Abstract: The present application provides an antenna calibration method and apparatus, and a remote radio unit. The method includes: generating a calibration sequence of a channel to be calibrated; determining, according to obtained calibration configuration information of the channel to be calibrated and an output sequence of the channel to be calibrated, a calibration response sequence of the channel to be calibrated; and calibrating the channel to be calibrated according to the calibration response sequence of the channel to be calibrated and the calibration sequence of the channel to be calibrated.

Abstract: The present application provides an antenna calibration method and apparatus, and a remote radio unit. The method includes: generating a calibration sequence of a channel to be calibrated; determining, according to obtained calibration configuration information of the channel to be calibrated and an output sequence of the channel to be calibrated, a calibration response sequence of the channel to be calibrated; and calibrating the channel to be calibrated according to the calibration response sequence of the channel to be calibrated and the calibration sequence of the channel to be calibrated.

Abstract: The present application provides a data acquisition method, a data acquisition apparatus, a data acquisition device and a storage medium. The data acquisition method includes: obtaining a first storage flag for indicating a flag bit at which first data starts to be acquired and stored; when a first data acquisition clock is asynchronous with a second data acquisition clock, obtaining a second storage flag being a storage flag bit corresponding to the first storage flag after the first storage flag crosses from the first data acquisition cock to the second data acquisition clock, according to the first data acquisition clock and the second data acquisition clock; and performing anti-jitter processing on the second storage flag to obtain a third storage flag, and acquiring second data according to the third storage flag, a delay between the first data and the second data acquired each time is kept unchanged.

Abstract: Provided are a filter unit and a filter array, and the filter unit includes: a control module (10) configured to analyze configuration information of the filter unit, and control selection of internal functions and flow direction of data in the filter unit; a filtering module (20) connected to the control module (10), and configured to perform an operation on internal data of the filter unit and perform a sampling rate conversion function under control of the control module (10); and an output selection module (30) connected to the control module (10) and the filtering module (20), and configured to perform a selection function on output data of the filtering module (20) under control of the control module.

Abstract: The present application provides a data acquisition method, a data acquisition apparatus, a data acquisition device and a storage medium. The data acquisition method includes: obtaining a first storage flag for indicating a flag bit at which first data starts to be acquired and stored; when a first data acquisition clock is asynchronous with a second data acquisition clock, obtaining a second storage flag being a storage flag bit corresponding to the first storage flag after the first storage flag crosses from the first data acquisition cock to the second data acquisition clock, according to the first data acquisition clock and the second data acquisition clock; and performing anti-jitter processing on the second storage flag to obtain a third storage flag, and acquiring second data according to the third storage flag, a delay between the first data and the second data acquired each time is kept unchanged.

Abstract: An electrical readout optical sensor, includes a back metal electrode layer, a semiconductor layer, and a metal or metalloid layer; wherein the semiconductor layer is a main body portion and is divided into a first surface and a second surface; the first surface is provided with a groove structure, and forms a grating; the back metal electrode layer covers the second surface of the semiconductor layer; the metal or metalloid layer covers the first surface of the semiconductor layer, and forms a phototube for generating a photocurrent signal having a wide wavelength range and high linearity. An optical sensing structure of narrowband light absorption and a photoelectric conversion structure having a wide wavelength range are directly integrated, and the portable high-precision optical sensing ability is implemented by means of an output mode of a photocurrent.

Abstract: An embodiment of the present disclosure provides a visual real-time interaction method for software defined networking (SDN). According to this method, a visual interface is established for the SDN. The visual interface includes at least one first node indicative of a port of a switch and at least one second node indicative of a port of a service provider. The first node and the second node are distributed on at least one stack hub. A connection is established between the first node and the second node. The connection has a curvature different from a curvature of the stack hub, and at least an extension line of the connection intersects with the stack hub. A location corresponding to the port of the switch and a location corresponding to the port of the service provider and an attribute of the connection are determined according to the connection.

Abstract: A method of and apparatus for executing a cryptographic cipher is described. The method includes acts of receiving a first finite field of data and key value represented by a first encryption standard including a first and second operation, transforming the first finite field of data and key value into a second finite field of data and key value represented by a second encryption standard, transforming the first operation and the second operation into a first modified operation and a second modified operation represented by the second encryption standard, executing the first modified operation on the second finite field of data and key value to generate a third finite field of data, executing the second modified operation on the third finite field of data to generate a fourth finite field of data, which is transformed into a fifth finite field of data represented by the first encryption standard.

Abstract: An electrical readout optical sensor, includes a back metal electrode layer, a semiconductor layer, and a metal or metalloid layer; wherein the semiconductor layer is a main body portion and is divided into a first surface and a second surface; the first surface is provided with a groove structure, and forms a grating; the back metal electrode layer covers the second surface of the semiconductor layer; the metal or metalloid layer covers the first surface of the semiconductor layer, and forms a phototube for generating a photocurrent signal having a wide wavelength range and high linearity. An optical sensing structure of narrowband light absorption and a photoelectric conversion structure having a wide wavelength range are directly integrated, and the portable high-precision optical sensing ability is implemented by means of an output mode of a photocurrent.

Abstract: A sensor including: a substrate including a first surface and a second surface opposing to each other, the first surface being recessed to form a first groove, and the substrate further including at least two through holes penetrating through the second surface and a bottom surface of the first groove; a dielectric layer disposed to cover the first surface, and opposing to the first groove; a metal layer disposed on the bottom surface of the first groove and avoiding openings of the through holes on the bottom surface of the first groove, wherein the dielectric layer, the metal layer and an interval between the dielectric layer and the metal layer form a slit optical waveguide; and a grating formed on the dielectric layer, wherein the grating is used to implement wave vector matching of an incident light with a mode of the slit optical waveguide.

Abstract: A sensor including: a substrate including a first surface and a second surface opposing to each other, the first surface being recessed to form a first groove, and the substrate further including at least two through holes penetrating through the second surface and a bottom surface of the first groove; a dielectric layer disposed to cover the first surface, and opposing to the first groove; a metal layer disposed on the bottom surface of the first groove and avoiding openings of the through holes on the bottom surface of the first groove, wherein the dielectric layer, the metal layer and an interval between the dielectric layer and the metal layer form a slit optical waveguide; and a grating formed on the dielectric layer, wherein the grating is used to implement wave vector matching of an incident light with a mode of the slit optical waveguide.

Abstract: An embodiment of the present disclosure provides a visual real-time interaction method for software defined networking (SDN). According to this method, a visual interface is established for the SDN. The visual interface includes at least one first node indicative of a port of a switch and at least one second node indicative of a port of a service provider. The first node and the second node are distributed on at least one stack hub. A connection is established between the first node and the second node. The connection has a curvature different from a curvature of the stack hub, and at least an extension line of the connection intersects with the stack hub. A location corresponding to the port of the switch and a location corresponding to the port of the service provider and an attribute of the connection are determined according to the connection.

Abstract: A method of and apparatus for executing a cryptographic cipher is described. The method includes acts of receiving a first finite field of data and key value represented by a first encryption standard including a first and second operation, transforming the first finite field of data and key value into a second finite field of data and key value represented by a second encryption standard, transforming the first operation and the second operation into a first modified operation and a second modified operation represented by the second encryption standard, executing the first modified operation on the second finite field of data and key value to generate a third finite field of data, executing the second modified operation on the third finite field of data to generate a fourth finite field of data, which is transformed into a fifth finite field of data represented by the first encryption standard.