36results about How to "Strong coping ability" patented technology

The invention discloses a confrontation method for laser active jamming. A laser locating and tracking system comprises an emitter and a receiver; the method comprises the following steps: the emitter encodes laser detecting signals according to the finite random cycle encoding mode, so that intervals of all laser detecting pulses in one encoding cycle are changed randomly; the emitter introduces the random phase shift Delta i on the all laser detecting pulses, so that the laser detecting pulses have variable phase differences, wherein one random phase shift value is distributed to each laser detecting pulse from the random phase shift sequence; any random phase shift value in the random phase shift sequence is greater than or equal to the time resolution of the receiver, and is smaller than the predetermined minimum period t0 of interference pulses. The confrontation method and system for the laser active jamming of the laser locating and tracking system, disclosed by the embodiment of the invention, both have excellent confrontation effect on the present common three laser active jamming modes and complex jamming modes thereof.

The invention discloses a flight delay real-time probability prediction method based on a Bayesian network algorithm, and the method comprises the steps: formulating a flight delay judgment standard,analyzing a delay wave and the impact on flight delay, and determining the release fairness of departure flights; analyzing the delay characteristics, determining flight delay factors, and creating aflight delay dynamic prediction model based on a Bayesian network; adopting a dynamic prediction technology based on a time sequence to predict the present transverse wave and measurement index to obtain a final flight delay prediction value, and generating a prediction set; and carrying out probability prediction on prediction set data by utilizing the flight delay dynamic prediction model obtained by training, and obtaining a prediction value of each flight delay level by adopting a probability maximum principle. According to the invention, real-time probability prediction can be carried outon the departure delay level of a single flight of an airport every day, the flight delay prediction precision is improved, a delay early warning notice is issued to passengers in time, an operationstrategy is adjusted in time, and various adverse effects caused by flight delay are reduced.

This invention relates to a synthesis method of fischer-tropsch. Its preparation includes (1) Coal-made synthesis gas material enters into the first fischer-tropsch synthesis reactor to contact and react with iron base catalyst, (2) After eliminating CO2 from surplus end gas, segregating the first grade reaction product for entering C1-C4 alkanes transformation equipment to produce CO and H2, and then let the end gas after transformation enter the second fischer-tropsch synthesis reactivator to contact and react with cobalt base accelerant. (3) Segregating the second reaction product and evacuating part of gas, and then let the surplus end gas return to the first fischer-tropsch reactor for recycling. This method can adjust the reaction extent between first and second grade reaction to control the aimed product structure flexibly and meet the demand of the market.

A ball valve having a cam element, and a ball having a left arm and a right arm with a slot between each arm. A terminal portion of each arm is positioned adjacent the cam element. The cam element is shaped so that, when the ball is rotated from the open condition to the closed condition, the cam element forces the arms through three distances of separation. A first distance, when the ball has undergone no rotation from the fully open condition. A second distance, when the ball has undergone some rotation from the fully open condition towards the closed condition but has not reached the closed condition. A third distance in which the ball has undergone rotation to the closed condition. The third distance is greater than the first distance, and the second distance is greater than the third distance.

The invention discloses a concave surface type take off and landing platform of a vehicle-mounted unmanned aerial vehicle. The platform comprises a parking apron, a base and at least one bumper post,wherein the parking apron takes the shape of a downward cambered surface; the base is arranged below the parking apron and is fixedly arranged on a top plate of a vehicle body; the bumper post is arranged between the parking apron and the base, and comprises a telescopic section; and a spring sleeves the periphery of the bumper post. The platform realizes automatic positioning of the unmanned aerial vehicle after self-landing of the unmanned aerial vehicle through the concave surface type parking apron, does not need accurate point positioning, and can greatly improve the positioning landing efficiency; the concave surface type parking apron can weaken airflow and improve the stability of the unmanned aerial vehicle during landing; the bumper post can effectively buffer the impact force ofthe unmanned aerial vehicle during landing, has a protective effect on both the unmanned aerial vehicle and the parking apron, and effectively improves the structure stability; and the platform is applicable to cruisers, and automobiles, cargo vans, engineering disaster relief vehicles, emergency rescue vehicles, trucks and armoured vehicle with other similar demands.

