67results about How to "Fix what doesn't apply" patented technology

The invention discloses a rapid low-illumination image enhancing method based on improved dark channel prior, which relates to a rapid low-illumination image enhancing method, and is used for solving the problems of a conventional low-illumination image enhancing method that the calculation amount is large, that the real-time performance is poor, that boundary information is easy to be fuzzed, that a dark channel prior method is not applicable to light color areas, and that an original low illumination enhancing method based on dark channel prior has a poor processing effect on light reflecting and non-uniform illumination areas. The method comprises the following steps of: firstly, inputting an image I (i, j); secondly, calculating an initial dark channel image D (i, j) of the image I (i, j); thirdly, calculating an average pixel dark channel gray value and a maximum dark channel gray value of the D (i, j); fourthly, judging the light color area of the image I (i, j); fifthly, carrying out linear smoothing on the modified dark channel image; sixthly, acquiring a histogram of the smoothed illumination intensity image, and confirming standard illumination intensity; and seventhly, recovering the image. The method belongs to the field of image and video processing.

The present invention relates to a chirp pulse amplifying spectrum shaping dielectric film structure reflector, which comprises a transparent substrate, a high reflectance film system, an anaglyph structure and an external protective layer. Wherein, the high reflectance film system is composed of a plurality of staggered dielectric films. A high reflectance film layer and a lower reflectance film layer of the high reflectance film closely contact the anaglyph structure. The anaglyph structure can take a plurality of shapes, such as a micro-lens high transparency film system structure, an air dielectric structure, a glass anaglyph structure or other transparent dielectric structures, including semiconductor structures. As a high-power laser chirp pulse with a plane wave structure vertically casts onto the reflector, the laser passes through the high reflectance film system and the anaglyph structure and all residual lasers are reflected to back of the reflector through the transparent substrate. Reflex intensity distribution is modulated to a needed spectrum distribution structure. The reflector of the present invention can be inserted into any place of an amplifier link and improve capacity to distinguish shaping spectrum chromatic dispersion to a certain level. Scope modulation exceeds 60% without changing phase position, thus adapting to PW devices.

The invention relates to a battery capacity estimation method, which comprises the following steps of: acquiring charging capacity and voltage of a battery in real time, and deriving the voltage through the charging capacity to obtain a real-time charging capacity change rate; determining a target IC peak point with the highest IC value in the charging process; calculating a half-peak area corresponding to the target IC peak point, wherein the half-peak area is a capacity increment in an interval from a voltage corresponding to the target IC peak point to a predetermined voltage increment; taking the half-peak area as a health factor; and correcting the health factor based on the temperature and the multiplying power according to the reference mapping relationship between the health factorand the capacity, and estimating the battery capacity. According to the invention, the half-peak area is used as a health factor, and the storage and calculation costs are reduced. Especially, the online acquisition of the health factor is realized by using a recursive updating method, and the storage and calculation costs of the system are reduced. In addition, the method can be applied to multi-system power batteries, especially batteries with unobvious OCV curves along with aging.

The invention, which belongs to the field of relay protection of a power system, particularly relates to a single-ended fault ranging method of an alternating-current line for flexible direct-currentfeeding. The method comprises the following steps that: after a power transmission system detects a single-phase ground fault, a single-ended electrical quantity of a conventional alternating-currentpower supply side is collected; discrete Fourier transform is carried out on an electrical quantity in a sampled data window and a fundamental frequency component is extracted; with a symmetrical component method, phase-mode transformation is carried out on the fundamental frequency component in a frequency domain to obtain sequence components of a fault voltage and a fault current; on the basis of a distributed parameter model, fault voltage and negative-sequence fault current distribution of a fault phase along a line is calculated; a data group formed by fault voltages and negative-sequencefault currents of fault phases at different distances at different times along the line is obtained in a time domain and fault ranging is carried out by using unary linear regression according to thecharacteristic of meeting a direct proportional linear relationship by the data group only at a fault point. Therefore, a problem that the traditional fault location method has low applicability is solved; and the single-ended fault ranging method has advantages of high ranging accuracy and wide applicability.

