80results about How to "Does not affect implementation" patented technology

The invention discloses a large-scale face identification method based on GPU accelerated retrieval, which relates to the field of computer vision. The large-scale face identification method comprisesthe steps of face detection and alignment, face feature extraction, Hash feature acquisition, face index database establishment, multi-GPU accelerated Rough matching, hash-based candidate set acquisition, precise matching based on distance metric, voting to obtain a best-matched person and the like. The large-scale face identification method based on GPU accelerated retrieval is based on two-stage feature matching of Hash index and multi-GPU accelerated computing, can accelerate the screening of eigenvectors by utilizing the powerful parallel computing capacity of the GPU, greatly reduces time consumption on large-scale data set retrieval, and can meet various application requirements taking the implementation of a deep convolutional neural network as the basis and having high demand on real-time performance.

The invention relates to a pulse impact producing mechanism and a center differential pressure drill comprising the same. The pulse impact producing mechanism comprises a righting element, a driving element, a rotating element and a throttling element which are placed sequentially, the righting element, the driving element and the rotating element are connected sequentially, the throttling element and the rotating element are in clearance fit, overcurrent channels which are used for flowing of a drilling fluid are arranged on the righting element and the throttling element, the driving element drives the rotating element to rotate, and the overcurrent channels on the rotating element and the throttling element move relatively. The center differential pressure drill comprises a reaming bit, the pulse impact producing mechanism, a pressure regulating element, a transmission mechanism and a pilot bit, and the pressure regulating element, the transmission mechanism and the pilot bit are connected sequentially. Compared with the prior art, the cuttings hold-down effect of the pilot bit and the reaming bit is reduced while rotary impact drilling of the pilot bit can be realized, further the purposes of protecting the bits, prolonging the service lives and improving the drilling speed are realized, and the drilling effect is further improved.

The invention discloses a focusing type cold cathode X-ray tube which comprises a field emission cold cathode, a lamp filament gate electrode formed by lamp filaments, an anode, an X-ray tube case and a ray emergence window, wherein the field emission cold cathode and the anode are respectively arranged at two ends inside the X-ray tube case and are respectively extracted to the outside of the X-ray tube case through a cathode extraction electrode and an anode extraction electrode; the lamp filament gate electrode is arranged between the field emission cold cathode and the anode; two side surfaces of the lamp filament gate electrode are extracted to the outside of the X-ray tube case through the two extraction electrodes; the anode is provided with a slope surface for generating an X-ray by electron bombardment; and the ray emergence window is arranged at the position on the side surface of the e X-ray tube case, which is just opposite to the slope surface. Compared with the general field emission cold cathode X-ray tube, the focusing type cold cathode X-ray tube can be used for effectively carrying out electron bombardment on the anode to degass, improving the vacuum degree in the X-ray tube, simultaneously focusing electron beams, improving the performance of the X-ray tube and prolonging the service life of the X-ray tube.

The invention discloses a frequency-domain super-resolution micro-multipath height finding method of a sky-wave beyond visual range radar, wherein the frequency-domain super-resolution micro-multipath height finding method is suitable for a signal processing system of the sky-wave beyond visual range radar. The frequency-domain super-resolution micro-multipath height finding method comprises the following specific steps of: filtering an interested target and multipath signals thereof by using band-pass FIR (Finite Impulse Response) filtering; estimating a mean distance value of the interested target by using a super-resolution method, and designing a distance rectangular projection matrix to filter and remove partial redundant micro-multipath signals; forming a Doppler domain weighted signal sub-space, estimating a mean Doppler value of the Doppler domain weighted signal sub-space; and calculating a Doppler parameter by using a micro-multipath model, correcting by using the mean Doppler value to form a Doppler projection matrix, matching the weighted signal sub-space with the Doppler projection matrix, searching to obtain the estimated height value of the target, wherein the specific steps are shown in figure 1. The method has the advantage of reducing the probability of matching failure caused by noise and parameter errors of an ionization layer. The technology disclosed by the invention is not limited to a sky-wave beyond visual range radar system and can be widely applied to a target height finding occasion with a ground multipath effect, and has popularization and application values.

