49results about How to "Overcome mismatch" patented technology

A packaging substrate having an embedded through-via interposer is provided, including an encapsulant layer, a through-via interposer embedded in the encapsulant layer and having a plurality of conductive through-vias therein, a redistribution layer embedded in the encapsulant layer and formed on the through-via interposer so as to electrically connect with first end surfaces of the conductive through-vias, and a built-up structure formed on the encapsulant layer and the through-via interposer for electrically connecting second end surfaces of the conductive through-vias. As such, the first end surfaces of the conductive through-vias are electrically connected to the redistribution layer to thereby be electrically connected to electrode pads of a semiconductor chip having smaller pitches, while the second end surfaces of the conductive through-vias electrically connect with conductive vias of the built-up structure having larger pitches, thereby allowing the packaging substrate to be coupled with the semiconductor chip.

The invention relates to a BOQ (bill of quantities) information and WBS information coupling method and system for the technical improvement overhaul engineering of a power grid. Compared with the prior art, the invention irons out the defect that a WBS element architecture is not correspondingly coupled with a BOQ. The method comprises the following steps: constructing a WBS recognition code treestructure: setting a WBS recognition code format, constructing a WBS data dictionary of a WBS recognition code, and constructing the WBS recognition code tree structure according to the WBS data dictionary; constructing a BOQ coding tree structure: obtaining the list item codes of the technical improvement overhaul engineering of the power grid, and analyzing and constructing the BOQ coding treestructure; carrying out the coupling of the BOQ information and the WBS information, and enabling the WBS recognition code tree structure to be correspondingly correlated with the BOQ coding tree structure. The method can achieve the effective correlation of the BOQ information and the WBS information.

The invention relates to a predicating method for TLE (transfer line exchanger) outlet temperatures and operation cycles of ethylene cracking furnaces. The deducing of TLE heat transfer processes of industrial ethylene cracking furnaces is simplified, and is combined with empirical models of TLE coking and depositing of the industrial ethylene cracking furnaces so as to deduce parameterized prediction models of the TLE outlet temperatures and the operation cycles of the industrial ethylene cracking furnaces. Actual production data are utilized to estimate and identify model parameters, time factor corrections are performed on the identified models additionally, and online and real-time correction updates can be carried out on the TLE outlet temperature parameterized prediction models as required to expand adaptability and accuracy of the models. When TLE maximum permission upper limits and maximum operating cycles are given, the TLE outlet temperature parameterized prediction models can be used for predicating follow-up operating time of TLE systems before next decoking online and predicating the TLE operating cycles. The predicating method is simplified, reasonable in deducing, high in construction applicability, simple to operate, easy to copy, and wide in adaptability.

The present invention adopts single-order plus dead-time model; said upper computer controlling output panel control board key to make systems operation on ' identifying stage ', at this point, the relay identifying link switched into closed loop system; under action of relay link, after beginning systems operation, at short notice establishing limit loop; according to real-time measurement to relay output each parameter and biasing relay feed-back identifying formulae to calculate out system identifying three parameters: K, Theta and Pi, and storing in RAM. According to identified model parameter, system calculates each parameter of novel internal mold controller, computational result stored in RAM memory unit, the obtained model and internal mold controller parameter loading in each link in real production process. The present invention realizes the self calibration of digit internal mold controller, reducing hardware cost and raising systematical mobility, reliability and accuracy.

The embodiment of the invention provides a geographic position-based interest point indexing method and device, a medium and an electronic device. The geographic position-based interest point indexingmethod comprises the steps of obtaining the latitude and longitude information carried in a user request, and encoding the latitude and longitude information to obtain a corresponding target geographic block code; mapping the target geographic block code into a code of a target group containing the target geographic block; expanding the target group according to the score of the target group anda request condition carried in a user request to obtain an expansion group; and obtaining the interest points corresponding to the target group and the expansion group according to the code of the target group and the code of the expansion group. According to the technical scheme, the target group is expanded according to the interest point score, and the purpose of controlling the number and quality of the indexed interest points is achieved. Meanwhile, when the user is located at the edge of the geographic block, the problem that the interest point is not matched with the user or retrieval is incomplete can be solved through index extension.

