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42results about How to "Reduce complicated steps" patented technology

End-to-end non-contact atrial fibrillation automatic detection system and method based on vPPG signal

The invention discloses an end-to-end non-contact atrial fibrillation automatic detection system based on a vPPG signal. The system comprises a data preprocessing module which is used for recording aface video of a to-be-detected user, removing the positions, with large beginning and ending noise interference, of the recorded video, carrying out downsampling, and cutting the video to be with theunified length and size; a pulse wave extraction module which is used for extracting the vPPG signal of the face video through a P3D convolutional neural network; a data denoising module which is usedfor denoising vPPG data based on a neural network of FCN-DN; and an atrial fibrillation detection module which is firstly used for training a model to enable the model to learn to divide an atrial fibrillation segment and a non-atrial fibrillation segment, and then inputting a vPPG signal segment to be detected into the trained atrial fibrillation detection model so as to judge whether the vPPG signal to be detected contains the atrial fibrillation segment or not. A parallel network combining a long-term and short-term memory network containing an attention mechanism and a convolutional network provided by the invention enables the detection of the model to be comprehensive, high in precision and good in effect.
Owner:HEFEI UNIV OF TECH

An intelligent navigation system and method based on wearable equipment

The embodiment of the invention relates to the technical field of scenic spot navigation, and discloses an intelligent navigation system and method based on wearable equipment, and the system comprises a detection terminal which is used for detecting whether target wearable equipment exists in a preset scenic spot position range corresponding to the detection terminal; if yes, target user information of the target wearable device is read, and the target user information is sent to a background server; the background server is used for generating target guide information matched with the targetuser information and the scenic spot information according to the target user information and the scenic spot information corresponding to the detection terminal; Sending a starting instruction to the navigation device according to the target navigation information; and the navigation device is used for starting according to the starting instruction and presenting a navigation scene matched withthe target navigation information, so that a target user corresponding to the target wearable device obtains the explanation information corresponding to the scenic spot information in the navigationscene. Therefore, by implementing the embodiment of the invention, an intelligent scenic area automatic guide service can be provided for tourists.
Owner:GUANGZHOU LEAFUN CULTURE SCI & TECH

Digital caliper for rapidly measuring various sizes of capacitors

The invention provides a digital caliper for rapidly measuring various sizes of capacitors, belonging to the technical field of measuring tools. The invention aims to solve the technical defect that existing digital display calipers are not suitable for batch detection of the sizes of the capacitors. According to a technical scheme in the invention, the digital caliper comprises a main caliper, a caliper frame, a circular bearing platform mechanism, a first distance measuring sensor assembly, an auxiliary caliper, a longitudinal measuring rod, girdling anvil assemblies, a second distance measuring sensor assembly, a capacitive grating sensor assembly, a processor and a display. The digital caliper has the beneficial effects that a measured capacitor is clamped through the circular bearing platform mechanism and a main caliper measuring jaw; the height of the measured capacitor and the height of a girdling part are measured through the main caliper and the auxiliary caliper; the diameter of the measured capacitor is measured through the first distance measuring sensor assembly located on the periphery of the measured capacitor; the girdling part is clamped through the girdling anvil assemblies correspondingly connected to the two ends of the longitudinal measuring rod in a sliding mode; the diameter of the girdling part is measured through the second distance measuring sensor assembly; values of various sizes of the measured capacitor are obtained through the processor and are displayed through the display; and the purpose of measuring various sizes of the capacitor at a time is achieved, and detection efficiency is high.
Owner:深圳市新中元电子有限公司

CPP film book cover production process

The invention discloses a CPP thin film book cover production process, relates to a thin film production and processing technology, and aims to solve the problems that the production efficiency is easily influenced during production due to more and more complicated steps of an original book cover manufacturing method, and meanwhile, the edge of a CPP thin film obtained by cutting is sharp, so that people are easily scratched. According to the technical scheme, the method is characterized by comprising the following steps that firstly, materials are weighed and mixed; step 2, feeding and stirring: sequentially feeding the materials into a hopper stirrer, feeding a small amount of materials at a middle section, and continuously stirring for a certain time after all the materials are fed; 3, pumping and melting the materials, and pumping the stirred materials into a CPP casting machine for heating; and 4, film blowing, wherein after the temperature in the CPP casting machine reaches the set temperature, material injection and film blowing are started. Production can be carried out through thermal shaping, the production steps can be reduced, the working efficiency is improved, the edge of the obtained book cover is round, and people are not prone to being hurt when touching the book cover.
Owner:浙江本源纸塑科技有限公司

Pressing type spanner repeatedly operated

The invention discloses a pressing type spanner repeatedly operated. According to the spanner, one end face of a drive handle part is provided with an abutting part and an accommodating groove, the other end of the drive handle part is provided with a holding part, and a pivot hole is formed between the abutting part and the accommodating groove in a penetration mode; a ring sleeve part is provided with a nesting hole in a penetration mode, a sectioning hole is formed in the peripheral side of the ring sleeve part and communicates with the nesting hole, the end, provided with the abutting part, of the drive handle part is inserted into the sectioning hole, the ring sleeve part is provided with a punched hole corresponding to the pivot hole, and a bolt part penetrates through the punched hole and the pivot hole; an elastic part is arranged inside the accommodating groove; and a screw and a nut are arranged in the nesting hole in a penetration mode and are clamped and abutted by the abutting part and a wall of the nesting hole, the abutting part and the wall of the nesting hole can abut against the screw and the nut in a clamping mode for realizing locking and meshing through back-and-forth repeated pivoted swinging of the drive handle part, and slippage of the ring sleeve part can be elastically driven by the elastic part so that the meshing state can be removed.
Owner:SON YUIOS IND
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