This invention relates to a synthesis method of fischer-tropsch. Its preparation includes (1) Coal-made synthesis gas material enters into the first fischer-tropsch synthesis reactor to contact and react with iron base catalyst, (2) After eliminating CO2 from surplus end gas, segregating the first grade reaction product for entering C1-C4 alkanes transformation equipment to produce CO and H2, and then let the end gas after transformation enter the second fischer-tropsch synthesis reactivator to contact and react with cobalt base accelerant. (3) Segregating the second reaction product and evacuating part of gas, and then let the surplus end gas return to the first fischer-tropsch reactor for recycling. This method can adjust the reaction extent between first and second grade reaction to control the aimed product structure flexibly and meet the demand of the market.

The present invention relates to a simple and straightforward positive displacement suction / pressure device (rotational clap suction / pressure device) for utilizing in general industrial flow machines, such as various positive displacement pumps, vacuum pumps, compressors, flow meters, and rotary internal combustion engines. The object of the present invention using a double non-uniform rotation is to provide a simple and durable mechanical device having improved efficiency, by replacing the existing linear contact between various types of rotors or between a rotor and a housing, which is a problem in existing positive displacement flow machines and rotary internal combustion engines, with a whole surface.

The invention relates to a low-orbit satellite autonomous orbit determination and attitude determination method based on non-navigation satellite signals. The low-orbit satellite autonomous orbit determination and attitude determination method comprises the following steps of: performing multi-sensor integrated on-orbit calibration; adopting a corresponding orbit determination and attitude determination method according to numbers of control points and matching points and whether navigation satellite signals are available or not in the satellite operation period; because the satellite circularly flies around the earth, constructing a global geographic feature point library by means of an existing geographic feature point library and a geographic feature point library which is continuouslyupdated after the SLAM is introduced, continuously updating an original feature point library during satellite operation, and improving the precision of the original feature point library; and finallyrealizing orbit determination and attitude determination based on the non-navigation satellite signal INS / SS / SMNS after the global geographic feature point library is formed. The low-orbit satelliteautonomous orbit determination and attitude determination method avoids the infeasibility of global arrangement of ground control points, and is suitable for normal operation of the orbit determination and attitude determination system under the condition of abnormal navigation satellites in an extraordinary period. Especially, the establishment of the global geographic feature point library can realize INS / SS / SMNS high-precision orbit determination and attitude determination, thereby greatly improving the security of a spatial information network in an extraordinary period.

The invention discloses a mobile unpowered drinking water device, which comprises: a primary water lifting system, a dosing system, a water purification system, a backwashing system, and a central control system. The mobile drinking water treatment device can It consists of one or more water purification units, which can be combined on site according to the water demand. The process flow of the device is as follows: the raw water enters the flocculation reaction tank through the first-stage water pump, and the medicament enters the flocculation reaction together with the raw water through the tubular mixer. pool, and then enters the membrane pool and is filtered by the low-pressure osmotic membrane module. At this time, most of the suspended solids, colloids, and some bacteria and viruses in the water body are removed. Water is pumped to urban or rural water distribution networks. The water treatment process of the present invention is simple, easy to operate, high degree of automation, good water quality, filter equipment can be made into a container, easy to move, no external pressure in the filter process, long service life, greatly saving costs and maintenance costs, the device It can be used in fields such as military field operations, field building construction, and emergency water use in cities and rural areas.

A ball valve having a cam element, and a ball having a left arm and a right arm with a slot between each arm. A terminal portion of each arm is positioned adjacent the cam element. The cam element is shaped so that, when the ball is rotated from the open condition to the closed condition, the cam element forces the arms through three distances of separation. A first distance, when the ball has undergone no rotation from the fully open condition. A second distance, when the ball has undergone some rotation from the fully open condition towards the closed condition but has not reached the closed condition. A third distance in which the ball has undergone rotation to the closed condition. The third distance is greater than the first distance, and the second distance is greater than the third distance.

