188results about How to "Guaranteed correspondence" patented technology

The invention discloses a laser 3D printing device with multiple inkjet heads. The laser 3D printing device with multiple inkjet heads includes a laser generator, a laser inkjet head, a mechanical arm and a working table, wherein the laser inkjet head includes a laser head and a power inkjet head assembly, the power inkjet head assembly comprises a connecting base, a rotating disc and at least two power inkjet heads, the rotating disc is sleeved outside the periphery of the connecting base, the connecting base is provided with a laser through hole which is coaxially communicated with a laser jet hole of the laser head, the at least two power inkjet heads are detachably arranged on the rotating disc and are distributed relative to the periphery of the rotating center of the rotating disc, any power inkjet head is coaxially communicated with the laser jet hole when rotating to a working station, and a fixing unit is arranged between the rotating plate and the connecting base. The laser inkjet head of the laser 3D printing device with the multiple inkjet heads is provided with a plurality of powder inkjet heads and the plurality of powder inkjet heads can be used alternately so that the laser 3D printing device can use a plurality of metal powers to print under the condition that the laser inkjet head is not changed, and the laser 3D printing device meets the 3D printing requirements of FGM (Functionary Gradient Materials) metal pieces.

The invention relates to an information safety algorithm based on an energy information gateway in a smart power grid, ad an introduced safety mechanism is divided into an identity verification process, an encryption information message format and an information communication process according to a connecting flow path. Based on an RSA encryption algorithm, an advanced encryption standard (AES), digital signature and other technologies, the safety mechanism with instruction information transmission confidentiality, integrity and non-repudiation is achieved. By using the respective advantages of the three technologies, the condition that a smart electricity using network transmits sensitive information in a public network is combined, the situations of identify forging, data stealing, repeated attack sending and the like are considered sufficiently, and a bi-directional identity verification and safe instruction transmission mechanism is provided, so that the data attacks are effectively prevented, and traceability of instructions is ensured. A practicable and reliable solution is provided for safe data transmission in the demand response and home automation technology in China.

The invention discloses a construction method of a road blocking image semantic segmentation sample library for full convolutional neural network training. The construction method comprises the steps of performing vectorization, enhancement and standardization on samples; secondly, introducing a classical convolutional neural network type and a network structure improvement method, and explaining a network realization method and a training process; then, using the full convolutional neural network obtained through training for conducting remote sensing image road surface semantic segmentation, and on the basis that the road surface which is not damaged after disaster is extracted, judging the road integrity through the length proportion of the road which is not damaged before disaster and after disaster. The precision evaluation indexes of the improved full convolutional neural network model are superior to those of an original full convolutional neural network model. The improved model is more suitable for specific problems of post-disaster undamaged pavement detection and road integrity judgment, and the adverse effects of tree and shadow shielding on road blocking information extraction can be effectively overcome.

The invention provides an omni-directional intelligent comprehensive field intensity indicator, which comprises a host machine, a radio frequency probe and a power frequency probe, wherein the radio frequency probe comprises three homocentric dipole antennas, a balanced transformation module and an output interface, the power frequency probe comprises a three-dimensional electric field measuring unit, a three-dimensional magnetic field measuring unit, a reshaping and amplification module, a channel selection module, a data acquisition module, a microprocessor module and a photoelectric communication module, the three-dimensional electric field measuring unit and the three-dimensional magnetic field measuring unit are respectively connected with the channel selection module through the reshaping and amplification module, and the output interface of the radio frequency probe and the photoelectric communication module of the power frequency probe are respectively connected with the host machine. According to the omni-directional intelligent comprehensive field intensity indicator disclosed by the invention, the maximum actual capacity of an electromagnetic field does not need to be found in the environment by a detector, the measurement functions of a power frequency electric field, a power frequency magnetic field and a radio frequency electric field are integrated, the synchronous display of the power frequency electric field and the power frequency magnetic field is achieved, the reliability of data is greatly improved, the labor intensity is reduced, and the detecting efficiency is improved.

The invention relates to a universal full-hardware one-step 1588 clock synchronization device and method. The device comprises a framing module, an MAC transmission control module, an MAC receiving control module, an analysis module, a timestamp generation module, a first-in first-out queue timestamp FIFO module, a local clock module, a deviation calculation module and a timestamp insertion module. The method of the invention includes the following steps: recording timestamp information, identifying synchronous messages, storing the timestamp information, identifying synchronous broadcast messages Sync, inserting the timestamp information, calculating the time deviation of master-slave clocks, and correcting the time of the slave clock. According to the scheme of the invention, a hardware-only one-step synchronization method is adopted, effective data signals ctrl at a reduced gigabit media independent interface (RGMII) between a data link layer MAC and a physical layer PHY are adoptedto collect accurate timestamp information, and thus the universality and synchronization accuracy of the system can be improved.

