Abstract: A detection system for a suspension system of a maglev train, comprising a detection component and a controller. The detection component comprises: a driving unit, a first test coil unit and a second test coil unit. A first test coil group of the first test coil unit corresponds to a gap coil of a to-be-detected suspension sensor, and a second test coil group of the second test coil unit corresponds to a speed coil of the to-be-detected suspension sensor. The controller is communicatively connected with the driving unit and a suspension controller, the driving unit is configured to send a driving signal to at least one of the first test coil unit and the second test coil unit in response to a control command from the controller, and the controller is configured to acquire parameter information fed back by the suspension controller.

Abstract: A detection system for a suspension system of a maglev train, comprising a detection component and a controller. The detection component comprises: a driving unit, a first test coil unit and a second test coil unit. A first test coil group of the first test coil unit corresponds to a gap coil of a to-be-detected suspension sensor, and a second test coil group of the second test coil unit corresponds to a speed coil of the to-be-detected suspension sensor. The controller is communicatively connected with the driving unit and a suspension controller, the driving unit is configured to send a driving signal to at least one of the first test coil unit and the second test coil unit in response to a control command from the controller, and the controller is configured to acquire parameter information fed back by the suspension controller.

Abstract: A magnetic levitation test system and an electromagnet test method. A vehicle-mounted controller (1024), an electromagnet controller, and an electromagnet are subjected to joint test by means of the magnetic levitation test system integrated with a vehicle-mounted controller test bed (102), an electromagnet controller test bed (104), and an electromagnet test bed (106). The running condition of a train can be simulated, and the vehicle-mounted controller (1024), the electromagnet controller, and the electromagnet are subjected to joint test under the simulated running condition of the train. Therefore, the vehicle-mounted controller (1024), the electromagnet controller, and the electromagnet are subjected to function verification, thereby reducing the fault rate when the vehicle-mounted controller (1024), the electromagnet controller, and the electromagnet are used at the same time.

Abstract: The present disclosure relates to a laser receiving device and a LiDAR. An isolation component is provided between a plurality of parallel sensor groups, and an isolation component is provided between a plurality of amplifier groups in parallel, so that a plurality of parallel receiving channels each form an independent current loop, thereby reducing noise crosstalk among signal receiving channels and improving the signal-to-noise ratio of the laser receiving device.

Abstract: The present disclosure relates to the technical field of rapid detection of molecules, and specifically relates to a method for rapid fluorescent immunoassay (FIA) and chemiluminescent immunoassay (CLIA) based on electrokinetic acceleration. The method includes the following steps sequentially: S1. sample acceleration: applying an actuating signal to a chip on which a target molecule is dripped to obtain a chip binding to the target molecule, where the chip includes an electrode sheet and coating molecules is immobilized on the electrode sheet; and S2. secondary antibody acceleration: adding a secondary antibody for binding to the target molecule dropwise on the chip binding to the target molecule, and applying an actuating signal to the chip to obtain a chip binding to the secondary antibody. The method can effectively improve a rate of FIA and CLIA, and can speed up a detection process and meet the need for rapid point-of-care testing (POCT).

Abstract: The present disclosure relates to the technical field of rapid detection of molecules, and specifically relates to a method for rapid fluorescent immunoassay (FIA) and chemiluminescent immunoassay (CLIA) based on electrokinetic acceleration. The method includes the following steps sequentially: S1. sample acceleration: applying an actuating signal to a chip on which a target molecule is dripped to obtain a chip binding to the target molecule, where the chip includes an electrode sheet and coating molecules is immobilized on the electrode sheet; and S2. secondary antibody acceleration: adding a secondary antibody for binding to the target molecule dropwise on the chip binding to the target molecule, and applying an actuating signal to the chip to obtain a chip binding to the secondary antibody. The method can effectively improve a rate of FIA and CLIA, and can speed up a detection process and meet the need for rapid point-of-care testing (POCT).

Abstract: This application relates to a calibration apparatus, a laser beam emission circuit and an electronic device. The calibration apparatus is applied to the laser beam emission circuit, where the laser beam emission circuit includes N lasers, and the calibration apparatus includes: a detection module, configured to detect optical power of an ith laser; and a control module, configured to adjust an ith control signal based on a detection result of the detection module. The control module is further configured to establish a mapping relationship between the ith laser and the ith control signal when the ith optical power is equal to the target optical power.

Abstract: A method of manufacturing a three-dimensional target object may include forming a shell from loose machining powder using an additive manufacturing process and subjecting the shell to a densification process to form a target object. The shell may define an enclosure that contains additional machining powder. The densification process may include causing metallurgical bonding between the shell and additional machining powder contained in the enclosure defined by the shell and shrinking and/or distorting the shape of the shell to conform the target object to a three-dimensional model for the target object. The shell may include a plurality of layers and/or parts that differ at least in respect of density. The plurality of layers and/or parts may be configured based at least in part on the shrinking and/or distorting to the shape of the shell needed to conform the target object to the three-dimensional model for the target object.