The invention discloses a vehicle solenoid valve fault diagnosis addressing circuit, comprising a CPU, a solenoid valve, a logic operation processing circuit, an integrated chip and a display device. The logic operation processing circuit comprises a NAND gate chip, a NOR gate chip and a comparator. In usage, the integrated chip detects the state of the solenoid valve and transmits the detection result to the CPU and the comparator in a voltage form to determine whether the fault exists; if the fault exists, the fault information is outputted to the display device and control of the solenoid valve can be promptly disconnected through a logic operation processing circuit in order to realize the fault addressing. The invention can not only perform the fault diagnosis and addressing on the solenoid valve through the hardware and the software, but is high in accuracy, strong in addressing, high in safety and strong in universality.

The invention discloses a road surface image gray correction method based on a linear array camera. Aiming at the uneven gray level of road surface image caused by the shooting characteristics of linear array camera, the dodging focuses in the horizontal direction, the common thought of global rectification of algorithm at present is improved, the continuous image of a certain road segment taken by a linear array camera at the same time is input as a gray matrix g (x, y), the gray value of each column is taken as the average value vector I (x) of the gray value of the column, and the average value of each element of the gray value vector of the opposite column is subtracted. The result is used as a gray background, the gray background vector is removed from each row of the original gray matrix, and then the gray value correction result is obtained by stretching the gray value vector to [0, 255]. The compensation effect caused by the coexistence of vertical high-gray area and low-gray area can be avoided more effectively by using the method of multi-image column average as background, which makes the image processing result more uniform. Compared with Mask method and Wallis method,the method preserves all the details of the image and is an accurate correction algorithm.

The invention discloses a troweling for road construction. The structure of the troweling for road construction comprises a telescopic cross plate, an expansion frame, a road flattening device with anadjustable length, a road roller body, a driver seat, a driving rear wheel and a cross plate adjuster, wherein the the axis of the road flattening device with the adjustable length is embedded in theexpansion frame; the right end of the telescopic cross plate is embedded in the left end of the road roller body; the left end of the telescopic cross plate is welded together with the right end of the expansion frame and perpendicular to the right end of the expansion frame; the back of the cross plate adjuster is embedded in the telescopic cross plate; the lower end of the driver seat is mounted at the upper end of the road roller body; and the driving rear wheel is embedded in the lower end of the road roller body. According to the troweling for road construction, the length of a working surface can be adjusted according to different widths of road surfaces so that the response ability is stronger; the desired road surface can be troweled only by once operation so that the constructiontime is greatly reduced; and therefore, efficient construction is achieved.

The invention discloses a perovskite precursor solution and an application thereof for preparing a solar cell. The perovskite precursor solution comprises the following components, by mass: 2.56% to 9.46% of methanaminium iodide, 0.13% to 2.35% of methylamine bromide, 3.54% to 11 .90% of formamidine iodide, 28.63% to 53.60% lead iodide, 2.44% to 7.70% of lead bromide, 0 to 10.20% of formamidine chloride, 2.61% to 11 .68% of dimethyl sulfoxide, 14.79% to 35.02% of N,N-dimethylformamide, and 16.85% to 42.49% of gamma-butyrolactone. According to the invention, a light absorption layer of a perovskite solar cell is prepared by using a perovskite precursor solution; spinning coating is carried out in an open atmosphere environment, so that preparation becomes convenient; and after spinning coating, the product is transferred to a vacuum environment to form a non-porous dense large-crystalline-grain-size perovskite light absorbing layer. The high photoelectric conversion efficiency is realized.

