Abstract: A method for producing an adhesion promoting layer on a surface of a titanium material involves introducing the surface into an aqueous alkaline solution of sodium hydroxide at a concentration in a range from 100 to 300 g/l, sodium tartrate at a concentration in a range from 20 to 200 g/l, methyl glycine diacetic acid trisodium at a concentration in a range from 5 g/l to 60 g/l, and pentasodium triphosphate at a concentration in a range from 2 g/l to 20 g/l. A voltage is applied between the solution and the titanium material for a predefined period of time, in order to produce the layer by anodic oxidation of the surface.

Abstract: An ice protection system for de-icing an aircraft and/or for keeping the aircraft free of ice includes a composite structure for an aircraft component and a structural element of an aircraft with an ice protection system that is integrated in the composite structure. The ice protection system includes a flat surface-like electric heating element that is embedded in the composite structure below an outer layer of an outer surface of the aircraft component.

Abstract: A high frequency-MEMS switch with a bendable switching element, whose one end is placed on a high resistivity substrate provided with an insulator, furthermore with a contact electrode to supply charge carriers to the substrate, wherein an electrical field can be produced to create an electrostatic bending force on the switching element between the switching element and the substrate, wherein at least one implantation zone is formed in the substrate, essentially directly beneath the insulator, the implantation zone is contacted with the contact electrode, which is located above the insulator, through an opening in the insulator, and also has ohmic contact with the substrate.

Abstract: A method for direction finding by means of monopulse formation in a radar system with electronically controlled group antenna and analog beam shaping of sum and difference channels, a self-test of the antenna being carried out to identify failed receiving elements, and the result of the self-test going directly into the monopulse formation and the test thereby being error corrected. The result of the self-test is converted into correction values that, independently of the antenna viewing direction, are combined with those from the sum channel signal and the difference channel signals of the antenna.

Abstract: The invention relates to a flow state sensor (10) for detecting a flow state at a body (16) that may be impinged on by a flow (12). A flow state sensor (10) that is of a simple construction and that is simple to evaluate is characterized in accordance with the invention by at least one frequency detecting device (20) for detecting at least one predefined frequency characteristic of the flow state. The frequency detecting device (20) has at least one oscillation element (22; 22a, 22b, 22c) excitable to resonant oscillatory movement (30) by a flow (12) and having a resonant frequency or natural frequency adapted to the predefined frequency characteristic, especially corresponding to the predefined frequency characteristic. Uses of the flow state sensor (10) in a flow measuring device (62) and in a flow measuring method, and an advantageous production method for the flow state sensor (10) are also proposed.

Abstract: The present disclosure provides example resonance filters and methods for making the same. The resonance filter includes a first layer having n adjacent resonance cavities, n being at least 2 and said cavities each being separated from one another by a partition wall. The resonance filter also includes a second layer having at least n?1 coupling cavities. The cavities in the first layer are formed as resonance cavities and those in the second layer are formed as (a) coupling cavity/cavities and are open on one side. The second layer is arranged on the first layer in such a way that the resonance cavities in the first layer are interconnected by the coupling cavity/cavities in the second layer. Further, the resonance filter is configured as a monolithic component.

Abstract: Hazardous objects in the field of explosives ordnance disposal or safety controls are identified using a sensor and image data generating arrangement and a comparison unit. The sensor and image data generating arrangement examines the object and produces an image thereof, which is compared by the comparison unit to known stored reference images. These reference images are digital images of reference objects. In this manner safety controls and explosives ordnance disposals can be organized safely and efficiently.

Abstract: A method for the production of a riblet film, having at least one surface that reduces airflow resistance involves the provision of a metal film that is structured using a mechanical treatment.

Abstract: An electric circuit with one power amplifier (V1) for at least two piezoelectric actuators (C1, C2), said piezoelectric actuators (C1, C2) being in preferably antagonist arrangement connected mechanically in series and being connected electrically with each other and operated or clocked by a control circuit, such as a pulse modulator circuit, for time-variant energizing of the piezoelectric actuators (C1, C2) in push-pull fashion, said power amplifier (V1) being connected to a junction point between the two piezoelectric actuators (C1, C2), characterized in that said power amplifier (V1) is connected to a one directional diode (D1) and in that two buffer capacitors (C3, C4) and two static resistors (R3, R4) are provided downstream the one directional diode (D1) with regard to the power amplifier (V1).

Abstract: A vehicle structure component reinforced by means of an area, a vehicle including such a vehicle structure component, and a corresponding method to reinforce a vehicle structure component are proposed. The area includes a compressive residual stress in a first direction and a compressive or tensile residual stress in a second direction being vertically aligned to the first direction, wherein the ratio of the compressive stress in the first direction and the compressive or tensile residual stress lies between ?0.2 and +1.0. Hence, the propagation direction of cracks in such areas is diverted, faster pressure equalization takes place, and further crack propagation is inhibited.