Abstract: The present disclosure relates to a laser receiving device and a LiDAR. An isolation component is provided between a plurality of parallel sensor groups, and an isolation component is provided between a plurality of amplifier groups in parallel, so that a plurality of parallel receiving channels each form an independent current loop, thereby reducing noise crosstalk among signal receiving channels and improving the signal-to-noise ratio of the laser receiving device.

Abstract: Method, systems, apparatus, devices, storage media and computer programs for video processing are provided. In one aspect, a method includes obtaining a reference video that includes at least one type of processing parameters, obtaining a to-be-processed video, cutting the to-be-processed video to obtain a plurality of frame sequences of the to-be-processed video, and editing the plurality of frame sequences according to the at least one type of processing parameters of the reference video to obtain a target video.

Abstract: A magnetic levitation test system and an electromagnet test method. A vehicle-mounted controller (1024), an electromagnet controller, and an electromagnet are subjected to joint test by means of the magnetic levitation test system integrated with a vehicle-mounted controller test bed (102), an electromagnet controller test bed (104), and an electromagnet test bed (106). The running condition of a train can be simulated, and the vehicle-mounted controller (1024), the electromagnet controller, and the electromagnet are subjected to joint test under the simulated running condition of the train. Therefore, the vehicle-mounted controller (1024), the electromagnet controller, and the electromagnet are subjected to function verification, thereby reducing the fault rate when the vehicle-mounted controller (1024), the electromagnet controller, and the electromagnet are used at the same time.

Abstract: Disclosed are an electromagnetic transverse active damping system, and a control method and apparatus therefor. The electromagnetic transverse active damping system comprises an electromagnet controller, wherein the electromagnet controller can determine a value of a damper target gap for an electromagnet active damper according to acquired train transverse acceleration, train position information and train speed, and control the action of the electromagnet active damper according to the determined value of the damper target gap; and electrical control is employed during the control of the electromagnet active damper by the electromagnet controller.

Abstract: A method of manufacturing a three-dimensional target object may include forming a shell from loose machining powder using an additive manufacturing process and subjecting the shell to a densification process to form a target object. The shell may define an enclosure that contains additional machining powder. The densification process may include causing metallurgical bonding between the shell and additional machining powder contained in the enclosure defined by the shell and shrinking and/or distorting the shape of the shell to conform the target object to a three-dimensional model for the target object. The shell may include a plurality of layers and/or parts that differ at least in respect of density. The plurality of layers and/or parts may be configured based at least in part on the shrinking and/or distorting to the shape of the shell needed to conform the target object to the three-dimensional model for the target object.

Abstract: Disclosed are an electromagnetic transverse active damping system, and a control method and apparatus therefor. The electromagnetic transverse active damping system comprises an electromagnet controller, wherein the electromagnet controller can determine a value of a damper target gap for an electromagnet active damper according to acquired train transverse acceleration, train position information and train speed, and control the action of the electromagnet active damper according to the determined value of the damper target gap; and electrical control is employed during the control of the electromagnet active damper by the electromagnet controller.

Abstract: A method for manufacturing a three-dimensional part. The method includes: performing partial densification processing on loose machining powder, to form a densified and sealed enclosure, where there is still loose machining powder accommodated inside the enclosure; and performing overall densification processing on the enclosure and the machining powder inside the enclosure, so as to implement metallurgical bonding between the machining powder inside the enclosure and the enclosure during the densification, thereby forming a target three-dimensional part.

Abstract: A method for manufacturing a high melting point metal based object includes providing pure high melting point metal based powder, fabricating a green object from the powder, by way of a laser sintering technique, providing infiltration treatment to the green object, and providing heating pressure treatment to the green object The temperature to the green object is controlled to the re-sintering point of the green object.

Abstract: A method for manufacturing a high melting point metal based object includes providing pure high melting point metal based powder, fabricating a green object from the powder, by way of a laser sintering technique, providing infiltration treatment to the green object, and providing heating pressure treatment to the green object. The temperature to the green object is controlled to the re-sintering point of the green object.

Abstract: A circuit shielding structure, relating to a technical field of electronics, includes a substrate, wherein: at least one radio frequency component circuit is fixed on the substrate; a wave-absorbing material layer is embedded in the substrate; a shielding wall made of wave-absorbing material is arranged on the substrate and around the radio frequency component circuit; a conductive material layer covers the shielding wall; a closed space is formed among the substrate in which the wave-absorbing material layer is embedded, the shielding wall and the conductive material layer, and the radio frequency component circuit is sealed in the closed space, so that omnidirectional shielding is achieved.

Abstract: A method for manufacturing a rotary article comprises: providing a cold metal transfer welding apparatus comprising a welding torch; providing a rotary substrate; providing a digital representation of the rotary article having at least one internal flo passage; defining a welding path on the rotary substrate based on the digital representation; rotating the rotary substrate while depositing a filler metal layer by layer on the welding path of the rotary substrate to form the rotary article; and separating the rotary substrate from the rotary article.