The invention relates to the technical field of agricultural machinery, in particular to a double-shaft rotary tillage combined fertilizing and sowing planter. The double-shaft rotary tillage combinedfertilizing and sowing planter comprises a rack, a universal joint, a gear box, a side gear box, a lifting mechanism, a cross beam frame, a mud scraper device and a transmission gear, wherein a suspension device is fixedly arranged above the rack; a seed and fertilizer box is further arranged above the suspension device of the rack; the seed and fertilizer box is fixedly connected with the rack,and the seed and fertilizer box is located behind the suspension device; the gear box is installed at the front end of the rack; the gear box is connected with the side gear box through the universaljoint; the side gear box is fixed to one side of the rack; and a cutter shaft, a grass and mud discharging cutter and a land wheel are sequentially arranged on the lower portion of the rack from frontto back.

The invention discloses a handlebar structure convenient to brake. The handlebar structure is located on the front side of a bicycle body frame, and comprises a handlebar rod, a limiting rod fixed tothe bicycle body frame and a braking line. The braking line comprises an inner core and a shell. A braking hole containing the inner core of the braking line to pass through and blocking the shell ofthe braking line is formed in one side of the limiting rod. A connecting rod is arranged between the handlebar rod and the limiting rod. Two ends of the connecting rod are correspondingly rotatably connected with the handlebar rod and the limiting rod. The limiting rod is internally provided with a connecting groove capable of containing rotation of the connecting rod. The inner core of the braking line extends into the handlebar rod through the braking hole. The handlebar rod is internally provided with a control assembly capable of fixing the inner core of the braking line. The handlebar structure has the beneficial effects that hand griping brake is converted into arm pushing brake, and therefore persons with small hands or little hand strength can use appropriately, and the braking effect is reliable; normal riding of the bicycle body can be conducted after the handlebar rod is completely reset manually, and therefore security is high; and the higher the bicycle speed is, the better matching of the inertia braking is, and emergency response capacity is high.

The invention discloses a foundation rubber pad aging automatic replacement device for rail transit fault diagnosis. The invention relates to the technical field of rail transit fault diagnosis. The device specifically comprises a base, a multidirectional clamping mechanism, an aging detection mechanism, a storage box and a second conveyor belt; the lower end of the base is connected with a double-axle four-wheel drive structure; a baffle is fixed to one side of a transmission frame; a back plate is arranged at one end of a reversing mechanism; a bevel gear is arranged at the middle end of a long shaft; a waste tank is arranged at the bottom of the aging detection mechanism. The foundation rubber pad aging automatic replacement device for rail transit fault diagnosis comprises the double-axle four-wheel drive structure and independent driving motors are arranged at the four supporting legs and matched with a differential mechanism arranged at the middle end of the base, so that the left bevel gear and the right bevel gear cannot rotate at the same time under the action of the middle bevel gear, a vehicle body cannot incline, and the stability of the vehicle body is improved; the device is suitable for adapting to different complex road surfaces in daily railway track maintenance, and the working efficiency is higher.

The invention provides an optical fiber cutter sliding block using an elastic blade support. The optical fiber cutter sliding block comprises the elastic blade support, a blade, a blade support shaft, a blade support bearing, a blade support magnet, a sliding block body, a linear guide rail, a blade support limiting stopper and the like. According to the optical fiber cutter sliding block, a rigid cutting mode based on the relative initial positions of the blade and the optical fiber is changed into a flexible cutting mode based on the contact pressure of the blade and the optical fiber and capable of adjusting the pressure, so that the cutting quality and stability of the optical fiber are improved, and meanwhile, the requirements of the optical fiber cutter on material processing are reduced.

