Abstract: Embodiments of this application provide a communication method and system, and an apparatus, and relate to the field of communication technologies An example method includes obtaining a first carrier spacing, where the first carrier spacing is N times a second carrier spacing corresponding to a first low-frequency channel, and N>1. The method further includes modulating a to-be-sent high-frequency physical layer signal based on the first carrier spacing to generate a first PPDU. The method further includes sending the first PPDU to a receive device through a first high-frequency channel.

Abstract: An aerial vehicle includes a communication unit configured to receive a wireless signal from a geo-fencing device, and a flight controller configured to generate one or more control signals that cause the aerial vehicle to operate in accordance with a set of flight regulations generated based on the wireless signal. The geo-fencing device is configured not for landing of the aerial vehicle. The set of flight regulations includes rules for controlling at least one of the aerial vehicle, a carrier carried by the aerial vehicle, or a payload of the aerial vehicle.

Abstract: An unmanned aerial vehicle (UAV) includes a sensor configured to detect an indicator of a geo-fencing device; and a flight controller configured to generate one or more signals that cause the UAV to operate in accordance with a set of flight regulations that are generated based on the detected indicator of the geo-fencing device.

Abstract: A system for controlling a vehicle, including one or more communication modules and one or more processors operably coupled to the communication modules. The one or more processors are configured to individually or collectively: receive a geo-fence identifier associated with geo-fence information, where the geo-fence identifier uniquely identifies the geo-fence from other geo-fences; obtain one or more activity regulations for the vehicle based on the geo-fence identifier; and control operation of the vehicle according to the one or more activity regulations.

Abstract: The present disclosure proposes a method and apparatus for multi-model joint denoising training. Multiple models may be obtained. A set of training samples may be denoised through the multiple models. The multiple models may be trained with the set of denoised training samples.

Abstract: The present disclosure proposes a method and apparatus for representation learning of cross-language texts. A source language text and a target language text may be obtained. An initial joint representation of the source language text and the target language text may be generated. Relations among a plurality of words in the source language text and the target language text may be identified. A joint representation of the source language text and the target language text may be generated based on the initial joint representation and the relations. The joint representation may be projected to at least a target language representation corresponding to the target language text.

Abstract: A method for regulating an unmanned aerial vehicle (UAV) includes receiving a UAV identifier and one or more types of contextual information broadcasted by the UAV. The UAV identifier uniquely identifies the UAV from other UAVs. The one or more types of contextual information includes at least geographical information of the UAV. The method further includes authenticating, via an authentication device, an identity of the UAV based on the UAV identifier to determine whether the UAV is authorized for operation, and transmitting a signal to a remote device in response to determining whether the UAV is authorized for operation.

Abstract: A printing consumable and an ink cartridge are provided in various embodiments of the present disclosure. The printing consumable includes an ink container, detachably installed on an ink cartridge main body; and further includes a first memory, disposed on the ink container, where the first memory is capable of being accessed by a printer and stores ink amount data related to an ink status in the ink container. The printer is configured to rewrite the ink amount data during an ink consumption process, where when ink is substantially used up, the printer is configured to rewrite a part of the ink amount data; and the rewritten part of the ink amount data is configured to be at a non-rewritable protected state.

Abstract: The present invention relates to a composite material for improving metal conductivity and a method of preparing the same. The composite material includes a composite of n A-B-A structures, where A is a graphene fragment layer, B is a metal foil layer, and n is an integer greater than or equal to 2; and the graphene fragment layer includes graphene fragments uniformly laid flat on the metal foil layer. The conductivity of the conventional metal material is increased by at least 18%, and the conductivity of the conventional metal material in a bending state remains almost the same as in a normal state.

Abstract: A supervision method for a flight state of an unmanned aerial vehicle includes respectively establishing communication connections with the unmanned aerial vehicle and a supervision server, receiving identity information about the unmanned aerial vehicle and flight information about the unmanned aerial vehicle sent by the unmanned aerial vehicle, automatically sending the identity information about the unmanned aerial vehicle and the flight information to the supervision server in an on-line mode, receiving at least one of a flight restriction instruction or warning information sent by the supervision server, and forwarding the flight restriction instruction to the unmanned aerial vehicle, so that the unmanned aerial vehicle executes the flight restriction instruction, thereby restricting flight behaviour of the unmanned aerial vehicle in an on-line flight mode via the flight restriction instruction.

Abstract: A method for monitoring an unmanned aerial vehicle (UAV) includes a processor obtaining a datagram based on monitoring data for a UAV-detector communication between the UAV and one or more detectors. The monitoring data indicates at least one of a location of the UAV or a location of a control station in communication with the UAV. The method further includes determining a risk level by retrieving pre-stored risk information associated with the UAV based on the datagram.

