Abstract: An amplifier circuit for a microphone, a microphone circuit and an electronic device are provided. The amplifier circuit includes a voltage regulator having an output terminal, a first constant current source having an input terminal connected to the output terminal of the voltage regulator, a first transistor having a gate serving as an input terminal of the amplifier circuit and a source serving as an output terminal of the amplifier circuit, a second transistor having a source connected to an output terminal of the first constant current source, a gate connected to the source of the first transistor and a drain connected to ground, a first driver configured to achieve high power supply rejection ratio of the amplifier circuit and a second driver configured to achieve high acoustic overload point of the amplifier circuit.

Abstract: A microphone circuit is provided, including: a charge pump module connected to a first end of a microphone, configured to receive a preset first voltage and generate a first bias voltage based on the first voltage, and output the first bias voltage to the microphone; an amplification module connected to a second terminal of the microphone, configured to receive a voltage signal output by the microphone, amplify the voltage signal, and output the amplified signal as an output signal of the microphone circuit; and a voltage division module connected to the second end of the microphone and the amplification module, configured to receive the first voltage, divide the first voltage to generate a second bias voltage, output the second bias voltage to the microphone, and further output the second bias voltage as a bias voltage to the amplification module.

Abstract: The disclosure belongs to the field of material testing, and a testing method and a testing system for a hydrogen-induced cracking threshold value based on a notched round bar tensile specimen are provided. The testing method comprises: performing the slow strain rate tensile test on the notched round bar specimen respectively in the hydrogen environment and the inert gas environment to obtain the test data and two elongation rates; obtaining a hydrogen embrittlement susceptibility index of material using the two elongation rates; obtaining an elastoplastic parameter using the hydrogen embrittlement susceptibility index of material and the test data; when the elastoplastic parameter is greater than 3.5, obtaining the hydrogen-induced cracking threshold value using an elastoplastic crack growth mechanism; and when the elastoplastic parameter is not greater than 3.5, obtaining the hydrogen-induced cracking threshold value using a linear elastic crack growth mechanism.

Abstract: An online processing method includes: generating a surrender interaction webpage based on a surrender request submitted by a user terminal for an insurance product, and returning the surrender interaction webpage to the user terminal; determining a prediction parameter for surrender quote prediction in insured-user data and policy data based on a product type of the insurance product; and inputting the prediction parameter into a prediction model corresponding to the product type for surrender quote prediction, to obtain a surrender loss range and return the surrender loss range to the user terminal.

Abstract: Various embodiments herein provide techniques for a unified transmission configuration indicator (TCI) framework for multi-transmission-reception point (TRP) operation in a wireless cellular network. For example, embodiments may relate to use of a joint TCI codepoint to indicate one or more TCI states (e.g., a joint uplink (UL)/downlink (DL) TCI state, a UL TCI state, and/or a DL TCI state). The techniques may be used for multi-downlink control information (DCI) multi-TRP operation and/or single-DCI multi-TRP operation. Embodiments further relate to techniques for transmission repetition and uplink power control. Other embodiments may be described and claimed.

Abstract: This application is directed to managing network devices of an electronic device or system (e.g., a server disposed in a server rack). A computer system includes a first processor device and a plurality of network devices coupled to the first processor. The plurality of network devices include a first set of primary network devices and a set of supplemental network devices, and are configured to receive input signals and provide output signals. The first processor device is configured to monitor operations of the first set of primary network devices, and in accordance with a determination that a first primary network device of the first set of primary network devices has an error, configure a first supplemental network device of the set of one or more supplemental network devices to replace the first primary network device.

Abstract: This disclosure discloses an instruction control method, instruction control apparatus, processor, chip, and board card. The processor can be included as a computing apparatus in a combination processing apparatus, which may also include interface devices and other processing apparatus. The computing apparatus interacts with other processing apparatuses to jointly complete computing operations specified by the user. The combined processing apparatus may also include a storage apparatus, which is connected to the computing apparatus and other processing apparatuses respectively, for storing data of the computing apparatus and other processing apparatuses. The disclosed solution provides an instruction control method that can enhance instruction level parallelism and improve processing efficiency.

Abstract: An electrowetting effect-based solar-driven high efficiency humidification system and a working method. A photovoltaic power generation module and an electrowetting high efficiency humidification module are combined, which conform to a solar energy transfer principle in a PV/T device, while liquid droplets are also sprayed at regular intervals on an upper surface of a heat exchange flow channel in the PV/T device, the principles of acceleration of liquid droplet internal flow and a change to surface hydrophilicity/hydrophobicity by electrowetting technology are used, liquid drop evaporation is accelerated, and highly efficient humidification of air is achieved. By means of coupled utilization of electrowetting technology and a PV/T system, water is saved while a large amount of moist air and clean electric energy which can be used for actual production are obtained.

