142results about How to "Reduce repetitions" patented technology

A method of slice selective multiple quantum magnetic resonance imaging of an object is disclosed. The method is effected by implementing the steps of (a) applying a radiofrequency pulse sequence selected so as to select a coherence of an order n to the object, wherein n is zero, a positive or a negative integer other than ±1; (b) applying magnetic gradient pulses, so as to select a slice of the object to be imaged arid to create an image; and (c) acquiring a radiofrequency signal resulting from the object, so as to generate a magnetic resonance slice image of the object. The method provides slice selective multiple quantum magnetic resonance images of yet unprecedented quality in terms of contrast. The method is particularly useful for imaging connective tissues.

The embodiment of the invention discloses a method and apparatus for providing a video cover. The method comprises: a video file uploaded by a user is received, a scene changing key frame is determined according to a changing situation of contents of adjacent frames in the video file, and a picture corresponding to the scene changing key frame is cut out; on the basis of a pre-trained machine learning model for picture classification, the cut pictures are graded and ranked; according to the ranks, the preset number of the pictures having the high scores are used candidate pictures for a video cover and are provided for a user, so that the user can select one from the candidate pictures for the video cover. Therefore, missing of all important scenes in the video file can be avoided; picture repetition in the provided candidate pictures for the video cover can be reduced; the qualities of the candidate pictures are improved; and the user can select a proper video cover conveniently.

Provided are an LDPC decoding apparatus and method using a sequential decoding algorithm having a partial group, capable of reducing the number of an iterative decoding by more than half without degrading the performance and increasing an amount of computation. The LDPC decoding method includes the steps of: receiving a prior probability information (channel values) based on information on channel values associated with distance between symbol signals in constellation related to the received noise and LDPC encoded data, and initializing bit nodes; dividing check nodes into partial groups before updating check node information based on the prior probability information, and performing a decoding by applying a sequential decoding algorithm; determining whether a parity check equations are satisfied; and outputting decoded messages obtained when satisfying the parity check equation or after terminating an iterative processor by a termination algorithm.

The disclosure provides a method for administering an agent to an avian species by in ovo delivery of an implant releasably containing the agent. In one embodiment, the method is particularly advantageous for stimulating an immune response in a bird by in ovo administration of a biocompatible implant releasably containing an immunogen. The implant can provide for sustained or delayed release of the immunogen or both. The amount of immunogen that is released from the implant into the bird is preferably sufficient to effectively stimulate a primary immune response to the immunogen. Other agents which can be administered according to the method of the invention are disclosed.

A method and an apparatus are provided for estimating a carrier-to-interference and noise ratio (CINR) in an orthogonal frequency division multiplexing (OFDM) communication system. The apparatus and method include a receiver for receiving a signal carried by a transmission sub-carrier including a guard band allocated to a region. Further, an estimator is provided for removing a signal component dispersed by the guard band included in a noise component of the received signal, and for estimating a CINR by calculating signal component power and interference and noise component power from the received signal from which the dispersed signal component is removed.

The invention discloses a titanium dioxide nanometer hole array film and a preparation method thereof. A hole in the film is an ordered through hole array; the diameter of the through hole thereof is 15 to 130 nm, the hole pitch thereof is 25 to 200 nm, and the porosity thereof is 30 to 40 percent; the thickness of the film is 10 to 1000 nm; the preparation method comprises the following steps: step 1, obtaining a porous aluminum oxide template with the hole diameter of 20 to 150 nm by using the secondary oxidation process; step 2, preparing precursor solution by using absolute ethyl alcohol, glacial acetic acid, butyl titanate and water, then adding polyethylene glycol into the precursor solution after the pH value of the precursor solution is adjusted to 2 to 3 by using nitric acid, and finally obtaining precursor sol; and step 3, firstly coating the precursor sol on the porous aluminum oxide template for at least one time and thermally insulating and drying the precursor sol for at least one time, then placing the aluminum oxide template coated with the precursor sol after being annealed into strong alkaline solution to corrupt the porous aluminum oxide template, and finally preparing the titanium dioxide nanometer-hole array film. The invention can be widely applied to the fields of sensors, catalysis, photo catalysis, photonic crystal, etc.

