50results about How to "Weaken influence" patented technology

The invention belongs to the technical field of network security, and provides a device comparison and abnormal device identification method and system based on network topology, and the technical scheme is as follows: firstly, on the basis of an SNMP protocol, a network device topology active discovery method is designed to obtain a topology connection relationship, and secondly, the topology connection relationship is obtained through a topology device comparison method; and comparing the planning topology network with the real topology network, and finally constructing a method for identifying the abnormal key equipment based on a PageRank improved algorithm and time decay. According to the method, the problem that the difference between the actual topology and the planned topology cannot be compared in the prior art can be solved, the abnormal key equipment identification method is realized, and technical support is provided for automatically discovering assets and helping a user to master the network operation condition.

The invention belongs to the technical field of edible oil production quality detection, and particularly relates to a rapid detection method and system for sesame oil quality evaluation. A sampling data preprocessing mode in combination with dielectric constant data of sesame oil samples is provided in a spectral data sampling stage, so that sampling data errors are reduced, and a data foundation is laid for subsequent accurate evaluation of sesame oil quality; meanwhile, when the standard relational expression is established, firstly, eight standard points for establishing the standard relational expression are obtained through solution preparation, then one standard point is abandoned for the eight standard points to establish an initial standard relational expression, and different numbers of standard points are generated by considering the concentration difference value obtained through calculation of the abandoned points and the standard relational expression; in this way, the influence of inaccurate standard points is weakened, and then the standard relational expression is established according to all the standard points, so that the standard relational expression is established more accurately.

The invention discloses a classification model training method, a related method, a device, equipment and a medium. Comprising the steps of obtaining an unknown prediction result, a newly-added prediction result and a known prediction result for sample features of a first sample object based on a preset class increasing model; determining classification loss according to a target classification result and a category label obtained by classification of the unknown prediction result, the newly added prediction result and the known prediction result; a class increasing classification model is obtained through classification loss training; inputting the second sample object into the known class classification model and the increased class classification model, and optimizing the known class classification result according to the increased class classification result and the correction parameter; and determining fine tuning loss according to the known class optimization result, the increased class classification result and the class label, performing fine tuning on the correction parameter according to the fine tuning loss to obtain a fine-tuned correction parameter, and obtaining a target classification model based on the fine-tuned correction parameter, the known class classification model and the increased class classification model. According to the method, the classification accuracy can be still improved under the condition that the classification categories are newly added.

The invention relates to the field of food processing, and particularly discloses yeast improved frozen dough and a preparation method thereof. The yeast-improved frozen dough comprises the following raw materials in parts by weight: 800-1000 parts of a flour mixture, 3.2-4 parts of a yeast composition, 0.8-1 part of table salt, 4-5 parts of sugar, 400-500 parts of distilled water and 5-6.25 parts of a freezing improver, and the yeast composition comprises selenium-enriched yeast, silver carp zymolyte, calcium chloride and short-cluster-shaped maltodextrin in a mass ratio of 1: (0.4-0.8): (0.1-0.2): (0.3-0.5). The frozen dough has the advantages that the survival rate and activity of yeast can be improved, the gluten protein structure is increased, the specific volume and texture characteristics of flour products are improved, and the taste is improved.

The invention relates to the technical field of ocean engineering deep-sea mining equipment, in particular to a multi-metal nodule desliming device suitable for deep-sea mining, which consists of a mineral aggregate input connecting flange, a mineral aggregate input transition cabin, a mineral aggregate enrichment cabin, a waste discharge cabin, a desliming screen, a screen fixing frame, a screen fixing screw and a waste discharge guide plate. The mineral aggregate input connecting flange is located at the front end of the multi-metal nodule desliming device and used for being connected with the multi-metal nodule collecting and conveying device, the mineral aggregate input transition cabin is tightly connected with the mineral aggregate input connecting flange, and a square opening is formed in the rear end of the mineral aggregate input transition cabin. The shape of the front end of the mineral aggregate input transition cabin is the same as that of the mineral aggregate input connecting flange.

