Abstract: A new mortar projectile for use to resupply various payloads to distant troops. The mortar projectile has the capability of rapidly and accurately transporting the payloads to forward disposed combatants without interference of terrain or enemy action. The mortar projectile includes a shell body for housing the payload to be delivered, and a GPS-guided parafoil for delivering the payload to the designated remote target location.

Abstract: An integrated surrogate positioning system and method is disclosed for converting a received positioning signal to a desired output based on existing infrastructure of a host receiver. The system and method comprises a signal processing system for receiving and downconverting to digital, radio frequency positioning signals from a variety of constellations. A radio frequency signal generator receives the positioning solution and determines output positioning signal parameters based on the requirements of the host receiver. The signal generator produces an output baseband positioning signal based on the received positioning solution and the output positioning signal parameters and transmits the positioning signal to the host receive through existing infrastructure.

Abstract: A monopulse beam former for an array antenna composed of a plurality of sub-arrays. In one embodiment, a monopulse beam former includes, for each sub-array, a sum feed network and a delta feed network, each feeding an analog processor. The delta beam former includes a plurality of couplers with coupling coefficients increasing linearly across the sub-array. The analog processor includes a first gain-phase module in line with the output of the delta feed network, and a second gain-phase module adjusting the gain and phase of a portion of the output of the sum feed network added to the delta signal. The gain settings and phase settings of the first and second gain-phase modules are adjusted to provide a piecewise-linear approximation to a desired antenna pattern.

Abstract: A combined steering and drag reduction device for a missile is disclosed. The device includes a base and an upper part which are arranged in succession along a main axis of navigation of the missile. Advantageously, the device also includes a pressurized-gas generator and at least one lateral thruster having at least one nozzle configured to deliver a thrust, by expanding gas transmitted by the generator and oriented along an axis substantially perpendicular to the main axis. The at least one lateral thruster also has at least one stabilizing chamber configured to expand the gas transmitted by the generator and expel it through an outlet section of the base substantially perpendicular to the main axis.

Abstract: A method of improving position determination of a device using locally measured movement. A first position fix of a Global Navigation Satellite System (GNSS) receiver system of a device is accessed. A second position fix of the GNSS receiver system is accessed at a time subsequent to the first position fix. Locally measured device movement information is obtained from at least one sensor, that is in a known physical relationship to the device, for a time period after the first position fix and no later than the second position fix, wherein the at least one sensor comprises an image capture device. The quality of measurement of the second position fix is improved by disciplining the second position fix based on the locally measured device movement information.

Abstract: A method of operating a pulse-Doppler radar system includes the steps of generating a plurality waveforms, with each waveform comprising a plurality of pulses generated with a staggered pulse repetition frequency (PRF) from pulse to pulse. Received reflected return signals from the generated plurality of waveforms are filtered by a plurality of Doppler filters that span an entire required Doppler visibility range.

Abstract: A method for storing the energy of a nuclear power plant in which the nuclear core is cooled by gases or liquid heat transfer media. The hot heat transfer liquid is stored directly in storage tanks. When needed, it is used for heating a power plant. The heat of a compressed gas heat transfer medium such as helium is stored by passing the compressed gas through tanks filled with heat-resistant solids and recovered by passing the same type of gas in a second circuit in a reverse direction. Through the hot tanks to the power plant and back. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

Abstract: A coaxial feed-through device (feed-through) for coupling a received process connection to a storage tank (tank) including an inner electrical conductor (probe), an outer electrical conductor; and a dielectric sleeve disposed between the probe and the outer electrical conductor. The dielectric sleeve is configured to provide an upper coaxial transmission line segment (upper CTL segment) providing a substantially 50 ohm impedance and a lower coaxial transmission line segment (lower CTL segment) which includes one or more sub-segments having an impedance that is at least forty (40%) percent higher as compared to the substantially 50 ohm impedance.

Abstract: A system for indoor localization using satellite navigation signals in a Distributed Antenna System includes a plurality of Off-Air Access Units (OAAUs). Each of the plurality of OAAUs is operable to receive an individual satellite navigation signal from at least one of a plurality of satellites and operable to route signals optically to one or more DAUs. The system also includes a plurality of remote DRUs located at a remote location. The plurality of remote DRUs are operable to receive signals from a plurality of local DAUs. The system further includes an algorithm to delay each individual satellite navigation signal for providing indoor localization at each of the plurality of DRUs and a GPS receiver at the remote location used in a feedback loop with the DRU to control the delays.

