34results about How to "Implement multiplexing" patented technology

The invention discloses a multiplexing method based on transmission control protocol (TCP) connection. The method is implemented by multiplexing a channel between a proxy server and a server through a plurality of clients. A Client tries to communicate with the server, a SOCKET connecting request is required to be established between the Client and the proxy server, a TCP connection pool management program is installed in the proxy server, a unique ID is distributed to the Client after the connection request is legal, the ID and the SOCKET are used as a key value pair and stored in a forwarding table, the communication request of the Client is agreed, the distributed ID is carried back, and equivalently, a virtual channel for bidirectional communication is established between the Client and the Server. By the method, the frequency of creating and destroying the SOCKET in the server is reduced, and the resources of the server are saved. Meanwhile, multiplexing is realized by establishing the virtual channel between the server and numerous clients.

The invention discloses a system for measuring the disturbance based on the POTDR, and the system employs a method which comprises the following steps: dividing a detection pulse into two cross-polarization components with the same energy through introducing a polarization beam splitter and a polarization beam combiner, combining the cross-polarization components together through small time delay, and enabling the combined detection pulse light to be transmitted to a polarization analyzer through a circulator and a connection optical fiber, wherein the polarization analyzer is disposed at the front end of a sensing optical fiber, the detection pulse passes through the polarization analyzer to enter the optical fiber, the backward rayleigh scattered light of the optical fiber enters an avalanche detector through the circulator, and the polarization signal along the optical fiber is sensed through signal analysis. The system achieves the simultaneous measurement of the disturbance in multiple optical fibers through the introduction of a coupler and connection optical fibers with different lengths. The invention also discloses a disturbance measurement method based on the POTDR, and the system and method eliminate the impact on the sensing and detection from the unrelated disturbance on the connection optical fibers between a POTDR system and sensing optical fibers, and are strong in anti-interference capability. The system can achieve the simultaneous detection of the disturbance of a plurality of independent regions through multiplexing.

The invention relates to a polarization modulation current sensing method and apparatus based on Faraday Effect which is used in electricity measurement with high voltage and high current. The method is based on Faraday light polarization rotating effect, which rotates the multi-loop fiber optical inside the fiber optical chamber with multi-loop fiber optical ring on the wire or cable of the tested current so that a linearly-polarized light can through the fiber optical chamber and reflects many times; it changes the light wave of the single polarization side rotating angle into a superposition of a plurality of light wave of different polarization side rotating angle; the superposition light wave has special polarization which has the respondent relation with the current intensity of the multi-loop fiber optical ring.

The invention relates to multiplexing demodulation equipment based on long-cycle fiber grating reflective sensors.The multiple long-cycle fiber grating reflective sensors are provided with different optical path differences; a broadband light source is connected with the first port of a three-port circulator, the second port of the three-port circulator is connected with an optical fiber connected with the multiple long-cycle fiber grating reflective sensors in series, and the third port is connected with the input end of a first optical fiber coupler; an output end of the first optical fiber coupler is connected with the input end of a polarization controller, and the other output end of the first optical fiber coupler is connected with the input end of an electric adjustable delay line; the output end of the polarization controller and the output end of the electric adjustable delay line are connected with two input ends of a second optical fiber coupler; the output end of the second optical fiber coupler is connected with the input end of a photoelectric detector, and the output end of the photoelectric detector is connected with a data acquisition card.By means of the multiplexing demodulation equipment, system spatial resolution is high, the reusable number is large, and cost is low.

The invention provides a reliable data transmission system based on multi-channel fusion, the system comprises a source end and a destination end, and the source end comprises a channel link monitoring device, a channel multiplexing device, a channel fusion subpackaging device and a channel fusion confirmation device; the destination end comprises a channel fusion response device; Wherein the channel link monitoring device detects whether the communication state of a first channel is abnormal or not; If the first channel is abnormal, the channel multiplexing device selects a second channel tocontinue to transmit data, and the channel fusion subpackaging device performs subpackaging operation on the data to perform data transmission; After the source end sends data through the second channel, the channel fusion response device of the destination end receives and feeds back the data; And the channel fusion confirmation device confirms a data transmission result according to the feedback. According to the invention, a multi-channel transmission mechanism is optimized in real time, the real-time performance of data transmission in a multi-channel network is improved, and the reliability of data transmission is improved.