Abstract: A method for monitoring an unmanned aerial vehicle (UAV) includes a processor generating a datagram based on monitoring data for a UAV-detector communication between the UAV and one or more detectors. The monitoring data indicates at least one of a location of the UAV or a location of a control station in communication with the UAV. The method further includes the processor encrypting working data for a UAV-control station communication between the UAV and the control station using an encryption key known to the control station but now known to the one or more detectors, and a transmitter transmitting the datagram along with encrypted working data. The datagram is to be received by the one or more detectors and the encrypted working data is to be received and deciphered by the control station using the encryption key.

Abstract: A printing consumable, an ink cartridge, and an ink cartridge reforming method are provided in the present disclosure. A printing consumable includes a first nozzle circuit, configured to feed back a first signal in response to a detection signal transmitted by a printer; and includes a second nozzle circuit, configured to not respond to the detection signal transmitted by the printer or configured to feed back a second signal different from the first signal in response to the detection signal, where the first nozzle circuit includes a nozzle circuit that has not been reformed and the second nozzle circuit includes a nozzle circuit that has been reformed. The second nozzle circuit includes a first circuit and a second circuit which includes a first conversion circuit and/or a second conversion circuit.

Abstract: The present disclosure provides a two-dimensional scalable superconducting qubit structure and a method for controlling a cavity mode thereof. The two-dimensional scalable superconducting qubit structure includes: a superconducting qubit chip comprising a plurality of two-dimensionally distributed and scalable qubits; a capacitor part of each of the qubits has at least five arms distributed two-dimensionally, two of the at least five arms in each qubit are respectively connected with a read coupling circuit and a control circuit, and the other at least three arms are coupled with adjacent qubits through a coupling cavity.

Abstract: A method for regulating an unmanned aerial vehicle (UAV) includes receiving a UAV identifier and one or more types of contextual information broadcasted by the UAV. The UAV identifier uniquely identifies the UAV from other UAVs. The one or more types of contextual information includes at least geographical information of the UAV. The method further includes authenticating, via an authentication device, an identity of the UAV based on the UAV identifier to determine whether the UAV is authorized for operation, and transmitting a signal to a remote device in response to determining whether the UAV is authorized for operation.

Abstract: A location of an unmanned aerial vehicle (UAV) is collected while the UAV is flying along a flight path. A communication signal distribution in a proximity of the location is determined. One or more relay locations for arranging one or more relays are determined based on the communication signal distribution to improve communication coverage along the flight path. An identification of the UAV is transmitted to an authentication center for authentication, without using the one or more relays, in response to determining, based on the communication signal distribution, that the UAV is capable of directly communicating with the authentication center or a communication network associated with the authentication center above a quality threshold.

Abstract: Systems and methods for UAV safety are provided. An authentication system may be used to confirm UAV and/or user identity and provide secured communications between users and UAVs. The UAVs may operate in accordance with a set of flight regulations. The set of flight regulations may be associated with a geo-fencing device in the vicinity of the UAV.

Abstract: A system for controlling an unmanned aerial vehicle (UAV) includes smart glasses configured to establish a first channel directly with the UAV, receive first person view (FPV) image data directly from the UAV through the first channel, and display the FPV image data, a remote control configured to establish a second channel directly with the UAV and send a first flight control instruction corresponding to the FPV image data directly to the UAV through the second channel, and establish a fourth channel directly with the mobile terminal, and a mobile terminal configured to display the FPV image data received from the UAV and forwarded by the remote control.

Abstract: In embodiments of the present disclosure, there is provided an assertion-based question answering manner. After a question and the related passage are obtained, an assertion answer to the question is determined based on content of the passage, and the assertion answer has a predetermined structure and represents a complete semantic meaning. Then, the assertion answer to the question may be outputted to the user. In the embodiments of the present disclosure, the question and the relevant passage are used as input, and a semi-structured assertion answer is output. The assertion answer according to embodiments of the present disclosure can provide richer semantic content than the traditional short answer, and provide a more concise expression than the traditional long answer, thereby ensuring accuracy of the answer while improving the user experience.

Abstract: A system for controlling an unmanned aerial vehicle (UAV) includes smart glasses and a remote controller. The smart glasses are configured to establish a first channel directly with the UAV, receive first person view (FPV) image data directly from the UAV through the first channel, and display the FPV image data. The remote controller is configured to establish a second channel directly with the UAV, and send a flight control instruction directly to the UAV through the second channel.