Abstract: Embodiments of the present invention disclose an optical signal compensation device, where, a nonlinear compensation module in the optical signal compensation device adopts a new nonlinear compensation algorithm to perform nonlinear compensation on an optical signal, and during the process of performing the nonlinear compensation, it is no longer required to look up a table. Technical solutions provided in the embodiments of the present invention can effectively increase the processing speed of the nonlinear compensation, thereby reducing the overall processing delay of an optical signal compensation system.

Abstract: Embodiments of the present invention disclose a method, an apparatus, and a system for searching and selecting a network, relate to the field of radio transmission, and can reduce the execution time and cost for searching and selecting a network. The method according to the present invention includes: acquiring information about a current location of a terminal and radio network information about the location; if it is obtained that multiple radio networks exist at the current location of the terminal according to the radio network information about the location, selecting a network among all radio networks that exist at the current location of the terminal according to a preset network selection rule; and camping on the selected radio network. The present invention is applicable to network search and selection.

Abstract: The present invention discloses a method and a device for detecting a signal power, and belongs to the field of communications. The method includes: when a receiver converts a received receive signal and outputs an output signal, separating a direct current signal and an alternating current signal from the output signal; converting the direct current signal into a first analog voltage signal; converting the alternating current signal into a second analog voltage signal through a transimpedance amplifier TIA; and obtaining a power of the receive signal according to the first analog voltage signal and the second analog voltage signal. The device includes: a first separating module, a first converting module, and an obtaining module. The present invention can improve accuracy of detecting a signal power.

Abstract: Embodiments of the present invention relate to a method and a device for updating a port index in a multi-device system, and a multi-device system. The method includes: detecting whether a device ID of a device is changed in a multi-device system, where the detecting is performed by comparing device IDs of each device in the multi-device system before and after the detection; and for a device whose device ID is changed in the system, updating a port index of the device according to the device ID after the change, where the port index is used to acquire configuration data of the port. The embodiments of the present invention solve the problem of failing to find correct port configuration data by using the port index because the device ID is changed.

Abstract: Embodiments of the present disclosure provide a method and a device for storing and sending a MAC address entry, and a system. The method includes: sending, by a PE, a first packet to an RR, so that the RR determines a MAC address entry required by the PE according to the first packet, where the RR pre-stores a MAC address table, and the MAC address table includes the required MAC address entry; and receiving, by the PE, a packet which includes the required MAC address entry and is sent by the RR, and storing the required MAC address entry. Through the embodiments of the present disclosure, it may be implemented that the PE stores the MAC address entry according to need.

Abstract: The present invention provides an optical path coupling device. The device includes a light beam collimating element and a light beam concentrating element. The light beam collimating element includes a first focus, a first optical axis and a light concentrating surface; the light concentrating surface receives incident light emitted from a position of a first focus and collimates the incident light into collimated light beams which are transmitted along the first optical axis. The light beam concentrating element includes a second focus, a second optical axis and a reflective concave surface; the second optical axis is disposed in parallel with and at a preset distance away from the first optical axis; the reflective concave surface is disposed obliquely relative to the first optical axis, and the reflective concave surface receives the collimated light beams and reflects and concentrates the collimated light beams to a position of the second focus.

Abstract: Embodiments of the present invention provide a method, device and system for identifying and sending a radio frequency signal. The method for identifying a radio frequency identification label includes: sending a control signal to a radio frequency signal sending device, so that the radio frequency signal sending device sends a radio frequency signal according to the control signal, the radio frequency signal at least carrying identity identification information; and receiving the radio frequency signal sent by the radio frequency signal sending device, and acquiring the identity identification information in the radio frequency signal. The method for identifying the RFID label, and the method, device and system for sending the radio frequency signal provided in the embodiments of the present invention increase the identification effect on the RFID label.

Abstract: Embodiments of the present invention disclose a method, an apparatus and a system for processing a tunnel packet. When a tunnel ingress device performs tunnel encapsulation on a data packet, a dynamic identifier is included in an encapsulated packet header, so that each tunnel-encapsulated data packet has a different triplet. In this way, when the tunnel-encapsulated data packet is fragmented, a tunnel egress device may correctly reassemble the tunnel-encapsulated data packet according to the triplet of the fragmented packet.

Abstract: The present invention provides a method and a server for sending and lending digital service content. The method for sending digital service content includes: receiving, by a server, a user request, in which the user request carries a user identifier and a label of the digital service content; determining a type of the label; if the label is a lending label of the digital service content, acquiring a borrower identifier in the lending label; and determining whether the user identifier is the same as the borrower identifier; if the user identifier is the same as the borrower identifier, acquiring a lending period matching the borrower identifier in the lending label, and determining whether the digital service content is in the lending period; if yes, sending the digital service content to a terminal used by a user and identified by the user identifier.