The invention discloses a gas station automatic safety protection system which comprises a superior management center used for remote control, a management control mainframe used for obtaining and processing site signals, an alarm unit, a sensing unit, an oil valve and a main controller used for performing automatic control and / or manual control on oil circuits and electric circuits of a gas station based on processing results of the management control mainframe, wherein the management control mainframe is connected with the superior management center through a network interface; the alarm unit, the sensing unit and the main controller are respectively connected with the management control mainframe; and the main controller is used for converting 380 V input power supply into power supply of an oiling machine which can be controlled through program and the oil valve and respectively connected with the oil valve and the oiling machine. The system can overcome the disadvantages of large amount of labor, poor response ability to emergency, poor safety, low reliability and the like in the prior art so as to realize the advantages of high level of automation, strong ability to emergency, high safety and high reliability.

Disclosed is a bridge self-adaptive wind vibration restraining device. The device is arranged in a main beam of a bridge and comprises a horizontal vibration restraining assembly, the horizontal vibration restraining assembly comprises flow guide plates arranged in pairs, and the flow guide plates are arranged in the circumferential direction of the main beam and move in a reciprocating mode in the first direction so as to stretch out of or retract into the main beam; the flow guide plates arranged in pairs move face to face or relatively along the first direction; the device also comprises a vertical vibration suppression assembly comprising a stabilizing plate, the stabilizing plate is arranged at the bottom of the main beam, the stabilizing plate reciprocates in the second direction so as to stretch out of or retract into the main beam, and the first direction is perpendicular to the second direction; and a vibration reduction system comprising a linkage piece and a vibration reduction piece, the linkage piece is connected with the flow guide plate and the stabilizing plate, wherein the vibration reduction piece is used for limiting movement of the flow guide plate or the stabilizing plate. Parameters of original parts can be adjusted in time along with vibration of a bridge so as to meet the vibration suppression requirements of the bridge with different wind vibration performance requirements, and the self-adjustment problem of different wind vibration control of the large-span bridge is solved.

The invention provides a coping method and a coping system for transforming dry coke quenching into wet coke quenching in a blast furnace. The coping method includes: constructing a case library for coke dry quenching to wet coke quenching; comparing the furnace condition characterization parameters of the wet coke quenching period with the furnace condition characterization parameters of the coke dry quenching period of each case, and determining the response to the case Strategy quality: Determine the furnace condition characterization parameter standards for the optimal timing of coke dry quenching to wet coke quenching, and build a case library for optimal timing, in which the furnace condition characterization parameters during the dry coke quenching period of each case match the furnace condition characterization parameter standards ; When the current furnace condition characterization parameters match the furnace condition characterization parameter standards, a reminder is generated that it is currently suitable for coke dry quenching to wet coke quenching; the current operating parameters, furnace body data, charge data and optimal timing case database have good quality response strategies Each case is compared, referring to the operating parameters of the wet quenching period of the case with a high degree of matching, and the current coping strategy for the conversion from dry coke quenching to wet coke quenching is generated.

The present invention provides an adiabatic multitube for superconducting power transmission that highly suppresses the intrusion of heat from the outside by radiation without using a super insulator, has excellent adiabatic performance, and can be manufactured simply. A heat-insulating multiple tube for superconducting power transmission is a heat-insulating multiple tube for superconducting power transmission provided with a superconducting cable and a multiple tube for accommodating the superconducting cable, the multiple tube is composed of a plurality of straight tubes, and the multiple At least one of the straight pipes has a coating layer containing metal powder on its surface.

The invention discloses a steel box body buckle hat type temporary construction road, and relates to the technical field of road construction, in particular to a pavement technology of a temporary road in a construction site. The steel box body buckle hat type temporary construction road comprises a plurality of box body assemblies which are sequentially connected, the box body assembly in each group comprises a rectangular steel plate box body, I-shaped steel, a steel buckle hat, a fixator, a sleeve and a fixing pile, an opening is formed in the lower end of the rectangular steel plate box body, the sleeve is vertically arranged, and the fixing pile is vertically arranged; the I-shaped steel and the steel buckle hats are welded at the top parts of the inner sides of the steel plate box bodies; the upper surfaces of the steel buckle hats are flat surfaces, and the lower surfaces of the steel buckle hats are concave semi-spherical surfaces; the upper parts of the sleeves are semi-spherical bodies and are arranged in the semi-spherical surfaces of the steel buckle hats in a matching way; the lower parts of the sleeves are arranged at the upper parts of the fixing piles in a sleeving way; the sleeves are connected with the I-shaped steel through the fixators. Compared with a traditional temporary construction road, the steel box body buckle hat type temporary construction road disclosed by the invention has the advantages that the requirements on a site are lower, the steps are simple, the assembly is quick, and stronger response capacity on route change and pipeline change is obtained; meanwhile, turnover use can be realized, and green construction is ensured.

