50results about How to "Stable match" patented technology

The invention relates to a real-time athletic estimating method based on a multiple dimensioned unchanged characteristic, which comprises the steps: (1) a gauss scale space is constructed and a local characteristic point is extracted; (2) a characteristic descriptor of the polar distribution of a rectangular window is constructed; (3) the characteristic point is used for matching and establishing an interframe motion model; and (4) the offset of a current frame output position which corresponds to a window center is calculated. The athletic estimating method has a size, visual angle and rotation adaptive characteristic, can accurately match images with complicated athletic relation, such as translation, rotation, dimension, a certain visual angle change, and the like and has higher real-time performance. The estimating method has better robustness for common phenomena, such as mistiness, noise, and the like in a video, has higher estimated accuracy for arbitrary ruleless complicated athletic parameters and is combined with a motion compensating method based on motion state identification, thus, the image stabilizing requirement of a video image sequence which can be arbitrarily and randomly shot under complex environment can be realized, and the purposes of real-time output and video stabilization can be achieved.

A terminal for generating an electromagnetic field, including an oscillating circuit capable of receiving a high-frequency A.C. excitation voltage via an amplifier and a directional coupler, the oscillating circuit having at least one element of variable capacitance, and circuitry for modifying the value of this capacitance according to the amplitude of a signal extracted from the coupler.

The invention relates to the field of lithium batteries, and discloses a lithium-ion battery pack easy to install. The lithium-ion battery pack is characterized by comprising a battery cell body and a housing, wherein the housing is packaged outside the battery cell body. The battery cell body is packaged in a side shell, and a bottom plate is packaged at the bottom of the side shell. A top plastic piece is fixedly arranged at the top of the side shell, and the rear cover plate of the plastic piece is packaged at the side opening part of the top plastic piece. Each top pillar of the top plastic piece is inserted into each hole position of the side shell, and the bottom edge of the top plastic piece is jointed with the top edge of the side shell. An output interface piece and an input interface piece are arranged on the top plastic piece and on the inner side of the side face, directly facing the side opening part of the top plastic piece, and the output interface piece and the input interface piece are fixedly arranged on a switching plate through circuits respectively. The switching plate is electrically connected with the input circuit and the output circuit of the battery cell body respectively. Each top pillar of the rear cover plate of the plastic piece is inserted into each hole part of the top plastic piece, and the rear cover plate of the plastic piece is packaged at the side opening part of the top plastic piece.

The invention discloses a giant magneto-resistance sensor differential drive and magnetic field bias circuit and a bias method. The circuit comprises two operational amplifiers; input power passes through a power reference module and is then inputted to one negative electrode and one positive electrode of the two operational amplifiers respectively to enable the two operational amplifiers to generate stable and amplified positive and negative voltage, and the two operational amplifiers are connected with the positive power end and the negative power end of the giant magneto-resistance sensor respectively to serve as drive voltage of a giant magneto-resistance chip; and output of one operational amplifier passes through a diode, an adjustable resistor and a decoupling capacitor at the same time to be connected to one end of a coil, and the other end of the coil is grounded. Through adjusting the adjustable resistor, current passing through the coil is changed, and a changeable bias magnetic field is thus generated.

A terminal for generating an electromagnetic field, including an oscillating circuit capable of receiving a high-frequency A.C. excitation voltage via an amplifier and a directional coupler, the oscillating circuit having at least one element of variable capacitance, and circuitry for modifying the value of this capacitance according to the amplitude of a signal extracted from the coupler.

The invention particularly relates to a novel combined cutter bar. The novel combined cutter bar comprises a heat-shrinkable cutter bar body, a cutter, a cutter holder and a sleeve; one end of the heat-shrinkable cutter bar body is provided with a first tapered surface, the other end of the heat-shrinkable cutter bar body is provided with a second tapered surface, and the heat-shrinkable cutter bar body is internally provided with a through hole; one end of the cutter is inserted into the through hole, and the other end of the cutter stretches out of the through hole; the cutter holder is internally provided with a first tapered hole matched with the first tapered surface; the sleeve is internally provided with a second tapered hole matched with the second tapered surface; the sleeve and the cutter holder are detachably connected to make the inner wall of the first tapered hole fit the first tapered surface and the inner wall of the second tapered hole fit the second tapered surface. The first tapered hole fits the first tapered surface and the second tapered hole fits the second tapered surface, so that the whole heat-shrinkable cutter bar body is fastened, the performance of thecombination surface is improved, matching of the components is more stable, and the rigidity of a cutter system is improved. Moreover, the cutter holder and the sleeve are detachably connected, the heat-shrinkable cutter bar body can be taken out simply by disassembling the sleeve, and convenience is provided for the assembly and disassembly of the heat-shrinkable cutter bar body or even the replacement of the cutter.

