35results about How to "Fully updated" patented technology

The invention relates to an LDPC (Low Density Parity Check Code) decoding method based on variable node dynamic block update for an MLC (Multi-Link Control) type NAND-Flash, which comprises the stepsthat S1, in an NAND-Flash storage channel, dividing variable nodes in a non-overlapping region into Data blocks, and dividing the variable nodes in the overlapping region into overlap sub-blocks; S2,continuously subdividing the Data blocks into a plurality of data sub-blocks; s3, skipping a plurality of data sub-blocks, sequentially updating the variable nodes in the remaining data sub-blocks andoverlapping sub-blocks respectively according to the sequence, searching out low-value variable nodes in each data sub-block and overlap sub-block respectively, and updating the low-value variable nodes according to the sequence; s4, judging whether a judgment condition is met or not, if yes, updating variable nodes of the plurality of data sub-blocks skipped in the step S3 in sequence and repeating the step S3, and if not, repeating the step S3; and S5, judging whether the decoding is successful or not, if not, continuing the step S4, and if so, ending. Information generated by updating thereliable nodes is used for driving and updating unreliable nodes, and the utilization rate of iteration updating information is increased.

The invention discloses an ECG signal detection device and analysis method based on a joint neural network. First, a joint neural network algorithm is built on a machine learning server and a model is trained. For the preprocessed ECG data, the model is passed through the residual neural network. The network module extracts the spatial features of the data and obtains the spatial classification probability, and extracts the time-series features of the data on the dimensionality-reduced spatial feature map through the bidirectional long-short-term memory neural network and the attention module to obtain the time-series classification probability, and finally fuses the two classification probabilities Obtain the test results; obtain a small amount of ECG data from the wearable device, manually mark it and input it into the machine learning server for model fine-tuning, and deploy the final model to the smart mobile device; finally, the wearable device and the smart mobile device will be connected through wireless Transport enables real-time anomaly detection. The present invention develops a wearable device from collection to real-time detection of electrocardiographic signals, and provides effective technical means for assisting in the diagnosis of heart diseases.

The invention discloses an odd-finding-recommendation-oriented interest model updating method, which is used in a portal personalized recommendation service system; the invention is characterized in that: the odd-finding-recommendation-oriented interest model updating method comprises a long-term interest model modification rule LMR, a long-term interest model update rule LUR, a short-term interest model structure / update rule SUR, and an interest drifting detection rule IDR. The user interest model updating method of the invention can partly update interest description of the user, obtain the short-term interest situation of the user easily, satisfy the need of the odd finding recommendation, and realize the efficient and accurate updating of a user interest model; and moreover, the method can identify and process noise data, and avoid influences of the noise data on the stability of the user interest model when quickly responding to interest drifting at the same time. The updating method of the invention can identify and process the noise data, thus improving the accuracy and the stability of the user interest model.

The invention provides a method for strengthening anaerobic digestion of sludge by acid fermentation of kitchen waste based on isoelectric point, which comprises: performing acid production on kitchen waste by anaerobic fermentation to obtain acid production liquid by fermentation of kitchen waste; Collect the food waste fermentation acid production liquid, collect the fermentation acid production supernatant and fermentation residue respectively; use the fermentation acid production supernatant to condition the sludge to the isoelectric point of the sludge; separate the conditioned sludge from solid and liquid, separate Collect the first supernatant and sludge deposits; adjust the first supernatant with lye, perform centrifugation, and collect the second supernatant and metal deposits respectively; treat the second supernatant with a cation exchange resin, Collect the filtrate; mix and stir the fermentation residue, sludge deposits and filtrate to obtain a mixture; carry out anaerobic digestion, and collect biogas and biogas residue; the present invention utilizes the food waste fermentation acid production liquid to provide exogenous hydrogen protons to remove pollution The heavy metals in the sludge can effectively dispose of kitchen waste while strengthening the resource utilization of sludge.

The present invention discloses a method and system for monitoring update contents of a website. The method comprises the steps of pre-calculating and storing update time intervals of a to-be-tested website according to update frequency of the to-be-tested website; obtaining webpage contents of the to-be-tested website and extracting text values of items at a time of every update time interval; and comparing the text values of the items extracted from the current webpage contents with the text values of the items extracted from the last webpage contents, and calculating and obtaining the items with the text values changed. The system comprises a pre-calculating module, a web crawler, a denoising module, a comparing and calculating module and a matching module. The update contents of the website can be rapidly and accurately obtained with little calculated amount, real-time update monitoring can be carried out for any website, and application is wide and comprehensive.

The present invention relates to a management system and method based on image processing. The method includes: using at least one first image acquisition device for acquiring a first image to determine the absolute position of at least one person in the area where the shelf is located and the person relative position with respect to at least one shelf carrying at least one item; using at least one second image capture device for detecting a second image of the hand of at least one person; using at least one third image capture device for A third image for detecting the hand of at least one person; wherein, based on a comparison of the second image and the third image, it is determined that the state of the corresponding person holding the object is identified in response to the state of the person holding the object The change of at least one inventory position of the shelf in the predetermined relative position around the absolute position, and thereby determine the correspondence between the item and the change of the inventory position.