The invention relates to an all-glass curtain wall support structure. The height of a connecting part can be adjusted by adjusting the position of a fixed part in the vertical direction of a long-waist-shaped hole or a long-stripe-shaped hole in a washer, the fixed position between the connecting part and a glass rib can be adjusted to certain extent according the fixed position between a glass panel and the connecting part, the problem that the height of the fixed position between the connecting part and the glass rib is not matched with that of the fixed position between the connecting part and the glass panel due to machining errors is solved, fragmentation of the glass rib or the glass panel is prevented, and the safety of the glass rib and the glass panel is guaranteed. In addition, due to the fact that the fixed part is located in the long-waist-shaped hole or the long-strip-shaped hole, when the the glass curtain wall is deformed slightly under the wind action, the fixed part still can not make contact with the inner walls of the top and the bottom of the washer, the gravity of the glass panel can not be transmitted to the glass rib along the fixed part, the gravity of the glass panel is all borne by a pull rod or an inhaul cable all the time, therefore, the fragmentation of the glass rib is prevented, and the safety of the glass rib is protected.

The invention relates to the field of binocular stereo imaging, and provides a matching cost algorithm with high precision and strong anti-interference capability in order to improve the performance of a Census algorithm under the condition of repeated texture and discontinuity of parallax. Therefore, the technical scheme adopted by the invention is as follows: based on neighborhood related information, as for two to-be-matched input pictures, taking the left view as a reference, taking a window with n * n pixels; calculating the Census transformation matching cost of the model; and taking ann * n window in the right view, moving the window from left to right and from top to bottom, respectively recording values of matching costs of the window, selecting a point with the minimum matchingcost as a matching point of the left image, traversing each point in the left image according to the method, and respectively finding out the corresponding matching point of the point in the right image, thereby completing matching of the left view and the right view. The method is mainly applied to three-dimensional imaging processing occasions.

The invention discloses a network switching method and a device. The method comprises steps: a network access type for an application in a terminal is checked; according to a preset database, whether the network access type for the application is the best network access type is queried, wherein the best network access type is the set network access type for meeting requirements of the application in the preset database; and if not, the network access type for the application is switched to be the best network access type. The network switching method and the device provided by the embodiment of the invention overcome the problem that the terminal access network type in the prior art is not matched with the network access type actually required by the application and enhance user experience.

A packaging substrate having an embedded through-via interposer is provided, including an encapsulant layer, a through-via interposer embedded in the encapsulant layer and having a plurality of conductive through-vias therein, a redistribution layer embedded in the encapsulant layer and formed on the through-via interposer so as to electrically connect with first end surfaces of the conductive through-vias, and a built-up structure formed on the encapsulant layer and the through-via interposer for electrically connecting second end surfaces of the conductive through-vias. As such, the first end surfaces of the conductive through-vias are electrically connected to the redistribution layer to thereby be electrically connected to electrode pads of a semiconductor chip having smaller pitches, while the second end surfaces of the conductive through-vias electrically connect with conductive vias of the built-up structure having larger pitches, thereby allowing the packaging substrate to be coupled with the semiconductor chip.

The invention discloses a vision and IMU sensor fusion positioning system based on dynamic object semantic segmentation. The system comprises a front-end algorithm which is divided into a feature extraction module and a tracking module which are used for obtaining the data association of feature points, and tracking the feature points between adjacent frames through a KLT method; an instance segmentation and tracking module performs tracking by using a Deep SORT algorithm and is used for providing data association of semantic information; a dynamic object processing module identifies the dynamic feature points through a dynamic object processing algorithm, and rejects the dynamic feature points in positioning and mapping; and an IMU pre-integration module is used for carrying out integration on an IMU measurement value, IMU pre-integration is adopted as an observation value, and direct integration is carried out after a world coordinate system is converted into a local coordinate system; By utilizing the advantages of the visual sensor and the IMU sensor, the IMU sensor improves the problem of positioning failure caused by image blurring when the monocular camera moves fast; and meanwhile, the visual sensor solves the problem that the IMU accumulative error is relatively large.

The invention discloses a g-C3N4 / Al2O3 / ZnO ternary heterojunction material with visible light catalytic activity and a preparation method thereof. The g-C3N4 / Al2O3 / ZnO ternary heterojunction material comprises, by weight 50-70% of g-C3N4, 45-20% of Al2O3 and 5-20% of ZnO. The preparation method of the g-C3N4 / Al2O3 / ZnO ternary heterojunction material comprises: dissolving suitable aluminum nitrate in distilled water, adding prepared g-C3N4 powder, stirring well, dropwise adding NaOH solution until pH is 8-9, stirring, dissolving in zinc nitrate, dropwise adding NaOH solution to maintain pH to 8-9, continuing to stir, filtering by suction, drying, and grinding to obtain a sample precursor, and calcining at 400 DEG C to obtain the g-C3N4 / Al2O3 / ZnO ternary heterojunction material. The preparation method is simple, the raw materials are low in rice, complex equipment is not required, the process is free of pollution, and the material is suitable for industrial batch production.