The invention discloses an extensible multi-output interrupt controller, including an interrupt information module, wherein the input end of the interrupt information module is connected with a plurality of processor cores to prepare interrupt information; the input end of the interrupt information module is also connected with a plurality of interrupt sources to receive a plurality of different interrupt signals; the output end of the interrupt information module is respectively connected with a plurality of same interrupt control modules to send an effective interrupt source highest prioritysignal to each interrupt control module; and each interrupt control module is correspondingly connected with one processor core, and each interrupt control module performs interrupt information interaction with the processor core so as to control interrupt of the processor core. The extensible multi-output interrupt controller provided by the invention has good expansibility on the number of processors and interrupt sources.

The invention discloses a method and device for deciding an uplink MCS level. The method includes the following steps: a user equipment (UE) determining the UL MCS level self-used in UL transmission, if determined that an uplink UL transmission opportunity is acquired, on the basis of the result of quality measurement of a UE-side channel or of the result of the quality measurement of the UE-side channel and at least one parameter alerted by a base station. The invention also discloses a device which realizes the method.

The invention relates to a construction method of an overhead railway jacking frame-structure bridge, in particular to a jacking construction method of a large-span frame-structure bridge of a combined I-shaped beam continuous reinforced line. The large-span frame-structure bridge is prefabricated on the right side of a railway line. An I100 I-shaped beam and H70 type transverse lifting beam combined overhead system is adopted for reinforcement and overhead operation. The I100 I-shaped beams are arranged at the positions 2.2 m away from the left side and the right side of the center of the line, and each set of longitudinal beams are connected through an H20 steel sleeper. H70 type reinforced transverse lifting beams are arranged at the rail bottoms of two transverse supporting piles, andthe transverse lifting beams extend out of the center lines of the longitudinal beams by 4.5 m on the right side of the line, so that a box culvert top plate is conveniently jacked into the transverselifting beams as early as possible; the transverse lifting beams extend to in-place pile crown beams from the left side of the line to prevent the line from transversely moving in the jacking period.Two rows of steel bar pull rings are embedded in the box culvert top plate, and the line and the bridge body are connected by using a chain block and a steel wire rope during jacking to prevent the line from transversely moving. The method is suitable for large-span frame structure jacking construction or temporary line reinforcement and the like which cannot be used by the I-shaped beams.

The invention discloses the application of an ionic iron (III) complex as a catalyst in preparation of a benzylamine compound, that is, an ionic iron (III) complex having a formula of [(RNCHCHNR)CH][FeBr4] (R is tert-butyl) and containing 1,3-di-tert-butyl imidazolium cation is used as a catalyst, di-tert-butyl peroxide is used as an oxidizing agent, and a benzylamine compound is synthesized by oxidation reaction of a toluene/ethylbenzene compound with an aromatic amine. The application of an ionic iron (III) complex as a catalyst in preparation of a benzylamine compound has wide application range, and is applicable not only to a toluene compound containing a benzylic primary carbon-hydrogen bond but also to an ethylbenzene compound containing a benzyl secondary carbon-hydrogen bond. Thisis the first example of the preparation of a benzylamine compound by oxidation reaction of a toluene/ethylbenzene compound and an aromatic amine by an iron-based catalyst.

The invention provides a printing machine with adjustable rollers, which relates to the field of printing and dyeing. The printing machine with adjustable rollers includes a body, a first working box is overlapped on the left side of the body, a second working box is overlapped on the right side of the body, and the first working box and the second working box are overlapped. The opposite side of the box is provided with movable grooves, and the inside of the two movable grooves is movably connected with sliders, and the two sliders are fixedly connected by roller shafts, and the upper surfaces of the two sliders are overlapped with baffles. The printing machine with adjustable roller shaft can adjust the roller shaft of the printing machine according to The thickness of the clothes that need to be processed can be adjusted in height, which is convenient for printing and dyeing. It solves the problem that the existing printing machine prints and dyes through the roller shaft when it is in use, and the thickness of the clothes is different. The height of the non-adjustable roller shaft is not suitable for clothes of different thickness. Applicable questions.

