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36results about How to "Improve fetch rate" patented technology

Industrial film digital once imaging system

The invention relates to the technical field of industrial nondestructive tests, in particular to an industrial film digital once imaging system. The system comprises a shell, an optical lens, an image acquisition module, a cold light source and a film feeding module which is used for feeding an industrial film, wherein the optical lens is arranged above the inner side of the shell; the film feeding module is arranged on the side edge of the shell opposite to the optical lens; the cold light source is arranged below the inner side of the shell and is positioned on the right lower side of the film feeding module; and the image acquisition module is connected with the optical lens and is used for acquiring a two-dimensional image and converting an optical signal acquired by the optical lens into a digital signal. The system improves the acquisition rate of the image and prevents the industrial film from moving through the image acquisition module capable of acquiring the two-dimensional image and the cold light source, so that the industrial film cannot be damaged, the blackness range of imaging the industrial film is expanded, and the requirement of digital imaging in the all blackness range of the industrial film is met; and an imaging effect is improved by arranging the shell, reducing light loss and avoiding interference of external light rays.
Owner:白芳芳

X-ray continuous energy spectrum determination method and device, electronic equipment and storage medium

The invention discloses an X-ray continuous energy spectrum determination method and device, intelligent equipment and a storage medium, and the method comprises the steps of obtaining the corresponding relation between X-ray energy spectrum data and energy, and building an initial continuous energy spectrum model based on the corresponding relation; discretizing the initial continuous energy spectrum model to obtain a preset number of discrete energy spectrum functions; acquiring the preset number of single-energy simulation PDD matrix data and measurement PDD matrix data of a preset range continuous energy spectrum based on different underwater depth sequences; determining each energy spectrum coefficient in the initial continuous energy spectrum model based on the discrete energy spectrum function, the simulated PDD matrix data and the measured PDD matrix data to obtain a target continuous energy spectrum model; and obtaining a to-be-estimated continuous energy range, and inputtingthe energy range into the target continuous energy spectrum function to obtain a continuous energy spectrum corresponding to the continuous energy range. The continuous energy spectrum can be simply,conveniently and rapidly acquired, and the energy spectrum acquisition rate is improved.
Owner:TIANJIN MEDICAL UNIV

Display difference correction method and device for immersive LED display screen

The invention relates to a display difference correction method and device for an immersive LED display screen, and the method comprises the steps: measuring the brightness values displayed by all display surfaces in the LED display screen at different observation angles, and obtaining the mapping relation between the brightness values and the observation angles; determining the visual range of the user on each display surface according to the size of each display surface and the sight height of the user; determining a target observation angle and a target brightness value contained in the view range in each display surface according to the mapping relation; determining a target correction coefficient of each display area on the display surface according to the minimum target brightness value and the original brightness value of each lamp point; and correcting the lamp points in each display area according to the target correction coefficient. The brightness of each display area in the view range of a user can be corrected according to the view range of the user for each display surface and the mapping relation between the observation angle and the display brightness, and the display effect of the immersive LED display screen is improved.
Owner:SHENZHEN LIDING PHOTOELECTRIC TECH

Distributed solar power generation device and power generation system based on Internet of Things control

The invention relates to the technical field of photovoltaic power generation, and discloses a distributed solar power generation device and system based on Internet of Things control, rotating frames are rotated by a certain angle by turning over a motor so as to obtain an optimal illumination angle, and meanwhile, a certain fixing effect is achieved on a rotating shaft and the plurality of rotating frames, so that the rotating shaft and the plurality of rotating frames can be fixed. A plurality of driving air cylinders are controlled to operate at the same time, so that a plurality of driving telescopic rods drive telescopic blocks to move in opposite directions, and then a plurality of extension frames are driven by a plurality of connecting blocks to extend towards one side from the lower part of a corresponding rotating frame under the guide action of corresponding guide columns and T-shaped sliding grooves; therefore, the multiple solar sailboards and the extension sailboard are fully exposed under illumination, more radiation energy is obtained in unit time, the solar energy obtaining rate is improved, compared with the prior art that multiple sailboards are vertically distributed, the daylighting influence among the multiple sailboards can be avoided, the overall height of the device can be reduced, and the high-altitude risk is reduced.
Owner:侯新刚

Character modification method, character modification device and storage medium

The embodiment of the invention provides a character modification method, a character modification device and a storage medium. The character modification method comprises the steps of: receiving thefirst selection operation, displaying a modification area used for inputting a trajectory by a user, and furthermore, after receiving the trajectory input operation acting on the modification area, replacing a character to be modified by a first target character, wherein the first selection operation is used for selecting a character in an interface; the selected character is the character to be modified; and the first target character is obtained according to the trajectory input operation. Modification of original characters on a display panel is realized; the acting range of the trajectoryinput operation is limited in the modification area; therefore, compared with the implementation mode of obtaining the current input trajectory by traversing the whole display panel in the related technology, the traversing range of obtaining the current input trajectory before identification is reduced in the embodiment of the invention; therefore, the rate of obtaining the current input trajectory in the modification area can be increased; and thus, the character generation rate and the character modification efficiency on the original characters of the display panel can be increased.
Owner:GUANGZHOU SHIYUAN ELECTRONICS CO LTD +1

Method and device for converting digital three-dimensional model into construction model based on transformer substation

