Abstract: A space-borne antenna system includes a number of panels being moveable to each other and having a gap in between them when the panels are arranged in an operation condition. The system also includes an RF distribution network for providing transmit signals to the number of panels and combining received signals from the number of panels. The system further includes a set of choke flange assemblies that allow a contactless inter-panel signal transmission across a dedicated gap. A respective choke flange assembly is arranged on the far side of a radiating surface of the dedicated adjacent panels. The system also includes an RF seal assembly for suppressing a signal coupling of signals radiated from the number of panels to the set of choke flange assemblies by sealing the gap.

Abstract: An alignment adjusting device is provided for an optical focal plane assembly, wherein the optical focal plane assembly has a detector with a detector plane and is adapted to be mounted to an optics assembly having an optical focal plane. The alignment adjusting device is adapted for allowing an alignment of the detector plane representing an image area and the optical focal plane. The alignment adjusting device includes a detector support for receiving the detector; a plurality of members, wherein a first member of the plurality of the members is connected to the detector support and a second member is connected to a flange that is adapted to be connected to the optics assembly. The first member, the second member and the remaining number of the members are pairwise moveable connected to each other by a number of springs and/or supporting elements.

Abstract: A valve assembly includes an inlet and an outlet, which open into a working chamber of the valve assembly, and an actuator. In a non-actuated state of the actuator, a flow passage between the inlet and the outlet is blocked. The actuator is optionally a shape-memory actuator that can be actuated one time or comprises a shape-memory actuator, which suddenly changes its external shape upon reaching a conversion temperature, which is dependent on the alloy composition thereof, and which can be generated by a controllable electrical heating device of the valve assembly. The actuator irreversibly destroys a pipe element separating the inlet from the outlet in the working chamber upon actuation, whereby the inlet and the outlet are connected to one another with respect to flow via the working chamber.

Abstract: A system for tracking a received signal with a subcarrier, the received signal representing a carrier signal modulated with a code signal and with a subcarrier signal. The system comprises independent and cooperatively operating loops: a phase lock loop tracking the carrier signal, a subcarrier lock loop tracking the subcarrier signal, and a delay lock loop tracking the code signal. The subcarrier lock loop comprises a first controllable oscillator and a first early-minus-late discriminator generating a control signal for the first controllable oscillator. The delay lock loop comprising a second controllable oscillator and a second arctan discriminator generating a control signal for the second controllable oscillator.

Abstract: In a process for cleaning contaminating silicon dioxide SiO2 off of turbine blades, silicon dioxide that is on the turbine blades is reduced selectively in a vacuum process that takes place in dry conditions and at elevated temperature inside a high vacuum furnace, by feeding gas having a reducing action, consisting of hydrogen gas or carbon monoxide, is introduced into the high vacuum furnace. The temperature inside the high vacuum furnace is at least about 1000 degrees Celsius, and the residence time of the turbine blades in the high vacuum furnace is determined with reference to the diminishment of the SiO concentration, as analyzed with a mass spectrometer. The electrically heatable high vacuum furnace is evacuable by means of a vacuum system that consists of a backing pump and a turbomolecular pump with an adjustable throttle valve and a water-cooled baffle.

Abstract: A chopper disc for a device for the processing of neutron beams is made of carbon fibers and has a concentric, hollow cylindrical recess for receiving a hub for connection to a pivot bearing. The chopper disc also includes a concentric absorber area for absorbing neutrons striking the chopper disc and at least one window in the absorber area through which neutrons of the neutron beam can pass. The carbon fibers extend from the outer periphery of the chopper disc radially in the direction of the recess and contact the recess tangentially.

Abstract: An apparatus, in particular for balance training and/or fine motor training, includes at least one moveable platform, which is in at least two dimensions oscillatingly moveable, and at least one damping unit for a damping of movements of the moveable platform. The damping unit comprises a central connecting element, which extends at least partially along a zero axis of a rest position of the platform, for the connection of the platform and the damping unit and for a transfer of an at least two-dimensional movement of the platform.

Abstract: A fluid chamber device for a reaction unit of a redox device, includes at least one first wall element and at least one second wall element which at least partially delimit a fluid chamber, and a sealing region which closes off the fluid chamber against a fluid exchange, in particular a gas exchange, in relation to a surrounding space. At least one of the wall elements, in an installed state, has at least one sealing contour in the sealing region, which is intended for providing a sealing effect and by means of which a spacing of the at least two wall elements in the sealing region is reduced in relation to a surrounding area of the sealing region.

Abstract: A method for separating off carbon dioxide from a gas mixture, in particular from breathing air, with a life-sustaining device, wherein in a first method step the gas mixture is fed to an adsorption and/or absorption unit under at least one first pressure, and in a second method step a gas mixture is conveyed out of the adsorption and/or absorption unit under at least one second pressure that is higher than the first pressure.

Abstract: Satellite solar generator wing including solar panels having at least two fixed solar panels and at least one semi-fixed solar panel. The solar panels are connected to one another in order to assume an operating position and a transport position, and, in the transport position, the solar panels are retained on top of one another and the semi-fixed solar panel is arranged in a freely oscillating manner between the two fixed solar panels.

