48results about How to "Solve the difficulty of choosing" patented technology

The invention belongs to the technical field of eye movement tracking, and discloses an eye movement interaction method, system and device based on eye movement tracking technology, and the method comprises the steps: setting a passive adsorption gaze cursor or an eye movement interaction intention of a sensing area and predicting an active adsorption gaze cursor to select a target; setting corresponding sensing areas, namely effective clicking areas, for different targets, when the cursor makes contact with or covers the sensing area of a certain target, whether eye movement behaviors such aseye tremor exists or not, detecting whether the glancing distance exceeds a threshold value or not at the same time, and absorbing or highlighting then the target object. A machine learning algorithmis adopted to train the eye movement behavior data of the user, the data is filtered, processed and analyzed, an eye movement behavior rule is trained, and a subjective consciousness eye movement interaction intention model of the user is obtained. Through the method, the stability and accuracy in the eye movement interaction process are improved, and the user experience of eye movement interaction is improved.

The invention discloses an intelligent audio-video selection method and relates to the field of vehicle-mounted and mobile terminals. According to the method, geographical location information of a user is acquired according to location information of the user, detailed scenes of the place where the user is located are analyzed, audio and video files belonging to scene types of the user are actively recommended to the user, the corresponding audio and video files are regulated automatically according to feedback of the user, and listening and watching habits of the user are adapted and matched automatically, so that the problem of difficulty in selecting from massive audio and video resources by the user is solved, meanwhile the problem of driver distraction caused by manual regulation and audio-video change in the driving process is solved, and driving safety is improved.

The invention discloses an unsupervised image division method based on a multi-target immune cluster integration technology, which mainly solves the problems of poor global optimization capability, single evaluation index, single division scheme form and difficult selection of a plurality of division schemes in the traditional technology. The method comprises the following steps of: (1) extracting gray scale information and wavelet energy information of an image to be divided; (2) sampling the image by using an area-based sampling policy to generate a test sample set; (3) selecting different characteristic vectors to form a plurality of test sample sets; (3) generating a primary division scheme by using an evolution cluster based on a multi-target immune algorithm; (5) integrating and learning an optimal division scheme in the primary division scheme; (6) marking the class of the pixel points of the image according to the selected division scheme; and (7) outputting the image division result. The invention has advantages of high average accuracy in image division and strong robustness and is applicable to the obtaining of image information and the division of image texture.

The invention discloses a television based application program recommending method. The method includes firstly establishing a data base to store information of times of application program using by a user, then generating a starting coefficient of an application program according to the stored information of times of application program clicking by the user in the data base when the user selects to randomly start the application program, and finally finding out the application program which has a maximum starting coefficient and starting the application program with the maximum starting coefficient. By means of the television based application program recommending method, on one hand, the problem that the user is difficult to select one application program when facing numerous television application programs is solved and the application program using is further interesting, and on the other hand, more application programs can be recommended to the user and the popularization of the application programs is facilitated.

The invention discloses an interactive guiding and identifying intelligent wardrobe and a using method. The intelligent wardrobe includes a hardware device and a software system. The hardware device includes an intelligent clothes hanger, a camera, a displayer, a computer and a storage device, wherein the intelligent clothes hanger is arranged in a wardrobe body and has an indicator light guidingand identifying function, and the camera, the displayer and the computer are arranged outside the wardrobe body; the software system is deployed in the computer and includes a clothing identificationmodule, a clothing management module, a reference information module, a guiding and identifying module, a clothing collocation module, a human-computer interaction module and a user management module.The interactive guiding and identifying intelligent wardrobe identifies and reads clothing information through an image identification system, achieves intelligent classification and intelligent collocation on clothes of a user, guides the user to find the location of the clothes as soon as possible through an indicator light guiding scheme, and solves the problem of difficulty of the user in finding the clothes.

The invention relates to a dense medium suspension liquid coal slurry content determination method by using principal component analysis and a support vector machine, which belongs to coal slurry content industrial detection methods. The method is characterized in that a plurality of principal components are constructed by utilizing the principal component analysis method, so as to facilitate the dimensionality reduction treatment of high-dimensional pressure difference data in the static settling process of dense medium suspension liquid, and a training sample is formed after extracting the principal components; an epsilon type support vector regression machine is further used for establishing a coal slurry content measurement module, and the basic genetic algorithm is used for realizing the selection of optimal parameters of the support vector machine during the modeling process. The error of the coal slurry content measured by the method is +/-4%.

The invention relates to a grounding line selection method based on HHT signal analysis, which comprises the steps of 1) performing single-phase grounding fault analysis and fault line selection on aneural point non-effective grounding system by adopting HHT; 2) introducing an EEMD (Ensemble Empirical Mode Decomposition) method into signal sudden change detection, detecting the moment when a zero-sequence current signal of a signal feeder reaches a bus, and starting fault line selection; 3) extracting zero-sequence current transient signals, designing a low-pass filter with the window being apower frequency so as to filter out steady state signals in the zero-sequence current of each line and extract transient signals; 4) performing EEMD analysis on transient current i0k(t), that is, performing EEMD analysis on the zero-sequence transient current i0k(t), decomposing the zero-sequence current transient component i0k(t) containing various frequencies into a series of current IMFn components with different central frequencies, and searching a main frequency component concentration IMF; 5) performing time-frequency spectrum (Hilbert spectrum) analysis on the zero-sequence current signal of the feeder, that is, performing normalized Hilbert transform on the maximum IMFi obtained by EEMD analysis to obtain a time-frequency spectrum (Hilbert spectrum) of the zero-sequence current signal of the feeder.

