Abstract: A method of processing audio data, an electronic device, and a storage medium, which relates to a field of artificial intelligence, in particular to a field of speech processing technology. The method includes: processing spectral data of the audio data to obtain a first feature information; obtaining a fundamental frequency indication information according to the first feature information, wherein the fundamental frequency indication information indicates valid audio data of the first feature information and invalid audio data of the first feature information; obtaining a fundamental frequency information and a spectral energy information according to the first feature information and the fundamental frequency indication information; and obtaining a harmonic structure information of the audio data according to the fundamental frequency information and the spectral energy information.

Abstract: A human-machine interaction method for a storage device inside a refrigerator, and a refrigerator are provided. The storage device is arranged in a storage compartment of the refrigerator, and the storage device is provided with an operation panel. An operation surface of the operation panel is provided with a knob module having a display screen, and a touch-sensitive key module. The human-machine interaction method includes: acquiring a startup trigger signal of the operation panel; acquiring an operation instruction received by the knob module and/or the touch-sensitive key module; and making a response to the operation instruction according to a preset interaction solution, and driving the display screen to display a corresponding interface. A user can adjust the functions of the refrigerator through the knob module and the touch-sensitive key module simply and conveniently.

Abstract: A configurable electrical connector. The electrical connector includes conductors held by a housing. Contact tails of the conductors extend from a mounting face of the housing therethrough. The mounting face of the housing includes a slot. In some embodiments, the slot exposes portions of ground conductors of the connector and receives a member coupled with the exposed portions of the ground conductors such that the electrical connector can meet high performance requirements. The member may be inserted into or molded in the slot. In some embodiments, the slot may or may not receive a member that is insulative when the electrical connector does not need to meet the high performance requirements. Such a configuration enables the same connector to be compatible with multiple performance protocols.

Abstract: A sliding sleeve device has an outer cylinder, a circulation hole being provided in the wall of the outer cylinder; and an inner cylinder provided in an inner cavity of the outer cylinder. In an initial state, the inner cylinder and the outer cylinder are fixed to each other to seal the circulation hole. In a first state, the inner cylinder is movable relative to the outer cylinder, thereby unsealing the circulation hole. A protection mechanism is provided in the circulation hole, which has an inner member located on the radially inner side and an outer member located on the radially outer side.

Abstract: Provided is a fusion protein of human serum albumin or a wild type thereof and human interleukin-2 or a mutation thereof, said fusion protein has a significantly extended in vivo half-life relative to recombinant interleukin-2, can be used alone for treating a tumor, and improves anti-tumor efficacy of an anti-PD-1 antibody or an anti PD-L1-antibody.

Abstract: A device for measuring a total gas content of a primary circuit of a PWR nuclear power plant includes a shielding protective cover, and a sampling assembly and a sample measuring assembly that are detachably connected to the shielding protective cover; the sampling assembly includes a sampling bottle; a valve connected to one mouth of the sampling bottle through a pipeline; a second valve connected to the other mouth of the sampling bottle through a pipeline; a first quick female connector connected with the first valve through a pipeline; a second quick female connector connected to the second valve through a pipeline; a balance pipeline, one end being connected to the pipeline between the first valve and the first quick female connector, and the other end being connected to the pipeline between the second valve and the second quick female connector.

Abstract: A driver installation guiding control method includes: obtaining a detection result of whether a terminal is equipped with a Bluetooth module; and according to the detection result, determining a driver installation guiding control user interface to be displayed.

Abstract: Data writing methods and computing devices are provided. An example data writing method is applied to a computer system, and the computer system includes a file system and a flash memory-based storage system. The example data writing method includes obtaining a target logical address, where the target logical address is an address allocated from a first logical block to target data to be written into the flash memory-based storage system, the first logical block is one of multiple logical blocks in the file system, and the flash memory-based storage system includes multiple physical blocks. It is determined that the target logical address belongs to the first logical block. The target data is written into a first physical block based on a correspondence between the first logical block and the first physical block, where the first physical block is one of the multiple physical blocks.

Abstract: A bionic flexible actuator with a real-time feedback function and a preparation method thereof. The method includes: preparing stimuli-response layer and bionic flexible strain-sensor film layer, arranging bionic V-shaped groove array structure on bionic flexible strain-sensor film layer, and sticking bionic flexible strain-sensor film layer onto stimuli-response layer through adhesive layer; stimuli-response layer is prepared by adopting following steps: mixing multi-walled carbon nanotubes and polyvinylidene fluoride after being dissolved in a solvent respectively and obtaining a mixed solution; performing a film formation process to mixed solution and embedding a first electrode to obtain stimuli-response layer.

Abstract: A device for measuring a total gas content of a primary circuit of a PWR nuclear power plant includes a shielding protective cover, and a sampling assembly and a sample measuring assembly that are detachably connected to the shielding protective cover; the sampling assembly includes a sampling bottle; a valve connected to one mouth of the sampling bottle through a pipeline; a second valve connected to the other mouth of the sampling bottle through a pipeline; a first quick female connector connected with the first valve through a pipeline; a second quick female connector connected to the second valve through a pipeline; a balance pipeline, one end being connected to the pipeline between the first valve and the first quick female connector, and the other end being connected to the pipeline between the second valve and the second quick female connector.

