Tencent Technology (shenzhen) Company Limited

Huawei Technologies Co., Limited

Zhenxing Zhang

Nan Li

Shengyu Zhang

Yu Zhou

Sainan Huai

Yarui Zheng

Bin Qiu

Hua Long

Jiansheng Xu

Yicong Zheng

Wenlong Zhang

Ran Zhang

Chuhong Yang

Zelong Yin

Weiguang Zhou

Zhaohua Qian

Jiandong Ke

Maochun Dai

Guang Qian

Nenghu Chen

Junhao Jin

Xiu Gu

Shuoming An

Xiong Xu

Zhongkang Fang

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.

Video switching method and related device

A transmission method, apparatus, and system 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.

Transmission method, apparatus, and system

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.

Quantum chip, quantum processor and quantum computer

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.

Method for processing frequency control signal of qubit and superconducting quantum chip

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.

Superconducting quantum hybrid system, computer device, and quantum chip

This application relates to a sideband suppression method performed at a computer device. The method includes: obtaining a target baseband signal, a target signal correlated parameter corresponding to the target baseband signal, the target signal correlated parameter including at least one of a signal feature parameter corresponding to the target baseband signal or a signal feature parameter of a carrier signal corresponding to the target baseband signal, and a corresponding target sideband suppression parameter according to the target signal correlated parameter; performing signal correction on the target baseband signal based on the target sideband suppression parameter, to obtain a target corrected baseband signal, the target sideband suppression parameter being used for suppressing a power of a first suppression sideband corresponding to the target baseband signal; and inputting the target corrected baseband signal to a modulator for signal modulation, to obtain a target modulation signal corresponding to the target baseband signal.

Sideband suppression method and apparatus, computer device, and storage medium

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.

Quantum circuit and quantum processor

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.

Parity checking method for qubit and superconducting quantum chip

A processing method is provided for a data providing server for displaying data. The method includes receiving scenario resource data sent by an interactive application server after an interactive scenario is created; and receiving snapshot data sent by the interactive application server according to a preset snapshot period. The snapshot data is generated by the interactive application server according to a full-object status in the interactive scenario. The method also include receiving a data load request sent by a data display client; sending the scenario resource data to the data display client according to the data load request, and the snapshot data to the data display client; and sending the object interaction data to the data display client after buffering object interaction data generated by the interactive application server.

Processing method for displaying data in client and related device

A method is provided for controlling game character movement for a server. The method includes receiving a movement-request data-packet sent by a first client, where the server is configured to manage a character movement on the first client and a character movement on a second client in a same game scene. The method also includes determining whether a target client is the first client or the second client according to the movement-request data-packet, where a character on the target client is a character whose movement needs to be controlled by the first client. Further, the method includes updating a movement identifier of the target client, and broadcasting the updated movement identifier of the target client to the first client and the second client.

Method for controlling character movement in game, server, and client

A selective protection circuit includes a current-limiting module and a control module, where the current-limiting module includes a switch unit, and the switch unit includes a first end, a second end, and a control end; the first end is connected to a positive electrode of a bus voltage of an HVDC power supply, and the second end is connected to a positive electrode of a power supply of a voltage pre-regulator circuit in a load branch connected to the current-limiting module; the control end is connected to the control module; and the control module is configured to output a control signal to the control end when a value of a total current flowing through the switch unit is greater than or equal to a preset threshold, so as to switch off the switch unit.

Selective protection circuit and method, and power supply system

A high voltage direct current soft-start circuit is provided in which a first end of a first switch is connected to a negative electrode of a high voltage direct current, a first end of a second switch is connected to the negative electrode of the high voltage direct current, and a drive control unit is connected separately to the first switch, the second switch, and a load, where a first part of a connector is connected to the drive control unit, and upon power-on, the first part of the connector communicates with a second part of the connector, to trigger the drive control unit to drive the first switch to turn on. The drive control unit delays a preset time after driving the first switch to turn on, drives the second switch to turn on, and drives the load to start after the second switch is turned on.

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Shenzhen, China

Zhenxing Zhang