The invention relates to a universal air conditioner remote controller and a remote control code matching method thereof. After an air conditioner brand matching mode of a remote controller is activated, voice information correspondingly matched with an air conditioner brand is collected through the microphone of the remote controller, then the voice information is processed through a voice moduleand then paired with a code pre-stored in the remote controller, and after pairing succeeds, a remote control code corresponding to the air conditioner brand is called to serve as a current remote control code, so that remote control code matching setting is completed. The brand matching speed and the operation convenience degree of the remote controller and the air conditioner are effectively improved, and meanwhile, the standby time is relatively long; and the interactivity of the remote controller and the user experience are effectively improved.

The invention belongs to the technical field of circuit board storage equipment, and particularly relates to a circuit board storage device. The circuit board storage device comprises a bottom plate, a top plate, a left plate, a right plate, a sliding way, a first inserting plate, sliding grooves, a second inserting plate, sliding blocks, buckles, inserting grooves, telescopic columns, grooves and a rubber cushion plate. The left side of the bottom plate and the left side of the top plate are fixedly connected through the left plate. The right side of the bottom plate and the right side of the top plate are fixedly connected through the right plate. The sliding way is arranged on the left side of the left plate. The first inserting plate is arranged on the right side of the left plate. The two sliding grooves are formed in the upper side of the bottom plate. The two sliding grooves are correspondingly formed in the lower side of the top plate. The second inserting plate is arranged between the bottom plate and the top plate. The second inserting plate is arranged in the corresponding sliding grooves through the sliding blocks. The circuit board storage device is wide in application range and many in functional kind.

The present invention relates to a fixing device of an anti-theft signal connector. The fixing device includes a connection seat, a container and a positioning plug. The connection seat is an axial metallic pipe. The connection seat includes a positioning plate which is located in a rear section of the connection seat and integrally formed with the connection seat. The container is axially disposed in a front section of the connection seat. The container has a receiving trough therein facing the positioning plate. The receiving trough is adapted to receive a resistance and a capacitor which are connected in series. The positioning plug is disposed in the front section of the connection seat, so that the container is positioned between the positioning plate and the positioning plug. Thereby, the positioning plate is integrally formed with the connection seat for the resistance and the capacitor received in the container to be steady fixed between the connection seat and the positioning plug. The resistance and the capacitor won't cause signal loss under static electricity.

The invention provides an inertial vision integrated navigation positioning method based on different-source image matching and an aircraft, and the method comprises the following steps: respectively carrying out orthoimage correction on a real-time image and a reference image, and unifying the scaling sizes of the real-time image and the reference image; respectively obtaining a first projection and a quantized gradient direction histogram of the real-time image and a second projection and a quantized gradient direction histogram of the reference image; detecting the similarity between the first projection and the quantized gradient direction histogram and between the second projection and the quantized gradient direction histogram, and taking the position of the maximum Hamming distance between the second projection and the first projection and the quantized gradient direction histogram as the image matching position of the real-time image in the reference image; and converting the image matching position to the position of the unmanned aerial vehicle as an observed quantity, and constructing a Kalman filter based on the observed quantity to realize inertial vision integrated navigation positioning of the unmanned aerial vehicle. By applying the technical scheme of the invention, the technical problem that accurate and stable matching between different-source images is difficult to realize in the prior art is solved.

The invention discloses a spectrum leasing method for a cognitive radio network. The method comprises the steps of modeling a spectrum leasing problem between primary users and secondary users throughutilization of a Stackelberg game; carrying out computing to obtain the optimum spectrum allocation factors under a condition that spectrum leasing prices of the primary users are not changed, and carrying out computing according to the optimum spectrum allocation factors, thereby obtaining the optimum spectrum leasing prices; obtaining a revenue function of each primary user according to the optimum spectrum allocation factors and the optimum spectrum leasing prices, and establishing preference lists of the primary users according to the revenue functions of the primary users; and pairing the master users and the secondary users according to the preference lists of the primary users, thereby obtaining the optimum spectrum leasing matching results. Interaction and user preference in investment and pricing decision aspects of the primary users and the secondary users are taken into consideration, so spectrum efficiency of a spectrum leasing system is improved.