An enterprise service recommendation method based on enterprise feature propagation performs feature propagation on enterprises in an interaction record by using a knowledge graph associated between enterprise features and a target service, automatically mines enterprise association paths, depicts associated features between the enterprises, and combines the associated features with the enterprise features. And the new loss function is combined with deep learning to obtain the interaction probability of the enterprise and the service, so that the problem of poor recommendation effect caused by deviation from the relationship between the enterprises due to the fact that a general framework only uses interaction data and basic information can be solved, and accurate recommendation of the service scheme of the enterprise is realized. Through automatic mining of relationships between enterprises, discovery of association paths between the enterprises, interaction prediction scoring of enterprise features, and feature propagation of the enterprises in interaction records by target services and an interaction framework, the problem that the enterprises are difficult to select service schemes is solved.

The invention discloses an underground coal separation method and a system. According to the method, a coal preparation plant is integrally built under the ground, a plurality of coal products are conveyed to a product storehouse on the ground through a lifting system or a belt conveyor after washing, and washed gangue is directly used for filling goaf under the ground. According to the coal separation process, a torbanite dense-medium shallow slot is used for separation, slack coal is not washed, coarse slime is recycled by adopting a thickening and classifying cyclone and a high-frequency screen, and fine slime is recycled by adopting a filter press. According to the underground coal separation method, the coal preparation plant is built under the ground, so that the occupied area of an industrial site on the ground is greatly reduced. In addition, the washed gangue is not discharged from a mine, so that the invalid lifting and the transportation cost are reduced, the actual capacity of the mine is increased, additionally, the gangue stacking and processing cost on the ground is reduced, and environmental hazards are reduced. According to the underground coal separation method, the washing process of most coal preparation plants can be satisfied, the application range is wide, and for the construction of coal mines in mountain ravines, limited areas or land difficult to remove, the problem of difficulty in plant location is solved.

The invention discloses a GNSS-IR height measurement method suitable for a navigation receiver. The method comprises the following steps of: acquiring a satellite in-orbit position coordinate, a signal-to-noise ratio and a user receiver position coordinate by using observation data of a common navigation type GNSS receiver, and calculating a satellite elevation angle and an azimuth angle according to original observed quantity; screening proper satellites according to space-time distribution of an observation scene, and preprocessing a signal-to-noise ratio time sequence by using a moving average method; separating reflection components in a signal-to-noise ratio of each satellite by using a local weighted regression method, performing spectral analysis on the signal-to-noise ratio sequence residual error based on elevation angle reordering, estimating the oscillation frequency of the signal-to-noise ratio of a reflection signal, and calculating the reflection height corresponding to a single satellite according to the oscillation frequency; and optimizing a measurement result of the reflection height through weighting. According to the GNSS-IR height measurement method, the application range is expanded, data resources of the navigation type receiver are fully utilized, the under-fitting problem of a traditional low-order polynomial method can be effectively solved, and the measurement precision and stability are improved.

The invention discloses a magnetically controlled reactor vibration noise measurement and control method. According to the technical scheme, a vibration sensor is tightly attached to the outer surfaceof an oil tank of a magnetically controlled reactor and used for collecting vibration noise signals; an industrial personal computer processes acquired vibration noise signals by adopting a signal decomposition algorithm based on signal vibration attributes; and the method specifically comprises the following steps: constructing dictionaries with different oscillation attributes by adjusting quality factors, extracting harmonic components in the vibration noise signals, and analyzing and processing the extracted vibration noise signals to generate damping adjustment signals; and transmittingthe damping adjustment signal to a damping-adjustable shock absorber control unit to adjust the damping parameter of the damping-adjustable shock absorber, so that the damping of the damping-adjustable shock absorber is adjusted and controlled. The vibration detection and control method of the magnetically controlled reactor is established by utilizing signal decomposition based on signal oscillation attributes, so that vibration and noise reduction and safe operation of the magnetically controlled reactor are realized.

The invention discloses a hotel reservation processing method and system, electronic equipment and a storage medium. The hotel reservation processing method comprises the following steps: acquiring check-in information input by a user; outputting a selectable quotation according to the check-in information; obtaining an expected quotation selected by the user from the selectable quotation; outputting a hotel list corresponding to the expected quotation; obtaining a target hotel selected by the user from the hotel list; and sending the order request to the target hotel and generating an order in response to a determination instruction of the target hotel. According to the invention, by setting the quotation range in advance, the user can reasonably provide the bid, then the hotel matched with the bid is screened, and the hotel can also select whether to receive the order, so that the hotel sells the own empty room at a relatively reasonable price, the idle room resource is effectively distributed, and in the booking process, the user experience is improved. The hotel is recommended to the user according to the historical consumption data of the user and the evaluation parameters of the hotel, and the problem that the user booking process is difficult to select is solved.

