Abstract: A system comprising a hemispherical array antenna having a plurality of antenna elements comprising a set of baseline antenna elements arranged in a first 360° circular antenna array, a set of upper antenna elements arranged in a second 360° circular antenna array and latitudinally aligned with the baseline antenna elements, and a set of lower antenna elements arranged in a third 360° circular antenna array and latitudinally aligned with the baseline antenna elements. The system includes a fleet base station including a plurality of non-shared receiver channels coupled to and dedicated to a particular antenna element. The base station is configured to provide 360° of transmission/reception from horizon to zenith using the antenna elements for command and control fleet communications to and from mobile devices and to provide secondary radar functions using the fleet communications to track the mobile devices based on received signal characteristics received at the antenna elements.

Abstract: A method of characterizing the performance of laser diode is disclosed wherein at least one laser diode device configured to emit optical radiation is detachably coupled to at least one carrier device, the carrier device configured to be positioned within at least one device test module, at least one unitary clamping force is controllably applied to the laser diode device thereby coupling the carrier device to the device test module, and at least one optical characteristic of the laser diode device is measured during use.

Abstract: A method of characterizing the performance of laser diode is disclosed wherein at least one laser diode device configured to emit optical radiation is detachably coupled to at least one carrier device, the carrier device configured to be positioned within at least one device test module, at least one unitary clamping force is controllably applied to the laser diode device thereby coupling the carrier device to the device test module, and at least one optical characteristic of the laser diode device is measured during use.

Abstract: A high power laser diode test system is disclosed which includes a housing body defining at least one device test module compartment therein, a power supply, the system controller, and thermal control system positioned within the device test module compartment, a device test module having at least one carrier device receiver formed therein detachably coupled to the housing body, and at least one carrier device configured to support at least one laser diode device coupled thereto detachably positioned within the carrier device port formed on the device test module.

Abstract: A high power laser diode test system is disclosed which includes a housing body defining at least one device test module compartment therein, a power supply, the system controller, and thermal control system positioned within the device test module compartment, a device test module having at least one carrier device receiver formed therein detachably coupled to the housing body, and at least one carrier device configured to support at least one laser diode device coupled thereto detachably positioned within the carrier device port formed on the device test module.

Abstract: The invention includes, in its various aspects and embodiments, a method and apparatus for detecting cross-eye jamming. In some embodiments, the invention includes mitigating cross-eye jamming once its presence is detected.

Abstract: A millimeter wave electronically scanned antenna is disclosed in both passive and active implementations. The antenna comprises a plurality of antenna components, wherein an antenna component, includes a coupler; a ground plane; a traveling wave phase shift line electrically connected to the coupler and grounded to the ground plane; and a plurality of fixed phase shifters, each fixed phase shifter electrically connected to the traveling wave phase shift line at a respective point thereon. One such component includes a plurality of radiating elements electromagnetically connected to a respective one of the fixed phase shifters. The antenna further includes a coupling component to which the radiating antenna is coupled to receive control signals and a radio frequency feed.

Abstract: An apparatus for use in controlling a simulated target position in a millimeter wave, hardware-in-the-loop system includes a pair of horns and a conditioning circuit. The conditioning circuit is capable of generating a pair of output millimeter wave signals, each to be broadcast from a respective one of the horns, the output millimeter wave signals being out of phase by a predetermined amount, and capable of attenuating at least one of the output millimeter wave signals to control the position of the simulated target in a first and a second region. A method for use in controlling a simulated target position in a millimeter wave, hardware-in-the-loop system includes generating a pair of output millimeter wave signals that are out of phase by a predetermined amount; attenuating at least one of the output millimeter wave signals to control the position of the simulated target in a first and a second region; and broadcasting the millimeter wave signals.

Abstract: An apparatus for use in controlling a simulated target position in a millimeter wave, hardware-in-the-loop system includes a pair of horns and a conditioning circuit. The conditioning circuit is capable of generating a pair of output millimeter wave signals, each to be broadcast from a respective one of the horns, the output millimeter wave signals being out of phase by a predetermined amount, and capable of attenuating at least one of the output millimeter wave signals to control the position of the simulated target in a first and a second region. A method for use in controlling a simulated target position in a millimeter wave, hardware-in-the-loop system includes generating a pair of output millimeter wave signals that are out of phase by a predetermined amount; attenuating at least one of the output millimeter wave signals to control the position of the simulated target in a first and a second region; and broadcasting the millimeter wave signals.

Abstract: A millimeter wave electronically scanned antenna is disclosed in both passive and active implementations. The antenna comprises a plurality of antenna components, wherein an antenna component, includes a coupler; a ground plane; a traveling wave phase shift line electrically connected to the coupler and grounded to the ground plane; and a plurality of fixed phase shifters, each fixed phase shifter electrically connected to the traveling wave phase shift line at a respective point thereon. One such component includes a plurality of radiating elements electromagnetically connected to a respective one of the fixed phase shifters. The antenna further includes a coupling component to which the radiating antenna is coupled to receive control signals and a radio frequency feed.

Abstract: A millimeter wave, passive electronically scanned antenna is disclosed. The antenna comprises a plurality of antenna components, wherein an antenna component, includes a coupler; a ground plane; a traveling wave phase shift line electrically connected to the coupler and grounded to the ground plane; and a plurality of fixed phase shifters, each fixed phase shifter electrically connected to the traveling wave phase shift line at a respective point thereon. One such component includes a plurality of radiating elements electromagnetically connected to a respective one of the fixed phase shifters. The antenna further includes a coupling component to which the radiating antenna is coupled to receive control signals and a radio frequency feed.

Abstract: An antenna system includes a plurality of transmit elements spaced apart by a first dimension and a plurality of receive elements spaced apart by a second dimension, such that the first dimension is a non-integer multiple of the second dimension and the second dimension is a non-integer multiple of the first dimension. A method includes transmitting a signal from a plurality of transmit elements spaced apart by a first dimension and receiving a portion of the transmitted signal reflected from an object via a plurality of receive elements spaced apart by a second dimension, such that the first dimension is a non-integer multiple of the first dimension and second dimension is a non-integer multiple of the first dimension.

Abstract: An antenna system includes a plurality of transmit elements spaced apart by a first dimension and a plurality of receive elements spaced apart by a second dimension, such that the first dimension is a non-integer multiple of the second dimension and the second dimension is a non-integer multiple of the first dimension. A method includes transmitting a signal from a plurality of transmit elements spaced apart by a first dimension and receiving a portion of the transmitted signal reflected from an object via a plurality of receive elements spaced apart by a second dimension, such that the first dimension is a non-integer multiple of the first dimension and the second dimension is a non-integer multiple of the first dimension.