The embodiment of the invention discloses a note display method, an electronic device and a computer storage medium, which are used for displaying the handwritten notes to the user after the user completes the drawing of the handwritten notes. The method includes identifying a reading original corresponding to the handwritten note drawn on the reading page in response to a handwritten note savinginstruction of the electronic book; storing the reading original text and the handwritten notes drawn on the reading page in the note list correspondingly so that the handwritten notes and the corresponding reading original text are superposed and displayed; reading texts displayed in the notes list support streaming typesetting. The embodiment of the invention realizes the effect of simultaneously superposing and displaying the user's handwritten notes and the corresponding reading original text in the note list, and maintains the corresponding relationship between the user's handwritten notes and the reading original text. When the user views the reading notes, the drawing scene of the notes can be conveniently recalled by the user. And it can realize the secondary editing of the contents in the note list, which enriches the note function of the electronic equipment.

The invention discloses a board separator for a pneumatic FPC (Flexible Printed Circuit). The board separator comprises a base, a support, an upper die and a lower die, wherein the support and the lower die are arranged on the base; a driving air cylinder is arranged at the top of the support and is connected with the upper die; the upper die is positioned below the driving air cylinder; a plurality of cutters perpendicular to the upper die are arranged on the lower end face of the upper die; a plurality of cutter holes are formed in the lower die; the cutters and the cutter holes are in one-to-one correspondence and are mutually matched; a plurality of product positioning pins are arranged on the upper end face of the lower die; the heights of the cutters from one end to the other end are increased in stepped manner. The invention also discloses a board separating method for the FPC. According to the board separator disclosed by the invention, a plurality of holes can be punched at one time, high punching efficiency is obtained and the punching defect rate can be reduced.

The invention discloses a method for managing an engineering site based on unmanned vehicle aerial photography and a building information model, and the method comprises the steps: firstly building athree-dimensional building information model of the engineering site, and building engineering construction stage progress models of different stages according to an engineering progress plan and an actual completion condition; a timing unmanned aerial vehicle aerial photography system is established, and the standardization and effectiveness of aerial photography are guaranteed; performing three-dimensional display on the progress condition of the building information model; and inserting the aerial photo into an engineering construction stage progress model, adjusting the position size to enable the image to be aligned with the model, finishing an engineering site construction management model for engineering site management, and implementing monitoring management of an engineering construction site according to the model. According to the method, the aerial photography of the unmanned aerial vehicle and the building information model are combined, the same-platform browsing of the aerial photography of the unmanned aerial vehicle and the building information model is realized, the correspondence between the aerial photography of the unmanned aerial vehicle and the spatial position of the building information model is ensured, and the real-time monitoring of an engineering site construction process is realized.

The invention relates to the technical field of information, and discloses an automatic generation method and system for an inquest report. The method comprises the steps of obtaining known inquest information, selecting a report template, calling the known inquest information and data information in an experience database and filling the known inquest information and the data information in the report template to generate a primary inquest report, selecting contents to be selected in the primary inquest report, and generating the final inquest report. The automatic generation method and system for the inquest report automatically generate the report, are concise and convenient to use, can verify the integrity of electronic data in real time, guarantee the authenticity of electronic evidence, and solve the inquest problems in the prior art that the electronic evidence can not be fixed on the spot, and a confession is easy to withdraw afterwards.

The invention provides a reording medium, a recording device, an encoding device, an integrated circuit and a reproduction output device. A pair of main view and sub-view video streams, a graphics stream, and playlist information are recorded on a BD-ROM disk. The sub-view video stream includes meta data arranged in each GOP. The meta data includes a corresponding table between offset identifiers and offset information contents. Each of the offset information contents specifies an offset control for each picture in the GOP. The offset control is processed such that respective offsets in the left and right directions on a horizontal coordinate are given to a graphics plane, which is synthesized to respective main view and sub-view video planes. The playlist information includes a stream selection table on a per reproduction section basis. In the stream selection table, when a stream number is made correspond to the packet identifier of the graphics stream, one offset identifier is additionally assigned to the stream number.