Abstract: A signal acquisition and distance variation measurement system for laser ranging interferometers comprising a signal acquisition unit. This unit comprises a frequency detection subsystem to detect the frequency of a received laser beam measurement signal which is buried in noise, wherein the subsystem comprises an acquisition subsystem with a wavelet packet decomposition unit and a phase/frequency detector PLL; a main PLL unit being coupled to the frequency detection subsystem for receiving the detected frequency of the measurement signal for phase estimation of the measurement signal; and a phasemeter band detection subsystem for detecting whether the measurement signal frequency is higher or lower than a reference signal frequency of a reference laser beam by operating a known change to the frequency of the reference signal and measuring the consequent change in the frequency of an interference signal for having the phase of reference signal locked to the measurement signal phase.

Abstract: A broadband signal junction with sum signal absorption for transmitted signals includes a common hollow conductor with a first predefined cross-section and four laterally-disposed side arm hollow conductors with a predefined cross-section. The cross-sections of the side arm hollow conductors can also be selected to be different. Two first opposing side arm hollow conductors of the four side arm hollow conductors extend along a first axis. Two second opposing side arm hollow conductors of the four side arm hollow conductors extend along a second axis. The first and the second axes are disposed orthogonal to one another and lie in the common plane. The broadband signal junction with sum signal absorption is characterized in that the two first side arm hollow conductors end with a hollow conductor absorber.

Abstract: The invention relates to a device for fixing a test person on a standing surface, wherein at least one rope is tensioned between a hip belt placed on the test person and a retaining plate arranged below the standing surface.

Abstract: A method for generating a spread spectrum Gaussian Minimum Shift Keying (GMSK) signal includes obtaining a sequence of data symbols for a data channel, obtaining at least one first spread spectrum code comprising a first sequence of spread spectrum chips for the data channel, obtaining at least one second spread spectrum code comprising a second sequence of spread spectrum chips for a pilot channel, and generating a sequence of pre-modulation chips by combining the sequence of data symbols for the data channel with the spread spectrum chips of the first sequence of the at least one first spread spectrum code and data symbols for the pilot channel with the spread spectrum chips of the second sequence of the at least one second spread spectrum code to a combined sequence of chips.

Abstract: A beam steering mirror device includes a mirror having an optical part with a reflecting or optical surface and a mirror body. The optical part is essentially thermally de-coupled from the body. A biaxial suspension of the mirror body has two rotation axes arranged essentially perpendicular with respect to each other and being located in a common plane. The suspension includes a set of four flexible pivots with a pair of pivots assigned to each rotation axis. The mirror is arranged with regard to the biaxial suspension such that its center of mass is approximately located in the intersection point of the two rotation axes. The device also includes motors for moving of the mirror body around the two rotation axes, sensors for determining the tilting angle of the mirror, and a housing for the mirror, the biaxial suspension, the motors and the sensors.

Abstract: An apparatus has at least one first connecting element and at least one second connecting element which connect the counterforce unit to the at least one platform, the at least one first connecting element and the at least one second connecting element being arranged on the at least one platform at a respectively different spacing from a center of said at least one platform and transmitting to the at least one platform a counterforce, generated by the counterforce unit, to a rotational component of a deflection of the at least one platform.

Abstract: A receiver acquires and tracks a spread spectrum navigation signal with changing subcarriers. The carrier signal changes between several subcarriers according to a hopping frequency and is modulated with data and a pseudorandom noise code signal. The receiver includes a carrier wipe off unit for down converting a received spread spectrum navigation signal from its carrier frequency to a baseband frequency, a frequency hopping wipe off unit for wiping off the hopping frequency from the received spread spectrum navigation signal, and a replica signal generation unit for generating at least one replica signal of the pseudorandom noise code signal for acquiring and tracking the received spread spectrum navigation signal after carrier wipe off.

Abstract: The invention relates to a container, particularly in syringe form, for an at least substantially separate storage and release of substances, in particular for storage and release in outer space, with an outflow opening, a storage chamber for the storage of the substances, with at least one slideable separator element which divides the storage chamber into sub-chambers, and with at least one shaped overflow channel which is provided for transporting substances from a sub-chamber into a sub-chamber which is arranged forward as seen in the direction of the outflow opening, and/or into the outflow opening. It is proposed that the overflow channel and the separator element are designed for an at least substantially sequential release of substances and/or for washing-out a stored solid by a liquid.

Abstract: The invention relates to a device for fixing a test person on a standing surface, wherein at least one rope is tensioned between a hip belt placed on the test person and a retaining plate arranged below the standing surface.

Abstract: Satellite solar generator wing including solar panels having at least two fixed solar panels and at least one semi-fixed solar panel. The solar panels are connected to one another in order to assume an operating position and a transport position, and, in the transport position, the solar panels are retained on top of one another and the semi-fixed solar panel is arranged in a freely oscillating manner between the two fixed solar panels.