Abstract: Embodiments of this application provide a neural network model deployment method, a prediction method and a device. The described features can implement deployment of a neural network model to improve the universality of the deployment of the neural network model to the terminal device by obtaining a layer definition and an operation parameter of each network layer of an initial neural network model, executing a target network layer corresponding to the network layers, applying relational connections amongst the target network layers using a net class, converting the operation parameters into a preset format, obtaining a target operation parameter based on the preset format, loading a corresponding target operation parameter in the target network layer, and obtaining a target neural network model based on the target operation parameter.

Abstract: A dual-polarization radar is disclosed. Selected embodiments provide a radar structure having a single receiving channel and enabling alternate transmission and simultaneous reception. Selected embodiments use a first polarization direction antenna and a second polarization direction antenna to transmit and receive a first polarization direction echo signal and a second polarization direction echo signal. The first polarization direction echo signal and the second polarization direction echo signal are received and synthesized by a synthesis module, which transmits the synthesized signal as the backscattered echo signal to a receiving module.

Abstract: An optical element includes a substrate, a first insulating layer, a first optical waveguide layer, a first edge coupler, and a first micro-optical element. The first insulating layer is disposed on the substrate. The first optical waveguide layer is disposed on the first insulating layer to transmit a light beam. The first edge coupler is disposed on the first insulating layer and coupled to an end of the first optical waveguide layer. The first micro-optical element is disposed on the substrate and includes a first inclined surface. The first micro-optical element is located within a first groove formed between the substrate, the first insulating layer, the first optical waveguide layer, and the first edge coupler. The light beam is sequentially transmitted from the first optical waveguide layer to the first edge coupler, emitted from the first edge coupler, and reflected by the first inclined surface to an optical fiber connector.

Abstract: The present disclosure provides a tidal simulation test device and a method of use thereof. The tidal simulation test device includes a water supply pool, a water level adjustment pool, a subtidal zone simulation pool, an intertidal zone simulation pool, a supratidal zone simulation pool and a two-way water flow adjustment control box. The two-way water flow adjustment control box is provided therein with an electromagnetic flow control meter, a forward frequency conversion self-priming pump, a reverse frequency conversion self-priming pump and an intelligent time-controlled three-way controller. In the method, the start and stop of the forward frequency conversion self-priming pump and the reverse frequency conversion self-priming pump are controlled through an intelligent switch, and a water flow is adjusted through the electromagnetic flow control meter, thereby realizing periodic changes in a water level to simulate different types of tides and coastal wetlands.

Abstract: A dual-polarization radar is disclosed. Selected embodiments provide a radar structure having a single receiving channel and enabling alternate transmission and simultaneous reception. Selected embodiments use a first polarization direction antenna and a second polarization direction antenna to transmit and receive a first polarization direction echo signal and a second polarization direction echo signal. The first polarization direction echo signal and the second polarization direction echo signal are received and synthesized by a synthesis module, which transmits the synthesized signal as the backscattered echo signal to a receiving module.

Abstract: The present disclosure provides a tidal simulation test device and a method of use thereof. The tidal simulation test device includes a water supply pool, a water level adjustment pool, a subtidal zone simulation pool, an intertidal zone simulation pool, a supratidal zone simulation pool and a two-way water flow adjustment control box. The two-way water flow adjustment control box is provided therein with an electromagnetic flow control meter, a forward frequency conversion self-priming pump, a reverse frequency conversion self-priming pump and an intelligent time-controlled three-way controller. In the method, the start and stop of the forward frequency conversion self-priming pump and the reverse frequency conversion self-priming pump are controlled through an intelligent switch, and a water flow is adjusted through the electromagnetic flow control meter, thereby realizing periodic changes in a water level to simulate different types of tides and coastal wetlands.

Abstract: An image processing method and apparatus, and a computer readable medium are provided. The method includes obtaining an image. The image is processed using a preset training model that is a function relationship model of a feature sample image and an activation function of the feature sample image. The feature sample image includes an image satisfying an image feature value extraction condition. A target image is obtained that corresponds to the image according to a processing result of the preset training model.