The invention relates to a method for converting a digital three-dimensional model into a construction model based on a transformer substation, and the method comprises the steps: reading a model file of a currently loaded GIM model, and obtaining the entity data of each entity contained in the GIM model from the model file; converting vertex information in the entity data, and converting the vertex information in the entity data into vertex coordinates in a three-dimensional vector format; transforming the vertex coordinates by adopting a matrix transformation formula to obtain transformed vertex coordinates; and loading the transformed vertex coordinates and other data except the vertex in the entity data into a construction platform to generate a corresponding construction model. According to the method, the GIM model generated in the design stage is converted to obtain the construction model required in the construction stage, and compared with a mode of re-establishing a corresponding construction model in the related technology, the time for obtaining the construction model is effectively shortened, and the speed for obtaining the construction model is increased.
Owner:北京博超时代软件有限公司

Device and method for identifying and cutting natural gas hydrate layer section in casing pipe on site

The invention relates to the technical field of natural gas hydrate exploration, in particular to a device and method for identifying and cutting a natural gas hydrate interval in a casing pipe on site. The device comprises a temperature measuring unit and a cutting unit horizontally arranged with the temperature measuring unit. And the temperature measuring unit comprises a temperature measuring shell, a temperature measuring transparent cover, a movable temperature measuring mechanism, a temperature measuring pipe inlet, a temperature measuring pipe outlet and a sleeve transfer mechanism. The cutting unit comprises a cutting shell, a cutting transparent cover, a movable sleeve clamping and cutting mechanism, a cutting pipe inlet, a cutting pipe outlet and a carrying platform. According to the invention, the identification-acquisition integrated operation of the hydrate-containing layer in the casing pipe can be realized, the acquisition rate of the hydrate sample is improved, and the loss of the hydrate in the process of acquiring the hydrate from the casing pipe is reduced. In addition, the sampling accuracy is also improved through the constraint of the actual measurement temperature difference. And powder generated in operation can be controlled in the equipment for centralized treatment, so that dust pollution on a construction site is avoided.
Owner:QINGDAO INST OF MARINE GEOLOGY

A device and method for on-site identification and cutting of natural gas hydrate intervals in casing

The invention relates to the technical field of natural gas hydrate exploration, in particular to a device and method for on-site identification and cutting of natural gas hydrate intervals in a casing. The device includes a temperature measuring unit and a cutting unit arranged horizontally with the temperature measuring unit. The temperature measurement unit includes a temperature measurement housing, a temperature measurement transparent cover, a mobile temperature measurement mechanism, a temperature measurement inlet, a temperature measurement outlet, and a casing transfer mechanism. The cutting unit includes a cutting shell, a cutting transparent cover, a moving sleeve clamping and cutting mechanism, a cutting inlet, a cutting outlet and a loading platform. The invention can realize the integrated operation of identification and acquisition of hydrate-containing layers in the casing, improves the rate of hydrate sample acquisition, and reduces the loss in the process of obtaining hydrate from the casing. In addition, sampling accuracy is also improved by the constraint of actually measuring temperature differences. The powder generated during the operation can be controlled in the equipment for centralized treatment, avoiding dust pollution on the construction site.
Owner:QINGDAO INST OF MARINE GEOLOGY

Video security protection system and implementation method of locomotive platform crossing based on 4g network

ActiveCN114155744BPrevent accidents such as collisionsAvoid Link PollutionParticular environment based servicesAnti-collision systemsNetwork connectionVideo image
The invention relates to a 4G network-based locomotive crossing video security protection system and its implementation method. The system includes a security protection mobile terminal, a cloud server, a locomotive platform display terminal, a locomotive platform host, and a power supply. The locomotive platform display terminal is connected to the locomotive platform host. , the locomotive platform host and the safety protection mobile terminal are connected through the host's built-in 4G network, and the safety protection mobile terminal and the cloud server are connected through the host's built-in 4G network; during the train operation, the safety protection mobile terminal displays the video image of the designated crossing, and makes pedestrians, Animals and other objects are detected, and the driver will be notified by voice alarm after abnormal detection, and the current location map information will be displayed in real time. The system implements a visual wireless driving safety protection system, which can grasp the situation of the crossing ahead, which is beneficial to make judgments and make driving operations in advance, and prevent accidents such as collisions caused by abnormal crossings.
Owner:天津七一二移动通信有限公司

Power stable fast scanning absorption spectroscopy device and method based on polarization rotator

InactiveCN105424648BLowering the Detection Limit of Direct Absorption Modulation SpectroscopyLow detection limitColor/spectral properties measurementsDistributed feedback laserBeam splitter
The invention belongs to the technical field of laser spectra, and particularly provides a stable-power rapid-scanning absorption spectrum device and method based on a polarization rotator. The technical problem that in an existing direct absorption spectrum technique, the detection sensitivity is low due to the power fluctuation noise of a laser is solved. The stable-power rapid-scanning absorption spectrum device based on the polarization rotator comprises a function generator and a distributed feedback laser; an emergent light path of the distributed feedback laser is sequentially provided with a polarizer, the polarization rotator, an polarization analyzer and a beam splitter with two emergent ports; an emergent light path of one emergent port of the beam splitter is sequentially provided with a first collimating lens and a first photoelectric detector; the signal output end of the first photoelectric detector is connected with a proportional integral derivative controller, and the signal output end of the proportional integral derivative controller is connected with a voltage control port of the polarization rotator. The stable-power rapid-scanning absorption spectrum device and method are simple in technical scheme, convenient to operate, low in light intensity and noise and high in measurement precision.
Owner:SHANXI UNIV
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