Abstract: The invention relates to a reflector comprising a reflector cavity (110) having a front opening for receiving EMR into the reflector cavity (110) for subsequent reflection of the EMR by at least one reflector element (120) arranged within the reflector cavity (110), characterized in that the reflector further comprises a front cover (130) that has high EM R transmittance in at least parts of the EM spectrum, the front cover (130) being arranged to cover the front opening of the reflector cavity (110), and that the front cover (130) and front opening form a gastight seal (140) impermeable to gas to prevent transport of material into and out of the reflector cavity (110) through the front opening.

Abstract: The present disclosure relates to an antenna array including an integral antenna element structure mounted on a substrate. The integral antenna element structure includes a first set of antenna elements and a second set of antenna elements. Each antenna element including a first body and an adjacent second body. The second body is branched into a first leg and a second leg, wherein a transition pin forms an integral part with said first leg. The first set, and second sets of antenna elements are arranged such that the first body and the second body of each adjacent antenna element form a common tapered structure.

Abstract: Embodiments of the present invention relate to determining temperature, pressure, strain, or other changes of an optical fibre (250) having Fiber Bragg Grating (FBG) patterns provided in at least one portion (Portion 1) of said optical fibre (250), said optical fibre (250) being connected between a first detector arrangement (210) and a second detector arrangement (220).

Abstract: The present disclosure relates to an image generator device (100) for changing the direction of at least one emitted light cone at a surface (113), comprising an image generator (130) and a fibre optical faceplate (110) having a first (112) and a second surface (113), the fibre optical faceplate (110) being arranged to transmit light from the image generator (130) so at least a part of light entering the first surface (112) of the fibre optical faceplate (110) exits through the second surface (113) of the fibre optical faceplate (110) and pass through an aperture, wherein the fibre optical faceplate (110) comprises a multitude of optical fibres (111) and light exiting the second surface (113) through optical fibres (111) each form an emitted light cone.

Abstract: A method for excitation of an array antenna across a specified bandwidth is disclosed. The specified bandwidth comprises M sample points, M being a positive integer >1, and the array antenna comprises N antenna elements, N being a positive integer ?2. The method comprises forming a first matrix B(?) defining an allowed frequency variation for an excitation coefficient for each antenna element, and forming a second matrix defining far field data for each antenna element at each sample point. Further the method comprises optimizing each excitation coefficient based on the formed first matrix and the formed second matrix, and controlling an excitation of the N antenna elements based on the optimized excitation coefficients. Hereby presenting a method for wideband optimization of the excitation coefficients for an array antenna.

Abstract: The invention relates to a suspension assembly (10, 10a, 10b) for supporting a vibration sensitive device (1) in relation to a base (100). The suspension assembly (10, 10a, 10b) comprises: a support arrangement (20) comprising a support plate (21) and a damping support member (22). The support member (22) is configured to receive the vibration sensitive device (1) and the support plate (21) comprises a centre portion (23) and at least two side portions (24) extending with an inclination angle (?) outwardly from the centre portion (23), a base arrangement (30) comprising at least two inclined portions (34) extending essentially in parallel with the at least two side portions (24) of the support plate (21); and at least two wire rope isolators (40), each arranged between a side portion (24) of the support plate (21) and an inclined portion (34) of the base arrangement (30).

Abstract: The disclosure relates to a pivotable connection device (100) comprises a first and a second bracket (101, 102), a locking member (103), a spring (105), and an abutment member (104). The first and the second bracket (101, 102) are pivotable connected to each other, and the spring (105) is located between the locking member (103) and the abutment member (104). In a first mode of operation (M1), the locking member (103) is displaced towards the abutment member (104) such that the spring (105) is compressed, and such that the first and second bracket (101, 102) are pivotable in relation to each other. In a second mode of operation (M2), the locking member (103) is displaced towards the first bracket (101) by the spring (105), such that the locking member (103) overlaps the first and the second bracket (101, 102) and prevents pivoting. The disclosure further relates to a vehicle (200).

Abstract: Provided is a heat generating arrangement and a method for generation of heat to be used in a heat consumer. The heat generating arrangement uses combustion of aluminium and hydrogen to raise the temperature of superheated steam inside the heat generating arrangement. The heat in the superheated steam can thereafter be used in a heat consumer, such as a heat exchanger.

Abstract: An antenna arrangement (1) comprising an antenna array is disclosed. The antenna array comprises N antenna elements (2) (N being an integer ?3). Moreover, each antenna element is connected to an electronics module (3) out of P electronics modules, P being an integer such that 3?P?N, where each electronics module is configured to generate an output signal indicative of a signal received by a corresponding one or more antenna elements. The antenna arrangement further comprises control circuitry (10) connected to the antenna array. The control circuitry is configured to receive each output signal, compute a sum of cross-correlations between each output signal and a set of other output signals originating from other corresponding antenna elements, and determine at least one angle of a direction of arrival of the electromagnetic waves relative to the antenna array based on the computed sum.

Abstract: A waveguide launch system configured for translating radio frequency signal waves is provided. The system comprises a first printed circuit board lamina comprising an electrically conductive ground member and configured for attachment of a separate waveguide element, having a first cross-section area, thereto. A second printed circuit board lamina comprising an electrically conductive backshort cover configured to reflect the RF signal waves is bonded to a first printed circuit board lamina. An electrically conductive barrier arrangement extends through the second printed circuit board lamina. The electrically conductive barrier arrangement and the electrically conductive backshort cover form an integrated electrically conductive backshort volume of an integrated backshort having a second cross-section area. The second cross-section area is smaller than the first cross-section area.

