Abstract: Embodiments of this application disclose a video switching method and a related device, and are applied to the multimedia field. The method in embodiments of this application includes: A video transmit end receives a video switching instruction when sending a first video frame, where the first video frame is one frame of video data of a first video stream that is being sent by the video transmit end; and the video transmit end switches video data in response to the video switching instruction when a first field blanking period after the first video frame arrives. In embodiments of this application, a video data switching process of the video transmit end may be controlled to occur in the field blanking period, and the video transmit end always sends a complete video frame to a video receive end.

Abstract: This application provides a transmission method, apparatus, and system, to implement bidirectional transmission of an audio/video signal between peer devices. The transmission system may include a first transmission apparatus and a second transmission apparatus, where the first transmission apparatus is connected to the second transmission apparatus through a first cable, and the first cable includes a first number of main downlink lanes and a second number of main uplink lanes. Bidirectional transmission of the audio/video signal between the first transmission apparatus and the second transmission apparatus is performed through the first cable.

Abstract: The present invention discloses an adjustable rack device and a refrigerator having the same; the adjustable rack device includes a rack assembly and a slide rail assembly, the rack assembly includes a rack body and a bracket, the slide rail assembly includes a rail groove, an elastic assembly, a sliding plate fixedly connected with the bracket and at least two stop positions, a first end of the elastic assembly is provided at an end portion of the rail groove located at a supporting surface of the rack body, and a second end of the elastic assembly is connected with the sliding plate and provides an elastic restoring force for the sliding plate. Gravity of an adjustable rack is not required to be overcome for work in a moving process of the rack, and the rack is more portable and labor-saving.

Abstract: A transmit end connector obtains feature information, and the feature information identifies a type of a second transmission channel; the transmit end connector sends the feature information through the second transmission channel; and a receive end connector receives the feature information through a first transmission channel. When the feature information corresponds to a first-type transmission channel, the receive end connector determines that a male end of a first connector is inserted into a female end of a second connector in a first direction; or when the feature information corresponds to a transmission channel other than the first-type transmission channel, the receive end connector determines that a male end of a first connector is inserted into a female end of a second connector in a second direction.

Abstract: The present invention discloses a self-balancing adjustable rack device and a refrigerator having the same; the rack device includes a rack assembly, slide rail assemblies and a synchronizing assembly, the rack assembly includes a rack body and brackets, the slide rail assemblies are arranged on two sides of the rack body in a vertical direction, the synchronizing assembly includes at least one tensioning piece and at least two pulleys, one end of the tensioning piece is fixed at an upper end of a sliding plate, and the other end of the tensioning piece is fixed at a lower end of another sliding plate in the slide rail assembly on the other side through the pulleys, such that two sides of the rack assembly can be balanced in a moving process, and meanwhile, a pulling force is provided for the rack assembly by the tensioning piece.

Abstract: A shelf assembly for a refrigerator and a refrigerator are provided. The shelf assembly comprises: a shelf device for placing articles; a slide rail forming a slideway in a vertical direction, and having at least two positioning portions in a vertical direction; wherein the shelf assembly further comprises: a moving device for supporting the shelf device, the moving device comprising a bearing plate that is operably moved upward and downward relative to the slide rail, and a locking plate rotatably disposed relative to the bearing plate, a positioning member being disposed on the locking plate, the locking plate engaging with the shelf device; when the shelf device is operably lifted or released, a positioning member is disengaged from or engaged with one of the positioning portions, to adjust the height of the shelf device. Adjustment of the shelf device is simple and convenient and the cost is lower.

Abstract: The present disclosure relates to a method, a device and a computation apparatus for allocating a space address to data in a memory, where the computation apparatus is included in a combined processing apparatus, which includes a general interconnection interface and other processing apparatuses. The computation apparatus interacts with other processing apparatuses to jointly complete computations specified by the user. The combined processing apparatus also includes a storage apparatus. The storage apparatus is respectively connected to the computation apparatus and the other processing apparatuses, and is used for storing data of the computation apparatus and other processing apparatuses. The technical solutions of the present disclosure improve utilization of storage space of the memory.

Abstract: A signal control system for quantum computing includes a signal source, a waveform calibration circuit, a qubit control line, and a qubit module. The signal source is configured to generate an original control signal. The waveform calibration circuit includes at least one IIR digital filter. The IIR digital filter is configured to perform waveform calibration on the original control signal to obtain a calibrated control signal. The qubit control line is configured to guide the calibrated control signal to the qubit module. The qubit module is configured to generate a qubit. The calibrated control signal acts on the qubit after passing through the qubit control line, so as to control the qubit.

Abstract: The present disclosure provides a synchronization system and method for a substation monitoring backend database, an SCD, and an RCD. The system includes: a synchronization token management unit, an SCD synchronization module, an RCD synchronization module, and a monitoring backend database synchronization module. The synchronization token management unit is configured to send or reclaim modification tokens, only at most one of which can exist at a time, and send a synchronization token.

