver elements of the radar array; corresponding signal instances of the second reflected probe signal to virtual elements of the radar array; interpolating signal instances; calculating a first target angle; and calculating a position of the tracking target relative to the radar array from the target range and first target angle.