Abstract: A tracking method for a tracking measurement system including a tracking apparatus is provided. The method includes acquiring a current tracking distance between the tracking apparatus and a to-be-tracked object, and determining, based on the current tracking distance, a tracking parameter level for the tracking apparatus.

Abstract: A portable mosquito killing lamp includes a housing and a lamp cover connected to the housing; a mosquito killing assembly and a light emitting assembly are arranged on the housing; the light emitting assembly includes an illuminant and a dazzling cover, and the illuminant and the dazzling cover are connected to the housing and are disposed between the housing and the lamp cover; the dazzling cover covers the illuminant and is disposed inside the lamp cover.

Abstract: A wireless communication device (alternatively, device, WDEV, etc.) includes at least one processing circuitry configured to support communications with other WDEV(s) and to generate and process signals for such communications. In one example, the circuitry is configured to generate a null data packet (NDP), transmit at least a portion of the NDP to another wireless communication device via fewer than all of a plurality of sub-channels of a communication channel, and receive feedback from the another wireless communication device that is based on the another wireless communication processing the at least the portion of the NDP that is received via the fewer than all of the plurality of sub-channels of the communication channel. In one example, the generated NDP includes at least one signal field (SIG) field therein that includes information to specify a preamble puncturing option or the information is transmitted in a previous packet.

Abstract: A method, computer system, and a computer program product are provided for training a neural network for finding queried videos. Two pairs of video clips and associated text are obtained from a first dataset and a second dataset. The first dataset is used to train two video encoders by providing the video clips to the encoders as input and providing the outputs to a cosine similarity calculator. The second dataset is used to train a multi-mentor paradigm with two mentors. A first mentor and a second mentor are each provided the pair of textual data inputs. The first mentor provides a similarity value comparison, and the second mentor provides a word mover distance. Using the output from the multi-mentor paradigm and the encoders, a contrastive loss is calculated and used to provide contrastive learning of video features by differentiating similarity and dissimilarity of the video clips.

Abstract: This application relates to simulation equipment, and more particularly to an apparatus and method for simulating a line running state of magnetic levitation. The apparatus includes a levitation-guidance mechanism, a moving mechanism and a magnetic guideway fluctuation simulated mechanism. The levitation-guidance mechanism is configured to detect a force on a single Dewar of a maglev train to be simulated. The moving mechanism is configured to move the levitation-guidance mechanism. The magnetic guideway fluctuation simulated mechanism is arranged below the levitation-guidance mechanism, and is configured to apply a variable force to the levitation-guidance mechanism. The variable force is configured to simulate a constantly-variable electromagnetic force applied to the levitation-guidance mechanism by a real track.

Abstract: A multi-mode three-dimensional scanning method includes: obtaining intrinsic parameters and extrinsic parameters of a calibrated camera in different scanning modes, and upon switching between the different scanning modes, triggering a change of parameters of the camera to the intrinsic parameters and the extrinsic parameters in a corresponding scanning mode; and a user selecting to execute a laser-based scanning mode, a speckle-based scanning mode or a transition scanning mode according to a scanning requirement. In the continual fusion and conversion during the whole scanning process, the speckle reconstruction and the laser line reconstruction are unified to the same coordinate system, and the surface point cloud of the object being scanned is output. The present disclosure also provides a multi-mode three-dimensional scanning system.

Abstract: The disclosure discloses a viscous outdoor mosquito killing lamp including a lamp body which includes a housing within which a lighting lamp is disposed; wherein the housing is provided with a trapping chamber, a sidewall of the trapping chamber is provided with a first through hole for flying insects to pass through; a trapping plate is detachably connected to the sidewall of the trapping chamber, and a viscous sticker is attached onto the trapping plate. The outdoor mosquito killing lamp is safe and environmentally friendly, and is more convenient to be cleaned up.