The invention discloses a rotary drum type photo-catalytic reaction device. A metal reactor bracket is connected with an outer cylinder barrel; the outer cylinder barrel is supported by the metal reactor bracket; a certain included angle is formed between the outer cylinder barrel and the ground; an inner cylinder barrel is placed in the outer cylinder barrel; three uniform annular permanent magnets are mounted on the outer wall of the inner cylinder barrel and are matched with the outer cylinder barrel; a light source is inserted into the center of the outer cylinder barrel and is not in contact with the outer cylinder barrel; a shoveling plate is mounted on the inner wall of the inner cylinder barrel and is parallel to the light source; an annular permanent magnet is parallel to the three uniform annular permanent magnets and is mounted outside the outer cylinder barrel; the shoveling plate and the inner cylinder barrel rotate together, so that a catalyst can be updated; a sealing metal flange is mounted at the top of the outer cylinder barrel; a gas inlet and a gas outlet are symmetrically formed in the sealing metal flange and cannot rotate along with the inner cylinder barrel; screws are arranged at two ends of the sealing metal flange. The surface of the catalyst can be updated, and the problem of sealing caused by mechanical stirring is solved.

The invention relates to an advertisement promotion system and an advertisement promotion method based on a China mobile multimedia broadcasting (CMMB) system. The advertisement promotion method includes a first step of enabling an advertisement release center to send advertising information to a program integration platform through the internet, a second step of enabling the program integration platform to send the received advertising information to advertisement receiving terminals through the CMMB network, a third step of enabling the advertisement receiving terminals to display the received advertising information, and a fourth step of enabling the advertisement receiving terminals to feed back confirmation letters for successful reception to the advertisement release center through the internet after the advertisement receiving terminals receive the advertising information, wherein the advertisement release center regularly detects the advertisement receiving terminals which do not feed back confirmation information and reissues the corresponding advertising information to the advertisement receiving terminals without feedback of the confirmation information through the internet. The advertisement promotion system is simple in structure, easy to realize and low in cost. The advertisement promotion method is fast in updating, high in efficiency, overall in updating and capable of achieving remote updating.

The invention discloses a Venturi tube and its application. The Venturi tube includes a constriction section, a throat, a diffusion section and several groups of liquid phase nozzles arranged parallel to the axial direction; The nozzles are respectively arranged at the end of the contraction section and the beginning of the diffusion section, wherein the beginning of the contraction section is the gas phase inlet, the end of the diffusion section is the gas-liquid outlet, the liquid phase inlet is set on the tube wall of the contraction section and / or the diffusion section, and the liquid phase inlet Connect the liquid phase nozzle through the pipeline. The invention provides a Venturi tube with simple structure and good gas-liquid mixing effect. The Venturi tube has a good application prospect in the process of gas-liquid mass transfer, and is especially suitable for gas dust removal, such as flue gas desulfurization and flue gas dust removal. , cooling and other fields.

The invention relates to aromatic polycarbonate and a preparation method of the aromatic polycarbonate. The method comprises the steps of diaryl carbonate and aromatic dihydroxy compound raw material deoxygenation treatment, raw material and catalyst melt mixing, prepolymerization, prepolymer and carrying agent gas-liquid mixing, mixture heat exchange, polymerization reaction in a multi-section flow guide falling film type polycondensation reactors and the like. The aromatic polycarbonate produced by adopting the method provided by the invention has the advantages that the molecular weight isstable, the distribution is narrow, and the product chromaticity is good. The method solves the environment pollution problem, the serious equipment corrosion problem and the problem of performance influence caused by the separation and purification difficulty of polycarbonate products in the existing interface polycondensation method. Therefore, the method provided by the invention is very suitable for the industrial large-scale production of high-quality polycarbonate.

The invention relates to an image acquisition system based on a thermal characteristic image, comprising a thermal image acquisition device for acquiring thermal images of an access mechanism in stilland / or in motion; a temperature regulator for regulating the temperature of the access mechanism; a controller for controlling a temperature regulator and / or a thermal image collector; temperature detector, shelf for real-time record, a temperature value of that environment in which the access mechanism and / or system is located, as the access mechanism moves, the temperature regulator can regulate the temperature of the access mechanism based on the instruction from the controller to regulate the temperature of the access mechanism and / or the temperature value of the temperature detector, soas to increase the temperature difference between the access mechanism and the shelf and / or the ambient temperature, so that the thermal image collector can track and record the access mechanism and generate a thermal image; when the access mechanism is stationary, the thermostat adjusts the temperature of the access mechanism to the same temperature as the shelf so that the thermal image collector no longer tracks the access mechanism.

The present invention relates to a high-precision map production system and method based on road testing equipment. The system includes: a roadside module, including a plurality of roadside units, used to collect road information; a central node, used to summarize the data collected by the roadside module Road information; the cloud server is used to receive the road information summarized by the central node, and complete the construction and update of the high-precision map; the number of the central nodes is multiple, and each central node is wirelessly connected to at least one other central node , the cloud server is wirelessly connected to at least one central node, and n is set at equal intervals along the road direction per kilometer min Roadside units, where n min Obtained by establishing a deployment cost assessment model. Compared with the prior art, the invention has the advantages of low cost, high effectiveness, fault tolerance and the like.

The invention provides a method and device for machining micro annular grooves through hollow laser and electrolysis in a combined mode, and relates to the field of micro-electrolytic machining. Conducting glass is used as a tool cathode, the critical decomposition voltage of electrolytic machining under laser radiation is reduced, electrolytic machining is carried out on a radiation area, and the size of an annular machining area is controlled through a laser beam changing system. The laser beam changing system can be used for changing the size of an annular groove within a certain range, flexibility and softness of machining are obviously improved, under the laser radiation, the critical decomposition voltage of electrolytic machining is reduced, electrolytic machining of the radiation area is achieved, machining precision of the micro annular groove is improved, and the method and device are applied to machining of micro annular grooves of various conducting metal materials.