Abstract: An artificial intelligence self-learning-based automatic electrocardiography analysis method and apparatus, the method comprising data preprocessing, heartbeat feature detection, interference signal detection and heartbeat classification based on deep learning, signal quality evaluation and lead combination, heartbeat verification, analysis and calculation of electrocardiography events and parameters, and finally automatic output of reporting data, realizing an automated analysis method having a complete and rapid flow. The automatic electrocardiography analysis method may also record modification information of an automatic analysis result, collect modified data, and feed same back to the depth learning model to continue training, thereby continuously making improvements and improving the accuracy of the automatic analysis method.

Abstract: An electrocardiogram information dynamic monitoring method and dynamic monitoring system.

Abstract: A winding method for radial magnetic bearing stator, a radial magnetic bearing stator and a radial magnetic bearing. The winding method for radial magnetic bearing stator includes: S110, sleeving a first formed stator winding on a first stator tooth of a stator core along a radial outward direction; S120, sleeving a second formed stator winding on a second stator tooth of the stator core along a radial outward direction; S130, a first coil of the first formed stator winding is connected in series with a second coil of the second formed stator winding; the first stator tooth is adjacent to the second stator tooth, and a stator slot is formed therebetween; and the coil number of the first formed stator winding is larger than that of the second formed stator winding.

Abstract: A visual localization method and apparatus are provided. The method includes obtaining a captured first image, determining a first pose based on the first image and an aerial model, determining whether a ground model corresponding to the first pose exists in an aerial-ground model, and when the ground model corresponding to the first pose exists, determining a second pose based on the ground model. The aerial-ground model includes the aerial model and the ground model mapped to the aerial model, a coordinate system of the ground model is the same as a coordinate system of the aerial model, and localization accuracy of the second pose is higher than localization accuracy of the first pose. Performing fine visual localization based on the ground model can improve accuracy and a success rate of localization.

Abstract: A centrifugal compressor and a refrigerating device. The compressor includes: a shell, which has a fluid inlet at a first position of the shell, and a fluid outlet at a second position of the shell, a motor assembly, which is arranged in the shell and includes a stator and a rotor, the rotor including a vertically arranged rotor shaft, and the rotor shaft including a lower end and an upper end; a centrifugal compression mechanism, an impeller of which is connected with the rotor shaft so as to be driven by the motor assembly; and a guide member, which is located above the centrifugal compression mechanism, and which defines a flow passage alone or together with a top part of the shell.

Abstract: Disclosed herein are related to systems and methods for providing different power supply levels. In one aspect, a first circuit generates a first signal having a first amplitude according to a first supply voltage. A latch may be coupled to a resistor of a plurality of resistors coupled in series. One end of the resistor may be configured to provide to the latch a second supply voltage higher than the first supply voltage according to a third supply voltage higher than the second supply voltage, and another end of the resistor may be configured to receive the third supply voltage. The latch may modify the first signal to provide a second signal, according to the second supply voltage. An amplifier may amplify the second signal to provide a third signal having a second amplitude larger than the first amplitude, according to the third supply voltage.

Abstract: Systems and methods provide a fractional signal from a delta sigma modulator to a summer, a combination of an integer value and the fractional signal to a divider, and a divided clock signal from the divider in response to the combination and the input clock signal. The systems and methods also delay the divided clock signal in response to a truncation phase error and gain calibration factor from a calibration unit to provide an output clock signal having equal periods.

Abstract: A detection report data generation method including acquiring event type information of an electrocardiogram event corresponding to electrocardiogram event data, wherein the event data has one or more pieces of event type information; screening the event data according to signal quality evaluation indexes so as to obtain report conclusion data and report entry data; carrying out quality assessment on an event segment included in the event data according to the signal quality evaluation indexes, and determining a pre-selected sample segment according to a quality assessment result; determining position information of an event heart beat in the pre-selected sample segment, and determining segment interception parameters; carrying out interception processing on the pre-selected sample segment according to the segment interception parameters so as to obtain a typical data segment; generating report graphic data according to the typical data segment; and outputting the entry data, the graphic data and the conclusi

Abstract: The present disclosure relates to a field of chip technology, and discloses a three-phase inverter power chip and a preparation method therefor. The preparation method includes: forming active areas on a substrate and an isolation area located outside the active areas; forming a source electrode, a drain electrode and a gate electrode of a transistor in each active area; forming a first bond pad, second bond pads, third bond pads and fourth bond pads in the isolation area; the source electrode, the drain electrode and the gate electrode of the chip being extended to the first bond pad, the second bond pads, the third bond pads or the fourth bond pads corresponding thereto; and electrically connecting the source electrode, the drain electrode and the gate electrode of the transistor to the first bond pad, the second bond pads, the third bond pads or the fourth bond pads corresponding thereto.

Abstract: A display panel having an adjusting layer and an elastic layer and a method of manufacturing the display panel are disclosed. Structures of stacked layers of a non-display region of the display panel are patterned. The patterned structures and a portion of an encapsulation layer form the adjusting layer. The adjusting layer makes a position of a neutral plane of a pad bending region approach to a position of a layer where a source/drain electrode is disposed.

Abstract: Methods, devices, and systems for digital space management in virtual reality and augmented reality are described. A method can include a terminal that logs in to a preset application based on a first user identifier, presents a first interface, where the first interface includes a virtual space registration option. In response to an enabling operation of a user for the virtual space registration option, the terminal photographs a first scene to obtain a preview stream, obtains a target geometry, and sends the first user identifier, the preview stream, and the target geometry to a server. The preview stream and the target geometry are used to determine a target virtual space in which a user with the first user identifier has virtual content editing permission in a first virtual space. The first virtual space is a virtual space corresponding to a real world including the first scene. The target geometry is used to represent a form of the target virtual space.