Abstract: The disclosure discloses an outdoor mosquito killing lamp including a housing and a lamp cover connected to the housing; a mosquito killing assembly and a light emitting assembly are provided on the housing; the light emitting assembly includes an illuminant and a dazzling cover, the illuminant is connected to the housing and disposed between the housing and the lamp cover; the dazzling cover covers the illuminant and is disposed inside the lamp cover, and the lamp cover or the housing is provided with a connecting member. The outdoor mosquito killing lamp has not only the functions of lighting and mosquito killing, but also has the function of entertainment, which can meet the needs of modern people.

Abstract: A method for detecting temperature rise inside a superconducting levitation device based on deep learning is provided. An initial vibration acceleration information, an initial temperature rise information, and a vibration acceleration detection information are obtained. Feature extraction is performed on the initial vibration acceleration information to obtain a high-frequency feature parameter set and a low-frequency feature parameter set. Wavelet band energy calculation is performed for the high-frequency feature parameter set and the low-frequency feature parameter set to obtain a wavelet band energy information. The wavelet band energy information and the initial temperature rise information are input into a preset deep learning network for training to obtain an internal temperature rise detection model of the superconducting levitation device.

Abstract: The present disclosure relates to a resonance element for a cavity filter, the resonance element made of a metal sheet and comprising a planar portion to be positioned facing a first inner side of a resonance cavity of the cavity filter and an elongate supporting portion extending from the planar portion towards the second inner side of the resonance cavity opposite to the first inner side and connected therewith in a grounding state, wherein the planar portion is configured to be substantially in an E-shape, an F-shape, an L-shape or a T-shape when viewed along a direction perpendicular to a plane of the planar portion. The present disclosure also relates to a one-piece resonance member comprising the above resonance element and a cavity filter comprising the above-said resonance element and/or the above-said one-piece resonance member.

Abstract: A filter cover, a resonator, an RF cavity filter comprising the filter cover or the resonator, and a communication device comprising the RF cavity filter are disclosed. A filter cover (2) according to an embodiment comprises, at its inner surface (21), at least one flexible flap (22, 23) for frequency tuning or coupling tuning, which extends from and substantially perpendicular to the inner surface (21). A resonator (3) according to an embodiment is made of a sheet metal, and is integrally formed with a body portion (31), a folded portion (32), and a flexible portion (33, 34, 35) which is connected to the body portion (31) or the folded portion (32) and is bendable with respect to the body portion (31) or the folded portion (32) for frequency tuning or coupling tuning.

Abstract: An aromatherapy mosquito killer includes a shell with a light chamber, a fan chamber and a mosquito killing chamber provided therein, a light module arranged in the light chamber for emitting light outwardly, a fan arranged in the fan chamber, and an aromatherapy box arranged in the mosquito killing chamber for collecting mosquitoes and storing aromatherapy. Airflow holes are defined in top and bottom sides of a chamber wall of the fan chamber. Ventilation holes are defined in a side wall and a top wall of the aromatherapy box. Air inlets and air outlets are defined in the shell. The air inlets, the airflow holes and the ventilation holes in the top wall of the aromatherapy box cooperatively form a mosquito-killing air duct for sucking in mosquitoes; and the ventilation holes in the side wall of the aromatherapy box cooperatively form an exhaust air duct.

Abstract: A computer-implemented method, according to one embodiment, includes creating a two-dimensional (2D) barcode that includes four perimeter sides. An array of a plurality of squares are included within the four perimeter sides. At least a first of the squares includes a first portion defined by a first diagonal line within the first square, a second portion defined by the first diagonal line, and a third portion defined by a first shape within the second portion. A computer program product, according to another embodiment, includes a computer readable storage medium having program instructions embodied therewith. The program instructions are readable and/or executable by a computer to cause the computer to perform the foregoing method. A system, according to another embodiment, includes a processor, and logic integrated with the processor, executable by the processor, or integrated with and executable by the processor. The logic is configured to perform the foregoing method.