Abstract: Systems, methods, and devices related to mixing foam fire suppressant are provided. A foam proportional mixing device includes a first pump. The first pump includes an inlet pipe coupled with a first housing, such that the inlet pipe is in fluid communication with a first cavity defined by the first housing. The first pump includes a foam receiving port arranged on the inlet pipe and a pair of rotors positioned within the first housing. The foam proportional mixing device includes a second pump. The second pump includes a pair of gears located within a second cavity defined by a second housing. The foam receiving port is in communication with an outlet of the second pump, such that the first pump is in fluid communication with the first cavity.

Abstract: A method of configuring a cloud server resource, an electronic device and a storage medium, which specifically relate to a field of artificial intelligence technology, in particular to a field of cloud computing technology. A method of configuring a cloud server resource includes: obtaining an operation index of a server instance of an object; comparing the obtained operation index with a threshold; and determining whether a configuration of the cloud server resource is to be adjusted, based on a result of the comparing.

Abstract: The invention provides a microphone circuit, which includes an amplifier, a bias resistor and a bias network module. The first terminal of bias resistor connects to the preset bias voltage. The second end of the bias resistor connects the output end of the microphone. The bias network module is used to judge level of the voltage value of the signal. If the voltage value of the signal exceeds the preset voltage value of the threshold voltage group range, connect the impeder corresponding to the bias network module to the input end of the microphone circuit. The invention provides a microphone module and a method for raising sound pressure overload point of microphone. Compared with the related art, the technical scheme of the invention improves the sound pressure overload point of microphone and has good electrical performance.

Abstract: An energy storage power supply is provided and includes a shell having a receiving chamber, in which the receiving chamber is provided with a first support having one or more first receiving recesses, each of the one or more first receiving recesses having a first via hole at a bottom of the first receiving recess; a battery cell located in the receiving chamber and disposed at the first support, the battery cell including a main body, the main body having an end fitted in a corresponding first receiving recess of the one or more first receiving recesses; a second support fixedly connected to the shell and disposed at a side of the battery cell away from the first support, the battery cell being sandwiched between the first support and the second support; and an inverter located in the receiving chamber and electrically connected to the battery cell.

Abstract: Aspects for forward propagation of a convolutional artificial neural network are described herein. The aspects may include a direct memory access unit configured to receive input data from a storage device and a master computation module configured to select one or more portions of the input data based on a predetermined convolution window. Further, the aspects may include one or more slave computation modules respectively configured to convolute a convolution kernel with one of the one or more portions of the input data to generate a slave output value. Further still, the aspects may include an interconnection unit configured to combine the one or more slave output values into one or more intermediate result vectors, wherein the master computation module is further configured to merge the one or more intermediate result vectors into a merged intermediate vector.

Abstract: A foam proportional mixing device includes a Roots pump and a gear pump. The Roots pump comprises a Roots pump inlet, a pair of rotors and a fluid guide member. The fluid guide member is arranged in the Roots pump inlet, and is configured to guide fluid to flow to the pair of rotors and provide driving forces to the pair of rotors for rotating same in opposite directions from each other. The gear pump includes a pair of gears. The foam proportional mixing device includes a rotor shaft of one rotor in the pair of rotors of the Roots pump is connected to a gear shaft of one gear in the pair of gears of the gear pump, such that the one rotor drives the one gear to rotate.

Abstract: The present disclosure relates to techniques for the estimating anomalies within photoplethysmographic signals. The techniques may include use of instruments that include photoplethysmographic and acceleration sensors. Time-frequency spectra may be used to determine the anomalies. Corrupted signals may be detected and corrected through applications of machine learning and feature extraction.

Abstract: A quartz container manufacturing method and a forming apparatus, relating to the solar photovoltaic technical field, and providing a mold comprising a top cylinder and a mold bottom; during formation of a container blank, when the mold forms a first included angle with a horizontal plane and the mold is rotated at a first rotation speed, the source material forms a first blank on the inner wall of the top cylinder; when the mold forms a second included angle with the horizontal plane and the mold is rotated at a second rotation speed, the source material forms a second blank on the inner wall of the mold bottom; a quartz container is manufactured from a container blank composed of the first blank and the second blank.

Abstract: Methods and systems for automated testing of virtual reality software applications using robotic devices include a server that converts a test workflow description into a sequence of actions in a format interpretable by a robotic device. The server transmits the sequence of actions to the robotic device. For each action in the sequence of actions, the server a) receives, from the robotic device, execution data corresponding to an outcome of execution of the action by the robotic device; b) captures, from a virtual reality device, one or more of image data and vector data corresponding to a current state of a virtual reality software application; c) analyzes one or more of the image data, the vector data, and the execution data to determine whether the robotic device successfully executed the action; and d) upon determining that the robotic device successfully executed the action, repeats steps a)-d) for the next action.

Abstract: A method and system for augmenting processing of voice commands directed to speech-based computing device via a system that includes a connected lighting system and the speech-based computing device. The method includes collecting data related to a user or environmental condition in an area proximate to the speech-based computing device with the one or more sensors. One or more cues related to the user and/or local area or environment is determined from the collected data. A controller of the lighting system receives one or more parameters related to a sound input received by the speech-based computing device. The one or more parameters are updated with the user and/or environmental cues. The sound input is analyzed with the updated parameters to interpret an intended voice command from the sound input.