Abstract: The present utility model relates to the technical field of water pumps, and more particularly, to a miniature electromagnetic water pump, which includes a pump body, a magnetic core plunger device installed in the pump body, an electromagnetic device sleeved outside the pump body, and a throttle valve device connected with the magnetic core plunger device, the magnetic core plunger device is used to pump the liquid outside the pump body to the throttle valve device, the electromagnetic device generates a pulsed electromagnetic field to push the magnetic core plunger device to reciprocate in the pump body, the miniature electromagnetic water pump of the present utility model has the advantages of stable liquid output and good liquid flow continuity.

Abstract: Disclosed are a method and apparatus for controlling a vehicle speed for autonomous driving, an electronic device and a computer-readable storage medium. The method includes: obtaining a basic vehicle speed control instruction output by a central controller of a target vehicle in real time; generating an ideal speed parameter matching the basic vehicle speed control instruction according to a preset processing delay; generating an additional vehicle speed control instruction to perform vehicle speed control on the target vehicle according to a difference between the ideal speed parameter and a real-time speed parameter of the target vehicle; and returning to perform the operation of generating the ideal speed parameter matching the basic vehicle speed control instruction according to the preset processing delay until the real-time speed parameter of the target vehicle tends to be consistent with the ideal speed parameter.

Abstract: Disclosed are a method and apparatus for controlling a vehicle speed for autonomous driving, an electronic device and a computer-readable storage medium. The method includes: obtaining a basic vehicle speed control instruction output by a central controller of a target vehicle in real time; generating an ideal speed parameter matching the basic vehicle speed control instruction according to a preset processing delay; generating an additional vehicle speed control instruction to perform vehicle speed control on the target vehicle according to a difference between the ideal speed parameter and a real-time speed parameter of the target vehicle; and returning to perform the operation of generating the ideal speed parameter matching the basic vehicle speed control instruction according to the preset processing delay until the real-time speed parameter of the target vehicle tends to be consistent with the ideal speed parameter.

Abstract: The present invention discloses an adaptive parameter adjustment method for a hybrid precoding millimeter-wave transmission system. The method includes the following step: interacting between a transmitter and a receiver for a number of radio frequency chains that need to be established. The receiver calculates, according to a received signal power at the time of established a different number of radio frequency chains and a total power consumption at the time of established the different number of radio frequency chains, the number of the radio frequency chains that need to be established. According to the present invention, under a condition of balancing power consumption and a rate, a number of radio frequency chains that need to be established is adaptively selected, so as to optimally configure power consumption and a transmission rate in a millimeter-wave transmission system.

Abstract: The present invention discloses an adaptive parameter adjustment method for a hybrid precoding millimeter-wave transmission system. The method includes the following step: interacting between a transmitter and a receiver for a number of radio frequency chains that need to be established. The receiver calculates, according to a received signal power at the time of established a different number of radio frequency chains and a total power consumption at the time of established the different number of radio frequency chains, the number of the radio frequency chains that need to be established. According to the present invention, under a condition of balancing power consumption and a rate, a number of radio frequency chains that need to be established is adaptively selected, so as to optimally configure power consumption and a transmission rate in a millimeter-wave transmission system.

Abstract: A fixing mechanism (2) includes a base (50), an air pump (70) and an air pipe assembly (60). The base defining a connecting hole (522) and a locating groove (542) therein. The air pipe assembly (60) includes a first pipe (62) communicating with the connecting hole, a second pipe (64) connected to the pump and communicating with the first pipe, and a third pipe (66) communicating with the first pipe and the second pipe.

Abstract: A fixing mechanism (2) includes a base (50), an air pump (70) and an air pipe assembly (60). The base defining a connecting hole (522) and a locating groove (542) therein. The air pipe assembly (60) includes a first pipe (62) communicating with the connecting hole, a second pipe (64) connected to the pump and communicating with the first pipe, and a third pipe (66) communicating with the first pipe and the second pipe.