Flexible and rigid interposers for use in the semiconductor industry and methods for manufacturing the same are described, Auto-catalytic processes are used to minimize the costs associated with the production of flexible interposers, while increasing the yield and lifetime. Electrical contact regions are easily isolated and the risk of corrosion is reduced because all portions of the interposer are plated at once. Leads projecting from the flexible portion of the interposers accommodate a greater variety of components to be tested. Rigid interposers include a pin projecting from a probe pad affixed to a substrate. The rigidity of the pin penetrates oxides on a contact pad to be tested. Readily available semiconductor materials and processes are used to manufacture the flexible and rigid interposers according to the invention. The flexible and rigid interposers can accommodate pitches down to 25 μm.

The invention relates to a transconductance amplifier adopting the signal attenuation technology and a method. The transconductance amplifier comprises differential input-stage input voltages Vin+ and Vin-, and differential input currents are generated. Power voltage VDD is accessed to a signal attenuation circuit, signal attenuation is carried out on the differential input currents, and a current attenuation signal is generated. The power voltage VDD has access to a bias current source, communication is carried out according to the current attenuation signal, and bias currents are output to a first current mirror and a second current mirror. The first current mirror and the second current mirror both copy the bias currents, and copied currents are generated to be transmitted to a third current mirror. The unity-gain bandwidth is increased through the third current mirror, gain amplification is carried out on the copied currents, and an amplifying signal Iout is output. Compared with the prior art, the influence between input and output voltages is low, no additional pole is introduced, and high linearity, high gain and high-precision amplification are achieved.

The invention relates to a full automatic plastic bottle pipe heating blowing machine. The heating blowing machine comprises a bottle pipe charging mechanism, a heating conveying mechanism, a blowing mechanism and a bottle leaking mechanism. The charging mechanism comprises a pipe conveying device, a pipe separating device, a pipe feeding device and a guiding device. The heating conveying mechanism comprises a bottle pipe conveying track arranged on a machine frame, and a bottle pipe supporting piece is arranged in the track. The pipe conveying device is an inclined sliding runner which has a pipe retaining plate at the outlet. The pipe separating device comprises a fixed plate and a sliding plate; a pipe separating cylinder arranged on the fixed plate drives the sliding plate; a U-shaped plate is arranged on the sliding plate; and a blowing block is arranged on a bearing plate. The pipe feeding device comprises a pipe feeding plate which has a pipe receiving port; and a pipe feeding cylinder is driven by the pipe feeding plate. The guiding device comprises a guiding cylinder which drives a guiding head. The bottle pipe conveying track is a sliding track. The supporting piece comprises sliders, and rotating shafts are arranged in the sliders. The sliders are driven to move in the sliding track through cylinders including a heating zone driving cylinder and a blowing zone driving cylinder. After entering a heating zone, the sliders are changed into a status of advancing side by side.

The present invention relates to a CZTS (Cu2ZnSnS4) laminated absorption layer based on the magnetron sputtering method and a preparation method thereof, belonging to the technical field of photovoltaic materials and device new generation. The CZTS laminated absorption layer is prepared by employing the magnetron sputtering method. The CZTS laminated absorption layer comprises a substrate, an iron-doped CZTS absorption layer, an undoped CZTS absorption layer and a Ge-doped CZTS absorption layer which are arranged in order from bottom to top. The CZTS laminated absorption layer takes CZTS materials as a basal body, the magnetron sputtering method is employed, displacement doping of different elements achieves control of different band gap changes, and therefore the CZTS laminated absorptionlayer can selectively absorb and convert a no-passing area of a solar spectrum to achieve effective utilization of the sunlight.

Flexible and rigid interposers for use in the semiconductor industry and methods for manufacturing the same are described. Auto-catalytic processes are used to minimize the costs associated with the production of flexible interposers, while increasing the yield and lifetime. Electrical contact regions are easily isolated and the risk of corrosion is reduced because all portions of the interposer are plated at once. Leads projecting from the flexible portion of the interposers accommodate a greater variety of components to be tested. Rigid interposers include a pin projecting from a probe pad affixed to a substrate. The rigidity of the pin penetrates oxides on a contact pad to be tested. Readily available semiconductor materials and processes are used to manufacture the flexible and rigid interposers according to the invention. The flexible and rigid interposers can accommodate pitches down to 25 μm.

