35 results about "Pair type" patented technology

A method of pairing users for an uplink multi-user multiple-input-multiple-output (MU-MIMO) system under coordinated multipoint transmission (CoMP) scenario in a communication system, which includes: selecting, by a first cell of the communication system, at least one initial user served by the cell as a first paired user; selecting, by the first cell, a candidate paired user according to the service type of the first paired user; and determining, from the different service types of the first paired user and the candidate paired user, a pairing type to be formed, and determining whether the candidate paired user and the first paired user can be paired into the pairing type to be formed by using a predetermined determination criterion according to the pairing type. It is further provided a device for performing the method. The throughput and communication efficiency of the communication system can be improved with the method and device for pairing users.

The present invention is contrived to adopt a differential pair type amplifier circuit comprising a differential pair constituted by a first transistor receiving an input of a first signal and by a second transistor receiving an input of a third signal generated by outputting a second signal of which the voltage level is a power supply voltage. Elements requiring a matching are two transistors constituting the differential pair for the amplifier circuit. Because of this, the elements requiring a matching can be placed close to each other regardless of a layout between the amplifier circuits.

The invention discloses a data transmission method. The data transmission method comprises the steps that the pairing type is automatically selected to carry out equipment pairing according to the current network quality; after pairing is successfully carried out, a corresponding wireless communication mode is automatically selected to transmit data according to the selected pairing type. Compared with the prior art, the data transmission method has the advantages that due to the facts that when the data are transmitted, the optimal pairing type can be automatically selected to carry out equipment pairing according to the current network quality, and the corresponding wireless communication mode can be selected to transmit the data after pairing is successfully carried out, the possible problems that when a user carries out manual selection, transmission quality of a wireless network is poor, and the transmission speed of the wireless network is low are solved, user operation is simplified, and user experience is improved.

A system for monitoring network traffic and resource usage in a data center. The system comprises a node comprising an input terminal for capturing network packets. The node comprises a processor for running a packet analyzer for analyzing the network packets classifying packets in request/response pairs per type based on deep packet inspection and storing the request/response pair types together with time stamps. The node comprises a memory configured for storing the request/response pairs. The system comprises a collector module configured for collecting the request/response pairs. The system comprises at least one server running a simple agent programmed for transferring resource usage. The system comprises a correlation module programmed for correlating the request/response pairs information with the resource usage.

A receiving apparatus is provided. The receiving apparatus includes a first receiver which receives a first signal through a radio frequency (RF) broadcast network, a second receiver which receives a second signal through an internet protocol (IP) communication network, and a signal processor which detects pair type information from at least one of the first signal and the second signal, selects pair information, corresponding to the pair type information, from among the pair information included in the at least one of the first signal and the second signal, and synchronizes the first signal and the second signal with each other according to the selected pair information. Accordingly, different signals are synchronized and output.

The invention discloses a vehicle transverse swinging stopping device, which comprises a lifting mechanism and a transverse swinging mechanism, wherein the lifting mechanism comprises a lifting power unit, screw mandrels, nuts screwed on the screw mandrel, two upper stay bars and two lower stay bars; the two upper stay bars and the two lower stay bars respectively take the screw mandrels and the nuts as movable pairs to form an upper plane four-bar mechanism and a lower plane four-bar mechanism; and the transverse swinging mechanism comprises a transverse swinging power unit and a transverse driving wheel. The vehicle transverse swinging stopping device adopts a movable pair type plane four-bar mechanism which is combined with a transverse driving wheel structure to complete lift and sideslip of the tail of a vehicle, is convenient to put straight the tail of the vehicle under the condition of parking, does not require arrangement of complex pipelines and lines, is simple and convenient to arrange, has low manufacturing cost and light weight, accords with the development trends of light weight, energy saving and emission reduction of the modern vehicle, and is suitable for parking of middle-size and small-size vehicles such as sedans, etc. in a narrow place.

A method for acquiring and analyzing polypeptide mass spectra comprising: creating first and second sets of fragmented ions using first and second fragmentation techniques; obtaining mass spectra of the first and second sets of fragmented ions; searching a database of fragments of a first fragment pair type and of a second fragment pair type to respectively provide a set of M ranked and a set of N ranked best matching polypeptide sequences; subtracting synthetic spectra corresponding to each of the M and N ranked sequences from the mass spectra to provide first and second sets of modified mass spectra; searching the database of fragments of the second fragment pair type and of the first fragment pair type to provide third and fourth sets of polypeptide sequences providing best matches to the first and second sets of modified spectra, respectively; and creating a cumulative ranking of the third and fourth sets.

An electromagnetic bolt-gear pair type shafting locking mechanism capable of capable of being controlled through programming comprises a micro controller part, a locking telescopic mechanism part and a locking gear shafting. The electromagnetic bolt shafting locking mechanism controls switch-on or switch-off of a relay through micro controller signals, switch-on or switch-off of an electromagnetic bolt coil connected to the relay in series is controlled, and therefore a coil magnetic field is controlled to finish the target that a bolt ejection shaft is ejected into and out of a locking gear groove, and finally the shafting locking and opening functions are achieved. The electromagnetic bolt-gear pair type shafting locking mechanism has the advantages of being compact in structure, capable of locking at any angle and automatic alignment, reliable in performance and the like, and the mechanism can be applied to a micro controller program algorism to control locking and unlocking of a mechanical shafting, and is suitable for a stable tracking platform system and other electromechanical systems with the shafting locking requirement.

