91results about How to "Guaranteed one-to-one correspondence" patented technology

The invention belongs to the technical field of information safety, and in particular relates to an embedded software safety protection system which aims to improve the safety of embedded software. According to the system, a safety protection module is arranged on embedded equipment and comprises a physical prying-resistant device, a prying-resistant cover plate and a hardware encryption and decryption module circuit, wherein the hardware encryption and decryption module circuit is applied to adaption of a central processing unit (CPU) to data access of an electrically programmable read only memory (EPROM) and is matched with the physical prying-resistant device and the prying-resistant cover plate to dynamically protect static random access memory (SRAM) data. By virtue of the physical prying-resistant device and the prying-resistant cover plate, the system has destroy resistance and can prevent an attacker from acquiring sensitive information in a probe detection mode and the like; and moreover, the prying-resistant cover plate can shield electromagnetic radiation, thus preventing the attacker from attacking the safety system by utilizing the leakage of the electromagnetic radiation.

The invention discloses a solar seawater desalination device and method based on light-absorbing boiling. The device includes a condensing lens, a lens bracket, a steam outlet, a condenser, a water feeding pump, a seawater pool, a fresh water collecting tank, a water feeding port, a concentrated brine discharge port, a distillation pool, to-be-distilled seawater, a light-absorbing material, and a glass partition plate; the condensing lens is fixed at the upper end of the distillation pool through the lens bracket; the upper end of the distillation pool is sealed through the glass partition plate; the top end of the distillation pool is equipped with the steam outlet, and the lower end of the distillation pool is equipped with the concentrated brine discharge port and the water feeding port; the water feeding pump allows the to-be-distilled seawater to successively pass through the condenser and the water feeding port from the seawater pool and then flow into the distillation pool; the to-be-distilled seawater in the distillation pool is covered with the light-absorbing material; the steam outlet is connected with the condenser and the fresh water collecting tank successively; incident light is condensed through the condensing lens, then is incident and penetrates through the glass partition plate, and is projected to the light-absorbing material. The device and the method adopt the principle of light condensing local boiling, take boiling gas production as the primary, combine and promote evaporation, and increase the production rate of fresh water.

The invention relates to a method for the three-dimensional measurement of high sampling density color structured light based on green stripe segmentation. In previous researches, color encoding is mostly used for space encoding and direct encoding, and most of the color encoding can be used for measuring dynamic objects, but because of the influences caused by the color fidelity and the resolution ratio of a CCD camera, the color encoding has low measurement accuracy for three-dimensional objects and is very difficult to be used for accurate measurement of objects. The method comprises the following steps of: 1) continuously projecting red and blue gray code encoded structured light segmented based on green stripes to the three-dimensional objects required to be measured or reconstructed in turn, and shooting each breadth of projection patterns; 2) performing red, green and blue color stripe segmentation on each breadth of the shot projection patterns to acquire the color values of pixels of each breadth of the patterns; 3) extracting centers and left and right boundaries of the green stripes in each breadth of the shot patterns, and acquiring the coding values of the centers and the left and right boundaries of the green stripes according to the corresponding color values of the pixels of the previous breadths of the patterns; and 4) performing sub-pixel positioning on the centers and the left and right boundaries of the green stripes, and realizing the measurement and the reconstruction of the three-dimensional objects according to system calibration parameters. The method is applied to a three-dimensional measuring technique.

The invention relates to a laser thickness gauge taking laser as a light source. The laser thickness gauge structurally comprises a shell and is characterized in that a lying U-shaped bracket is arranged on the shell, and an upper laser and a lower laser which are opposite for emitting, a diffraction-free optical system and an area array CCD (Charge Coupled Device) are arranged in the U-shaped bracket. On this basis, laser beams emitted from the upper laser and the lower laser are respectively radiated onto the upper surface and the lower surface of a tested object through the laser thickness gauge to form an upper light spot and a lower light spot; and light rays of the two light spots are imaged onto the area array CCD through the diffraction-free optical system, are subjected to photoelectric conversion and are then transmitted to a computer to be processed to directly obtain the thickness of the tested object. The laser thickness gauge disclosed by the invention has the beneficial effects that the measurement precision is high and reaches +/-0.0015mm, measurement errors caused by deformation, vibration and the like of the U-shaped bracket are avoided, the measurement precision is greatly improved; and the laser thickness gauge is resistant to vibration, simple to install and use, and stable in work.

