Abstract: The embodiments of the present disclosure provide an antenna vibrator and an antenna, and the antenna vibrator includes a radiation board. The radiation board is a polygon, a part of the radiation board bends downward to form a plurality of support portions and a plurality of hollowed holes, and a plurality of corners of the radiation board bend downward to form a plurality of bending angle portions. The support portion serves to support and connect. At the same time, by forming the bending angle portion on the radiation board, isolation of the vibrator is optimized, and after the vibrator is arrayed, a cross-polarization ratio meets a conventional indicator in a case of not adding a boundary condition.

Abstract: The embodiments of the present disclosure provide an antenna vibrator and an antenna, and the antenna vibrator includes a radiation board. A partial region of the radiation board is bent downwards to form a plurality of support portions and a plurality of corresponding first hollowed-out holes, and a region between two adjacent first hollowed-out holes is bent downwards to form a plurality of bending portions and a plurality of corresponding second hollowed-out holes. The support portion serves to support and connect. At the same time, by forming the bending portion and the second hollowed-out hole on the radiation board, the isolation of the vibrator is optimized, and the cross polarization ratio after the vibrator being arrayed may meet conventional index without adding a boundary condition.

Abstract: The embodiments of the present disclosure provide an antenna vibrator and an antenna, and the antenna vibrator includes a radiation board. A center region of the radiation board is provided with a plurality of slits, and the radiation board is bent downwards at a peripheral region of each slit to form a support portion and a hollowed-out hole. The support portion serves to support and connect. At the same time, by forming the slit on the radiation board, the isolation of the vibrator is optimized, and the cross polarization ratio after the vibrator being arrayed may meet conventional index without adding a boundary condition.

Abstract: A machine learning application method, a device, an electronic apparatus, and a storage medium, used to directly link service scenarios, aggregate data related to the service scenarios, accordingly explore modeling schemes, and ensure that data used in offline modeling scheme exploration and data used in an online model prediction service have the same source, thereby realizing consistency of source of offline and online data. Directly deploying an offline model to an online environment results in data inconsistency between online feature computation and offline feature computation, which in turn causes poor prediction performance; therefore, only a modeling scheme is deployed online, and the offline model is not deployed. After a modeling scheme is deployed online, sample data having a feature and feedback can be obtained by receiving a prediction request, thereby enabling model self-learning by means of the sample data.

Abstract: A street lamp intelligent measurement and control device includes an MCU chip, and an electrical parameter measuring circuit, an NB-IoT communication circuit, a dimming circuit and a switching control circuit respectively connected to the MCU chip. The electrical parameter measuring circuit determines electrical parameter data and electrical energy data of a street lamp load, and transmits the electrical parameter data and the electrical energy data to the MCU chip. The MCU chip actively uploads the electrical parameter data and/or the electrical energy data to a remote control center according to a preset time interval, receives a controlling instruction from the remote control center, and sends out a switching signal and/or a dimming signal according to the controlling instruction. The switching control circuit controls an on-off of the street lamp load according to the switching signal sent by the MCU chip.

Abstract: Transalkylation processes using catalysts comprising three dimensional 12 membered ring zeolites with a combination of small and large pores are described. These catalysts have increased conversion of alkylphenols to phenol, cresols, and alkylbenzenes from coal-derived liquid streams compared to catalysts consisting of HZSM-5 zeolite.

Abstract: The present invention provides a protective sheath, a hysteroscope equipped therewith, and a nephroscope equipped with the same, used to prevent contaminants from contaminating electrical connecting lines connected to the endoscope.

Abstract: The present disclosure relates to a road lighting management system, which includes: a smart lighting management cloud platform, lamp poles, lamps installed on the lamp poles, controllers installed in the lamps, and a mobile terminal; in which one lamp or more lamps are installed on each of the lamp poles; the lamps are in one-to-one correspondence with the controllers; the controllers are respectively connected with the lamps and the smart lighting management cloud platform, and the controllers are configured to control the lamps; the mobile terminal is connected with the smart lighting management cloud platform; and both the mobile terminal and the smart lighting management cloud platform are configured for asset management, and control commands are sent by the mobile terminal to the controllers in the lamps according to an instruction of a user.