The invention discloses an intelligent pod system for three-dimensional monitoring of an atmospheric environment, and solves the defects that the monitoring precision is low and the reliability is seriously influenced due to factors such as temperature and sampling gas when an unmanned aerial vehicle is used for monitoring the atmospheric environment at present. According to the technical scheme, the system is characterized by comprising a pod subsystem, a terminal subsystem and a server subsystem, wherein the pod subsystem and the terminal subsystem are installed on the unmanned aerial vehicle, and the server subsystem is in two-way communication connection between the pod subsystem and the terminal subsystem; the pod subsystem comprises a pod body with a cabin for monitoring the atmospheric environment, and further comprises an air inlet drainage unit, a sensor group unit, a central processing unit, a pod temperature control unit, a vacuum air exhaust unit, a data transmission unit and a network access unit, and is coupled to the central processing unit and is in communication connection with the server subsystem for two-way communication; according to the intelligent pod system for three-dimensional monitoring of the atmospheric environment, temperature control can be stably carried out in real time, air inlet drainage is stable, and the monitoring result is reliable.

The invention discloses a prefabricated assembly type steel-concrete mixed cantilever structure system for widening a road, and relates to the field of steel-concrete mixed structures in road structures. The system comprises a cantilever beam which comprises a first-section concrete precast block, a third-section concrete precast block, a second-section concrete precast block and a plurality of steel member joint devices. The steel member joint devices are arranged at the two ends of the second-section concrete precast block; the first-section concrete precast block is connected with the steel member joint device at one end of the second-section concrete precast block, and the third-section concrete precast block is connected with the steel member joint device at the other end of the second-section concrete precast block. The cantilever beam is cut, partitioned and prefabricated, the weight of each partitioned block can be controlled according to needs, and the problem that a storage site, transportation equipment and hoisting equipment are difficult to select due to the fact that the weight and the size are too large is solved. The invention further relates to a construction method of the prefabricated assembly type steel-concrete mixed cantilever structure system for widening the road.

The invention discloses a 40.5 kV vertical open-type disconnecting switch, which comprises a bottom frame, a transmission case, a double-layer conductive arm, a transmission insulator and a driving mechanism, and is characterized in that a plurality of pairs of supporting insulators and a main conductive base are arranged on the bottom frame side by side; and the transmission crank arm is used for controlling the transmission insulator to rotate so as to control the double-layer conductive arm and the static side base to perform switching-on and switching-off actions in the vertical direction. The isolating switch is high in through-current capacity, the conducting arm of the isolating switch is of a double-layer conducting arm structure, the sectional area of each layer of conducting arm is small, and the problem that conducting materials with large-current parameters larger than 6300 kA are difficult to select can be effectively solved; the operation is flexible, controllable and stable, the impact on the static side during closing is reduced, and the device can stop at any position and has a certain static retention force; and the electric mechanism of the isolating switch is simple in structure, can be used in severe environments such as dusty and humid environments, and is convenient for daily maintenance.

The invention discloses a power switching network implementation method based on wave rotor equipment, and relates to the technical field of engineering energy conservation. Pressure energy is directly transmitted through unsteady gas waves, expansion cooling of public engineering steam and the work exchange process of high-pressure steam and low-pressure steam are achieved, a flexible and diversified public steam work exchange network is formed with the assistance of a high-expansion-ratio injection supercharger, and the energy-saving purpose is achieved; the wave rotor and the jet pressurizer are arranged in different forms according to working characteristics, so that the functions of an expansion cooling process of high-pressure steam, a pressurizing and warming process of low-quality steam, a work exchange process of high-pressure steam and low-pressure steam and the like are realized, and external shaft work does not need to be consumed; the practical problems of current industrial pressure reduction, temperature reduction pressure energy loss and low extra steam production amount are solved, the sustainable development principle is met, and energy consumption reduction of an industrial process device is facilitated.

The invention belongs to the technical field of file off-line downloading, and discloses a shared mobile terminal file off-line downloading system and method, a storage medium and equipment. The system is composed of a downloading host and user equipment, and the shared mobile terminal file off-line downloading system comprises a downloading host module, a user use and personalized content customization module and a file analysis synchronization module. According to the invention, the shared USB flash disk is creatively adopted as an offline storage medium, the influence of network interruption or fluctuation on the service quality is fundamentally avoided, and meanwhile, the user experience is improved by combining individual selection of the user with personalized recommendation in advance. The downloading host provided by the invention is connected with a plurality of shared USB flash disks to provide services for a plurality of users, data sharing is carried out between the shared USB flash disks and the built-in storage of the downloading host, the flow is also saved, and the downloading host can be widely applied to scenes without network access, weak network access or high network access cost, and high-quality interactive multimedia services are provided for users in the scene.