The invention discloses printing data processing method, device and equipment as well as a storage medium. The printing data processing method comprises the following steps that logical channel parameters corresponding to logical channel serial number and the serial number of the current printing task are obtained according to the logical channel serial number; task parameters corresponding to thecurrent printing task and the printing position of the current printing task are obtained according to the current printing task serial number; according to the logical channel parameters, the task parameters corresponding to the current printing task and the printing position, a storage address of the channel data corresponding to the logical channel and printing parameters are obtained; and thechannel data are extracted from the print memory according to the storage address, and the channel data and the printing parameters are processed to obtain printing data. According to the printing data processing method, device and equipment as well as the storage medium, the image data can be simply, efficiently and correctly read out from the print memory without error.

The invention discloses a set-top box protection method and a set-top box. The method comprises the following steps of: acquiring a public key, wherein the public key is an identification code of the set-top box; decrypting encrypted codes of the set-top box by using the public key, wherein the encrypted codes are generated by encrypting the identification code of the set-top box and a code of the set-top box by a preset encryption algorithm; and judging whether the decrypted identification code is consistent with the public key or not, and if the decrypted identification code is judged to be inconsistent with the public key, quitting a system. The invention correspondingly provides a technical scheme of the set-top box. By the set-top box protection method, the uniqueness of software and hardware of the set-top box can be ensured, the set-top box can be protected from piracies, and the protection cost can be reduced.

The invention relates to a bruise-free fruit transition and conversion device, which belongs to the technical field of fruit processing. The bruise-free fruit transition and conversion device is characterized by comprising transmission shafts, a transmission chain and a mechanical grip, wherein each transmission shaft is provided with a recess, the transmission chain is arranged on the two transmission shafts, the mechanical grip is installed on the transmission chain and comprises a support frame, a roller guide rod, a return spring and T-shaped grip sheets, the roller guide rod is installed on the support frame, the return spring is sheathed on the roller guide rod with a positioning device between an upper limiting rod and a lower limiting rod, both ends of the top cross rods of the two grip sheets are respectively hinged with the support frame and the lower end of the roller guide rod, the top end of the roller guide rod rotates with the transmission chain to correspond to the recess in the transmission shaft, the roller guide rod slide vertically in the support frame to drive the grip sheets to open and close, and the grip sheets are pasted with fruit protection cushions. The bruise-free fruit transition and conversion device has the advantages of reasonable and simple reasonable, easy production and manufacturing, low cost and convenient operation, facilitates the transition and conversion in fruit on-line processing, and is durable in use and maintenance-free.

The invention discloses a text similarity distinguishing method and apparatus. The text similarity distinguishing method comprises the steps of obtaining a to-be-tested text; analyzing the to-be-tested text and extracting sentences of at least one part of the to-be-tested text; searching the sentences of at least one part of the to-be-tested text from a pre-established full-quantity database; and generating similarity between the to-be-tested text and a first text according to a searching result. The full-quantity database provided by the invention stores a mapping relation between the sentence of at least one first text and a first text name; and each sentence in the full-quantity database is corresponding to a unique first text name. By ensuring the one-to-one correspondence relation between the sentences stored in the full-quantity database and the first texts, a unique matching result can be obtained in searching sentences from the full-quantity database. Sentences corresponding to more than one first text at the same time are eliminated from the full-quantity database, so that sentence hit rate and searching speed of the target first text are improved.

The invention provides a film-wrapped tobacco bale distribution system. The system comprises a tobacco feeding system, a sorting system, a coding system, a packing system, a cage car and a distribution vehicle; the system realizes automatic sorting and distribution of tobaccos in a tobacco logistics center according to customer orders; the tobacco feeding system and the sorting system realize automatic collinear sorting of thin cigarettes and standard cigarettes; the coding system adopts a first identifying unit and a second identifying system to identify specification information of tobacco bales to guarantee one-to-one correspondence of tobaccos and codes, so that the coding precision is improved; the packing system automatically packs the thin cigarettes and the standard cigarettes; packed film-wrapped tobacco bales are placed in the cage car; a guide rail and a longitudinal positioning device for fixing the cage car are arranged in the distribution vehicle to realize fixation of the cage car and the distribution vehicle; and the cage car is distributed along with the vehicle, so that the distribution efficiency is improved.