Abstract: A bionic flexible actuator with a real-time feedback function and a preparation method thereof. The method includes: preparing stimuli-response layer and bionic flexible strain-sensor film layer, arranging bionic V-shaped groove array structure on bionic flexible strain-sensor film layer, and sticking bionic flexible strain-sensor film layer onto stimuli-response layer through adhesive layer; stimuli-response layer is prepared by adopting following steps: mixing multi-walled carbon nanotubes and polyvinylidene fluoride after being dissolved in a solvent respectively and obtaining a mixed solution; performing a film formation process to mixed solution and embedding a first electrode to obtain stimuli-response layer.

Abstract: A printed circuit board, a method for determining an engagement state between the printed circuit board and a flexible printed circuit, and a display device are provided. The printed circuit board includes a substrate, a connector fixed on the substrate, and configured to be connected with the flexible printed circuit, and a determining circuit connected with the connector. The secondary pin is added to the connector, and can determine together with the determining circuit, added to the substrate, connected with the secondary pin, an engagement state between the first pins of the connector, and the second pins of the flexible printed circuit.

Abstract: A common voltage compensation unit and compensation method, a driving circuit and a display panel are disclosed. In the common voltage compensation unit provided by the disclosure, the first compensation module may be used for outputting a first common voltage to the common electrode line in the pixel charging period of time, and the second compensation module may be used for outputting a second common voltage to the common electrode line in the pixel non-charging period of time.

Abstract: An array substrate, a driving method thereof and a display device are provided. The array substrate includes a base substrate, a pixel electrode located on the base substrate; a first gate line and a second gate line located on the base substrate at both sides of the pixel electrode, respectively, the pixel electrode being partially overlapped with the first gate line and the second gate line respectively to form a first storage capacitor and a second storage capacitor respectively; and a gate driver connected with the first gate line and the second gate line and configured to sequentially provide a gate signal to the first gate line and the second gate line and perform a waveform chamfering operation to the gate signal.

Abstract: An array substrate, a display panel and a display device are provided. In the array substrate, at least one first thin film transistor and at least one second thin film transistor are arranged in each sub-pixel element to be electrically connected with a pixel electrode, and gates of the plurality of the thin film transistors are connected with different gate lines, that is, the plurality of the thin film transistors in the same sub-pixel element are arranged in parallel, thus the sub-pixel element is charged by inputting a scan signal concurrently to the plurality of gate lines to turn on the plurality of thin film transistors concurrently, and the data line outputs a data voltage to the pixel electrode.

Abstract: A smart sine wave step-down converter is provided including: an input and rectifying unit; a high-frequency modulation unit including a first and a second switching tubes, the drain of the first switching tube being connected to an output terminal of the input and rectifying unit, the source of the first switching tube being connected to the drain of the second switching tube, the grids of the first and the second switching tubes being connected with two-path anti-phased PWM pulse signals; an inductance filtering unit including a inductor and a first capacitor, the front end of the inductor being connected to the source of the first switching tube; an inverting paraphase unit; a filter controlling unit including a third switching tube and an electrolytic capacitor having an anode connected to the output terminal of the input and rectifying unit and a cathode connected to the drain of the third switching tube.

Abstract: A smart sine wave step-down converter is provided including: an input and rectifying unit; a high-frequency modulation unit including a first and a second switching tubes, the drain of the first switching tube being connected to an output terminal of the input and rectifying unit, the source of the first switching tube being connected to the drain of the second switching tube, the grids of the first and the second switching tubes being connected with two-path anti-phased PWM pulse signals; an inductance filtering unit including a inductor and a first capacitor, the front end of the inductor being connected to the source of the first switching tube; an inverting paraphase unit; a filter controlling unit including a third switching tube and an electrolytic capacitor having an anode connected to the output terminal of the input and rectifying unit and a cathode connected to the drain of the third switching tube.

Abstract: A printed circuit board, a method for determining an engagement state between the printed circuit board and a flexible printed circuit, and a display device are provided. The printed circuit board includes a substrate, a connector fixed on the substrate, and configured to be connected with the flexible printed circuit, and a determining circuit connected with the connector. The secondary pin is added to the connector, and can determine together with the determining circuit, added to the substrate, connected with the secondary pin, an engagement state between the first pins of the connector, and the second pins of the flexible printed circuit.

Abstract: A voltage converter includes a high-frequency modulation unit including a first switching tube and a second switching tube, an inductance filtering unit including a filtering inductor, and an inverting paraphase unit. The drain of the first switching tube is connected to a DC voltage, its source connects to the drain of the second switching tube, and the source of the second switching tube is earthed. The grids of the first and second switch tubes are respectively connected to two-path anti-phased PWM pulse signals. The front end of the filtering inductor is connected to the source of the first switching tube. The inverting paraphase unit, with its input terminal connected to the back end of the filtering inductor, is configured for invertedly converting a half-wave pulse voltage output from the back end of the filtering inductor to a sine AC voltage.

Abstract: A long-life intelligent step-down conversion device includes a high-frequency modulation unit including a first switching tube and a second switching tube, an inductance filtering unit including a filtering inductor, and an inverting paraphase unit. The drain of the first switching tube is connected to a DC voltage, its source connects to the drain of the second switching tube, and the source of the second switching tube is carthed. The grids of the first and second switch tubes are respectively connected to two-path anti-phased PWM pulse signals. The front end of the filtering inductor is connected to the source of the first switching tube. The inverting paraphase unit, with its input terminal connected to the back end of the filtering inductor, is configured for invertedly converting a half-wave pulse voltage output from the back end of the filtering inductor to a sine AC voltage. Which of easy to carry, without electrolytic capacitors, improving the service life, avoiding interference to the power grid.