The invention relates to the technical field of combustion chambers of Stirling engines, and discloses a dual-mode combustion chamber of a Stirling engine, and an implementation method of the dual-mode combustion chamber. The dual-mode combustion chamber of the Stirling engine comprises a hollow combustion chamber shell body, and a dual-mode combustor which is arranged at the end, away from the machine body, in the combustion chamber shell body, wherein the end, away from the machine body, of the dual-mode combustor penetrates through the combustion chamber shell body, and the dual-mode combustor is used for carrying out a high-pressure pure oxygen combustion mode or a low-pressure air combustion mode. The dual-mode combustion chamber of the Stirling engine further comprises a gas flow guide ring. The dual-mode combustion chamber of the Stirling engine further comprises an air flow guide ring. The dual-mode combustion chamber of the Stirling engine further comprises a heat exchanger, wherein one end of the heat exchanger is arranged in the combustion chamber shell body, and the other end of the heat exchanger is connected with the machine body. The flexibility of the working occasions of the Stirling engine can be improved through dual-mode combustion of the Stirling engine, use in different working occasions can be achieved only through one Stirling engine, a power system canbe simplified, and the power density of the power system is increased.

The invention discloses a portable and detachable high-voltage cable butt joint box grounding wire. The grounding wire comprises a cable, one end of the cable is connected with a connecting piece, the connecting piece is provided with a connecting nut, the connecting nut is matched with a screw on a butt-joint box, and the cable is electrically communicated with the connecting piece. The connecting piece further comprises a rotating rod, a cable connecting piece and a rotating piece, the rotating rod is connected with the cable connecting piece through the rotating piece, the rotating rod and the rotating piece are electrically communicated with the cable connecting piece, the cable is connected to the cable connecting piece, and the connecting nut is connected to one end of the rotating rod; and the grounding wire further comprises an an operating rod, an inner hole is formed in one end of the operating rod, one end of the inner hole is open, the other end of the inner hole is closed, and the inner hole can be matched with the end, away from the connecting nut, of the rotating rod. The problems that in the prior art, a grounding wire cannot be used for a cable butt joint box, the power failure range is enlarged, and the workload of workers is increased are solved.

The invention discloses a spectrum leasing method for a cognitive radio network. The method comprises the steps of modeling a spectrum leasing problem between primary users and secondary users throughutilization of a Stackelberg game; carrying out computing to obtain the optimum spectrum allocation factors under a condition that spectrum leasing prices of the primary users are not changed, and carrying out computing according to the optimum spectrum allocation factors, thereby obtaining the optimum spectrum leasing prices; obtaining a revenue function of each primary user according to the optimum spectrum allocation factors and the optimum spectrum leasing prices, and establishing preference lists of the primary users according to the revenue functions of the primary users; and pairing the master users and the secondary users according to the preference lists of the primary users, thereby obtaining the optimum spectrum leasing matching results. Interaction and user preference in investment and pricing decision aspects of the primary users and the secondary users are taken into consideration, so spectrum efficiency of a spectrum leasing system is improved.

The present invention relates to a method of resource allocation and task offloading based on contract theory and matching theory. By using underutilized resources of nearby vehicles, computing tasks are offloaded from user equipment to vehicle fog nodes. Research on contract theory and matching theory , providing an effective incentive mechanism and task assignment mechanism. The contract theory-matching theory mechanism proposed in this paper is a two-stage optimization problem. In the first stage, an effective incentive mechanism based on contract theory is proposed. To incentivize vehicles to share resources. Maximize the expected utility of the base station by designing contracts specific to each vehicle type. In the second stage, the task assignment problem is transformed into a bilateral matching problem between vehicles and user devices. The problem is solved by a price-based matching algorithm, which iteratively performs the process of "making an application" and "raising the price" according to a dynamic preference list, and finally obtains a stable match between the vehicle and the user.

The invention provides a spectrum allocation method based on an improved stable marriage algorithm belonging to the technical field of spectrum allocation in the cognitive radio. According to the method, a preference priority model of cognitive users to spectrum holes and a preference priority model of spectrum holes to cognitive users are built according to prior information; the prior information and a spectrum pool are obtained from an authorized system; a preference priority value is calculated; and the dynamic spectrum allocation is realized through the stable marriage algorithm. According to the method of the invention, stable optimum matching of the cognitive users and the spectrum holes is effectively realized; the spectrum efficiency is maximized; and the problem of spectrum resource waste and too much switching resulted from improper matching is solved.

The invention relates to the design of access control and resource allocation schemes for massive terminals of the electric power Internet of Things, and proposes a two-stage access control and resource allocation algorithm. In the first stage, the present invention proposes an incentive mechanism based on contract theory to motivate partially delay-tolerant machine-type communication (MTC) devices to defer their access requirements in exchange for higher access opportunities. In the second stage, based on Lyapunov optimization, the present invention proposes a long-term cross-layer online resource allocation method, which jointly optimizes rate control, power allocation and channel selection when the complete channel state information is unknown. In particular, the joint power allocation and channel selection problem is formulated as a two-dimensional matching problem and solved by a pricing-based stable matching method.