The present invention discloses a novel fermentation tank, which comprises a tank body, a membrane filter and a pipeline; wherein, the membrane filter is arranged inside the tank body; one end of the pipeline is connected with the membrane filter in the tank; the other end of the pipeline leads out of the tank or leads out of the tank through a hollow stirring shaft. The membrane filter can be arranged on the wall of the tank through the pipeline or on the hollow stirring shaft, and the included angle between the membrane filter and the longitudinal axis of the tank is between 0 degree and 90 degrees. In the process of bio-fermentation, the fermentation tank can carry out membrane separation, the positive pressure inside the fermentation tank or / and the negative pressure outside the fermentation tank ensure that liquid-phase material can permeate the membrane and pass through the pipeline to reach other devices outside the fermentation tank, and suspended cells and intercepted granules are intercepted in the fermentation tank to keep fermenting. The novel fermentation tank utilizes the characteristic of the combination of the fermentation tank and the membrane separation, to realize the coupling of cell culture and product abstraction. The fermentation tank does not affect the growth and metabolism of cells, the reaction effect is good, the biochemical reaction system is stable, moreover, the cost is low, investment is little, and the fermentation tank is applicable to biological reaction.

Present invention discloses a slide piece for rotary compressor. Said end surface end surface contour is smooth curve, the curvature centre of said curve deviated to air outlet, the end surface of slide piece bottom being not symmetric along slide piece center line, but one side corresponded air suction port being higher than one side corresponded air outlet. When compressor is in operation, said asymmetrical shape can relieve slide piece tilted position, thereby reducing frictional wear and mechanical friction power loss between slide piece and slide piece trough, reducing slide piece blocking duo to assembly deformation, raising compressor reliability and COP.

The embodiment of the invention discloses a admission control method in radio communication system, which mainly comprises: judging the QoS class of the service which initiates a call request according to the service quality QoS property; comparing the service satisfaction ratio of corresponding QoS class with the preset admission threshold; and performing admission to the service with service satisfaction ratio no less than the admission threshold. At the same time, The embodiment of the invention further discloses an admission control apparatus in radio communication system, thereby, can avoids complex but inaccurate resource utilization rate calculation.

Systems and methods are provided for data extraction based on model- view- controller (MVC). For example, a data extraction request of a control layer object is acquired; network address parameters and a data carrier object corresponding to the data extraction request are acquired; a network data capturing function of the data carrier object is called based on at least information associated with the network address parameters to capture network data; the captured network data is analyzed based on at least information associated with the data carrier object; value assignment is performed on the data carrier object based on at least information associated with the analysis of the network data; and the data carrier object is returned to the control layer object corresponding to the data extraction request.

The invention relates to a drill bit with energy-gathered attack to unload well bottom stress and a drilling method. The drill bit comprises a drill bit body, an energy-gathered spring and a dominanceattack assembly, wherein the dominance attack assembly is installed inside the drill bit body, energy-gathered attack teeth at the bottom end of the dominance attack assembly protrude out of cuttingteeth at the bottom surface of the drill bit body, the energy-gathered spring is installed inside the drill bit body and above the dominance attack assembly, and the dominance attack assembly and thedrill bit body can axially move relative to each other but cannot rotate relative to each other, so that the energy-gathered attack teeth at the bottom end of the dominance attack assembly protrude out of the drill bit cutting teeth at the bottom end of the crown of the drill bit body to crush the well bottom to form an annular well bottom, the well bottom stress is released, the drill bit cuttingteeth at the bottom end of the crown of the drill bit body break rock under pressure and torque, the whole rock breaking process is realized by releasing the stress firstly and breaking the rock of the well bottom completely, and the drilling speed process is improved.

The invention discloses a 10 KV electric transmission line zero-sequence current detection system. The 10 KV electric transmission line zero-sequence current detection system is characterized in that head ends of auxiliary coils of three load current transformers are connected with a load current detection loop respectively, the tail ends of the auxiliary coils of the three load current transformers are connected with the same point SO, and a zero detection transducer is arranged between the point SO and a signal common end com, wherein the point SO is the head end of a primary coil of the zero detection transducer, and the com end is the tail end of the primary coil of the zero detection transducer. A zero-sequence current sampling resistor Rx is connected to the head end of the auxiliary coil of the zero detection transducer, one end of the resistor Rx is connected to a comprehensive signal processing circuit, the other end of the resistor Rx is connected to the com end, and the tail end of the auxiliary coil of the zero detection transducer is connected to the com end. By means of the 10 KV electric transmission line zero-sequence current detection system, the 10 KV electric transmission line zero-frequency current detection mode in the prior art is changed, micromation and invisibility are achieved, detection accuracy is substantially improved, and false zero-sequence current detection is completely avoided.

