Abstract: A method and device for controlling Virtual Reality (VR) helmet are provided. The method includes detecting a touch action on a touch control panel; generating a control instruction corresponding to the touch action, the touch action being a sliding operation along a predetermined direction on the touch control panel; sending the control instruction to the VR equipment; detecting attributes and arrangements of all operation objects in a current display interface; when the row number and the column number of all the arranged operation objects are both larger than 1, controlling a switching selection to be performed among the operation objects based on the attributes of the operation objects; and when the row number or the column number of all the arranged operation objects is 1, controlling the switching selection to be performed among the operation objects based on an arrangement direction of the operation objects.

Abstract: Embodiments of the present invention provide a reconfigurable optical add/drop multiplexer, including: an input component, an output component, a beamsplitter, a first switch array, a wavelength dispersion system, a redirection system, and a second switch array. The input component includes M+P input ports, the output component includes N output ports, the beamsplitter is configured to: receive M input beams from M input ports, and split each of the M input beams into at least N parts, to obtain at least M×N beams; the first switch array includes at least P switch units; and the second switch array includes N rows of switch units. The first switch array, the beamsplitter, the wavelength dispersion system, the redirection system, and the second switch array are arranged so that P optical add beams and sub-beams of M×N beams in the at least M×N beams can be routed to the N output ports.

Abstract: The present disclosure relates to a method, a device and a terminal for processing live shows. The method includes acquiring selection information of a plurality of live shows from a user, the selection information including, identifiers of at least two of the plurality of live shows; identifying each respective live show of the plurality of live shows that correspond to each respective one of the identifiers; and incorporating each one of the plurality of live shows in a same Virtual Reality (VR) scene.

Abstract: A wavelength selective switch (WSS), including an input optical fiber collimation array, a first optical switching engine, a dispersion device, an optical path converter, a second optical switching engine, a third optical switching engine, and an output optical fiber collimation array. A first beam is input from a first port of the input optical fiber collimation array. The first optical switching engine performs angle deflection on the first beam on a first plane. The dispersion device demultiplexes, on a second plane, the angle-deflected first beam into multiple sub-wavelength beams. The second optical switching engine performs angle deflection on the multiple sub-wavelength beams that are obtained by demultiplexing. The dispersion device multiplexes, on the second plane, the angle-deflected multiple sub-wavelength beams. The third optical switching engine performs angle deflection on the multiplexed multiple sub-wavelength beams on the first plane.

Abstract: An unlock processing method for a terminal, includes: receiving an input unlocking instruction from a user; determining whether the user belongs to a preset user group according to the unlocking instruction; and acquiring and storing information regarding the user, if it is determined that the user does not belong to the preset user group.

Abstract: A transmitter includes a pilot loading apparatus, an optical modulator, and a pilot locking apparatus. The pilot locking apparatus is configured to determine a pilot operating point that is currently on a response curve and that is of the optical modulator, and a target initial amplitude of an electrical pilot signal. The pilot locking apparatus is further configured to control the pilot loading apparatus to adjust an initial amplitude of the electrical pilot signal to the target initial amplitude.

Abstract: A method, a VR equipment, and a device are provided for identifying an object in Virtual Reality (VR) communication. The method includes: action direction information of an action performed by a user is acquired, which represents an indicated direction; a target scene object corresponding to the indicated direction is determined according to the action direction information and scene position information which represents positions of respective scene objects in a VR scene where the user is located; and a speech of the user is identified as a speech of the user to the target scene object.

Abstract: A method and playback device for controlling a working state of a mobile terminal, and a storage medium are provided. The mobile terminal is communicated with a playback device, and the playback device includes a sensor, a detector and a transmitter. The method includes: determining, by the sensor, that a current state of the playback device is in an inactive state; detecting, by the detector, whether the mobile terminal is in a working state; and sending, by the transmitter, to the mobile terminal an instruction for instructing the mobile terminal to shift into a standby state when the mobile terminal is in the working state.

Abstract: Embodiments of the present invention provide an optical communications apparatus, where the apparatus includes: an input system, a first optical switch array, and an output system, where the input system includes N input ports that are one-dimensionally arranged on a first plane, a first beam expander, a demultiplexer, and a first optical path changer; the first optical switch array includes N×K first optical switch units that are two-dimensionally arranged on a second plane, and the first optical switch units can rotate in a first axial line direction and a second axial line direction; and the output system includes a second optical path changer, a second beam expander, a second optical switch array, and M output ports that are two-dimensionally arranged.

Abstract: The present invention discloses a method and an apparatus for detecting an optical signal-to-noise ratio, a node device, and a network system. The method includes: receiving a detected optical signal carrying amplified spontaneous emission ASE noise; detecting a first alternating current component and a first direct current component of the detected optical signal; acquiring first modulation information of the detected optical signal; acquiring first correction information corresponding to the first modulation information according to the first modulation information; and determining an optical signal-to-noise ratio OSNR of the detected optical signal according to the first alternating current component, the first direct current component, and the first correction information.

