Abstract: Disclosed are a method and an apparatus for determining a multi-qubit measurement result, and a quantum computer. In the method, during determining multi-qubit measurement results, qubit readout feedback signals are first acquired for N associated qubits, then quantum state measurement values of the respective qubits are acquired based on the qubit readout feedback signals, and finally, measurement results of the N associated qubits are determined based on information weights of the respective qubits and the quantum state measurement values of the respective qubits.

Abstract: The invention relates to an emergency support robot for polar UAVs, belonging to the technical field of emergency support robots for polar UAVs. The technical problem to be solved is to improve the structure of the existing emergency support robots for polar UAVs. The technical scheme adopted is as follows: the robot is of a car body structure; a support table is arranged on the upper side of the chassis of the car body; a traveling mechanism is arranged on both sides of the chassis of the car body; the two sides of the support table are hinged with a pair of casings through hinged buckles and push rods; the casings are also provided with a wind power plant; the support table is provided with a launching guide rail.

Abstract: Disclosed are a method and an apparatus for determining a measurement result of multiple qubits, and a quantum computer. The method comprises: separately acquiring, based on a sequence number of each to-be-read qubit, a readout feedback signal of a data bus corresponding to the to-be-read qubit; acquiring quantum state information of each to-be-read qubit based on the corresponding readout feedback signal; separately acquiring a quantum state measurement value of each to-be-read qubit based on the corresponding quantum state information and a readout criterion of the to-be-read qubit; and determining a measurement result target value of to-be-read qubits based on an information weight and the quantum state measurement value of each to-be-read qubit.

Abstract: Disclosed are a method and an apparatus for determining a multi-qubit measurement result, and a quantum computer. In the method, during determining multi-qubit measurement results, qubit readout feedback signals are first acquired for N associated qubits, then quantum state measurement values of the respective qubits are acquired based on the qubit readout feedback signals, and finally, measurement results of the N associated qubits are determined based on information weights of the respective qubits and the quantum state measurement values of the respective qubits.

Abstract: The present disclosure discloses a method and apparatus for optimizing a qubit control signal, and a quantum computer. The method includes: obtaining an operating frequency of a qubit based on a Ramsey experiment; obtaining a detuning amount of a frequency of the qubit control signal based on an amplified phase error (APE) experiment, where the APE experiment is an experiment that measures a change in quantum state information of the qubit with a preset detuning amount of the frequency of the qubit control signal; and optimizing the qubit control signal based on the detuning amount of the frequency.

Abstract: The present disclosure discloses a method and apparatus for optimizing a qubit control signal, and a quantum computer. The method includes: obtaining an operating frequency of a qubit based on a Ramsey experiment; obtaining a detuning amount of a frequency of the qubit control signal based on an amplified phase error (APE) experiment, where the APE experiment is an experiment that measures a change in quantum state information of the qubit with a preset detuning amount of the frequency of the qubit control signal; and optimizing the qubit control signal based on the detuning amount of the frequency.

Abstract: A calibration method and a calibration apparatus for a delay of a quantum computer system, wherein when the calibration method is implemented, a first control signal is first applied to the qubit on the quantum chip through the first transmission line, simultaneously a second control signal with a preset delay is applied to the qubit through the second transmission line, then the preset delay is updated sequentially within a preset range, and the second control signal with updated preset delay is applied to the qubit, so as to obtain a change curve representing a probability of the quantum state of the qubit being an eigenstate as a function of the preset delay, and then it is determined whether the change curve has a trough, if the change curve has a trough, finally, delay calibration is performed for the first transmission line and the second transmission line based on the preset delay corresponding to the trough of the change curve, so as to eliminate the transmission delay caused by different line lengths

Abstract: Provided are a method for determining crosstalk of qubits, a quantum control system, and a quantum computer. The method includes: performing a Ramsey experiment on a first qubit, where between two X/2 quantum logic gates in the Ramsey experiment, first and second electrical signals are applied to first and second qubits, adjusting an amplitude of the second electrical signal for multiple times so that the second qubit causes a crosstalk effect on the first qubit, and acquiring a crosstalk coefficient of the second qubit to the first qubit by linearly fitting a relationship between an amplitude of the first electrical signal affected by crosstalk and the corresponding amplitude of the second electrical signal.

Abstract: The invention relates to an emergency support robot for polar UAVs, belonging to the technical field of emergency support robots for polar UAVs. The technical problem to be solved is to improve the structure of the existing emergency support robots for polar UAVs. The technical scheme adopted is as follows: the robot is of a car body structure; a support table is arranged on the upper side of the chassis of the car body; a traveling mechanism is arranged on both sides of the chassis of the car body; the two sides of the support table are hinged with a pair of casings through hinged buckles and push rods; the casings are also provided with a wind power plant; the support table is provided with a launching guide rail.

Abstract: A plate and strip rolling process oriented efficient and stable current applying manipulator is provided, which aims to effectively avoid potential safety hazards caused integral electrifying of the rack during normal current applying, can improve the defects that current loss is caused by a normal current applying way and the service life of the roller is shortened, and the difficulty in applying pulse current to plate strips while rolling plate strips with limited length dimensions at a higher temperature, and can realize stable loading of pulse current with limited dimension, and effectively act pulse current within a rolling region.