Abstract: The present invention is applicable to the technical field of heat-radiation structures and discloses a flow-guiding apparatus and an electronic device including the flow-guiding apparatus. The flow-guiding apparatus includes a support and flow-guiding members for guiding an air flow generated by an axial fan to a directed area, where the flow-guiding members are connected to the support, at least two flow-guiding members are arranged and are located on both sides of a hub of the axial fan or around the hub of the axial fan, and the flow-guiding members tilt toward the hub of the axial fan along an air-blowing direction of the axial fan. The electronic device includes a chassis, where the chassis is provided with an air vent, an axial fan is arranged at the air vent, and an air outlet of the axial fan is arranged with a flow-guiding apparatus mentioned above.

Abstract: Embodiments of the present invention provide a method for receiving application data, where the method includes: receiving, by a client, application signaling, where the application signaling includes visibility setting, a receiving condition, and an access path of application data, and visibility of the application data is set to invisible; judging whether the client satisfies the receiving condition of the application data; and if the client satisfies the receiving condition of the application data, receiving the application data according to the access path of the application data. With the technical solutions provided in the embodiments of the present invention, a demand that an operator directionally sends application data to a specific user can be satisfied, and a defect that directional sending of application data fails to be implemented according to existing HBBTV specifications can be overcome.

Abstract: MDCT or FFT-based audio coding algorithms often have the problem named here spectral pre-echoes when coding an energy attack signal. This invention presents several possibilities to avoid the spectral pre-echoes existing in decoded signal segment before the energy attack point. The spectral envelope before the attack point can be improved by performing spectrum smoothing, replacing the segment of having spectral pre-echoes or filtering the segment with a combined filter obtained by doing LPC analysis.

Abstract: MDCT or FFT-based audio coding algorithms often have the problem named here spectral pre-echoes when coding an energy attack signal. This invention presents several possibilities to avoid the spectral pre-echoes existing in decoded signal segment before the energy attack point. The spectral envelope before the attack point can be improved by performing spectrum smoothing, replacing the segment of having spectral pre-echoes or filtering the segment with a combined filter obtained by doing LPC analysis.

Abstract: The present application provides a packet processing method, device and system. With the present application, timely processing can be performed on a received packet according to an added first flow table entry, so that the timely processing can be implemented for a flow whose importance is high, and the problem in the prior art that a forwarding device cannot add a new flow table entry to a flow table because all flow table entry resources are in use can be relieved, thereby improving the reliability of packet processing.

Abstract: A method for providing a local traffic shortcut (LTS) in a packet-oriented mobile communication network comprising the steps of: providing a network node with traffic instance identification data (TIID) wherein the network node stores the TIID with a node ID of the network node as an entry in an LTS-database; querying by the network node the LTS-database of the network for entries comprising the same TIID to identify at least one network node for performing a local traffic shortcut (LTS); and establishing an LTS-tunnel with the identified network node.

Abstract: A method, a system and a device for call processing are disclosed in the embodiments of the present invention. The method includes: obtaining, by a call initiator, address information of all or part of call managers in a network domain that processes a call, where the all or part of the call managers include a call manager that processes the call and is adjacent to the call initiator; sending, by the call initiator, a first call creating request message to an adjacent call manager according to the address information of the all or part of the call managers; and receiving, by the call initiator, a first call creating response message from the adjacent call manager. In the case that a service at a client side is required to be sent through multiple networks at a server side, inter-domain link selection and admission control may be implemented through section call processing.

Abstract: Embodiments of the present invention disclose an image rotation control method and device. The method includes: reading image blocks of a first image from a first buffer according to a rotation angle, where the first image is in a first image format; writing the read image blocks into a preset second buffer; and reading image data from the second buffer according to a second image format, so as to obtain a rotated second image.

Abstract: An embodiment of the present invention discloses a method for quickly responding to a signal, where the method includes: generating a frame synchronization signal; pre-reading image data, and saving the image data after processing the image data; and receiving a TE signal, and outputting the processed image data according to the TE signal. An embodiment of the present invention further discloses an apparatus for quickly responding to a signal. Using the present invention may improve a rate for responding to a signal and reduce an instantaneous bandwidth pressure on a transmission line.

Abstract: A chip control method, The method includes: acquiring a required frequency of the chip; detecting a current temperature of the chip, and determining a temperature range [Tm, Tm+1] to which the current temperature belongs, where T indicates a temperature, and m is a natural number; determining, through comparison according to ascending order of sorting the n voltage ranks, whether a frequency at which the chip can work at each temperature point of an analytical temperature range in an ith voltage rank is higher than the required frequency, where the analytical temperature range has a margin ? relative to the temperature range [Tm, Tm+1], ??0, and i=0, 1, . . . , n?1; and if yes, using the ith voltage rank as a working voltage of the chip, and using the required frequency as a working frequency of the chip.

Abstract: Embodiments of the present invention disclose a data processing method and apparatus. The method includes: first receiving an operation command, then searching, according to a memory address, a Cache memory in a Cache controller for data to be operated, and storing the operation command in a missed command buffer area in the Cache controller when the data to be operated is not found through searching in the Cache memory; then, storing data sent by an external memory in a data buffer area of the Cache controller after sending a read command to the external memory, and finally processing, according to a missed command, the data acquired from the external memory and the data carried in the missed command. The present invention applies to the field of computer systems.