mhurhangee/ep-ind-claims huggingface dataset:
A method of operating a broadcast head end of a hybrid single frequency network, wherein time delay and frequency offset compensation is performed, the method comprising: transmitting an uplink signal (x(t)) carrying at least one block of transmitted samples; receiving a downlink signal (y(t)), the downlink signal (y(t)) being a distorted copy of the uplink signal (x(t)); generating a plurality of blocks of received samples (y n) based on the received downlink signal (y(t)) by grouping consecutively received samples (y n) into blocks of received samples (y n); computing a correlation between the block of transmitted samples (x n) and each of the plurality of blocks of received samples (y n); and identifying a maximum correlation among the computed correlations (Ckmax); estimating a time delay and frequency offset between the uplink and downlink signals (x(t), y(t)) based on the maximum correlation (Ckmax), wherein the estimated time delay is based on an index (kmax) of the block of received samples associated with the maximum correlation (Ckmax), and wherein the estimated frequency offset is calculated as a function of the phase of the maximum correlation (Ckmax); compensating for time delay and frequency offset between subsequent transmitted and received signals based on the estimated time delay and frequency offset. transmitting an uplink signal (x(t)) carrying at least one block of transmitted samples; receiving a downlink signal (y(t)), the downlink signal (y(t)) being a distorted copy of the uplink signal (x(t)); generating a plurality of blocks of received samples (y n) based on the received downlink signal (y(t)) by grouping consecutively received samples (y n) into blocks of received samples (y n); computing a correlation between the block of transmitted samples (x n) and each of the plurality of blocks of received samples (y n); and identifying a maximum correlation among the computed correlations (Ckmax); estimating a time delay and frequency offset between the uplink and downlink signals (x(t), y(t)) based on the maximum correlation (Ckmax), wherein the estimated time delay is based on an index (kmax) of the block of received samples associated with the maximum correlation (Ckmax), and wherein the estimated frequency offset is calculated as a function of the phase of the maximum correlation (Ckmax); compensating for time delay and frequency offset between subsequent transmitted and received signals based on the estimated time delay and frequency offset.
A rotor, comprising: a plurality of blades; and a plurality of fluid routing devices, each mechanically connected to one of said plurality of blades and comprises: a continuous channel with an inlet facing the opposite direction of rotation of said plurality of blades and an outlet, said continuous channel conducts fluid passing via said inlet and said inlet being placed in a lateral edge of said blade, and a flow directing element mechanically connected to said outlet so as to direct said conducted fluid into a duct inside said mechanically connected blade to adjust a fluid flow in or on said mechanically connected blade; wherein said rotor is a vertical axis wind turbine (VAWT) and each one of said plurality of fluid routing devices being mechanically connected to at least one of a top lateral edge and a low lateral edge so that a phase shift formed by an adjustable portion of said inlet increases a stagnation pressure as compared to that prevailing at the tip of said lateral edge. a plurality of blades; and a plurality of fluid routing devices, each mechanically connected to one of said plurality of blades and comprises: a continuous channel with an inlet facing the opposite direction of rotation of said plurality of blades and an outlet, said continuous channel conducts fluid passing via said inlet and said inlet being placed in a lateral edge of said blade, and a flow directing element mechanically connected to said outlet so as to direct said conducted fluid into a duct inside said mechanically connected blade to adjust a fluid flow in or on said mechanically connected blade; a continuous channel with an inlet facing the opposite direction of rotation of said plurality of blades and an outlet, said continuous channel conducts fluid passing via said inlet and said inlet being placed in a lateral edge of said blade, and a flow directing element mechanically connected to said outlet so as to direct said conducted fluid into a duct inside said mechanically connected blade to adjust a fluid flow in or on said mechanically connected blade;
Lock cylinder comprising a cylinder housing, having a first cylindrical pin channel, a core, rotatable in the cylinder housing and having a second cylindrical pin channel corresponding to the first cylindrical pin channel, which first and second cylindrical pin channels have substantially the same cross-sectional geometry, and at least one dividable pin, accommodated in the second pin channel and being dividable by turning of a key inserted in the core, to allow recoding of the lock cylinder, characterized in that the dividable pin (8, 8', 8") is configured in one piece and comprises a first axial portion and a second axial portion, which axial portions are separated by a material cutout and have substantially the same cross-sectional geometry as the first and second cylindrical pin channels.