Abstract: The present application discloses a camera device for collecting vehicle information. In the present application, the camera device uses a dual-lens configuration including a first camera assembly and a second camera assembly, wherein the lens field of view of the first camera assembly intersects with the lens field of view of the second camera assembly, so as to form a layout mode that two areas on both sides of the camera device are photographed in a staggered manner, thereby avoiding the occurrence of a blind area between the lens fields of view of the first camera assembly and the second camera assembly and improving the overall photographing range of the camera device. Moreover, the camera device may introduce at least one auxiliary function such as photosensitive detection, light supplementing, and target detection, so as to improve the quality of image photographing and the accuracy of photographing moment, thereby facilitating improving the accuracy of vehicle information collection.

Abstract: The present application discloses a camera device for collecting vehicle information. In the present application, the camera device uses a dual-lens configuration including a first camera assembly and a second camera assembly, wherein the lens field of view of the first camera assembly intersects with the lens field of view of the second camera assembly, so as to form a layout mode that two areas on both sides of the camera device are photographed in a staggered manner, thereby avoiding the occurrence of a blind area between the lens fields of view of the first camera assembly and the second camera assembly and improving the overall photographing range of the camera device. Moreover, the camera device may introduce at least one auxiliary function such as photosensitive detection, light supplementing, and target detection, so as to improve the quality of image photographing and the accuracy of photographing moment, thereby facilitating improving the accuracy of vehicle information collection.

Abstract: A street lamp intelligent measurement and control device includes an MCU chip, and an electrical parameter measuring circuit, an NB-IoT communication circuit, a dimming circuit and a switching control circuit respectively connected to the MCU chip. The electrical parameter measuring circuit determines electrical parameter data and electrical energy data of a street lamp load, and transmits the electrical parameter data and the electrical energy data to the MCU chip. The MCU chip actively uploads the electrical parameter data and/or the electrical energy data to a remote control center according to a preset time interval, receives a controlling instruction from the remote control center, and sends out a switching signal and/or a dimming signal according to the controlling instruction. The switching control circuit controls an on-off of the street lamp load according to the switching signal sent by the MCU chip.

Abstract: The present disclosure relates to a road lighting management system, which includes: a smart lighting management cloud platform, lamp poles, lamps installed on the lamp poles, controllers installed in the lamps, and a mobile terminal; in which one lamp or more lamps are installed on each of the lamp poles; the lamps are in one-to-one correspondence with the controllers; the controllers are respectively connected with the lamps and the smart lighting management cloud platform, and the controllers are configured to control the lamps; the mobile terminal is connected with the smart lighting management cloud platform; and both the mobile terminal and the smart lighting management cloud platform are configured for asset management, and control commands are sent by the mobile terminal to the controllers in the lamps according to an instruction of a user.

Abstract: Disclosed is a hepatoprotective traditional Chinese medicine composition, extract and pharmaceutical use thereof. The composition comprises Morinda officinalis How, Ganoderma lucidum (Leyss. Ex Fr.) Karst., Astragalus membranaceus (Fisch) Bge. Var. monghlicus (Bge) Hsiao, Ranunculus ternatus Thunb., Sophora flavescens Alt. and Salvia miltiorrhiza Bge. The composition and extract thereof may be used for treating liver injury, hepatitis, hepatic fibrosis, hepatic cirrhosis or liver cancer, and they may also be used as a vaccine adjuvant or an immunomodulator.