The invention discloses a narrowband radar target tracking method based on a deep long short-term memory network, which mainly aims to solve the problem of effective tracking caused by mismatch of a tracked target motion type and a preset target motion type in narrowband radar target tracking. The implementation steps of the invention are as follows: (1) constructing a training data set composed of various motion types; (2) building a deep long short-term memory network; (3) normalizing the training set; (4) training the deep long short-term memory network; and (5) performing narrowband radartarget tracking. According to the narrowband radar target tracking method based on the deep long short-term memory network, effective tracking with higher accuracy for targets of various motion typesand maneuvering targets can be implemented.

The invention discloses a hyperspectral built-in push-broom imaging structure based on an unmanned aerial vehicle and an application method thereof, and relates to the technical field of optical imaging. The technical problems that an existing imaging mode is complex in structural design, large in space and low in precision are solved. The system comprises an imaging lens, a detector, a system control mainboard and a system structure fixing bottom plate; one end of the imaging lens is connected with a fixed lens adapter plate, and the other end of the fixed lens adapter plate is connected witha fixed camera adapter plate; the other end of the fixed camera adapter plate is connected with the detector; the fixed camera adapter plate is further provided with a driving displacement assembly;the driving displacement assembly is located at the upper end of the detector and fixed to the system structure fixing bottom plate. According to the invention, the imaging of a real object is realized through the displacement of the detector, and the technical problems of complex structural design, large space and low precision of an existing imaging mode can be effectively solved.

The invention relates to a bottle pipe conveying mechanism for a full automatic heating blowing machine. The bottle pipe conveying mechanism comprises a machine frame on which a bottle pipe conveying track is arranged. A bottle pipe supporting piece is arranged in the track and driven by a dynamic force. The track is divided into a charging zone, a heating zone, a blowing and forming zone and a bottle leaking zone. The bottle pipe conveying mechanism is characterized in that: the track is a sliding track; the supporting piece comprises sliders and rotating shafts are arranged in the sliders; the rotating shafts are provided with shaft holes for holding bottle pipes; free wheels wheels are arranged on the rotating shafts; the bottle pipe supporting piece is driven to move in the sliding track through cylinders; after entering the heating zone, the sliders are changed into a status of advancing side by side; and the sliders have 2 rows or 4 rows or more than 4 rows of rotating shafts in transverse arrangement. The technical proposal brings about a small complete machine size and a high thermal utilization factor. The bottle pipe conveying mechanism has electricity conservation, reliable operation, discontinuous advance, and correct positioning.

The invention discloses a high-precision automatic viscometer sample inlet unit and an automatic viscometer sample injector. The high-precision automatic viscometer sample inlet unit comprises a sample injection needle guide unit, a three-way joint, a gas inlet screw and a sample injection pipe. An output port of the sample injection needle guide unit and a first interface of the three-way joint are arranged in a sealed manner, and the gas inlet screw and a second interface of the three-way joint are arranged in a sealed manner; and one end of the sample injection pipe is sealed with a third interface of the three-way joint, and the other end of the sample injection pipe is communicated with a sample injection port of a chromatographic instrument. According to the invention, the high-precision liquid sample inlet device matching the sample injection needle is arranged on a sample injection station; the high-precision liquid sample inlet device has the advantages that the sample injection requirement of the sample injection needle can be met; therefore, after each time of sample injection is completed, the device blows air to the device, so that residual samples can enter instrumentequipment, the cleanness of a sample injection pipeline is ensured, and the sample injection precision is greatly improved while a problem that an existing automatic sample injector does not match aninterface of sample injection equipment is solved.

The invention discloses a bridge type input resistance negative feedback CMOS (Complementary Metal Oxide Semiconductor) pre-amplifying circuit, which consists of an input part and an amplification part, wherein the input part is directly coupled with the amplification part. According to the circuit, a balance bridge type input structure is adopted for the input part, 1 kilo-ohm bias resistance is adopted for each of two branch circuits of the input part, one branch circuit is connected with a detector to form a path, the other branch circuit is connected with a blind pixel to form another path, and the two paths form the balance bridge type input structure; in order to meet the requirements of different amplification factors and achieve adaptability to the amplification readout of detector signals with different response ratios, a variable gain resistance negative feedback structure is adopted for the amplification part, selectable 5, 2 or 1 meg-ohm feedback resistance is adopted between the negative input end and the output end of the amplification part, and feedback resistances with different magnitudes are formed under the control of two MOS switches; in order to enable the circuit to work at low temperature of liquid nitrogen, a common-source common-gate structure is adopted for a differential amplifier in the amplification part, and the differential amplifier is powered by positive and negative power supplies.