Arrangement for inspecting plate-shaped objects moved relative to a camera device in a movement direction through at least two observation areas (11, 12), wherein the arrangement comprises the camera device, wherein the camera device comprises a single camera with a matrix sensor, wherein, in a first detection state, a first observation area which extends at an oblique angle counter to the movement direction is displayed on a first image area of the camera device, which area is formed by pixel strips, at different points in time in order to record strip-shaped images, wherein, in a further detection state, a further observation area is displayed on a further image area of the camera device, which area is formed by pixel strips, at different points in time in order to record strip-shaped images, wherein the pixel strips have a width of one pixel, wherein the arrangement also comprises an image processor which joins the strip-shaped images recorded in the detection states (21, 22) to form two-dimensional images and wherein the first and the further image areas are located on the matrix sensor. wherein the arrangement comprises the camera device, wherein the camera device comprises a single camera with a matrix sensor, wherein, in a first detection state, a first observation area which extends at an oblique angle counter to the movement direction is displayed on a first image area of the camera device, which area is formed by pixel strips, at different points in time in order to record strip-shaped images, wherein, in a further detection state, a further observation area is displayed on a further image area of the camera device, which area is formed by pixel strips, at different points in time in order to record strip-shaped images, wherein the pixel strips have a width of one pixel, wherein the arrangement also comprises an image processor which joins the strip-shaped images recorded in the detection states (21, 22) to form two-dimensional images and wherein the first and the further image areas are located on the matrix sensor.
Method for constructing plastics components by depositing plastics powder, consisting of a plurality of plastics particles, in layers and selectively printing with a polymerizable liquid in a construction chamber of a 3D printer, wherein a combination of the polymerizable liquid and the plastics powder is used, wherein the polymerizable liquid is fed to the cavities in the region of the plastics component to be produced so that, in the region of the object to be produced, the cavities are largely filled with the polymerizable liquid, and the polymerizable liquid introduced into the cavities and the plastics particles surrounding these cavities dissolve into one another, resulting in a plastics-liquid mixture having a viscosity that prevents the polymerizable liquid from escaping into the environment, wherein the polymerization of the polymerizable liquid is actively controlled.
Method for operating a near field communication system, the method comprising performing, for at least two near field communication devices (21, 22) comprising power supply means, respectively, an idle process by repeatedly changing the operational modes of the near field communication devices (21,22) between a target operational mode, in which the respective near field communication device (21, 22) searches for a potential initiator device by listening for an RF signal and an initiator operational mode, in which the respective near field communication device (21, 22) sends out an RF signal to search for a potential target device, until communication is established between at least the first and second near field communication devices (21, 22).
A skin whitening cosmetic composition comprising a mixture of a carbonized pine cone, vegetable oil and a sea squirt shell, wherein the mixture comprises the carbonized pine cone, the vegetable oil and the sea squirt shell in a weight ratio of 2∼8: 1∼3: 1∼3.
Photo cathode for use in a vacuum tube at least comprising; - a cathode layer, having an entrance face capable for absorbing photons impinging on said cathode layer, and an exit face for releasing electrons upon impinging of said photons; as well as - an electron exit layer, in facing relationship with said exit face of said cathode layer for improving said releasing of said electrons; and - a carbon containing layer, positioned between said exit face of said cathode layer and said electron exit layer, for bonding said electron exit layer to said cathode layer. - a cathode layer, having an entrance face capable for absorbing photons impinging on said cathode layer, and an exit face for releasing electrons upon impinging of said photons; as well as - an electron exit layer, in facing relationship with said exit face of said cathode layer for improving said releasing of said electrons; and - a carbon containing layer, positioned between said exit face of said cathode layer and said electron exit layer, for bonding said electron exit layer to said cathode layer.
A method for the aftertreatment of an exhaust-gas flow of a multi-cylinder internal combustion engine of a vehicle, in particular of a utility vehicle, having an internal combustion engine which has multiple different groups of cylinders (6, 7) which are assigned in each case one air supply line (38, 39) and one exhaust line (4, 6), wherein the exhaust lines (4, 6) issue, in multi-channel fashion, into an exhaust-gas turbine, which is of correspondingly multi-channel form, of an exhaust-gas turbocharger, downstream of which there is connected an exhaust-gas aftertreatment element, wherein, in a warm-up mode of the internal combustion engine, which is predefined in a manner dependent on defined operating parameters of the internal combustion engine, in particular in idle or low-load operation of the internal combustion engine, a first part of the cylinder groups, formed by at least one warm-up cylinder group, is operated in fired fashion to a predefined extent, whereas another, second part of the cylinder groups, formed by at least one deactivation cylinder group, is operated in partially fired fashion, with a reduced fuel quantity in relation to a defined normal mode and/or in relation to a fuel quantity dosed to the at least one warm-up cylinder group, or in non-fired fashion, characterized in that, in the warm-up mode, the air supply line assigned to the at least one deactivation cylinder group is at least partially shut off by way of at least one air supply shut-off element, and the air supply line assigned to the at least one warm-up cylinder group is at least partially opened up by way of at least one air supply shut-off element, such that a defined flow rate of a hot exhaust-gas flow passes to the exhaust-gas turbine, wherein it is provided that, in the warm-up mode, the air supply line assigned to the at least one deactivation cylinder group is substantially fully shut off by way of the air supply shut-off element assigned thereto, and the air supply line assigned to the at least one warm-up cylinder group is at least partially opened up by way of the air supply shut-off element assigned thereto, such that substantially only the hot exhaust-gas flow from the at least one warm-up cylinder group flows to the exhaust-gas turbine, and in that, in the warm-up mode, a recirculation flow from the exhaust line assigned to the at least one deactivation cylinder group to the air supply line assigned to the same deactivation cylinder group is permitted, and/or a recirculation flow from the exhaust line assigned to the at least one warm-up cylinder group to the air supply line assigned to the same warm-up cylinder group is at least partially blocked.