The invention discloses a mask plate loading technology. It includes the following steps: taking plate from the bank; rough pre-aiming; mask plate connecting; fine pre-aiming. The precision of invention can reach that x direction minus or plus 1um, y direction minus or plus 1um, rz direction minus or plus 0.05mrad. Meanwhile, the fine pre-aiming can be reduced from traditional 3-5 times to 1 time, which can greatly increase pre-aiming efficiency and production rate.

In a wireless device monitoring system including a mobile telephone and an authentication apparatus, a controller of the authentication apparatus repeatedly executes a distance detection processing based on a received level of a received wireless signal and an authentication processing based on authentication data included in the received wireless signal continuously at a first communication interval T1 and a second communication interval T2, respectively, and outputs an alarm signal or executes a predetermined control processing when a true counterpart electronic apparatus is not present or when the true counterpart electronic apparatus is apart from the electronic apparatus by a distance longer than the predetermined threshold distance. When a first communication time T11 for the distance detection processing is shorter than a second communication time T12 for the authentication processing, the T1 and the T2 are set to satisfy T1<T2.

A first pulse sequence is executed on an imaging portion of an object to be examined using a multiple receiving coils including a plurality of receiving coils to obtain sensitivity images 701 to 703, each of n in number, which is smaller than the number of examination image. When those sensitivity images are calculated, NMR signals are measured only in a low-frequency region of a k space. Next, a second pulse sequence is executed while phase encoding steps are thinned out to acquire examination images 704 and 705, each of m in number (m>n), of the object with each receiving coil. When sensitivity distributions 707 and 708 are generated on the basis of sensitivity images 701 to 703, if a sensitivity distribution on a slice corresponding to examination images 704 and 705 is not yet measured, it is calculated with a slice interpolation processing on the basis of sensitivity distributions 701 to 703, and an aliasing artifact in examination images 704 and 705 are removed using sensitivity distributions 707 and 708 with a matrix calculation.

Disclosed is a method of producing xylitol using a hydrolysate containing xylose and arabinose prepared from byproducts of tropical fruit biomass and more precisely, a method of producing xylitol which includes the steps of producing xylose and arabinose by the pretreatment of tropical fruit biomass byproducts including coconut shell, palm shell and oil palm empty fruit bunch (OPEFB) via acid (0.2-5%) hydrolysis and an electrodialysis and an ionic purification; and producing xylitol with high yield based on repeated batch fermentation using a hydrolysate containing xylose and arabinose as a carbon source. In addition, the present invention relates to an active carbon produced by carbonization and activation of a hydrolysate remainder of a tropical fruit shell, the byproduct of xylose and arabinose production, at a certain temperature and a preparation method of the same.

The invention discloses an information retransmission method and a base station, relates to the technical field of a honeycomb based NB-IoT (Narrow Band Internet of Things) and can increase the success rate of UE relatively far away from the base station to access the NB-IoT in a same coverage enhancement level area. The information retransmission method comprises the steps that the base station receives signal quality reported by the UE, so that the base station determines the number of replications of transmitting downlink information to the UE based the signal quality reported by the UE, and the number of replications of transmitting the downlink information to the UE by the base station is in negative correlation with the signal quality reported by the UE; and the base station transmits the downlink information to the UE based on the determined number of replications. The scheme provided by the invention is suitable for the process in which the base station transmits the downlink information to the UE repeatedly.

The invention provides a pre-processing method for data collection based on a floating car, which comprises the following steps that: step 10, the floating car collects the car number, position, speed, direction and time information by different collecting periods within a pre-set time in the running process, wherein the collecting period is dynamically adjusted; step 20, the floating car filters and compresses the collected car running data to acquire high-value compression data set; step 30, the floating car transmits the compression data set to a data center by a mobile cell in a communicating way; and step 40, the data center de-compresses and restores the received compression data set to acquire the decompressed data set and the decompressed data set is stored in the database. The pre-processing method disclosed by the invention can change the sampling period in real time, filter and compress the collected data, acquire higher data collecting precision, reduce the communication cost of data transmission, and reduce the data processing amount of the center data. Therefore, the pre-processing method is significant for improving the processing capabilities of various traffic information service systems.

This invention discloses an electric tobacco grinder, comprising an electric controlling member and a grinding member, wherein: the electric controlling member comprises a body case for electric controlling member, two batteries, a reducing motor, and a PCBA controlling board; the reducing motor is disposed within the inner center of the body case; the batteries are disposed in the corresponding battery container of the body case, wherein the two battery containers are located adjacent to both sides of the reducing motor; the PCBA controlling board is disposed within a flat port of the body case; the grinding member comprises: a grinding upper case, a grinding lower case, a bottom cover, an upper reamer and a lower reamer; the grinding upper case is embedded to fix itself under the body case; the lower reamer is disposed within the grinding lower case that is screwed up beneath the grinding upper case.

