H01Q1/286

COMBINED STRUCTURAL AND ELECTRICAL REPAIR FOR MULTIFUNCTIONAL WIDEBAND ARRAYS
20170264007 · 2017-09-14 ·

A method for repair of a multifunctional wideband array includes processes and operations of assessing electrical and structural impairment to the multifunctional wideband array; cutting an opening in a superstrate of the multifunctional wideband array to expose an impaired backskin section of a lower electronics assembly of the multifunctional wideband array; replacing the impaired backskin section with a replacement backskin section; and repairing the opening in the superstrate. A system of multifunctional wideband array repair includes a core having longitudinal core strips and transverse core strips; a backskin having electronics connected to the core and providing electrical functionality enabling the core cells of the core to function as a phased array antenna aperture; a number of splice clips connecting longitudinal core strips to longitudinal repair core strips; and a section of the backskin electrically connected and structurally bonded to the repair core strips.

MULTI-POLARIZATION HF NVIS FOR VERTICAL LIFT AIRCRAFT
20220238986 · 2022-07-28 · ·

A system of high-frequency (HF) antennas is disposed on various aircraft body panels. The antennas are configured for orthogonal polarization such that NVIS may be operable no matter the state of the ionosphere. The antennas are disposed on substantially perpendicular body panels so that, when operated in concert, the resulting signals have opposite polarization and at least one signal will bounce off the ionosphere.

RECYCLABLE ARTICLES FOR USE WITH 5G RADIO WAVES

The present disclosure relates to recyclable articles for transmitting and/or receiving radio waves therethrough having a frequency in the range of 0.5 GHz to 81 GHz. The recyclable articles include a thermoplastic resin including a polyamide and provide low signal attenuation of the radio waves transmitted or received therethrough. In various aspects, the recyclable article can be a car unibody or a vehicle monocoque.

Dual beam transmit system for analog beamforming airborne satellite communications

A satellite communication assembly includes a transmit antenna array including a matrix of antenna elements, a receive antenna array, and a transmit circuit for the transmit antenna array. The transmit circuit includes, for each of the antenna elements, a first splitter, a second splitter, a first pair of phase shifters, a second pair of phase shifters, a first pair of variable gain amplifiers, a second pair of variable gain amplifiers, a first pair of power amplifiers, a second pair of power amplifiers, a first combiner, and a second combiner.

Stripline fed full wavelength slot in half wavelength patch antenna
11201410 · 2021-12-14 · ·

In examples, systems and methods for an antenna are described. The antenna array includes a flexible substrate and a plurality of antenna elements forming a two-dimensional array. Each antenna element includes a stripline feed located halfway through a height dimension of the flexible substrate. Each antenna element further includes a rectangular patch antenna having a first dimension equal to one-half of a wavelength at a given frequency of operation, and a second dimension equal to three-quarters of the wavelength at the given frequency of operation. Moreover, each antenna element includes a slot in the rectangular patch having a slot-length approximately equal to 0.925 of a wavelength at the given frequency of operation, where the stripline feed crosses under the rectangular patch and is orthogonal to a polarization of the slot.

Flexible Hybrid Electronic Sensing System for UAV Applications
20220206142 · 2022-06-30 ·

In examples, systems and methods for a radiating system of an aircraft are described. The aircraft system includes a conformal antenna array having a flexible substrate configured to conform to a curvature of a portion of an aircraft. Additionally, the conformal array has a plurality of antenna elements coupled to a first surface of the flexible substrate, where the plurality of antennas are formed in an array. The aircraft system further includes radio front-end hardware configured to communicate signals to and from the plurality of antenna elements. Moreover, the aircraft system includes a radar processing system coupled to the radio front-end hardware. Yet further, the aircraft system includes a renewable energy source configured to power the radar processing system and the radio front-end hardware.

AIRCRAFT INSERTS HAVING SURFACE INTEGRATED ANTENNAS AND/OR FILTERS
20220200136 · 2022-06-23 · ·

An antenna component for an aircraft insert can include a non-conductive body having an outer surface and an inner surface. The inner surface can be configured to be hidden from view when installed on the insert. The antenna component can include a surface antenna assembly disposed on the inner surface such that when the non-conductive body is installed on the insert the surface antenna is not visible. The surface antenna assembly can be configured to receive one or more predetermined frequencies. The non-conductive body can be configured to pass at least the one or more predetermined frequencies.

DIGITAL CONFORMAL ANTENNA
20220190474 · 2022-06-16 ·

A phased-array antenna system includes: an array of discrete antenna modules disposed conformally with an exterior surface of a platform; a digital distribution system comprising a digital communications medium to convey digital signals to and/or from respective input/output ports of the antenna modules; and a controller system to supply and/or receive the digital signals to/from the antenna modules via the digital distribution system. The controller system controls relative phases of the digital signals to enable the antenna elements to form a directive antenna beam pattern. Each antenna module includes: an antenna element to emit and/or absorb RF signals; an input/output port to send and/or receive digital signals; an electronics unit including an A/D and/or D/A converter to provide an interface between the antenna element and the input/output port; and a housing in which the antenna element and electronics unit are packaged.

Antenna system for providing coverage from a high-altitude platform

Aspects of the disclosure provide an antenna system for a high-altitude platform (HAP). The antenna system may include a central panel including a first set of antenna elements. The antenna system may also include a plurality of auxiliary panels arranged around the central panel and at an angular offset from the central panel. Each auxiliary panel of the set of auxiliary panels may include a second plurality of antenna elements. The first plurality of antenna elements may be configured to provide network coverage within a first area having a first radius and each of the second sets of antenna elements are configured to provide network coverage within a second area beyond the first radius.

Endfire antenna structure on an aerodynamic system

An endfire antenna structure is disclosed that is for use on aerodynamic systems. The antenna structure includes a first layer of patterned metal, a second layer of patterned metal, and a stack of material layers that includes the first layer of patterned metal and the second layer of patterned metal. The first layer of patterned metal includes a plurality of parallel slots etched through the metal. The second layer of patterned metal includes a tapered radio frequency (RF) feedline having a narrow end coupled to an input/output (I/O) antenna connection. The second layer of patterned metal is aligned over the first layer of patterned metal such that the tapered RF feedline has a length that extends across the plurality of parallel slots. The stack of material layers is flexible such that the stack of material layers is configured to wrap at least partially around the fuselage of an aerodynamic system.