Abstract: The present disclosure provides a risk assessment method of water inrush in tunnels constructed in water-rich grounds. The method includes the following steps: simulating a tunnel excavation process by finite element software MIDAS GTS NX and fluid-structure interaction; according to a research method of control variables, analyzing effects of a groundwater level, an elastic modulus and advanced pipe shed grouting on the stability of surrounding rock, and improving an algorithm of a radial basis function (RBF) neural network using a Grey Relation Analysis (GRA)-based Partitioning Around Medoid (PAM) clustering algorithm to assess risks of water inrush occurring in Qingdao area.

Abstract: The present disclosure provides a multi-factor quantitative analysis method for deformation of a neighborhood tunnel. The method includes the following steps: analyzing monitoring data generated at a tunnel site; simulating collapse occurring at a shallow buried section of a tunnel; determining the degree of influence of each factor on the tunnel and a stratum; and determining quantitative influence of each factor on tunnel deformation. The present disclosure can not only provide an accurate theoretical basis for the construction of the shallow buried section of the small-distance tunnel, but also guarantee safety and cost saving during tunnel construction.

Abstract: The present disclosure provides a method, apparatus for implementing a far-field speech function, system and a storage medium, wherein the method comprises: a speech detecting unit located on a smart device performing speech signal detection in real time; upon detecting an awakening word, the speech detecting unit awakening an algorithm unit located on the smart device and being in a standby state; the speech detecting unit transmitting the obtained speech signal to the algorithm unit so that the algorithm unit performs arithmetic processing for the speech signal in a predetermined manner, and sends a processed speech signal to a control system of the smart device, to complete a corresponding control operation. The solution of the present disclosure can be applied to save energy consumption and improve the acoustic effect, break away from the constraints of the remote controller and facilitate the user's operation.

Abstract: A pressure sensor has a housing, an air lead-in hole, a pressure lead-in hole, an inner cavity, a sensor chip, a lead frame and a cover plate. One end of the air lead-in hole is in communication with the inner cavity of the housing, and the other end of the air lead-in hole is in communication with the air; the pressure lead-in hole is perpendicularly disposed at the center of the upper surface of the housing, two steps are disposed on the upper surface of the inner cavity, and a horizontal surface-mounted device surface is disposed on each of the steps. The center of the sensor chip is aligned with the centers of the pressure lead-in hole, and the lower end of the pressure lead-in holes are in communication with the cavity of the sensor chip.

Abstract: The present disclosure provides a method, apparatus for implementing a far-field speech function, system and a storage medium, wherein the method comprises: a speech detecting unit located on a smart device performing speech signal detection in real time; upon detecting an awakening word, the speech detecting unit awakening an algorithm unit located on the smart device and being in a standby state; the speech detecting unit transmitting the obtained speech signal to the algorithm unit so that the algorithm unit performs arithmetic processing for the speech signal in a predetermined manner, and sends a processed speech signal to a control system of the smart device, to complete a corresponding control operation. The solution of the present disclosure can be applied to save energy consumption and improve the acoustic effect, break away from the constraints of the remote controller and facilitate the user's operation.

Abstract: Embodiments of the present disclosure disclose a far-field voice control device and a far-field voice control system. According to an embodiment, the far-field voice control device includes: a far-field voice pickup device and a voice analysis device. The far-field voice pickup device receives a voice sent by a user, and sends the voice to the voice analysis device. The voice analysis device analyzes the voice to determine whether the voice includes a preset wake-up word, and sends the voice to a cloud server communicating with the far-field voice control device if the voice includes the preset wake-up word. That is, a remote user may interact with the far-field voice control system supporting the far-field voice pickup function through voice, thereby achieving the corresponding control function.

Abstract: A pressure sensor has a housing, an air lead-in hole, a pressure lead-in hole, an inner cavity, a sensor chip, a lead frame and a cover plate. One end of the air lead-in hole is in communication with the inner cavity of the housing, and the other end of the air lead-in hole is in communication with the air; the pressure lead-in hole is perpendicularly disposed at the center of the upper surface of the housing, two steps are disposed on the upper surface of the inner cavity, and a horizontal surface-mounted device surface is disposed on each of the steps. The center of the sensor chip is aligned with the centers of the pressure lead-in hole, and the lower end of the pressure lead-in holes are in communication with the cavity of the sensor chip.

Abstract: An electronic device (100) and method for operating the same. The electronic device (100) comprises at least two working modes and comprises a connection state acquisition unit (110) and a mode switching unit (12). The connection state acquisition unit (110) is used for acquiring the connection state between the electronic device (100) and a remote control unit, and the remote control unit is used for remotely controlling the electronic device (100). The mode switching unit (12) is used for switching the working mode of the electronic device (100) according to the connected state.

Abstract: An electronic device (100) and method for operating the same. The electronic device (100) comprises at least two working modes and comprises a connection state acquisition unit (110) and a mode switching unit (12). The connection state acquisition unit (110) is used for acquiring the connection state between the electronic device (100) and a remote control unit, and the remote control unit is used for remotely controlling the electronic device (100). The mode switching unit (12) is used for switching the working mode of the electronic device (100) according to the connected state.