The invention provides a guest information online management method, device and system. The method is applied to a local guest host computer, including sending the first authentication information toa visitor platform so that the visitor platform pushes the first authentication information to a first client at the visitor side so that the visitor obtains the first authentication information; Receiving identity data inputted by the visitor through the accessor or the first client according to the first authentication information; Determining a visitor level of the visitor according to the visitor profile information; assigning access rights to the identity data for passing through the access device according to the guest level. The access level of the visitor is determined and assignd withdifferent access rights to distinguish and manage the visitor of different levels, and simultaneously the safety management level of the enterprise is improved.

The invention discloses a digital elevation model accuracy evaluation method based on cut fill analysis. The method comprises the following steps that: selecting reference DEMs (Digital Elevation Model), and selecting the reference DEM which has the same accuracy with a DEM to be evaluated or the reference DEM which has higher accuracy; cutting the reference DEM, and enabling the reference DEM to be consistent with the geographical range of the DEM to be evaluated; calculating a resampling resolution, and calculating an optimal resampling resolution according to the resolution of the reference DEM and the DEM to be evaluated; carrying out DEM resampling, adopting the resampling resolution to carry out nearest neighbor resampling on the DEM to be evaluated and the reference DEM; calculating a cut fill volume difference, and calculating the sum of the volume difference of each resampled grid cell of the reference DEM and the DEM to be evaluated; and calculating a cut fill error, and dividing the cut fill volume difference by the area of the geographical range of the DEM. The method has the advantages that the scientificity and the practicality of the digital elevation model accuracy evaluation method can be improved.

The embodiment of the invention discloses a logistics number generation method used for a server. The method comprises the steps that user address information is dived into a first subpart and a second subpart; an administrative region code corresponding to the first subpart is determined by means of a region code database; an ultimate address code corresponding to the second subpart is determined by means of an ultimate address code database, wherein each ultimate address code in the ultimate address code database corresponds to ultimate address information representing multiple expression forms of the same place; a user address code is determined according to the determined administrative region code and ultimate address code, and the logistics number is generated at least based on the user address code and an additional area code, wherein the additional area code is used for ensuring that the logistics numbers corresponding to different orders are different. The logistics number generation method has the advantages that the problem that due to existing logistics bill information leakage, personal information and privacy of the user are leaked is solved.

The invention relates to a Chinese/Tibetan named entity inter-translation method and device. According to the method and device, a Chinese/Tibetan contrast named entity database is established, and aunique corresponding translation word is distributed for each of the different named entities, so that one-to-one correspondence between Chinese named entities and Tibetan named entities in Chinese/Tibetan inter-translation process is realized, and then the correctness of machine translation and the correctness during restoration are improved.

The invention discloses an intelligent electric self-service system. The intelligent electric self-service system comprises a hardware platform and a software platform, the hardware platform comprisesan external system, a self-service terminal hardware system, an internet, a safe separating wall and a safety door. The self-service terminal hardware system comprises a self-service terminal mainframe, a high-definition display screen, a touch screen, a fingerprint instrument, a human body infrared sensing instrument and a bar code scanning device, wherein the high-definition display screen, thetouch screen, the fingerprint instrument, the human body infrared sensing instrument and the bar code scanning device are connected with the self-service terminal mainframe, a base is arranged belowthe touch screen, a stand column is connected to the top of the base, an installing hole is formed in the top end of the stand column, a supporting rod is movably installed in the installing hole, thetop end of the supporting rod extends to the portion above the stand column and is connected with a U-type base, and a rotating disc is rotatably installed inside the U-type base. The intelligent electric self-service system is reasonable in design and convenient to adjust, a control worker can adjust the height and inclination angle of the touch screen according to own body height, and conveniently controls the touch screen, and usage is easy.

The invention relates to a line-speed processing cell method and a device of an automatic teller machine (ATM) multiple service access exchange board. The line-speed processing cell device of the ATM multiple service access exchange board is achieved based on an FPGA. The line-speed processing cell device comprises an entrance switching VPI/VCI state machine and an exit VPI/VCI state machine. An entrance reception FIFO queue and an entrance emission FIFO queue are arranged in a cell entrance direction of each physical port. An exit emission FIFO queue and an exit reception FIFO queue are arranged in a cell exit direction. The entrance switching VPI/VCI state machine reads a cell from the entrance reception FIFO queue which is not empty. Cells which are switched are written into the exit emission FIFO queue. The ATM exchange board can perform line-speed cell processing and provide processing rate and handling capacity of data.