Abstract: The disclosed embodiments provide a method, a server, and a terminal device for establishing a communication session. The method includes: receiving a communication session request sent from a first user via a terminal device; obtaining a communication session target for the first user, a second user, by matching for the first user; and sending an identifier of the second user to the terminal device to establish a communication session between the first user and the second user, wherein the identifier is used for the terminal device to distinguish the communication session target of the first user, and is hidden from the first user.

Abstract: Embodiments of the present invention provide an optical communications apparatus, where the apparatus includes: an input system, a first optical switch array, and an output system, where the input system includes N input ports that are one-dimensionally arranged on a first plane, a first beam expander, a demultiplexer, and a first optical path changer; the first optical switch array includes N×K first optical switch units that are two-dimensionally arranged on a second plane, and the first optical switch units can rotate in a first axial line direction and a second axial line direction; and the output system includes a second optical path changer, a second beam expander, a second optical switch array, and M output ports that are two-dimensionally arranged.

Abstract: A transmitter includes a pilot loading apparatus, an optical modulator, and a pilot locking apparatus. The pilot locking apparatus is configured to determine a pilot operating point that is currently on a response curve and that is of the optical modulator, and a target initial amplitude of an electrical pilot signal. The pilot locking apparatus is further configured to control the pilot loading apparatus to adjust an initial amplitude of the electrical pilot signal to the target initial amplitude.

Abstract: A method and an apparatus for pushing information are provided in an intelligent control technology field. In the method, the apparatus obtains a geographic position of at least one target user. The apparatus determines whether a positional relationship between a target user and a monitoring device satisfies a predetermined condition. If the predetermined condition is satisfied, the predetermined condition generates notification information according to monitoring information of the monitoring device; pushing the notification information to devices carried by all or some of the at least one target user. The present disclosure solves the problem of poor monitoring instantaneity and availability in the related art and informs the user of the monitoring information in a form of push notification timely, thus improving the monitoring instantaneity and availability.

Abstract: A method for locating a fault of a submarine cable, a device, and a communication system are provided. A light pulse output by a Repeater (RPT) is incident to a location of a fault as a probe light pulse. The RPT obtains a time difference between the probe light pulse and the reflected probe light pulse, and sends the time difference to a terrestrial Submarine Line Terminal Equipment (SLTE) so that the SLTE may easily locate the fault according to principles of an Optical Time Domain Reflector (OTDR). Compared with the prior art, the method may locate the fault of the submarine cable more quickly and accurately, so that maintainers may maintain the submarine cable in time.

Abstract: Embodiments of the present invention provide a method and an apparatus for equalizing link performance, and relate to the field of optical wavelength division multiplexing. In the present invention, target input power spectra and target output power spectra in all OMS sections in a network and single wave attenuation at a power adjusting point may be concurrently calculated based on link information of the OMS sections, fast adjustment may also be implemented for a complex network topology, and the adjustment may be implemented in a one-off manner to avoid a problem that iteration adjustment is caused by mutual impact of power adjusting points during serial adjustment in a ring network. In addition, it is not required to connect an optical path in the calculation phase, thereby eliminating reliance on a connected optical path in a process for equalizing link performance.

Abstract: The disclosed embodiments provide a method, a server, and a terminal device for establishing a communication session. The method includes: receiving a communication session request sent from a first user via a terminal device; obtaining a communication session target for the first user, a second user, by matching for the first user; and sending an identifier of the second user to the terminal device to establish a communication session between the first user and the second user, wherein the identifier is used for the terminal device to distinguish the communication session target of the first user, and is hidden from the first user.

Abstract: An unlock processing method for a terminal, includes: receiving an input unlocking instruction from a user; determining whether the user belongs to a preset user group according to the unlocking instruction; and acquiring and storing information regarding the user, if it is determined that the user does not belong to the preset user group.

Abstract: The present invention discloses a method and an apparatus for detecting an optical signal-to-noise ratio, a node device, and a network system. The method includes: receiving a detected optical signal carrying amplified spontaneous emission ASE noise; detecting a first alternating current component and a first direct current component of the detected optical signal; acquiring first modulation information of the detected optical signal; acquiring first correction information corresponding to the first modulation information according to the first modulation information; and determining an optical signal-to-noise ratio OSNR of the detected optical signal according to the first alternating current component, the first direct current component, and the first correction information.

Abstract: Embodiments of the present invention provide a method and an apparatus for equalizing link performance, and relate to the field of optical wavelength division multiplexing. In the present invention, target input power spectra and target output power spectra in all OMS sections in a network and single wave attenuation at a power adjusting point may be concurrently calculated based on link information of the OMS sections, fast adjustment may also be implemented for a complex network topology, and the adjustment may be implemented in a one-off manner to avoid a problem that iteration adjustment is caused by mutual impact of power adjusting points during serial adjustment in a ring network. In addition, it is not required to connect an optical path in the calculation phase, thereby eliminating reliance on a connected optical path in a process for equalizing link performance.