Abstract: The present disclosure relates to a landing assistance system and method (100) for assisting an airborne vehicle (1) during landing on a landing area (2). The landing assistance system (100) provides the airborne vehicle (1) with light signals. The landing assistance system comprises at least one geographically positioned light emitter (4, 6, 8) arranged at near ground level on the landing area (2). At least one first light emitter (6) of the at least one geographically positioned light emitter (4, 6, 8) is arranged to emit light to a designated position in space. The light comprises at least three light beams (B1-B3), wherein a first beam (B1) being a central beam, which indicates a designated glideslope, and at least a second beam (B2) and third beam (B3) indicating that said airborne vehicle (1) is positioned under or above the designated glideslope, respectively.

Abstract: A piezoelectric sensor arrangement for use in a projectile comprises a piezoelectric sensor enveloped by a damping layer adapted to attenuate signals of frequencies above a predetermined cutoff frequency whereby the voltage output signal of the piezoelectric sensor upon impact on a desired hard target can be discriminated from voltage output signals originating from impact on undesired soft objects. A method of discriminating voltage outlet signals by means of the piezoelectric sensor arrangement and the use of a piezoelectric sensor arrangement in a projectile to safeguard unintentional detonation does not occur is described herein.

Abstract: A tool attachment (200) for a robotic manipulator (100), includes a housing (202), an input shaft (208) configured to be engaged by an end effector (105) of the robotic manipulator (100), an output shaft (210), and a tool (214) coupled to the output shaft (210). The housing (202) includes at least one slot or at least one projection for preventing relative rotational movement between the housing (202) and a housing of the robotic manipulator (100). Upon engagement of the end effector (105) of the robotic manipulator (100) with the input shaft (208), the tool attachment (200) is retained on the robotic manipulator (100), and rotational movement of the end effector (105) of the robotic manipulator (100) acts to rotate said input shaft (208) and drive said tool (214).

Abstract: A shaped charge assembly, comprising a casing and a liner, is disclosed. The liner includes a first longitudinal section connected to the casing, a second longitudinal section having the shape of a truncated cone wherein the truncated end thereof is directly connected, or connected by means of an intermediate longitudinal section, to the first longitudinal section. The second longitudinal section is at its base end directly connected to a third longitudinal section. The third longitudinal section is in the shape of a cone, an ogival or a hemisphere.

Abstract: An electronic circuit is included, which acts as a zener diode below a zener voltage, and as a constant current source above the zener voltage comprising an input terminal, an output terminal, a first resistor, a second resistor, a third resistor, a fourth resistor, a first NPN-transistor, a second NPN-transistor, a PNP-transistor, and a voltage reference, where the zener voltage of the electronic circuit can be selected by a user.

Abstract: An antenna element includes a multi-layer printed circuit board (PCB). The PCB includes a top metal layer, a second metal layer, a third metal layer, and a bottom metal layer. Dielectric layers are positioned between each of the metal layers. A thickness of the PCB is defined by a total thickness of the layers. The top metal layer, the second metal layer, and the third metal layer are all of different lengths. The second metal layer and the third metal layer include a plurality of slots formed therein. Each of the plurality of slots having a size and a position tuned to a central frequency. The antenna array of the plurality of antenna elements are arranged oriented in two orthogonal polarizations.

Abstract: The disclosure relates to an electronic countermeasure cartridge (6) arranged to be loaded into a countermeasure dispenser (7) in a mobile platform (1). The electronic countermeasure cartridge (6) comprises an electromagnetic transmitting means (8), an electric energy storage (9) arranged to supply the electromagnetic transmitting means (8) with electric energy and a trigger device (10) arranged to trigger a transmission of electromagnetic radiation from the electromagnetic transmitting means (8) upon detection of an incoming threat (2). The transmitted electromagnetic radiation is arranged to irradiate an electromagnetically reflective material (3) dispensed from the countermeasure dispenser (7). The disclosure also relates to a method for providing threat protection for a platform (1) and to a countermeasure system comprising a countermeasure dispenser (7).

Abstract: A method is provided for determining temperature changes of an optical fibre having Fiber Bragg Grating patterns provided in at least one portion of the optical fibre. The method involves: emitting light into the optical fibre in a first direction from a first detector arrangement, receiving reflections from the patterns of such emitted light by the first detector arrangement, and processing the reflections for determining a current temperature change related to the optical fibre; and on the basis of predetermined criteria, emitting light into the optical fibre in an opposite, second, direction from a second detector arrangement, receiving reflections from the patterns of such emitted light by the second detector arrangement, and processing the reflections for determining a current temperature change related to the optical fibre. A computer program product comprising program code for implementing the above-described method is also provided, along with an associated system and platform.

Abstract: The present disclosure relates to a high voltage adapter (1) for insertion into an adapter socket (2) in a high voltage unit (10), the adapter (1) comprises an oblong cylindrical main body (3) having a first outer diameter (D1), the main body (3) comprising a first circumferential portion (3?), the first circumferential portion (3?) having a second outer diameter (D2), wherein the second outer diameter (D2) is greater than the first outer diameter (D1). Further, the adapter (1) comprises a first threaded female portion (4) extending from a first base (5) of the main body (3) and a second threaded female portion (6) extending from an opposing second base (7) of the main body (3), each threaded female portion (4, 6) extending perpendicular to each corresponding base (5, 7) into the main body (3). Moreover, each threaded female portion (4, 6) is arranged to receive a threaded male connector (17, 18), so to transfer voltage signals from a first environment to a second environment.

Abstract: The present disclosure relates to a method for determining a position and an orientation.