The invention discloses a fault processing method for an unbalanced power distribution network containing an inverter distributed power supply. The method comprises the following steps of inputting therequired parameters; setting the calculation error precision; forming an injection node current matrix; calculating a node voltage matrix in an active network; calculating a node voltage matrix ina passive network; calculating a post-fault node matrix; calculating the current outputted by each distributed power supply, an asymmetric line compensation current source and an asymmetric load compensation current source; taking the maximum difference value of the same node voltage as a calculation error, judging whether the calculation error is smaller than a set value or not, and if yes, outputting a calculation result; if not, recalculating from the current matrix forming the injection node; and optimizing the power distribution network according to the calculation result. The method is suitable for the fault processing of the complex power distribution network containing unbalanced elements, and is high in applicability and precision.

The invention provides a sewing machine which is easy to disassemble and relates to the textile field. The sewing machine that is easy to disassemble includes a table board, a groove is opened on the upper surface of the table board, a block is inserted into the inside of the groove, the upper surface of the block is fixedly connected to the organic body, and the bottom of the body It is overlapped with the upper surface of the table board, a working body is overlapped on the right side of the body, a fixing bar is fixedly connected to the right side of the body, and a first rotating shaft is fixedly connected to the end of the fixing bar away from the body. The sewing machine that is easy to disassemble, through the block, the fixed bar, the first rotating shaft, the first rotating wheel, the movable rod, the deck, the fixing plate, the second rotating shaft, the second rotating wheel, the rotating rod, the fixing seat, the sliding rod, the limit The positioning rod, the swivel ring and the shaft rod cooperate to achieve the effect that the sewing machine can be easily disassembled and placed after the work is over. It solves the problem that the existing sewing machine is integrated as a whole, and it is not easy to disassemble after use. This is for us to place the sewing machine. Inconvenient question.

The invention discloses a general resistance calculation method for a yacht motion mathematical model in a yacht simulator. The general resistance calculation method comprises the following steps: reading yacht profile data and simplifying a yacht geometric model; dividing a yacht motion volume Fourier number interval; calculating yacht resistance; combining resistance calculation with a yacht simulator. According to theg method, the yacht geometric model is made into the prismatic yacht shape to be simplified, the mathematical expression difficulty of the yacht geometric model is reduced, andtherefore the yacht resistance modeling difficulty and the yacht resistance calculation complexity are reduced, and convenience is provided for yacht resistance modeling and real-time calculation. According to the invention, the yacht resistance is solved in a segmented manner through a yacht motion state dividing method; the problem that an existing resistance algorithm in the simulator is inaccurate in yacht sliding navigation stage resistance calculation and the problem that a flat plate sliding theory is not suitable for the yacht drainage navigation stage are solved, the method can be well applied to engineering application, and the requirement of the yacht simulator for yacht motion mathematical model resistance calculation precision at the present stage is met.

The invention discloses a prestressed anchorage device with a replaceable anchorage. The device comprises a prestressed concrete anchorage part and a main cable strand connecting part used for being connected with a main cable strand. The prestressed concrete anchorage part comprises an embedded assembly and an anchorage cable strand, wherein the embedded assembly is composed of upper-end anchor backing plates, lower-end anchor backing plates, spiral bars and an embedded pipe. The embedded pipe comprises a separating diversion embedded pipe and a straight embedded pipe, wherein the separating diversion embedded pipe is formed by assembly welding of connecting pipes, round plates and n crooked steel pipes, and the separating diversion embedded pipe is connected with the upper-end anchor backing plates and the straight embedded pipe through the connecting pipes and the round plates at both ends respectively; n is an integer which is equal to or greater than 2 and less than or equal to 100. By means of the prestressed anchorage device with the replaceable anchorage, the defects of common prestressed anchorage devices of suspension bridge tunnel-type anchorages can be effectively overcome, anchorage is reliable, corrosion protection is superior, construction and monitoring are easy and convenient, replacement of multiple strands of finished cables can be conveniently achieved in the condition that operation of a bridge is not influenced, and thus the prestressed anchorage device with the replaceable anchorage is especially suitable for a tunnel-type anchorage system with a crooked channel.