The invention belongs to the thyristor controlled series compensation (TCSC) technology and relates to a method for inhibiting the sub-synchronous resonance on the basis of the phase variation of the circuit current relative to working frequency, in particular to a triggering-level control algorithm of the controlled series compensation, which adopts an additional damping control structure and achieves the purpose of inhibiting the sub-synchronous resonance by the fine-tuning of a controlled series compensation triggering angle. The invention particularly comprises the steps of calculating and obtaining the phase variation Delta t of measurement circuit current relative to the working frequency, which is caused by the sub-synchronous frequency circuit current component, and calculating the additional value Delta Alpha of the triggering angle according to the Delta t, etc.

The invention relates to an aerobic composting waste heat power generation system and a working method thereof, and belongs to the field of organic solid waste resource utilization. The system comprises a waste collection device, a main composting reaction chamber, a waste heat power generation device and a tail gas collection device, wherein a heat conduction cover is arranged at the top of the main composting reaction chamber, the upper space of the main composting reaction chamber is a waste reactor body, the lower space of the main composting reaction chamber is a leachate collection device, a filter screen is arranged between the upper space and the lower space, and the main composting reaction chamber is further connected with an aeration device; the bottom of the heat conduction cover is connected with the reactor body through a heat conduction rod; a waste heat power generation device is installed on the upper surface of the heat conduction cover and is formed by connecting a plurality of semiconductor thermoelectric power generation pieces in series, wherein the electric energy generated by the semiconductor thermoelectric power generation pieces is transmitted to an electricity storage and supply device. According to the invention, heat can be recovered from organic wastes while the organic wastes are treated, and the problem of secondary pollution caused by excessivewaste heat of traditional compost is solved.

An interleaved Boost converter comprising a lossless buffer circuit comprises inductors L1, L2...Ln. The input ends of the inductors L1, L2...Ln are connected with the positive electrode of an input power supply Vin. The output ends of the inductors L1, L2...Ln are connected with the anodes of diodes D1, D2...Dn. The output ends of the inductors L1, L2...Ln are connected with the collectors of power switching tubes S1, S2...Sn. The cathodes of the diodes D1, D2...Dn are connected with one end of a filter capacitor C0. The emitters of the power switching tubes S1, S2...Sn and the other end of the filter capacitor C0 are connected with the negative electrode of the input power supply Vin. The interleaved Boost converter can effectively reduce the switching-off loss of the power switching tubes, and has a simple structure. The performance of the original converter is not changed, the difficulty in control and drive circuit implementation is reduced, the cost is low, and no energy loss is caused.

The invention relates to a shaft bottom stress-induced unloading drill bit and a method for increasing the drilling speed. According to the technical scheme, a supporting block, a spring and a stressunloading gear matrix are mounted in a special mounting hole of the shoulder of a drill bit body; a stress unloading gear is mounted on the stress unloading gear matrix; the spring is mounted on one side, close to the inside of the drill bit body, of the stress unloading gear matrix; a combination body of the stress unloading gear matrix and the stress unloading gear can slide relative to the axisdirection of the spring; drill bit cutting teeth are arranged on the outer side of a drill bit blade of the drill bit body; and the extending length of the stress unloading gear is larger than the extending length of the drill bit cutting teeth. The drill bit has the beneficial effects as follows: the stress unloading gear crushes the shaft bottom ahead of the drill bit cutting teeth at the bottom end of the crown of the drill bit body to form the circular groove shaft bottom, the shaft bottom stress is released, then the drill bit cutting teeth at the bottom end of the crown of the drill bitbody break rock under pressure and torque, and the drilling speed is increased in the whole rock breaking process through stress releasing and then overall rock breaking at the shaft bottom.

The invention provides a liquefied natural gas (LNG) cold energy gradient utilization system and a control method. When an abnormal working condition appears to a certain technology of a refrigerant expansion electronic system, refrigeration storage area subsystems and data center area subsystems, it is ensured that other areas are not affected to continue production, and other refrigerant gradient technologies can stop due to the abnormal working condition of the certain technology. Thus, efficient cold energy gradient utilization is realized, a temperature utilization range is wide, the relative independentability of each technological segments of the LNG cold energy gradient utilization is improved, the operating flexibility and error-tolerant rate of an overall project are improved, the economic impact of the breakdown is reduced, safety production can be realized, the operation cost is reduced, so that the overall project is environmentally friendly, potential safety hazards are reduced to the lowest, and the implementation of other projects of a station is not affected.