The invention relates to the technical field of general control or regulation systems, in particular to a prestressed concrete cast-in-place continuous construction control system. Firstly, linear monitoring data and construction parameter monitoring data of the first N beam sections are obtained through the data monitoring module, linear prediction data of the (N + 1) th beam section are obtained through a GA-grey prediction model of the linear control module, and then stress prediction data of the (N + 1) th beam section are obtained through a time decay LSTM model of the stress control module. Finally, the self-adaptive learning rate is dynamically adjusted through a self-adaptive correction algorithm of the construction parameter control module, and the construction parameters of the (N + 1) th beam section are corrected. According to the system, through mutual cooperation of the data monitoring module, the linear control module, the stress control module and the construction parameter control module, accurate linear control, stress control and construction parameter control are achieved, and then it is guaranteed that the implementation control module can complete reliable and stable construction control.

The invention relates to a road boundary width identification method and device, a radar and a readable storage medium. The method comprises the following steps: obtaining point cloud information collected by a vehicle radar, performing position division on all static point clouds according to a plurality of distance resolution units preset in a plurality of target detection directions of the vehicle radar and transverse positions of the static point clouds, and determining a target distance resolution unit where a peak value of the number of the point clouds in each target detection direction is located; for each target detection direction, determining the single-side road boundary measurement width of the current frame in the corresponding target detection direction according to the distance value corresponding to the target distance resolution unit; filtering the single-side road boundary measurement width of the corresponding current frame according to the road width historical information to obtain the filtered single-side road boundary width of the current frame; and false targets in the stationary point cloud can be detected based on the single-side road boundary width of the current frame. By adopting the method, the detection performance of the radar in a closed scene can be improved.

The embodiment of the invention provides a multi-target tracking method and device, a storage medium and electronic equipment, and the method comprises the steps: carrying out the matching of each to-be-matched track and an observation target according to a three-dimensional matching parameter, and obtaining a three-dimensional matching probability corresponding to each to-be-matched track; matching each to-be-matched track with the observation target according to the two-dimensional matching parameters to obtain a two-dimensional matching probability corresponding to each to-be-matched track, the two-dimensional matching parameters are used for evaluating the matching degree between the two-dimensional projection corresponding to each track to be matched on a specified two-dimensional plane perpendicular to the horizontal plane and the two-dimensional projection of the observation target; fusing the three-dimensional matching probability corresponding to each track to be matched and the two-dimensional matching probability corresponding to each track to be matched into a fusion matching probability corresponding to each track to be matched; and when the observation target is determined to be matched with the target tracking trajectory based on the fusion matching probability corresponding to each to-be-matched trajectory, updating the target tracking trajectory by using the observation target.

The present application relates to the technical field of industrial sewing visual control, in particular to a threading and back threading control method and system based on visual identification, comprising: acquiring a multi-view monitoring image sequence in real time through a high-definition industrial camera, obtaining visual data of a sewing needle, a sewing thread, cloth and a reference point through image enhancement and feature extraction. An improved algorithm is used to combine the sewing thread material and the cloth texture to construct a physical travel constraint model, generate an optimal threading path and convert it into a servo control instruction. The sewing thread deviation, tension abnormality and sewing needle drift are detected in real time, the correction amount is calculated according to the deviation vector and the cloth state, and the trajectory is re-planned. When the thread is broken or wound, the fault point is located through vision, and a back threading path that bypasses the obstacle area is planned. The present application improves the adaptability of the path to the actual working condition, realizes dynamic closed-loop correction, reduces the threading deviation and tension fluctuation, avoids secondary interference in the back threading process, and ensures stable and accurate execution of the threading and back threading actions.

The invention provides a low noise amplifier. The low-noise amplifier comprises a first-stage amplification circuit, a second-stage amplification circuit and at least one third-stage amplification circuit, the first-stage amplification circuit, the second-stage amplification circuit and the third-stage amplification circuits are connected in sequence and are used for amplifying input signals stage by stage and outputting the signals amplified stage by stage; a resonant network is arranged in the third-stage amplification circuit, and the frequency difference between the resonant frequency of the resonant network and the transmitting frequency band is within a preset error range, so that signals in the transmitting frequency band are coupled to the ground. According to the invention, the performance of the whole receiving link can be considered while the transmitting frequency band signal is suppressed.