The invention belongs to the field of aircraft engine design, and relates to a method for determining the pneumatic area of an afterburner outer culvert with a flow guide supporting plate. The method comprises the following steps: S1, performing outer culvert gas flow calculation on flow of outer culvert gas in the afterburner and a plurality of gas path partitions mixed with inner culvert gas, and determining the outer culvert gas flow ratio of each partition; S2, determining the geometric area proportion of the characteristic cross section of each partition; S3, determining an outer culvert pneumatic area correction coefficient according to the outer culvert gas flow proportion and the geometric area proportion; and S4, calculating the pneumatic area of the outer culvert according to the correction coefficient of the pneumatic area of the outer culvert. For the characteristics of the afterburner with the flow guide supporting plate, the invention provides a method suitable for calculating the pneumatic area of the afterburner outer culvert, and the problems that the pneumatic area of the afterburner outer culvert with the flow guide supporting plate is complex and inaccurate to calculate are solved.

The invention relates to a vehicle identification code printing and carving equipment mounting bracket and a mounting assembly, wherein, the vehicle identification code printing and carving equipmentmounted bracket includes a first bracket (1) which is fixed to a vehicle body, a plurality of mounting holes which are penetrated by fastening pieces for connecting the first bracket (1) and the vehicle body are formed in the first bracket (1), and a first mounting seat (11) which is used for being connected with printing and carving equipment (3) is arranged on the first bracket (1). According tothe technical scheme, the multiple mounting holes are formed in the first bracket, according to different vehicle models, the mounting bracket can be fixed to the vehicle body by selecting the propermounting hole, the mounting bracket is steadily connected with the printing and carving equipment through the first mounting seat at the same time, the problem that the printing and caving equipmentis not suitable for some vehicle models in the fixing process can be solved through the mounting bracket, so that the identification codes can be printed and carved at the vehicles with different vehicle models, the structure is simple, and the installation is convenient.

The invention relates to current limiting equipment applicable to bidirectional flow direct current system distributed capacitance configuration. The current limiting equipment comprises an H bridge circuit composed of two diode bridge arms, two switch bridge arms and an intermediate branch circuit; the diode bridge arms and the intermediate branch circuit are respectively formed by connecting power diodes in series; the switch bridge arms are respectively formed by connecting switch elements in series, wherein the switch elements can be conducted unidirectionally and can be turned on and off,a collector, anode or drain electrode end of each switch bridge arm is called as a bridge arm positive pole, and a transmitter, cathode or source electrode end of each switch bridge arm is called asa bridge arm negative pole; the two diode bridge arms share the cathode; the negative pole of each switch bridge arm is connected with the anode of one of the diode bridge arms, and the switch bridgearms share the anode and are connected with an anode of a capacitor; and a cathode of the intermediate branch circuit is connected with a common point of the diode bridge arms, and an anode of the intermediate branch circuit is connected with a common point of the switch bridge arms. One of the common point of the diode bridge arms and the common point of the switch bridge arms is connected with adirect current bus, and the other one of the two common points is connected with a direct current circuit.

The invention provides a direct link control signaling resource mapping method and a terminal. The method comprises the following steps: determining a candidate RE set which can be used for second-stage direct link control information (2nd-stage SCI) transmission in time-frequency resources transmitted by a physical direct link shared channel (PSSCH); determining the number of REs of a target modulation symbol used for 2nd-stage SCI transmission; and mapping the target modulation symbol to a corresponding candidate RE according to the candidate RE set and the RE number of the target modulation symbol. According to the direct link control signaling resource mapping method provided by the embodiment of the invention, the resource mapping condition when the PSSCH and the 2nd-stage SCI adopt different modulation modes is considered, and the problem that the existing resource mapping mode is not applicable when the modulation modes of the 2nd-stage SCI and the PSSCH are different can be solved.