Abstract: A parity checking method and apparatus for a qubit, a superconducting quantum chip, an electronic device, and a storage medium are provided. The method includes: configuring a measurement system for a qubit excited state measurement environment, the measurement system including: a first data qubit, a second data qubit, and an auxiliary qubit; determining a first operational frequency parameter of the first data qubit; determining a second operational frequency parameter of the second data qubit; determining a third operational frequency parameter of the auxiliary qubit; determining a logic gate matching the qubit excited state measurement environment based on the first operational frequency parameter, the second operational frequency parameter, and the third operational frequency parameter; and checking parity of a qubit in the qubit excited state measurement environment according to the logic gate.

Abstract: The present disclosure provides a dehydration and upgrading system for a high-water-content material, including a reaction kettle, a steam generator and a steam recovery apparatus, wherein the steam generator and the steam recovery apparatus are located at left and right sides of the reaction kettle respectively, and are connected through steam pipelines; a pressure sensing device is arranged on the reaction kettle to sense the pressure therein; a feed port is formed at an upper end of the reaction kettle; a discharge port is formed at a lower end of the reaction kettle; a discharge conveying belt is arranged below the discharge port; a high-pressure air pipe is arranged on one side of the middle part of the reaction kettle; and a high-pressure air valve is arranged on the high-pressure air pipe.

Abstract: The present disclosure relates to a lignite transient dehydration upgrading and temperature and pressure instant generation device system. Materials are added by a feeding device above the steam dehydration system and enter a feeding area, at the moment, a sealing valve is opened, an internal material platform is pushed forwards in a rotary mode, wet materials enter a dehydration area, and then the sealing valve is closed after dry materials enter. Saturated steam is added into the device by the steam generation system, then the device is adjusted to be in a high-temperature and high-pressure state by the electric control system, and the pressure is continuously stabilized for a certain period of time. The sealing valve is then opened, the dry materials enter a discharging area and then are discharged by a conveying belt, while new wet materials enter the dehydration area accordingly to begin the next round of dehydration.

Abstract: A quantum circuit includes: a qubit, a resonant cavity, and a feeder, the resonant cavity being coupled to the qubit, and the feeder being coupled to the qubit. The feeder is configured to feed an initialization signal to the qubit, the initialization signal being a modulation signal used for causing a frequency of the qubit to generate a vibration. The vibration causes an equivalent state exchange to occur between the qubit and the resonant cavity, and an excited state of the qubit is initialized to a ground state by using the resonant cavity.

Abstract: A superconducting quantum hybrid system includes: a silicon carbide (SiC) epitaxial layer; and a superconducting qubit line, the superconducting qubit line corresponding to a superconducting qubit, where a designated region of the SiC epitaxial layer includes a nitrogen vacancy (NV) center, the NV center being formed by implanting nitrogen ions into the designated region of the SiC epitaxial layer, and where the superconducting qubit line is located on a surface of the SiC epitaxial layer, the superconducting qubit is coupled to a solid-state defect qubit, and the solid-state defect qubit is a qubit corresponding to the NV center in the designated region.

Abstract: A method for processing a frequency control signal includes providing a square wave pulse to a target qubit, and controlling, after a first time elapses from an end time of the square wave pulse, the target qubit to rotate around a Y axis by a first target distance. The first time has a value that is variable. The method includes performing, after a second time elapses from the first time, a QST measurement on the target qubit and reconstructing a density matrix of the target qubit based on the QST measurement to obtain a phase parameter value of the target qubit associated with the value of the first time. Further, the method includes varying the first time and repeating the QST measurement in response to values of the first time to obtain phase parameter values associated with the values of the first time; and adjusting the frequency control signal accordingly.

Abstract: This application discloses methods and devices for a quantum chip, a quantum processor and a quantum computer, and relates to the field of quantum technology. The quantum chip includes a bottom sheet and a top sheet; a qubit array disposed on the top sheet, the qubit array comprising a plurality of qubits distributed in an array structure of M rows by N columns, and M and N being both integers greater than 1; a reading cavity disposed on the bottom sheet, and the reading cavity being configured to acquire status information of a qubit in the qubit array; and the bottom sheet and the top sheet being electrically connected.

Abstract: This application relates to a sideband suppression method performed at a computer device.

Abstract: The present invention provides a lateral flow test device for detecting a coronavirus antibody by immunoassay; the test device includes three lateral flow test strips; a first test strip is directed to the antibody detection of a N full-length protein and/or an S full-length protein antigens/antigen; and a second test strip is directed to the antibody detection of an S-RBD-site protein antigen, and both of the first strip and the second strip are combined to detect novel coronavirus IgG and IgM antibodies, which can practically reduce the possibility of missing detection and wrong detection; further, a third test strip is directed to the detection of a neutralizing antibody at an S-RBD site to rapidly detect the neutralizing antibody having protection effect, thus further helping the prevention of missing detection and helping patients to perform self-detection and judge the situations of recovery, or vaccine immunity.