Abstract: The present invention provides a multi-section bending tube (100) having graduated rigidity, applied to an insertion portion of an endoscope (300). The multi-section bending tube (100) having graduated rigidity sequentially includes, from a non-insertion end to an insertion end: a straight catheter portion (1), a transition catheter portion (2) and a snake bone catheter portion (3), which have equal inside diameters and are connected in sequence, wherein the straight catheter portion (1) is a cylindrical catheter with a fully-enclosed catheter wall, helical slits (21) for providing a bending space of a tube body are disposed on the catheter wall of the transition catheter portion (2), the snake bone catheter portion (3) includes a plurality of tube joints (31) connected with each other in series, and the tube joints (31) are connected with each other in a clamping or hinging manner.

Abstract: A visual interpretation method and a device for a logistic regression model, relating to the computer technology field. The method includes: receiving an interpretation request for a logistic regression model (S11); obtaining, according to the interpretation request, model parameters of the logistic regression model, the model parameters comprising each feature in the logistic regression model and a weight value of each feature (S12); aggregating each feature in the obtained model parameters according to a feature name (S13); obtaining feature statistics for each feature name to obtain feature statistics information for each feature name, wherein the feature statistics information indicates distribution information of weight values of each feature under the same feature name and/or dimension information of each feature under the same feature name (S14); and displaying the feature name and the corresponding feature statistics information using a graphical interface (S15).

Abstract: The present invention provides a protective sheath, a hysteroscope equipped therewith, and a nephroscope equipped with the same, used to prevent contaminants from contaminating electrical connecting lines connected to the endoscope.

Abstract: In some embodiments, an electronic laryngoscope includes a camera, a hollow connecting rod, a handle, and a control display. The front end of the connecting rod is connected to the camera, the rear end of the connecting rod is connected to the handle, and the rear end of the handle is connected to the control display. The laryngoscope further includes a hollow tube whose inner diameter is greater than the outer diameter of the connecting rod. The camera and the connecting rod are located on the inner side of the hollow tube. A sputum suction opening is formed between the front end of the hollow tube and the front end of the camera, and a sputum passage in communication with the opening is formed between the hollow tube and the connecting rod. The laryngoscope further includes a connector between the hollow tube and the camera and/or the connecting rod.

Abstract: A hard-tube endoscope, comprising an insertion tube (1), a camera (5), a light source (6) and a handle (2). The camera (5) and the light source (6) are disposed on an end face of an insertion end of the insertion tube (1), and a non-insertion end of the insertion tube (1) is connected to the handle (2). The insertion tube (1) further comprises a bending portion (13), the bending portion (13) being located at a part, locatable inside a human body, on the insertion tube (1). A control portion (3) configured to control the bending portion (13) to be bent is disposed on the handle (2). The control portion (3) comprises an inner ring sleeve (32) and an outer ring sleeve (31). The outer ring sleeve (31) is engaged with the inner ring sleeve (32) by means of threads. The outer ring sleeve (31) can rotate only around the axis of the handle (2) with respect to the handle (2), and the inner ring sleeve (32) can axially move only along the axis of the insertion tube (1) with respect to the handle (2).

Abstract: A method of operation of a navigation system includes: determining a device capability for an embedded device; receiving unprocessed map information based on the device capability; generating a natively rendered map layer on a mobile device with the unprocessed map information; generating a map overlay for layering over the natively rendered map layer; and generating a navigation interface with the map overlay and the natively rendered map layer for displaying on the embedded device.

Abstract: In some embodiments, an electronic laryngoscope includes a camera, a hollow connecting rod, a handle, and a control display. The front end of the connecting rod is connected to the camera, the rear end of the connecting rod is connected to the handle, and the rear end of the handle is connected to the control display. The laryngoscope further includes a hollow tube whose inner diameter is greater than the outer diameter of the connecting rod. The camera and the connecting rod are located on the inner side of the hollow tube. A sputum suction opening is formed between the front end of the hollow tube and the front end of the camera, and a sputum passage in communication with the opening is formed between the hollow tube and the connecting rod. The laryngoscope further includes a connector between the hollow tube and the camera and/or the connecting rod.