Abstract: A method and a device are provided for specifying, in the context of the image generation of ISAR processing, the determination of the aspect angle course subject to which the radar illuminates the vehicle during the exposure and subject to which the vehicle echoes are reflected back to the radar. Using the distance between the radar sensor and the vehicle as well as the change in distance, both of which are determined from the radar data, the position and the velocity of the vehicle are determined at any time during the exposure through linkage with available road information. The aspect angle is then determined from the positions of the sensor and of the vehicle as well as from the direction of movement of the vehicle. The required road information can be acquired from digital maps or images (e.g. aerial photographs, SAR-images).

Abstract: An aqueous composition for forming a chemical conversion layer on a metal surface, wherein the composition contains at least one active component for the formation of the chemical conversion layer, as well as at least one thickener, and has a viscosity in the range between 10 mPa*s and 10000 mPa*s.

Abstract: Method for detecting target objects by a first sensor device containing at least one first sensor and a second sensor device containing at least one second sensor. The second sensor is alignable by a control device in different spatial directions. Method includes: detecting target objects by first sensor device, determining at least one first target parameter for target objects; and storing at least a part of target objects with at least one first target parameter and information on a spatial direction of target object relative to a position of second sensor. Method additionally includes: assessing stored target objects, and determining highest priority target object; aligning second sensor to highest priority target object, and obtaining a sensor signal of second sensor to target object; extracting at least one further target parameter by automatic evaluation of sensor signal; and performing assessing, aligning, and extracting repeatedly.

Abstract: Wind farm and method of controlling operation of a wind farm. The wind farm including a plurality of wind power plants, each equipped in a same manner with a pivoted rotor structure and a control device for controlling the operation of the individual wind power plants. The control device is structured and arranged to synchronize the rotary motions of the rotor structures of at least some of the plurality of wind power plants.

Abstract: A method for preforming a textile semi-finished product, including arranging a textile having at least two layers of fibers, interwoven fibers and/or fiber bundles that are at least in part arranged on top of each other. The method also includes; fixing-in-position of the fibers of the textile against each other and then cutting-to-size of the textile. The fixing-in-position of the textile involves irradiating via a laser beam in order for the melt-on binder of the textile to be melted on only in a localized fashion and not evaporated. The fixing-in-position occurs along a fix-in-position line, the cutting-to-size occurs along a cut-to-size line, and the fix-in-position line is located at a distance relative to the cut-to-size line that is so small that any fraying of the textile is reduced or suppressed altogether.

Abstract: A method for simulating the movement behavior of a fluid in a closed moving container is provided. The simulation is based on the determination of the potential movement path of the center of gravity of the volume of the fluid as an elliptical trajectory situated in a disturbance plane having certain semi-axes.

Abstract: A method of constructing an enveloping mesh geometry (EMG) for a plurality of sample mesh geometries (MG). The enveloping mesh geometry is a geometric representation of the mean of the probability distribution underlying the sample space from which the enveloping mesh geometry (MG) have been drawn. The method is based on estimating probability densities fj using the kernel density method. The method further comprises constructing, based on the enveloping mesh geometry (EMG) so constructed, further enveloping mesh geometries (EMG-?) related to the ?-Quantiles of the probability distribution. The enveloping mesh geometries (EMG, MG-?) are suitable for development and test procedures in aircraft and automotive manufacturing processes.

Abstract: An optical system for testing IR or UV sensors, comprises input optics, output optics having a reticule disposed on the associated optical axis, a radiation source which emits radiation in the visual spectral region and in the infrared or ultraviolet spectral regions, and a beam splitter for simultaneously visualizing an object scene illuminated by the radiation source with the reticule through the output optics into the eye of an observer. The input optics comprise a lens, the imaging properties of which in the visual spectral region are equal to the imaging properties in the infrared or ultraviolet spectral region, and the beam splitter is a dichroic beam splitter.

Abstract: A passenger cabin unit of a passenger transportation vehicle includes a display device configured to present visual effects, information and images. The display device is disposed so as to completely or substantially cover surfaces of the passenger cabin unit which are visible from inside the passenger cabin unit. The display device is divided into first display regions and a second display region. Each of the first display regions is assigned to a respective individual passenger or group of passengers. A plurality of passenger command input devices are each disposed in a respective one of the first display regions and are each configured to be operated by the respective individual passenger or group of passengers to control visual presentation. A crew command input device is configured to be operated by cabin crew to control visual presentation on some or all of the first display regions and on the second display region.

Abstract: A detection apparatus and method for the automatic detection of particles, in particular biological particles, in a sample. The detection apparatus comprises a detection device for recording the particles, and a fluidic device for automatically conveying the sample to the detection device. The fluidic device comprises a treatment device for the automatic treatment of the particles for the purpose of detection, and the detection device comprises a flow cytometer for recording at least one physical parameter of the treated particles. The detection method includes operations performed by the detection device, the fluidic device, the treatment device and the flow cytometer.