The invention discloses a quick collection system for distributed internet data. The system comprises five layers including a seed website setting node, a hyperlink collection layer, a real-time queue, a webpage downloading and parsing layer and a webpage data storage layer, wherein the seed website setting node is used for setting each parameter and each extracting rule for storing a data source; the hyperlink collection layer is used for requesting the hyperlink list webpage of the data source and extracting the hyperlink of a target webpage; the real-time queue is used for accessing a URL (Uniform Resource Locator) hyperlink extracted by the hyperlink collection layer, the extraction rule corresponding to the URL hyperlink and the accessed URL hyperlink; the webpage downloading and parsing layer is used for requesting and parsing the URL hyperlink which is not accessed in the real-time queue and carrying out formatting extraction on specific data; and the webpage data storage layer is used for storing target data obtained by the formatting extraction carried out by the webpage downloading and parsing layer. By use of the system, data collection is carried out by a distributed layered cooperation way, and the system application requirements including high data collection quantity, more data sources and high instantaneity requirements can be coped with.

The invention discloses a semantics-based wireless sensor network service discovery method, which comprises the steps of: S1, abbreviating the semantics-based wireless sensor network service discovery method as SSD; S2, assuming that each node has a unique ID mark; S3, and establishing a service body model based on service scenarios. The semantics-based wireless sensor network service discovery method avoids high deployment cost of a wireless sensor network, and has good coping effect while the requirements for sharing the wireless sensor network in various kinds of applications and reutilizing the wireless sensor network is increasing; the semantics-based wireless sensor network service discovery method adopts a semantics-based service discovery mechanism, and greatly increases a precision ratio of wireless sensor network service discovery; and the semantics-based wireless sensor network service discovery method considers service node attributes and attributes of an environment where a node is positioned besides service itself, and effectively improves service quality. In general, the semantics-based wireless sensor network service discovery method increases the precision ratio of service discovery, and improves service discovery quality.

The invention provides a file exception identification method, apparatus and device, and a computer readable storage medium. The method comprises the steps of obtaining a to-be-identified file; determining whether the to-be-identified file contains file features stored in a yara engine feature library or not through a yara engine; if the to-be-identified file contains the file features stored in the yara engine feature library, determining that the to-be-identified file is an abnormal file; and if the to-be-identified file does not contain the file features stored in the yara engine feature library, determining that the to-be-identified file is a non-abnormal file. By adopting the method and the device, the file exception identification efficiency can be improved, the file exception handling capacity is high, and the applicability is high.

The invention discloses an ictalurus punetaus breeding method. The ictalurus punetaus breeding method comprises the following steps: (1) parent fish breeding; (2) fish pond treatment; (3) fish fry culture; (4) intercropping of plagiognathops microlepis fingerlings; and (5) adult fish management, namely a, mixing of poison bait; b, saprolegniasis prevention and control; c, control of ammonia poisoning; and d, water conversion first aid. According to the ictalurus punetaus breeding method, a systematized and scientific whole-process breeding method is provided from parent fish breeding of ictalurus punetaus, fish fry culture to later adult fish management. Compared with an existing breeding method, the systematized and scientific whole-process breeding method has the advantages that overall planning is realized on the breeding cycle and investment of labor and materials. The breeding method has high breeding density, enables the ictalurus punetaus to grow fast, has excellent response on diseases and emergency situations, and has remarkable social benefits and economic benefits.