The invention discloses a paired type observing ruler and gauge combined composite leveling instrument; the composite leveling instrument is provided with a column-shaped ruler body (1) and a level (6), wherein a leveling staff (2) and an observing unit (3) are fixed on the same column surface of the column-shaped ruler body (1); the leveling staff (2) is parallel to the axis of the column-shaped ruler body (1); the observing unit (3) can slide up and down; the observing unit (3) is provided with an opposite side height signal detector (4) and a home height signal detector (5), which are fixedly connected with each other; and a collimation axis of the opposite side height signal detector (4) is vertical to the axis of the column-shaped ruler body (1). Point-to-point direct leveling is truly realized; point selection and point arrangement are not limited by terrain environments; and leveling can be conveniently carried out in complicated geographic conditions, such as abrupt slopes, ditches, rivers, mountainous areas and so on.

The embodiment of the invention provides a method and device for detecting a hive data table, relates to the technical field of computers, and can quickly and accurately perform data uniqueness detection on the hive data table. The method for detecting the hive data table of the embodiment of the invention comprises the following steps: establishing a configuration file for the tested hive data table, wherein configuration information of the configuration file comprises a table name and a primary key; constructing a data file used for counting the occurrence number of the primary key in the hive data table, wherein the data file is the key-value pair type, the primary key of a data record of the hive data table is used as the key, and the occurrence number of the primary key of the hive data table is used as the value; updating the data file when monitoring that a new data record is inserted into the hive data table; and in the case where the data file has a value greater than 1, sending a first alarm message for reminding data duplication.

An aluminum hanging part pair type dry seal stone curtain wall system comprises columns, beams and stone plates. The beams are continuous sectional materials and are connected with the columns respectively through a connecting piece. Every beam is provided with a connecting part, an upper hook part and a lower hook part, wherein the outer side of the connecting part is fixedly connected with the connecting piece, the upper hook part and the lower hook part are located on one side of the connecting part and vertically arranged, the upper hook part is in hung connection with the stone plate above the beams through an upper hanging part, the lower hook part is in hung connection with the stone plate below the beams through a lower hanging part, horizontal sealing rubber strips with long tails are arranged between the upper hook part and the stone plate and between the lower hook part and the stone plate, and a drain hole is arranged at the position corresponding to a vertical slit between the lower hook part and the adjacent stone plate. Upper fixing parts and lower fixing parts respectively extend out upwards and downwards on the inner sides of the connecting parts of the beams, drainage grooves are arranged between vertical slits of the adjacent stone plates, openings of the drainage grooves are towards the outer portions of the stone plates, vertical sealing rubber strips are arranged between two ends of the opening of every drainage groove and the stone plates, and the bottoms of the drainage grooves are provided with silicon rubber sheets or drainage nozzles.

The invention discloses a dual-input gear pair type high-torque gearbox. The dual-input gear pair type high-torque gearbox comprises a box body. The box body is provided with a first gear and a second gear which are in engaged transmission. The second gear is connected with an input shaft. The box body is further provided with a first output shaft, a second output shaft, a first gap bridge shaft and a second gap bridge shaft. A first gear set is arranged on the first gap bridge shaft. A second gear set is arranged on the second gap bridge shaft. The first gear set and the second gear set are in engaged transmission through a third gear, and the third gear is coaxially connected with the first gear. The first gear set is in key connection with the first output shaft. The second gear set is in key connection with the second output shaft. According to the dual-input gear pair type high-torque gearbox, traditional single gear pair input is changed into dual gear pair input, a traditional way that one input force drives two output resistances is changed into the way that two input forces drive two output resistances, and superposition of input torques is achieved.

The invention discloses a high-gain operational amplifier using feedforward compensation, comprising a differential first gain stage, a gain bootstrap type folded cascode second gain stage and a differential pair type feedforward compensation circuit; wherein the differential first gain stage and the gain bootstrap type folded cascode second gain stage are connected in series, and meanwhile the differential pair type feedforward compensation circuit is connected with the first and second gain stages in parallel. The feedforward compensation circuit adopts a differential pair type compensationcircuit, which is simple in structure, is easy to implement, and replaces the traditional compensation capacitor form, so that the chip area can be reduced, the feedforward compensation circuit is easy to be integrated, on the other hand, the feedforward compensation circuit replaces the traditional pole separation miller compensation technology to ensure circuit stability and to greatly increasethe bandwidth of the system at the same time; and the second gain stage adopts an error amplifier of a gain bootstrap type folded cascode structure, which can have a better power supply rejection ratio than the traditional differential circuit while meeting high gain, and a main pole is from a secondary pole due to the increase of the output resistance, so that the circuit is more stable.