A process for the preparation of a bulk shaped ceramic article comprising the steps of: - casting or pressing a castable and pressable mixture in a mold to form a wet green body; - drying said wet green body to form a dried green body; and - firing and sintering said dried green body to form the bulk shaped ceramic article, characterized in that - prior to said casting or pressing of the castable and pressable mixture a ceramic foam particulate material is contacted with a hydrophobic material to form impregnated and coated ceramic foam particulate material with hydrophobic properties; and - an aqueous suspension of a binder for ceramics, with or without an organic binder, is provided and mixed with said impregnated and coated ceramic foam particulate material to form said castable and pressable mixture. - casting or pressing a castable and pressable mixture in a mold to form a wet green body; - drying said wet green body to form a dried green body; and - firing and sintering said dried green body to form the bulk shaped ceramic article, characterized in that - prior to said casting or pressing of the castable and pressable mixture a ceramic foam particulate material is contacted with a hydrophobic material to form impregnated and coated ceramic foam particulate material with hydrophobic properties; and - an aqueous suspension of a binder for ceramics, with or without an organic binder, is provided and mixed with said impregnated and coated ceramic foam particulate material to form said castable and pressable mixture.
A wind turbine comprising a rotation axis and a lightning protection system comprising at least one insulated high-voltage cable, the lightning protection system comprises a pick-up unit, and an additional insulated high-voltage cable, the at least one insulated high-voltage cable being electrically connected to a lightning receptor and to the pick-up unit, the pick-up unit being electrically connectable to an electrically grounded member (5, 6) by means of the additional insulated high-voltage cable, characterised in that said pick-unit is placed on the rotation axis.
A fluid valve comprising: a valve body having a fluid inlet and a fluid outlet connected by a fluid passageway; a trim assembly disposed within the fluid passageway; and a fluid control member movably disposed within the fluid passageway, the fluid control member cooperating with the trim assembly to control fluid flow through the fluid passageway; wherein the trim assembly includes a cage having a valve seat at one end and a first plurality of diamond-shaped openings disposed in a wall of the cage, characterised in that the first plurality of diamond-shaped openings includes a first row of diamond-shaped openings located adjacent to one another about a circumference of the cage, each diamond-shaped opening in the first row having a longitudinal axis that is parallel to the longitudinal axes of other diamond-shaped openings in the first row and parallel to the longitudinal axis of the cage, and a second row of diamond-shaped openings located adjacent to one another about a circumference of the cage, each diamond-shaped opening in the second row having a longitudinal axis that is parallel to the longitudinal axes of other diamond-shaped openings in the second row and parallel to the longitudinal axis of the cage, the longitudinal axes of the diamond-shaped openings in the first row being offset from the longitudinal axes of the diamond-shaped openings in the second row, thereby forming a web of material between the diamond-shaped openings, the web of material having a first leg, a second leg, a third leg, and a fourth leg that intersect at a center portion. a valve body having a fluid inlet and a fluid outlet connected by a fluid passageway; a trim assembly disposed within the fluid passageway; and a fluid control member movably disposed within the fluid passageway, the fluid control member cooperating with the trim assembly to control fluid flow through the fluid passageway; wherein the trim assembly includes a cage having a valve seat at one end and a first plurality of diamond-shaped openings disposed in a wall of the cage, characterised in that the first plurality of diamond-shaped openings includes a first row of diamond-shaped openings located adjacent to one another about a circumference of the cage, each diamond-shaped opening in the first row having a longitudinal axis that is parallel to the longitudinal axes of other diamond-shaped openings in the first row and parallel to the longitudinal axis of the cage, and a second row of diamond-shaped openings located adjacent to one another about a circumference of the cage, each diamond-shaped opening in the second row having a longitudinal axis that is parallel to the longitudinal axes of other diamond-shaped openings in the second row and parallel to the longitudinal axis of the cage, the longitudinal axes of the diamond-shaped openings in the first row being offset from the longitudinal axes of the diamond-shaped openings in the second row, thereby forming a web of material between the diamond-shaped openings, the web of material having a first leg, a second leg, a third leg, and a fourth leg that intersect at a center portion.