The present disclosure relates to an imaging system and method for radiographic inspection. The imaging system for radiographic inspection includes an inspection area including an imaging area; a first ray source assembly, all the first target spots of which are arranged in a first ray source plane; a first detector assembly, the plurality of first detector units of which are arranged in a detector plane, the detector plane and the first ray source plane are spaced apart from each other in a travelling direction of the object under inspection with a predetermined distance; and a ray source control device, configured such that when the region of interest of the object under inspection is at least partially located in the imaging area, the first ray source assembly emits X-rays simultaneously from at least two first target spots to the imaging area at the same time, wherein among the at least two first target spots of the first ray source assembly that simultaneously emit X-rays to the imaging area, a ray emission range of each first target spot can cover the imaging area, and the first detector crystals corresponding to the ray emission ranges of any two first target spots do not coincide with each other.

An electric current sensor device (7) includes a conductor (11), a detector (21) detecting magnetism generated by a current flowing through the conductor (11), a board (14) on which the detector (21) is mounted, and a heat dissipation member (16) coupled to the conductor (11) in a thermally conductive manner, the heat dissipation member dissipating heat of the conductor (11). The heat dissipation member (16) is disposed on a side opposite to the board (14) with respect to the conductor (11) in a stacking direction (Dz), and is coupled to the board (14) in a thermally conductive manner.

The invention discloses a raw material monitoring system for liquor making, and particularly relates to the field of raw material quality monitoring and risk assessment, which comprises a data arrangement module, an index screening module, a response generation module, a difference value identification module and an architecture correction module, the data arrangement module performs time alignment processing on each raw material index by collecting raw material index data of a plurality of batches, and arranges the raw material indexes according to the batches to form an index sequence; filling each index sequence into a sliding window with a fixed width, counting a fluctuation value and a change slope of each sliding window, and outputting an initial index set; by constructing a risk assessment mechanism based on combination of batch integral trend judgment and multi-channel disturbance response identification, effective identification and model correction of low-fluctuation but long-term offset raw material indexes are realized, so that the problem that slow evolution type risk signals cannot be sensed and handled in an existing system is solved.

In order to reduce an influence of disturbance propagation noise inside and outside a signal detection device and improve signal detection accuracy, the present disclosure provides a signal detection device including: detection equipment including a photoelectric conversion element configured to convert a photon as a detection target into a current signal, and a current-voltage converter configured to convert the current signal into a voltage signal; a transmission unit configured to transmit the voltage signal; and a data collection unit configured to detect and collect the transmitted voltage signal. Here, the detection equipment is disposed inside a first shield case connected to a frame ground. The current-voltage converter includes a differential amplifier having first and second input terminals, the first input terminal is connected to a first output terminal of the photoelectric conversion element via a first input resistor, the second input terminal is connected to a second output terminal of the photoelectric conversion element and a ground via a second input resistor having a resistance value larger than that of the first input resistor. First and second output terminals of the current-voltage converter are connected to the data collection unit by a cable transmission unit. The cable transmission unit is connected to the ground together with the current-voltage converter and the data collection unit (see FIG. 1).

The invention relates to the technical field of beneficiation reagents, in particular to a micro-fine particle cassiterite combined collecting agent and a preparation method and application thereof. The collecting agent is composed of the following raw materials of, by weight, 40-60 parts of benzohydroxamic acid, 20-30 parts of octyl hydroxamic acid, 5-10 parts of sodium oleate and 10-20 parts of sodium hydroxide. The preparation process comprises the following steps: uniformly mixing the weighed raw materials, putting the uniformly mixed raw materials into a stirrer, and adding water into the stirrer according to the weight ratio of the raw materials to the water being 1: (2-3); and heating to 60-70 DEG C, and continuously stirring for 30-45 minutes until the raw materials are fully dissolved to obtain the micro-fine particle cassiterite combined collecting agent. The prepared micro-fine particle cassiterite combined collecting agent is stable and not prone to failure, the raw material composition has low influence on the environment, and the collecting agent is safe and environmentally friendly. The mode of pre-desliming and then flotation is adopted for recycling micro-fine particle cassiterite in minerals, the influence of fine silt on follow-up tin flotation is weakened, and consumption of flotation reagents by the fine silt is reduced.