Abstract: A navigation system comprises a GNSS receiver that receives GNSS signals on multiple tracking channels, an INS that generates inertial data, and a processor. A micro jump detection and correction module comprises an oscillator micro jump detector that monitors estimates of C/N0 in all tracking channels, and detects a micro-jump event when there is an abrupt decrease of C/N0 in all tracking channels. An offsets module defines a plurality of carrier NCO command offsets to search over signal Dopplers in all available tracking channels after the micro jump event is detected, and sends the carrier NCO command offsets to the GNSS receiver to be added to nominal carrier NCO commands. The micro jump detector selects a tracking channel with the highest C/N0 after carrier NCO command offsets are added to nominal carrier NCO commands, computes corrections for clock error estimates, and sends the corrections for the clock error estimates to a GNSS/inertial Kalman filter.

Abstract: A radar device for transmitting and receiving a signal in a frequency band for target detection.

Abstract: An apparatus and system for controlling the trajectory of a projectile having two rotationally decoupled sections, wherein the first section is rotationally decoupled from the second section. The first section of the projectile contains a navigation system. The first section also contains an actuator by which aero-control surfaces on the second section are actuated. The second section may have external aero-spin surfaces which provide a torque counter to the rotation of the base projectile. The apparatus and system also includes embodiments having applications for nose sections of projectiles.

Abstract: A method for guiding a gun-fired or mortared round towards an intended target. The method including: capturing image data from an image pick-up device during a descent of the round; transmitting the image data to a control platform remotely located from the round; receiving the image date at the control platform; displaying the image data to a user at the control platform; manually identifying one or more features in the image data on the monitor; and stabilizing the image on the monitor based on the one or more identified features.

Abstract: An array of scattering and/or reflector antennas are configured to produce a series of beam patterns, where in some embodiments the scattering antenna and/or the reflector antenna includes complementary metamaterial elements. In some embodiments control circuitry is operably connected to the array to produce an image of an object in the beam pattern.

Abstract: Methods and systems may image an object of interest using one or more probes. More specifically, such exemplary methods and systems may deliver electromagnetic energy (e.g., microwave energy) using a transmitting antenna to the object while activating a probe to interact with the scattered field and sampling the resulting scattered field using one or more receiving antennas. The sampled electromagnetic energy may then be used to reconstruct an image of the object.

Abstract: A magnetic metal particle aggregate includes a plurality of magnetic metal particles including at least one magnetic metal selected from a first group consisting of Fe, Co, and Ni. The plurality of magnetic metal particles are partly bound with each other, and an average particle diameter of the plurality of magnetic metal particles is 10 nm or more and 50 nm or less. The magnetic metal particle aggregate has an average particle diameter of 15 nm or more and 200 nm or less.

Abstract: There is provided a radar apparatus capable of extracting a peak signal obtained from a difference frequency between a transmitting signal and a receiving signal during first and second periods and deriving target information based on the extracted peak signals. A predicting unit derives a predicted peak signal obtained by predicting a current peak signal based on the peak signal obtained in a previous process. An extracting unit extracts a peak signal included within a predetermined frequency range, with the predicted peak signal being as a base point, in each of the first and second periods. A pairing unit pairs the peak signals extracted in the first and second periods. The pairing unit changes a pairing method according to the number of the peak signals extracted in each of the first and second periods.

Abstract: According to the invention, the balance weights of the missile are made from pellets whereof the particle size is at most equal to 1 mm which is enclosed in a closed package.

Abstract: Enhanced stability for infrared countermeasure systems is provided by using a pair of single axis rate sensors having orthogonal active axes, preferably aligned with the elevation axis and the azimuth axis of the gimbal. The outputs of the orthogonal single axis rate sensors are used to detect instantaneous aircraft angular movement and to use the detected movement to drive the elevation and azimuth motors of the gimbal to move the output mirror for the gimbal to cancel the detected movement.

Abstract: A multichannel UWB-based radar life detector includes a transmitting antenna and three receiving antennas for forming three radar echo signal channels.