Abstract: Embodiments of this application provide a neural network model deployment method, a prediction method and a device. The described features can implement deployment of a neural network model to improve the universality of the deployment of the neural network model to the terminal device by obtaining a layer definition and an operation parameter of each network layer of an initial neural network model, executing a target network layer corresponding to the network layers, applying relational connections amongst the target network layers using a net class, converting the operation parameters into a preset format, obtaining a target operation parameter based on the preset format, loading a corresponding target operation parameter in the target network layer, and obtaining a target neural network model based on the target operation parameter.

Abstract: An image processing method and apparatus, and a computer readable medium are provided. The method includes obtaining an image. The image is processed using a preset training model that is a function relationship model of a feature sample image and an activation function of the feature sample image. The feature sample image includes an image satisfying an image feature value extraction condition. A target image is obtained that corresponds to the image according to a processing result of the preset training model.

Abstract: An optical receiver including a photodetector and a waveguide is provided. The photodetector includes a plurality of photosensitive regions arranged in an array. The waveguide is disposed on the photodetector and includes a plurality of gratings, a plurality of optical channels, and a plurality of light-deflection elements. The gratings are respectively adapted to collect light beams incident on the waveguide at different angles. The optical channels are adapted to propagate the light beams collected by the gratings. The light-deflection elements are disposed on transmission paths of the light beams propagating in the optical channels and are located above the photosensitive regions. The light-deflection elements are adapted to propagate the light beams propagating in the optical channels to the photosensitive regions. An optical transceiver is also provided.

Abstract: An integrated wire elliptical helical antenna with novel cuboids dielectric resonator loading for circularly polarized wave transmission and reception is presented. The antenna is designed to operate in the center frequency of 915 MHz and it is utilized in RFID systems as a base station antenna. The elliptical structure is formed by steel wire and supporting acrylic plastic. The cuboids dielectric resonator is loaded at the inner surface of the proposed antenna.

Abstract: An optical component optically coupled to an optical fiber includes a substrate and an edge-emitting laser. The substrate includes an accommodating cavity, a plurality of openings, a waveguide, an optical coupler and a plurality of pads. The waveguide and the optical coupler are distributed outside the accommodating cavity. The openings are distributed at the bottom surface of the accommodating cavity and the pads are located at the bottom of the openings. The optical coupler is optically coupled to an end of the waveguide and includes a light-incident surface. The edge-emitting laser is embedded in the accommodating cavity and includes a light-emitting layer and a plurality of bumps located in the openings and electrically connected to the pads. The ratio of the level height difference between the light-emitting layer and the optical coupler to the thickness of the optical coupler ranges from 0 to 0.5.

Abstract: An optical component optically coupled to an optical fiber includes a substrate and an edge-emitting laser. The substrate includes an accommodating cavity, a plurality of openings, a waveguide, an optical coupler and a plurality of pads. The waveguide and the optical coupler are distributed outside the accommodating cavity. The openings are distributed at the bottom surface of the accommodating cavity and the pads are located at the bottom of the openings. The optical coupler is optically coupled to an end of the waveguide and includes a light-incident surface. The edge-emitting laser is embedded in the accommodating cavity and includes a light-emitting layer and a plurality of bumps located in the openings and electrically connected to the pads. The ratio of the level height difference between the light-emitting layer and the optical coupler to the thickness of the optical coupler ranges from 0 to 0.5.

Abstract: An optical receiver including a photodetector and a waveguide is provided. The photodetector includes a plurality of photosensitive regions arranged in an array. The waveguide is disposed on the photodetector and includes a plurality of gratings, a plurality of optical channels, and a plurality of light-deflection elements. The gratings are respectively adapted to collect light beams incident on the waveguide at different angles. The optical channels are adapted to propagate the light beams collected by the gratings. The light-deflection elements are disposed on transmission paths of the light beams propagating in the optical channels and are located above the photosensitive regions. The light-deflection elements are adapted to propagate the light beams propagating in the optical channels to the photosensitive regions. An optical transceiver is also provided.