The invention discloses a special working robot multi-dimensional force sensor. The sensor includes a base, an elastic body, a sealing cover and an upper flange which are sequentially connected from up to down, wherein a lower end of the elastic body is provided with a collection circuit board, the collection circuit board is fixedly connected with the base, the elastic body includes a center table, radial beams are arranged circumferentially around the center table, outer sides of the radial beams are provided with peripheral beams, end portions of the peripheral beams are connected with peripheral supports, the peripheral beams and the peripheral supports are connected in an annular mode, outer sides of the peripheral beams are provided with arc grooves, so stress is concentrated at twosides of the arc grooves, and the radial beams are respectively provided with a sensing element used for measuring the force and the torque of the elastic body.

The invention relates to the technical field of wireless communication, in particular to a user adaptive access method and device for realizing large-scale URLLC, and the method comprises the steps: carrying out user grouping of a plurality of users with URLLC demands in a power domain according to the distance from an access point, and obtaining a plurality of NOMA groups; performing channel estimation by using a least square channel estimation method, and obtaining a detection signal of each user of each NOMA group; and calculating a corresponding posterior signal-to-noise ratio based on the detection signal of each user, calculating an error probability corresponding to the user according to the posterior signal-to-noise ratio, and continuing allocation according to the number of dynamically allocated available channels of the current group under the condition that the error probability is smaller than a preset threshold so as to realize user adaptive access of the URLLC. Therefore, multiplexing of a large number of users can be realized, interference among the users is reduced, and high-quality communication of the large number of users is ensured.

The invention discloses a data packet dividing and fusing method and system based on multi-channel converged communication, and the method comprises the steps: building a packet dividing mechanism according to the ratio of bandwidths of a plurality of channels for converged communication; according to the bandwidth of the current communication channel and the sub-packaging mechanism, sub-packagingthe sent data; and carrying out packet fusion operation on the sub-packet data according to the identification codes of the sequential codes in the sending messages obtained through the sub-packets.The system comprises a source end and a destination end, and the source end comprises a link monitoring device, a fusion subpackaging device, a multiplexing device and a fusion confirmation device; The destination end comprises a channel fusion response device. According to the invention, message conversion among multiple channels can be flexibly carried out; A multi-channel transmission mechanismis optimized in real time, the real-time performance of data transmission in a multi-channel network is improved, and the reliability of data transmission is improved.

A lateral flow device for use in a mainframe or point-of-care clinical analyzer, in which the lateral flow device includes a planar support having at least one sample addition area and at least one reaction area disposed thereon. The sample addition area and reaction area are fluidly interconnected to one another and form at least one lateral fluid flow path. The lateral flow device is sized for retention within a storage cartridge of the analyzer defined by a hollow interior and having a plurality of lateral flow assay devices retained in stacked relation therein.

The invention relates to a low-delay reliable transmission method of multi-market market quotation data in a wide area network, which is characterized in that an LDDS protocol is arranged on the upperlayer of a UDP/TCP protocol, comprises product categories and is used for distinguishing different market quotation data; the message sequence number is used for the receiving service to judge whether packet loss or disorder occurs; the message type is used for standardizing whether the current message data belongs to retransmission or real-time market data; the publishing service directly performs UDP multicast to the retransmission service and each receiving service; the retransmission service is arranged at the downstream of the release service, the real-time market is cached quickly, andthe retransmission service and the release service are deployed in the same local area network; TCP long connection is established between the receiving service and the retransmission service, when packet loss occurs in the multicast quotation, accurate supplement is achieved through the retransmission service, multiplexing of multi-market quotation data in the transmission process is achieved bydesigning an LDDS protocol layer and increasing product category definition, and for the situation that the quotation data has wave crests and wave troughs and the convergence of multicast packet loss, an intelligent compensation mechanism is added, so that the processing performance is further improved, and the transmission delay is reduced.

The invention discloses a temperature regulating device used for a handle and a regulating method thereof. The temperature regulating device comprises a temperature sensor array and a controller, wherein the temperature sensor array is arranged on a hollow handle; the interior of the hollow handle is provided with a heating plate and a refrigerant plate; a protective cover is arranged at one end of the hollow handle; the protective cover is internally provided with a fan; and the heating plate, the refrigerant plate, the temperature sensor array and the fan are connected with the controller through a control circuit respectively. The temperature regulating device solves the defects that the temperature of a palm is seriously influenced by the environment when the handle is grasped by a user in the prior art and cannot be maintained in a comfortable range and the hand comfort of the user is influenced.