The utility model discloses a motor, comprising a bearing bush cover which is provided with an air inducing surface; the rotor is provided with a rotating shaft, and the rotating shaft is rotatably arranged in the bearing bush cover in a penetrating manner; the air inducing baffle is fixedly connected to the rotating shaft, and the air inducing baffle and the air inducing face are oppositely arranged; wherein one of the air inducing face and the air inducing baffle is provided with an annular groove, the other one of the air inducing face and the air inducing baffle is provided with a protrusion, and the protrusion can stretch into the annular groove and rotate in the annular groove so as to disturb air flow between the air inducing baffle and the air inducing face. According to the utility model, the bulge rotates in the annular groove to generate turbulent flow and a high-pressure environment between the air inducing baffle and the air inducing surface, and the turbulent flow and the high-pressure environment in the area resist the direct pumping of negative pressure formed by a cooling fan to the bearing bush seat, so that the phenomena of oil leakage and the like of a sealing part of the bearing bush seat in the negative-pressure environment are avoided.

Embodiments of the present application provide a display panel and a display device. The display panel comprises: a substrate; a plurality of signal lines located on one side of the substrate; a plurality of light emitting elements located on the side of the signal lines away from the substrate; wherein the signal lines comprise overlapping portions, in a direction perpendicular to the display panel, the orthogonal projection of the overlapping portions on the substrate is located within the orthogonal projection of the light emitting elements on the substrate; in the direction perpendicular to the display panel, the light emitting layer overlaps with N overlapping portions, wherein N >= 2 and N is an integer; the shapes of at least two overlapping portions are different. The present application can weaken the influence of scattered light of the light emitting elements on the display effect and improve the display quality.

This utility model discloses a device carrier structure with environmental monitoring and intrusion alarm, belonging to the technical field of device carrier structures. This device carrier structure includes a mobile carrier for loading workpieces. A vertical plate is fixedly installed on the mobile carrier along its four sides. A limiting plate for limiting the device is movably disposed inside the vertical plate. An environmental monitoring module is fixedly installed on the vertical plate, and the environmental monitoring module is equipped with an audible alarm module. A distance detection mechanism for monitoring intrusion behavior is provided on the vertical plate, and a drive mechanism for adjusting the clamping force of the workpiece by the limiting plate is provided on the mobile carrier. The drive mechanism keeps the workpiece stably loaded on the mobile carrier. By detecting the surrounding environment of the device carrier and intrusion behavior, the moving limiting plate ensures the workpiece is stably placed in the mobile carrier, improving the stability and protection of the device carrier structure.

The invention provides a fluorapatite phosphorite reverse flotation magnesium removal collecting agent and application thereof.The fluorapatite phosphorite reverse flotation magnesium removal collecting agent comprises basic substances and water, and the basic substances comprise fatty acid soap, a surfactant and an auxiliary agent according to the mass ratio of 11: 3: 2; the fatty acid soap is one or a mixture of sodium oleate and oxidized paraffin soap; the surfactant is one or any ratio of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, lauryl sodium sulfate, sodium citrate, sodium acetate and sodium benzoate; according to the fluorapatite phosphorite reverse flotation magnesium removal collecting agent, apatite and dolomite can be effectively separated, the collecting capacity and selectivity of the fluorapatite phosphorite reverse flotation magnesium removal collecting agent are remarkably improved by adding the surface active agent and the auxiliary agent, and meanwhile the influence of Fe < 3 + > introduced in the ore grinding process on a flotation system is weakened through the surface active agent component.

This magnetic encoder (10) is provided with: a first member (48) including a first wall part that has formed therein an insertion through-hole (54) through which a rotary body (14) is passed; and a second member (52) including a second wall part (56). A permanent magnet (42) and a magnetic sensor (44) for detecting a change in the magnetic field formed by the permanent magnet (42), are disposed between the first wall part (48) and the second wall part (56). In this configuration, the first member (48) and the second member (52) are composed of a soft steel that contains at most 3.0 wt% of carbon.