Abstract: A cryostat device for a superconducting magnetic levitation train includes a conduction assembly, a support assembly and a refrigeration assembly. The conduction assembly includes a conduction shell, a copper box arranged in the conduction shell, and a thermally-conductive support rod assembly. A top of the thermally-conductive support rod assembly is connected with a bottom of the copper box. A bottom of the thermally-conductive support rod assembly is connected with a bottom wall of the conduction shell. A top of the copper box is provided with a superconducting bulk accommodating cavity. The bottom of the copper box is provided with a cooling energy connecting end. A top of the support assembly is configured to support the conduction assembly. A bottom of the support assembly is connected with a bogie chassis. The refrigeration assembly is provided with a cooling energy input end connected with the cooling energy connecting end.

Abstract: A method for accelerated video editing that includes providing a video, segmenting, using a segmentation module, the video into a number of clips, and automatically computing, for each clip of the number of clips, corresponding metadata representing at least one attribute of the clip based on an analysis of contents of each clip of the plurality of clips. A profile script is generated based on the corresponding metadata, the profile script is generated to include one or more editing actions to be performed on a section of the video that corresponds to at least one identified clip from the number of clips. An editing tool is used to automatically edit the video based on the profile script to generate an edited video.

Abstract: The present invention provides a structure of car lamp comprising a light-guiding element and a light-emitting device. The width of a first body shrinks gradually from a first light-emergence plane to a first light-incidence plane and forming a first side oblique plane and a second side oblique plane. A second body of the light-guiding element includes a second light-incidence plane and a second light-emergence plane. The second light-incidence plane is connected to the first light-emergence plane. The first body includes side oblique planes and oblique planes; the second body includes a third side oblique plane, a reflective plane, and oblique planes. By using the side oblique planes, the reflective planes, and the oblique planes to reflect part of incident light out of the light-guiding element, the reduction of the overall luminous efficacy of the structure of car lamp can be avoided.

Abstract: The present application provides a structural strengthening device to improve the lateral strength of a building frame. This most basic form of this device consists of one structural (connecting) member, two beam-column connectors, and the buffering material. By connecting adjacent columns in the frame, resisting moments will be generated at the ends of the connecting member(s) during lateral deformation of the frame, and the bending moments and stresses at the base of the connected columns can be reduced. Implementation of this device does not only reduce the time and space required for structural rehabilitation of buildings, the “detachable” feature of this device also allows the owner to use this device as a temporary (reusable) or permanent rehabilitation measure.

Abstract: A fault detection device for a superconducting electrodynamic maglev track includes a frame system and a detection system. The frame system is provided between two sidewall discrete figure-8-shaped coil tracks, and is provided with a signal processing device. The detection system is provided on each side of the frame system, and includes a lifting device and a clamping device. The lifting device is configured to adjust a vertical height of the clamping device. The clamping device is provided at an outer side of the lifting device, and is provided with a first connection portion and a second connection portion, which are respectively connected to a permanent magnet array and a receiving coil. The second connection portion is provided at periphery of the first connection portion. The receiving coil is electrically connected to the signal processing device. A fault detection method is further provided.

Abstract: A cryostat device for a superconducting magnetic levitation train includes a conduction assembly, a support assembly and a refrigeration assembly. The conduction assembly includes a conduction shell, a copper box arranged in the conduction shell, and a thermally-conductive support rod assembly. A top of the thermally-conductive support rod assembly is connected with a bottom of the copper box. A bottom of the thermally-conductive support rod assembly is connected with a bottom wall of the conduction shell. A top of the copper box is provided with a superconducting bulk accommodating cavity. The bottom of the copper box is provided with a cooling energy connecting end. A top of the support assembly is configured to support the conduction assembly. A bottom of the support assembly is connected with a bogie chassis. The refrigeration assembly is provided with a cooling energy input end connected with the cooling energy connecting end.