The invention discloses a sequential space-time adaptive processing parameter estimation method. The method mainly solves the problems of grid mismatching, high computational complexity and the like existing in space-time two-dimensional parameter joint estimation in the prior art. The method comprises the steps that an electromagnetic pulse emitter and a uniform linear array are deployed; the linear array is used for receiving echoes reflected by peripheral objects and conducting space-time signal modeling; a sampling covariance matrix of space-time signals is calculated; a space-time power spectrum is initialized; a space-time relative probability spectrum is established and prior knowledge is extracted; time domain parameter estimation is carried out on the basis of rotation invarianceof a pulse sequence; space domain parameter estimation is carried out on the basis of rotation invariance of the uniform linear array; meshing-free space-time parameter estimation parameters are matched to finally obtain space-time parameter estimation results. According to the method, the efficiency and precision of target characteristic parameter estimation in the space-time adaptive processingprocess are improved, and the method can be applied to the fields of airborne radar detection tracking, unmanned aerial vehicle communication and the like.

The invention provides a CT-CBCT image deformation registration method. The method belongs to the technical field of medical image processing, and specifically comprises the following steps: preprocessing a CBCT image and a CT image; establishing local control points of the image A and the image B and determining fields and sizes of the control points; comparing the neighborhood gray average EA of the ith control point QAi of the image A with the neighborhood gray average EB of the ith control point QBi of the image B; and finishing deformation registration of a group of CT images and a group of CBCT images. According to the method, two-stage evaluation is adopted for control point neighborhood gray scale correction registration to judge a dark area and an artifact area, so that local gray scale correction registration is performed on two groups of images in a targeted manner according to whether the dark area exists or not and whether the artifact area exists; in addition, local control points are established on the basis of two groups of images participating in registration by utilizing gradient change characteristics and adopting a grid division mechanism, and local gray correction registration is performed on the basis of neighborhoods of the control points, so that global blind matching is avoided.

The invention discloses a preparation method of a poly-3-hexylthiophene / biomass carbon / SnO2-x nano-composite photocatalytic material. SnO2-x and biomass carbon semiconductor heterojunctions are loadedon poly-3-hexylthiophene (P3HT) in a chemical bond complexing mode to obtain the nano-composite photocatalytic material. Photo-induced electron-hole recombination in photocatalytic reaction is sufficiently inhibited by the aid of visible-light photocatalytic oxidation-reduction properties of SnO2-x, excellent electrical conductivity of the biomass carbon, electrical conductivity of the poly-3-hexylthiophene (P3HT) and a heterojunction structure with three chemically bonding components, so that the performances of photocatalytic oxidation-reduction pollutant degradation and hydrogen productionfrom photocatalytic water splitting can be improved. Besides, the problem of difficulty in recovery of powder materials can be effectively avoided by the aid of easiness in shaping of the poly-3-hexylthiophene (P3HT), so that the poly-3-hexylthiophene (P3HT) / biomass carbon / SnO2-x nano-composite photocatalytic material prepared by the preparation method is a recyclable novel environment-friendly photocatalytic material.

The invention relates to an all-glass curtain wall supporting structure. By adjusting the position of the fixing piece in the vertical direction of the long waist hole or the long hole in the washer, the height of the connecting piece can be adjusted, so that the fixing between the connecting piece and the glass rib The position can be adjusted according to the fixed position of the glass panel and the connecting piece, which overcomes the problem that the height of the fixed position of the connecting piece and the glass rib and the fixed position of the glass panel do not match due to processing errors, and prevents the glass rib or glass The panels shatter, keeping the glass ribs and glass panels safe. In addition, since the fixing part is located in the long waist hole or the long strip hole, after the glass curtain wall is slightly deformed by the wind force, the fixing part will still not contact the top and bottom inner walls of the gasket, so the gravity of the glass panel will not move along. The fixing parts are transmitted to the glass ribs, and the gravity of the glass panel is always fully borne by the pull rods or cables, thus preventing the glass ribs from breaking and protecting the safety of the glass ribs.