The invention provides a stibnite and arsenopyrite flotation separation method which comprises the following steps: sorting and crushing an ore sample containing stibnite and arsenopyrite, and grinding the ore sample to serve as a flotation sample; stibnite, arsenopyrite and water are mixed into ore pulp, and the pH value is adjusted; adding a certain amount of oxidizing agent into the ore pulp and stirring; adding a certain amount of inhibitor into the ore pulp and stirring; adding a certain amount of collecting agent and foaming agent into the ore pulp, and stirring; the obtained ore pulp is subjected to froth flotation, froth products and tank bottom products obtained after flotation are filtered, dried and tested respectively, and the recovery rate is calculated. The oxidizing agent and the metal ion-organic inhibitor complex solution are used as the combined inhibitor, the combined inhibitor is simple in preparation process and process, low in cost and easy to obtain, the medicament cost is saved, the used medicament is simple, other equipment is not needed, the method is environment-friendly, the economic benefit is remarkable, and the method is suitable for industrial production.

The present application discloses a tunnel scene recognition method, device, equipment, storage medium and product, which relates to the field of sensor technology, including: detecting the scene to be recognized based on millimeter wave radar to obtain detection data frames; obtaining target detection features according to the detection data frames; target detection features include: the variance of the pitch angle of the stationary point trace, the proportion of the stationary point trace directly in front of the vehicle, the number of close-range point traces and the proportion of close-range high signal-to-noise ratio point traces; classifying the scene to be recognized based on the target detection features to obtain scene classification results; determining the single-frame tunnel probability of the scene to be recognized according to the scene classification results. Since multiple point trace distribution features are used as parameters, the distribution features of the stationary point traces at far and near can be fully considered, and a classification model is used to distinguish tunnel scenes from non-tunnel scenes. On the one hand, the influence of pitch accuracy on the recognition results is weakened, and on the other hand, there is no need to find the boundary between the tunnel scene and non-tunnel scene features, thereby improving the recognition efficiency.

The present invention proposes a control method and system for protecting a vacuum pump, the method comprising: using a temperature sensor to sense the temperature of a pump casing in real time; step 1, according to the temperature of the pump casing, the PLC mainboard of the vacuum pump determines whether it is necessary to turn on the fan of the unit and change the speed; step 2, according to the temperature of the pump casing, the PLC mainboard of the vacuum pump determines whether the motor needs to run to the first speed. The present invention solves the problem of heat dissipation of the unit and the problem of temperature difference between the inside and outside of the unit.

The invention discloses a symmetrical gallium nitride (GaN)-based high electron mobility transistor (HEMT) structure and a preparation method thereof. The HEMT structure comprises a GaN layer, a mask layer, a GaN three-dimensional triangular island, an Al < x > Ga < 1-x > N layer, an insulating dielectric layer and functional electrodes, wherein the upward crystal face of the GaN layer is a non-polar face. The GaN island of a three-dimensional structure is obtained by utilizing selective area epitaxy and combining lateral epitaxy, the GaN island naturally forms a bilaterally symmetrical structure due to the crystal attribute, HEMT prepared in pairs based on the characteristic has the consistency of an atomic level, bilaterally symmetrical semi-polar surface AlGaN / GaN heterojunctions can generate two-dimensional electron gas (2DEG) of which the concentration is convenient to control, and the HEMT has the advantages that the HEMT is simple in structure and high in efficiency. The paired GaN-based HEMT with high quality, high performance and high consistency is realized, and the GaN-based HEMT can be applied to a mirror current source circuit, a differential amplification circuit and the like, and has better consistency and stability compared with a traditional device.

An observation apparatus 1A includes a light source 11, a mirror 22, a condenser lens 24, an objective lens 25, a beam splitter 41, an imaging unit 43, and an analysis unit 60. The analysis unit 60 includes an interference intensity image acquisition unit 61, a first complex amplitude image generation unit 62, a second complex amplitude image generation unit 63, a phase conjugate operation unit 64, a two-dimensional phase image generation unit 65, a three-dimensional phase image generation unit 66, and a refractive index distribution calculation unit 67. The analysis unit 60 irradiates an observation object S with light along each of a plurality of light irradiation directions by changing an orientation of a reflection surface of the mirror 22, acquires an interference intensity image at a reference position for each of the plurality of light irradiation directions from the imaging unit 43, and performs necessary processing based on the interference intensity images to obtain a three-dimensional phase image of the observation object. Thus, an observation apparatus capable of observing an observation object while reducing influence of multiple scattered light is realized.