The invention provides a processing method for carrying out reduplication removal on Internet resources, which comprises the following steps of: downloading resources and description information of the resources from the Internet; placing the description information of the resources into a database and carrying out corresponding storage on resource packages, wherein only one piece of description information is stored for the resources with the same website source and the same resource name and resource version; extracting out the description information in the resource packages by an extraction program and updating the extracted description information of the resource packages into the database; scoring the informativeness of each resource by a scoring program and giving a corresponding score; combining the resources of which the names are the same with those of the resource packages into one group by a grouping program; and carrying out selection on the same resources according to scores of the resources by a prepotency program and providing the selected resources for a user. The invention also provides a processing system for carrying out reduplication removal on the Internet resources. Due to the adoption of the scheme, the duplication of the resources is lowered and the user is prevented from downloading wrong resources.

An electric power steering apparatus includes an rotating AC machine which generates an auxiliary torque for assisting a steering torque of a steering system; and a controller which performs control so that the allowed electric current amplitude of the rotating AC machine becomes large if a rotational speed of the rotating AC machine is increased. Accordingly, it is possible to release or lessen the limit on the number of repetitions or continuous time of the “stationary steering” or the “end contact”.

A Chinese medicine in the form of suppository for treating lumbar vertebra disease, lumbar intervertebral disc protrusion, tonic rachitis and hyperosteogeny is prepared from 10 Chinese-medicinal materials including astragalus root, capejasmine fruit, musk, cinnamon twig, etc through pulverizing, extracting in alcohol, filtering, concentrating by distilling, to obtain concentrated liquid, immersing catgut suture in physiologic saline, baking, shearing short, putting them in bottle, filling said concentrated liquid, sealing and magnetizing.

Provided are a label printing control device, a non-transitory computer-readable storage medium storing a label printing control program and a label printing control method. The label printing control device includes a cut mark extraction section that obtains print data including at least label images and corresponding cut marks and extracts the cut marks from the print data, and an end product image creation section that creates an end product image by removing the cut marks from the print data. The label printing control device further includes an apex finding section that finds apexes of the cut marks, an adjusting image creation section that creates an adjusting image including the cut marks with graduations added adjacent to each apex, and a print instruction section that instructs a label printing device to print the end product image and the adjusting image successively on pre-die-cut label material.

The invention relates to a preparation method of a nanofiltration membrane by a particle packing method, belonging to the field of inorganic membrane preparation. The method adopts aluminium oxide fine powder with a certain particle size to carry out filling pretreatment to a ceramic support body, and achieves the purpose of modifying the surface of the support body and inner pore diameter, thus improving the membrane-making quality of the post stage and simplifying the preparation technique. The invention shortens the technique steps from 15 to 21 steps for repeating the steps of coating, drying and hot treatment for 5 to 7 times in the traditional membrane-making technique by a sol-gel method to the 10 steps and shortens the period from 30 days to 10 to 12 days.

When carrying out a weighted addition on the in-phase added values of pilot signals and simulated pilot signals of the data section about the nth slot, the channel estimation circuit 104 controls the weighting factors according to the number of iterations of channel estimation. That is, the channel estimation circuit (104) carries out channel estimation by decreasing weights of simulated pilot signals in addition to pilot signals in a stage in which the number of iterations is small and by increasing weights of simulated pilot signals in addition to pilot signals in a stage in which the number of iterations is large. In iterative channel estimation, this makes it possible to improve the accuracy of channel estimation in the initial stage and carry out high accuracy channel estimation with a small number of iterations of recursive channel estimation.

An optical device which can operate as a single photon emitter 1, comprising a three dimensional optical cavity 7 which spatially confines a photon to the order of the photon wavelength in all three dimensions. The cavity 7 is configured to define preferred emission direction for photons entering the cavity. A photon can be supplied to the cavity using a quantum dot 5. Strong coupling can occur between the cavity 7 and the quantum dot 5 which causes the formation of two hybridised modes. Switching on an off the coupling by irradiating the device with radiation having an energy equal to that of one of the hybridised modes allows the device to act as an optical switch.