The invention discloses a transparent material defect analysis method comprising the steps of carrying out micro defect detection on a transparent material to get a defect distribution map matching a transparent material object, attaching the transparent material onto the defect distribution map through aligned overlapping, performing image scanning using a scanner to get an object-result contrast map, and analyzing the correlation between defects and the appearance of the transparent material based on the object-result contrast map. According to the method, a real image of the transparent material and intuitive contrast between the real image and the defect distribution map are acquired through the image replication function of the scanner, and then, the correlation between micro defects and problems like transparent material breakage is found out. The method is highly resistant to light interference, simple to operate and highly reliable, and has practical application value.

The invention provides a micro base station locating method and apparatus. The method comprises the following steps: obtaining the own location information of a terminal; when staying at a micro base station, obtaining a signal parameter of a reference signal received by the micro base station; and determining the location information of the micro base station according to the signal parameter and the own location information. In the technical scheme, the location of the micro base station is not manually measured, and the location information can be determined through the staying terminal, thereby saving human resources and simplifying the measurement of the location of the micro base station.

The invention discloses a medical claim payment refusing method and apparatus, a terminal device and a storage medium. The medical claim payment refusing method comprises the steps of obtaining a claim application request, wherein the claim application request comprises a case ID and current bill information, and the current bill information comprises at least one piece of current item information; based on the case ID, obtaining historical bill information corresponding to the case ID, wherein the historical bill information comprises at least one piece of historical item information; based on the at least one piece of the current item information and the at least one piece of the historical item information, judging whether the current bill information and the historical bill informationcorrespond to a same bill or not; and if the current bill information and the historical bill information correspond to the same bill, outputting payment refusing information. According to the medical claim automatic payment refusing method, whether a current bill and a historical bill corresponding to the case ID are the same bill or not can be judged; the claim application request where the same bill is located is subjected to automatic payment refusing; the accuracy of case claiming is improved; and the processing efficiency of the claim application request is improved.

The invention provides a digital currency transaction method and system based on a smart contract, and the method comprises the steps: obtaining a to-be-paid digital currency through a wallet of a payer, and obtaining the data of the smart contract; sending the transaction data to the payee wallet; receiving the transaction data the payee wallet and obtaining verification data generated by the signer; sending a transaction record to a serverby the payee wallet, wherein the transaction record comprises to-be-paid digital currency, smart contract data, a first smart contract signature, a second smart contract signature and verification data; verifying the transaction record by the server, generating signed and issued digital currency after the verification is passed, and sending the signed and issued digital currency to the payee wallet, and the verification of the transaction record comprises the steps of verifying the second smart contract signature by using the verification data and the smart contract data, verifying the first smart contract signature, and verifying the second smart contract signature by using the verification data and the smart contract data, verifying the digital currency to be paid; receiving the signed and issued digital currency by the payee wallet and storing the signed and issued digital currency.

The invention provides a card read-write and transmission system in a self-service card receiving machine. The system comprises a card feeding mechanism and a card reading mechanism. The card feeding mechanism comprises a card clipping mechanism, a card guide slot, and a driving mechanism which is used for driving the card clipping mechanism to move. The card clipping mechanism comprises a clamping assembly and a clamping driving mechanism which is used for driving the clamping assembly to clamp or release. The clamping assembly comprises an upper clamping member and a lower clamping member. A first clamping part and a second clamping part are arranged on the upper clamping member and the lower clamping member respectively. The driving mechanism comprises a transverse driving mechanism and a vertical driving mechanism. The card read-write and transmission system in the self-service card receiving machine can quickly and accurately send an identified card to the corresponding location of a card storage mechanism and a card receiving port. The card reading mechanism is combined with the card clipping mechanism, which reduces the components of the card reading mechanism. The structure of the entire self-service card receiving machine is simple. The manufacturing cost is reduced. The card transmission efficiency is improved.

The invention discloses a method and system for receiving base station difference data and a receiving radio station. The method comprises the following steps: pre-storing a plurality of frequency points and identification codes in the receiving radio station, and with one frequency point in the plurality of frequency points being as a receiving frequency point, receiving data and recording data receiving time; obtaining a frame header of the data; when the frame header is correct, obtaining identification codes from the data; when the identification codes are matched with the pre-stored identification codes, obtaining difference data from the data; when the identification codes are not matched with the pre-stored identification codes, continuing receiving data at the frequency point and judging the frame header and the identification codes until the data receiving time is larger than preset time and then, switching the frequency point and re-receiving the data or the frame header is correct and the identification codes are matched; and when the frame header is not correct, continuing receiving data at the frequency point and judging the frame header until the data receiving time is larger than the preset time and then, switching the frequency point and re-receiving the data or the frame header is correct, thereby ensuring that the receiving radio station receives the correct difference data and saving both time and labor.