Provided is an electrolyte measuring structure that can reduce the influence of the retention of a sample solution on a measured value, perform accurate measurement, and smoothly perform replacement work of an ion-selective electrode. The electrolyte measuring structure that can be connected to another electrolyte measuring structure via a sealing material, includes a main body 401 having a flow path 401a therethrough, a fixing structure 404 having a fixing recess for fixing a sealing material 405 to the main body 401, and the sealing material 405. The sealing material 405 is an elastic body in which a sheet region and a protrusion region to be fixed to the fixing structure are integrally molded. In a state where the sealing material 405 is fixed to the fixing structure 404 and is not in contact with the other electrolyte measuring structure, a protrusion amount of a first portion that protrudes the most on a front surface of the sheet region is larger than a protrusion amount of a second portion that protrudes the most on a front surface of the protrusion region.

The releasing type two-way pressure-resistant water injection packer comprises a packing mechanism, an anchoring mechanism is arranged above the packing mechanism, the anchoring mechanism comprises an upper cone, a lower cone and a lower cone, the outer conical surface of the lower end of the upper cone abuts against the inner side of the inner conical surface of the upper end of a slip, and the outer conical surface of the lower cone abuts against the inner side of the inner conical surface of the upper end of the slip. The outer side of the slip is fixedly provided with a slip return spring, and the slip return spring abuts against the inner wall of the slip sleeve; the outer conical surface of the upper end of the lower cone abuts against the inner side of the inner conical surface of the lower end of the slip; the slip sleeve is located on the periphery of the upper cone, the slip and the lower cone and provided with a slip groove for the slip to stretch out and draw back in the radial direction. According to the releasing type bidirectional pressure-resistant water injection packer, the phenomena that locking fails or unblocking is conducted in advance, and unblocking cannot be conducted forcibly due to frequent changes of stress loads of the setting locking mechanism caused by wriggle of a tubular column can be avoided, the validity period of the water injection packer is prolonged, and the reliability of later unblocking is improved.

The invention discloses a non-polar surface micro light-emitting diode (Micro-LED) with an independent mesa structure and a preparation method of the non-polar surface micro light-emitting diode (Micro-LED), full relaxation of an epitaxial structure is realized based on selective area epitaxy and lateral epitaxy, and generation of defects in an epitaxial layer can be effectively inhibited. Meanwhile, mutually independent Micro-LED functional layers such as quantum wells are grown on mutually independent mesas, so that the Micro-LED can be prepared without etching damage of the quantum wells, the etching damage of the quantum wells caused by reducing the size of the LED through process etching in a traditional scheme and non-radiative recombination additionally caused by the etching damage of the quantum wells are eliminated, and the efficiency of the Micro-LED is effectively improved. The invention provides a new structure and a new method for preparing the Micro-LED, and is beneficial to promoting commercial application of the Micro-LED.

The present invention relates to the field of data processing technology, and in particular to a data analysis method and system for TCM constitution identification and conditioning. When processing data for TCM constitution identification and conditioning, the present invention first divides the data into questionnaire data and doctor diagnosis data. For the questionnaire data, the data is divided into multiple types according to whether the data in the questionnaire data is easy to identify. Different data mapping methods are used for different types of data, thereby improving the accuracy of data mapping and further improving the accuracy of data processing. At the same time, in view of the characteristics that the data for TCM constitution identification and conditioning have different collection subjects, the method of setting accuracy weight assignment is used to set different accuracy weights for different types of data, thereby weakening the influence of inaccurate data on the results as much as possible, thereby improving the accuracy of TCM constitution identification data analysis.

The present invention relates to the technical field of general control or regulation systems, and specifically to a prestressed concrete cast-in-place continuous construction control system. First, the linear monitoring data and construction parameter monitoring data of the first N beam segments are obtained through a data monitoring module, and then the linear prediction data of the N+1 beam segment is obtained through the GA-grey prediction model of the linear control module. Then, the stress prediction data of the N+1 beam segment is obtained using the time-decayed LSTM model of the stress control module. Finally, the adaptive learning rate is dynamically adjusted through the adaptive correction algorithm of the construction parameter control module to correct the construction parameters of the N+1 beam segment. The system realizes precise linear control, stress control and construction parameter control through the mutual cooperation of the data monitoring module, the linear control module, the stress control module and the construction parameter control module, thereby ensuring that the implementation control module can complete reliable and stable construction control.