A vulnerability similarity measurement method based on context semantics is characterized in that a natural language processing thought is used for reference, starting from the perspective of code semantics, a static code scanning tool is used for carrying out source code security scanning, code context information is obtained based on a control flow diagram and a data flow diagram, and code semantic analysis is carried out; the method also includes mapping the code context statement to a vector space: function: T-> T ''; calculating the similarity Similarity (T ''n, T'' m) between the vulnerability and the vulnerability of the known type, setting a threshold value for identification, automatically screening misreported vulnerabilities, and evaluating the recall ratio and precision ratio of the identification; according to the invention, bug misinformation can be effectively filtered, static code scanning tool misinformation and the cost of screening real bugs by developers or engineers are reduced, the problem that the traditional static scanning misinformation rate is high is solved, a high-accuracy misinformation examination service is provided, meanwhile, system bugs are found,and the software security is guaranteed.

The invention discloses a sphere equipped with a radio frequency card, which includes an upper hemisphere, a lower hemisphere, and a mounting plate. The upper hemisphere and the lower hemisphere are fastened and assembled with each other. The inside of the lower hemisphere is a lower installation cavity, and the inside of the upper hemisphere is an upper installation cavity. A mounting plate is installed in the lower mounting cavity and the upper mounting cavity, and a radio frequency card is fixed on the top surface of the mounting plate. The invention also discloses an intelligent gashapon motor used in conjunction with the sphere and a control method thereof. The sphere of the present invention has a built-in radio frequency card, which can read or write data through the read-write module, thereby improving the adaptability of the sphere to different use environments. The invention utilizes the stroke detecting device, so that the control circuit board can know the rotation angle of the turntable in real time, thereby ensuring accurate sensing and reading and writing of the radio frequency card by the reading and writing module. The invention logically processes the situation that the read-write module cannot detect the radio-frequency card, not only ensures the operating efficiency, but also maximizes the success rate of reading and writing of the radio-frequency card by the read-write module.

The invention discloses a pressure-tight wire connection device which comprises sub-wire support plates, a joint, a seal ring, a filling and sealing material and wires for communicating the inner part and the outer part of a tank, wherein the joint is an unequal-diameter cylinder in the outline, which has a through hole formed by combining a straight hole with a taper hole; a large end of the taper hole faces the pressure gas direction; both ends of the through hole are respectively provided with steps; the joint is a screwed joint which has external threads on the outer diameter of the small end, or a flange joint, the large end of which is a flange plate; n small holes for threading the wires are formed in the sub-wire support plates; in assembly state, two sub-wire support plates are respectively placed on the steps at both ends of the through hole in the joint; m wires penetrate through the hole in the joint and n small holes corresponding to the sub-wire support plates; the through hole in the joint is filled with the filling and sealing material to bond the sub-wire support plates, the joint and the wires into a whole; the seal ring is located at cable entrances of the joint and a sealed tank; and n is not less than m, and n is not less than 1 and not greater than 20. The pressure-tight wire connection device is reliable in sealing under a certain gas pressure, simple in structure, and convenient to install.

The invention relates to an EL detection method for a crystalline silicon photovoltaic module of a photovoltaic power station. The EL detection method comprises the following steps: assembling EL detection equipment, electrifying a module on an installed bracket or electrifying a delivery module, adjusting the position of an infrared camera, calling a test module, shooting an image and recording defects. Due to the adoption of the EL detection method, whether abnormal phenomena such as subfissure, fragments, grid breakage and bright and dark sheets exist in the assembly can be detected.

The invention discloses an image recognition-based student school attendance system. The system comprises a first image acquisition module, a second image acquisition module, an image recognition module, a microprocessor, an image information storage module, an attendance recording module and a clock module. Compared with traditional artificial name calling attendance, artificial heat portrait comparison attendance, student card attendance and fingerprint attendance, the system is more convenient and rapid and is capable of absolutely ensuring one-to-cone correspondence between student information and persons on the spot; and according to the system, the first image acquisition module, the second image acquisition module and the clock module are cooperated to detect the students that slipout the classrooms in or during the classes and then directly select not to return the classrooms, and the function is the most outstanding point of the system and is a technology urgently demanded bycolleges and universities at the present stage.