Abstract: A method, an apparatus, and a medium for determining a pose are provided. The method includes: receiving a query image sent by a terminal and N text fields included in the query image; determining a candidate reference image based on a prestored correspondence between a reference image and a text field and based on the N text fields; determining an initial pose of the terminal at the first location based on the query image and the candidate reference image; and sending the initial pose to the terminal. According to the method, a candidate reference image is queried based on a text field, and an initial pose of a terminal is obtained based on a candidate reference image with higher accuracy. Therefore, the obtained pose is more accurate.

Abstract: The present disclosure relates to a learning situation analysis method and apparatus, an electronic device, a storage medium and a computer program. An example method includes: acquiring in-class video data to be analyzed; obtaining an in-class action event by performing a student detection on the in-class video data, wherein the in-class action event reflects an action of a student in class; and determining a learning situation analysis result corresponding to the in-class video data based on the in-class action event, wherein the learning situation analysis result reflects a learning situation of the student in class.

Abstract: An organic light emitting diode (OLED) device and the method of manufacturing thereof. The OLED device comprising a substrate, a display region, a non-display region, and an encapsulation structure; wherein the encapsulation structure comprises: at least one ring of barrier wall on the non-display region; an encapsulating film laminate covering the display region and the non-display region, the encapsulating film laminate comprising an organic film; an organic thin film detecting device surrounding the barrier wall, after detecting that the organic film overflows the barrier wall, the organic thin film detecting device emits an electrical signal indicating overflow.

Abstract: Provided are a method for acquiring a parallel corpus, an electronic device, and a storage medium. The method includes: acquiring text data in a target document; performing language detection on the text data; in response to the text data including at least two languages, retaining the text data; detecting a distribution proportion of words in each of the at least two languages among the retained text data; in response to each distribution proportion of words in a first language and in a second language being greater than a preset proportion threshold, retaining the detected text data; extracting sentences in the first language as a first sentence set and sentences in the second language as a second sentence set; performing sentence alignment on the first sentence set and the second sentence set; and determining sentence pairs with alignment degrees greater than a preset alignment degree threshold as the parallel corpus.

Abstract: An air conditioning system includes a main circuit having a multi-stage compressor, a condenser, a throttling element and an evaporator connected by pipelines; and a cooling branch, the inlet of which is connected to the main circuit between the condenser and the throttling element, and the outlet of which is connected to at least one of the first-stage suction port and the intermediate-stage suction port of the multi-stage compressor, wherein the cooling branch flows through the drive motor of the multi-stage compressor, and a regulating valve for controlling the opening of the cooling branch is provided on the cooling branch; and a control module that controls the opening of the regulating valve on the cooling branch based on the temperature of the outlet downstream of the drive motor on the cooling branch and the intermediate suction pressure of the intermediate-stage suction port of the multi-stage compressor.

Abstract: An electrocardiogram information processing method and workstation system. The method includes receiving electrocardiogram data output by multiple devices; performs data analysis on the electrocardiogram data, and generating report data and stores same; receiving a report data query by a user, queries corresponding report data according to a user ID of the user, and generating report result list for display and output; receiving a selection by the user, and obtaining selected report data according to the selection; receiving a report data consultation request input by the user; obtaining a user ID of an associated user corresponding to the user ID according to the report data consultation request, and sending the report data to a user equivalent of the associated user according to the user ID of the associated user; and receiving a consultation result feedback data sent by the user equivalent of the associated user.

Abstract: An artificial intelligence self-learning-based static electrocardiography analysis method and apparatus, the method comprising data preprocessing, heartbeat detection, heartbeat classification based on a depth learning method, heartbeat verification, heartbeat waveform feature detection, measurement and analysis of electrocardiography events, and finally automatic output of reporting data, realizing an automated static electrocardiograph analysis method having a complete and rapid flow. The static electrocardiography analysis method can also record modification information of an automatic analysis result, collect modified data, and feed same back to the depth learning model to continue training, thereby continuously making improvements and improving the accuracy of the automatic analysis method.

Abstract: A configuration aggregation (CA)-based configuration method and related devices are provided, which are applicable to an electronic device. The method includes the following. Target information is determined, where the target information includes a mobile country code (MCC) and/or a mobile network code (MNC). A target set is determined according to the target information, where the target set includes multiple CA combinations supported by the electronic device. A target request is sent to an operator server, where the target request carries the target set, and the target request is used to instruct to select from the target set a CA combination for network configuration. A target CA combination is received, where the target CA combination is sent by the operator server in response to the target request. Network configuration is performed according to the target CA combination.

Abstract: An artificial intelligence-based interference recognition method for an electrocardiogram, comprising: cutting and sampling heart beat data of a first data amount, and inputting the heart beat data to be recognized that is obtained by cutting and sampling into an interference recognition binary classification model for interference recognition; in a sequence of the heart beat data, performing signal anomaly determination on a heart beat data segment where an inter-beat interval is greater than or equal to a preset interval determination threshold value, so as to determine whether the heart beat data segment is an abnormal signal; if the heart beat data segment is not an abnormal signal, determining a starting data point and an ending data point of sliding sampling in the heart beat data segment according to a set time with a preset time width, and performing sliding sampling on the data segment from the starting data point until the ending data point so as to obtain multiple sampling data segments; and using