The invention discloses an end cover which is used for being matched with a valve body of a main valve of a four-way reversing valve; the end cover is provided with a large diameter section and a small diameter section which are sequentially arranged along the axial direction, wherein the periphery of the end cover at the large diameter section is used for being fixedly connected with the valve body in a sealing way, and the end part of the end cover at the small diameter section is used for being matched with a piston of the main valve for limiting the work position of the piston; and the end part of the end cover at the large diameter section is provided with a stop hole extending along the radial direction, and the stop hole is used for leaning against and being matched with the end surface of the valve body. Compared with the prior art, the part where the end cover is welded with the valve body is moved to the end surface of the valve body at the outer side, so that the radial clearance between the end cover and the valve body is larger, and the welding technique is not influenced. Therefore, the invention can effectively avoid the problem of poorer welding quality caused by more change of the inner diameter of the valve body. The invention also disclosed the valve body matched with the end cover, main valve of the four-way reversing valve provided with the end cover and the valve body, and the four-way reversing valve.

A method of receiving multicast ¿C broadcast service data by mobile station in radio network includes setting up fixed mapping relation of index number on modulation and coding mode to coding modulation mode in multicast ¿C broadcast service resource MBS ZONE, obtaining index number of said mode in MBS ZONE and service resource occupied by MBS connection by mobile station, receiving MBS service data by mobile station according service resource occupied by MBS connection and obtaining modulation coding mode corresponding to index number according to fixed mapping relation sought out as per index number for analyzing MBS service data.

The invention discloses an anti-capture RFID multi-label identification method. The method comprises the following steps of: calculating a capture happening condition according to a label quantity and a capture happening probability, and identifying labels; and only carrying out anti-capture processing at the initial stage of label identification and at the label identification finishing moment. Aiming at a basic process and a capture principle of RFID system multi-label identification, the invention discloses a simple and efficient anti-capture RFID multi-label identification method, so that the capture problems in the RFID multi-label identification process is solved without influencing the RFID multi-label identification efficiency. The invention discloses a new label capture processing method, namely, a delayed processing method; through the new label capture processing method, no loss is caused to the identification performance of an original algorithm and the identification efficiency is above 50%; and the new label capture processing method is simple to implement and does not have obvious influences on the identification process and application implementation of the original algorithm.

The invention provides a rapidly degradable antibacterial plastic film. The plastic film takes polylactic acid as matrix resin, and special nano silicon dioxide grafted graphene is added in the preparation process, so that compared with a conventional polylactic acid film, the prepared plastic film has better mechanical property and antibacterial property. The invention also provides a preparation method of the plastic film.

The invention discloses an HDL code simulation coverage rate asynchronous event-driven automatic analysis method. The method comprises the following steps: performing lexical and grammatical analysis on an HDL code; initializing a coverage rate analysis environment; inserting coverage rate primitives; an executable function corresponding to the coverage rate primitive is generated, and then the executable function is inserted into an event queue of the coverage engine to serve as an independent thread or process to be maintained; the executable function and the simulation program are executed asynchronously in parallel to collect coverage rate information; and outputting a coverage rate analysis result and a report. According to the method, the executable function corresponding to the coverage rate primitive is inserted into the event queue of the coverage engine and is executed in parallel and asynchronously with the simulation process, so that the realization of the original circuit function is not influenced, and the influence on the simulation performance can be minimized.

The invention relates to a suspended guide-rail-type high-altitude operation platform and a manufacturing method. The operation platform comprises a U-shaped platform as a construction support, a horizontal support beam capable of enabling the U-shaped platform to be supported at the top of a corridor and a walking device capable of enabling the operation platform to be moved along the corridor. The U-shaped platform comprises a bottom cross beam positioned below the corridor, and vertical arm frames which are vertically installed at two ends of the bottom cross beam and positioned at the sidepart of the corridor. Two ends of a horizontal support beam are connected with the upper ends of the two vertical arm frames. The walking device comprises a rail installed at the top or side upper part of the corridor, a rail wheel installed at the bottom of the horizontal support beam and a driving mechanism for driving the horizontal support beam. The suspended guide-rail-type high-altitude operation platform is capable of, through connection of the U-shaped platform and the horizontal support beam, enabling a whole structure of the operation platform to be in a state that the left, right and lower three faces of the corridor to be constructed are surrounded, using the operation platform as the support, safely and conveniently constructing the bottom and the side face of the corridor, and solving problems in the prior art, and has active technological significance.

The invention provides a self-adhesive polymer modified asphalt waterproof coiled material, specially-made thermoplastic polyurethane resin is added into the asphalt layer raw material of the waterproof coiled material, the thermoplastic polyurethane resin has good compatibility with other components, and the waterproof performance and the mechanical performance of the waterproof coiled material can be improved when the thermoplastic polyurethane resin matches the other components for use. The invention further provides a preparation method of the waterproof coiled material.