The invention provides a motion error compensation method based on an unmanned aerial vehicle-mounted bistatic SAR system. The difficulty of motion compensation is reduced by constructing a motion sensitivity model of a small unmanned aerial vehicle BiSAR system and reducing the degree of freedom of errors. Firstly, sub-image division is carried out on a coarse imaging result, meanwhile, a motion sensitivity model of a small unmanned aerial vehicle bistatic synthetic aperture radar system is established, the second-order frequency modulation rate and the third-order frequency modulation rate of azimuth time domain signals are expressed as the linear sum of several error degrees of freedom, and the error degree of freedom is screened by using the model. Then, error estimation values of the motion parameters are obtained through a simulated annealing algorithm and a weighted least square method, and finally, global motion compensation is achieved through the values. The motion compensation difficulty is reduced by reducing the degree of freedom of error, and global motion compensation is realized. The method is suitable for an imaging environment with relatively few sparse scene strong contrast areas, and the problem that a traditional motion error compensation algorithm is not applicable when the motion error of a transceiver has large space-variant characteristics in a small unmanned aerial vehicle BiSAR system is solved.

The invention discloses a self-adaptive deep learning optimization energy-saving control algorithm for a central air-conditioning cold supply system. The algorithm comprises a power supply, a server data platform, a data connection port, a plurality of temperature sensors, a plurality of water flow sensors and a plurality of electric power sensors. According to the method, when the data volume is small, the physical model is utilized, global total energy consumption is used as a target function for optimization, a bad solution is eliminated and a new solution is regenerated in each iteration, and a high-dimensional optimization model is solved, so that the optimization calculation efficiency is effectively improved, and effective optimization control parameters are obtained more quickly and better; and a database is updated and a data model is trained by using real-time data, so that the problem that a physical model is not applicable under extreme working conditions is solved, the precision of an energy consumption model or a performance model of system power equipment is improved, and the optimization model is more accurate and effective. The network technology is adopted, cloud storage and remote transmission of data are achieved, the management efficiency of the cold supply system is greatly improved, and the system management cost is saved.

A toilet middle basin for cats comprises a bottom and a side wall, wherein a through hole is formed in the bottom; the side wall upwards extends along the peripheral edge of the bottom; an upper net and a lower net which are attached to each other vertically are arranged on the bottom; and the upper net and the lower net can move relatively so as to adjust the aperture of the through hole. According to the toilet middle basin for cats, the aperture of the through hole can be adjusted by simply and oppositely moving the double-layered nets so as to adapt to cat litter with different grain sizes and in different types; and the problem that the original fixed-aperture toilet middle basin for cats is not suitable when a pet keeper changes the types of the cat litter is solved perfectly.

The invention discloses novel glasses which comprise a left glasses frame and a right glasses frame. A nose bridge rod connected with the left glasses frame and the right glasses frame is arranged between the left glasses frame and the right glass frame, the nose bridge rod is separately arranged through internal magnets attaching with each with, each of two sides of the left glasses frame and theright glasses frame is respectively provided with a glasses leg hinged with the left glasses frame and the right glasses frame, the tail end of each glasses leg is provided with an adjustable loop bar, the distance between the glasses legs and hinged shafts at the position of the glasses frames can be adjusted through the loop bars, and the tail ends of the two loop bars have the loop bars connected or separated through detachable fixing devices. The novel glasses are less prone to being thrown away, the length of the glasses legs and the angle between the glasses legs and the glasses framescan be optionally adjusted to 90-180 degrees, and the novel glasses can be detached.

The invention discloses an adjusting valve with an opening and closing function. The adjusting valve comprises a valve body and an executing mechanism. A medium inlet is formed in one end of the valvebody, and a medium outlet is formed in the other end, opposite to the medium inlet, of the valve body; the shortest runner communicating to the medium inlet and the medium outlet is arranged in the valve body; a groove, penetrating the runner, is formed in the vertical direction of the runner, a plunger matched with the runner is arranged in the groove, and a through hole is formed in the plunger; the executing mechanism comprises a connecting rod driving the plunger to move, and the connecting rod drives the plunger to move in a reciprocating manner up and down in the groove, so that the plunger is matched with the runner to open or close the runner quickly. The connecting rod drives the plunger to rotate in the runner, so that the runner and the through hole are overlaid to different extents to adjust the flow of the runner continuously. The valve not only has the opening and closing and continuous adjusting compound functions, but also prevents inconvenience as the quantity of interfaces, power supplies and control cables on a pipeline is increased because the two types of valves are connected in series or in parallel.