A ball screw, comprising: a screw shaft, wherein a spiral screw groove is formed on an outer peripheral surface of the screw shaft; a nut disposed around the screw shaft, wherein a spiral screw groove is formed on an inner peripheral surface of the nut; a plurality of balls that are housed in rolling paths formed by the two screw grooves (11, 21) facing each other; and a ball return path that circulates the plurality of balls in no more than one turn of the rolling paths, characterized in that a length of the ball return path between scoop-up points (43a, 43b) where the balls are scooped up from the screw groove of the screw shaft satisfies ( N - 0.1) D ≤ L ≤ ( N + 0.3) D, wherein D is a diameter of the balls and N is an integer value of a number of the balls filled between the scoop-up points (43a, 43b), a maximum inclination angle (α) of the ball return path with respect to a surface perpendicular to an axial direction of the screw shaft is from 20 to 40 degrees when a lead angle (β) of the two screw grooves (11, 21) is less than 5 degrees, the maximum inclination angle (α) of the ball return path is from 20 to 60 degrees when the lead angle (β) of the two screw grooves (11, 21) is no less than 5 degrees and no more than 7 degrees, and the maximum inclination angle (α) of the ball return path is from 40 to 60 degrees when the lead angle (β) of the two screw grooves (11, 42) is more than 7 degrees, wherein a minimum value of a curvature radius (r) of the ball return path is no less than 1.5 times of the diameter of the balls. a screw shaft, wherein a spiral screw groove is formed on an outer peripheral surface of the screw shaft; a nut disposed around the screw shaft, wherein a spiral screw groove is formed on an inner peripheral surface of the nut; a plurality of balls that are housed in rolling paths formed by the two screw grooves (11, 21) facing each other; and a ball return path that circulates the plurality of balls in no more than one turn of the rolling paths, characterized in that a length of the ball return path between scoop-up points (43a, 43b) where the balls are scooped up from the screw groove of the screw shaft satisfies ( N - 0.1) D ≤ L ≤ ( N + 0.3) D, wherein D is a diameter of the balls and N is an integer value of a number of the balls filled between the scoop-up points (43a, 43b), a maximum inclination angle (α) of the ball return path with respect to a surface perpendicular to an axial direction of the screw shaft is from 20 to 40 degrees when a lead angle (β) of the two screw grooves (11, 21) is less than 5 degrees, the maximum inclination angle (α) of the ball return path is from 20 to 60 degrees when the lead angle (β) of the two screw grooves (11, 21) is no less than 5 degrees and no more than 7 degrees, and the maximum inclination angle (α) of the ball return path is from 40 to 60 degrees when the lead angle (β) of the two screw grooves (11, 42) is more than 7 degrees, wherein a minimum value of a curvature radius (r) of the ball return path is no less than 1.5 times of the diameter of the balls.
Method for producing a layer having piezoelectric properties, the powdered raw materials being deposited on a substrate or a carrier by means of a gas stream using an aerosol deposition process, characterized in that the piezoelectric properties of the layer are formed at room temperature or by annealing at temperatures up to a maximum of 350°C, the powder and/or the substrate or the carrier not being heat-treated by means of an external heat source at temperatures above 350°C during the coating.
Timepiece movement comprising an electromagnetic transducer formed by a stator and a rotor, the stator comprising at least one coil with a central axis that is parallel to the axis of rotation of the rotor, the rotor comprising a central shaft, two magnetic plates (18, 20) that are mounted on the central shaft and at least one magnet that is mounted on one of the two magnetic plates so as to be located between these two magnetic plates, said at least one coil lying in a general plane, located between the two magnetic sheets, axially remote from said at least one magnet, the rotor and said at least one coil being configured so that said at least one coil is located at least partially in a circular space which is defined by the rotor between its two magnetic plates from its central shaft to its periphery and which is left free by this rotor, said central shaft comprising a pinion which engages with a wheel of the timepiece movement; characterized in that said stator is configured so as to leave an angular sector of said circular space free, the aperture angle (a) of which is selected to allow said wheel to penetrate radially into said circular space up to said central shaft while remaining in this angular sector; in that said pinion is arranged between the two magnetic plates and has at least one useful portion located between two geometric planes (38, 39) defining said circular space about said axis of rotation; and in that said wheel is partially arranged between the two magnetic plates, in said angular sector of the circular space, so as to engage with said pinion.