Abstract: A signal transmission apparatus is provided in the present disclosure, including: a substrate, and a BLUETOOTH antenna and WI-FI antennas which are provided on a same side edge of the substrate. At least two branches of the WI-FI antennas are provided, and the BLUETOOTH antenna and the WI-FI antennas are provided at intervals. According to the present disclosure, the BLUETOOTH antenna and the WI-FI antennas are provided on the same side edge of the substrate, and the BLUETOOTH antenna and the WI-FI antennas are provided at intervals, so that all the antennas of the signal transmission apparatus are provided at an edge of a terminal board, thereby facilitating signal transmission and solving a problem in the prior art that the BLUETOOTH antenna and the WI-FI antennas are respectively provided on two side edges of the substrate, affecting data transmission.

Abstract: The present disclosure relates to the technical field of space electric propulsion of spacecrafts, and discloses a thrust-quantitatively-controllable and self-neutralizable Kaufman ion thruster and a use method thereof. The Kaufman ion thruster includes a discharge chamber, a central cathode, a gas supply assembly, a steel magnetic assembly, an insulating barrier and a grid system, wherein the central cathode is coaxially inserted in the center of a front panel; the gas supply assembly includes an electronegative working substance gas source, a conventional working substance gas source, N electronegative working medium gas supply pipes and N working medium gas supply pipes; the insulating barrier includes a central connecting rod and 2N fins. Self-neutralization can be achieved without the need of neutralizers. In addition, the center-oriented thrust modes can be used for spacecraft orbit control; and the eccentric thrust mode can be used for spacecraft attitude adjustment.

Abstract: An embodiment of the present disclosure provides an antenna device and a smart television. The antenna device includes a substrate; a first metal layer formed with a slot to form a Bluetooth slot antenna through the slot, the first metal layer is further formed with a first notch and a second notch, the first notch and the second notch being located at both sides of the slot; a first WiFi antenna located at the first notch; a second WiFi antenna located at the second notch.

Abstract: Disclosed herein include systems, devices, and methods for counterfactual optimization. In some embodiments, spatial omics training data can comprise a plurality of training images each comprising a plurality of molecule channels. A training image label can be generated for each of a plurality of training images indicating presence of at least one T cell in the training image. A plurality of masked training images can be generated from a plurality of training images with any T cell present in a training image of the plurality of training images masked in a masked training image of the plurality of masked training images generated. A model comprising a classifier with the plurality of masked training images as input and the training image label as output can be generated. A counterfactual optimization can be performed to determine a tumor perturbation using a second plurality of images with no T cell present in each of the plurality of images.

Abstract: A signal transmission apparatus provided in the present invention, comprising: a substrate, and a Bluetooth antenna and WIFI antennas which are provided on the same side edge of the substrate. At least two branches of WIFI antennas are provided, and the Bluetooth antenna and the WIFI antennas are provided at intervals. According to the present invention, the Bluetooth antenna and the WIFI antennas are provided on the same side edge of the substrate, and the Bluetooth antenna and the WIFI antennas are provided at intervals, so that all the antennas of the signal transmission apparatus are provided at the edge of a terminal board, thereby facilitating signal transmission, and solving the problem in the prior art that the Bluetooth antenna and the WIFI antennas are respectively provided on two side edges of the substrate so as to affect data transmission.

Abstract: Disclosed are a microstrip antenna and a television. The microstrip antenna comprises a substrate, an excitation layer and a grounding layer which are provided on the substrate, and a feed unit and a coupling structure which are provided in the excitation layer. The feed unit is electrically connected to the excitation layer. A coupling layer and the excitation layer are electrically connected to the grounding layer. The coupling structure comprises the coupling layer and a dielectric layer. The dielectric layer is located between the excitation layer and the coupling layer. The coupling layer and the excitation layer are electrically connected to the grounding layer.

Abstract: Disclosed are a double frequency vertical polarization antenna and a television. The double frequency vertical polarization antenna includes a dielectric substrate, and the dielectric substrate includes a power feeding surface and a mounting surface arranged oppositely. The double frequency vertical polarization antenna further includes a power feeder and an antenna part. The power feeder is provided on the power feeding surface of the dielectric substrate, and the antenna part is provided on the mounting surface of the dielectric substrate. The antenna part includes a high-frequency radiation unit and a low-frequency radiation unit spaced apart from each other. Both the high-frequency radiation unit and the low-frequency radiation unit are penetrated through the dielectric substrate and electrically connected to the power feeder.

Abstract: Disclosed are a signal transmission device and a smart TV including a wireless signal module. The signal transmission device includes: a main antenna having a first signal input port, the first signal input port being connected with the wireless signal module; a transmission antenna adjacent to and spaced from the main antenna, the transmission antenna having a signal output port; and a dead-zone compensating antenna having a second signal input port. The second signal input port is connected with the signal output port through a signal transmission line, and the main antenna receives signals input by the wireless signal module and transmits the signals, the transmission antenna receives a part of the signals and transmits the part of the signals to a dead-zone compensating antenna through the signal transmission line; the dead-zone compensating antenna transmits the received signals and compensates a signal dead zone of the main antenna.

Abstract: Disclosed are a double frequency vertical polarization antenna and a television. The double frequency vertical polarization antenna includes a dielectric substrate, and the dielectric substrate includes a power feeding surface and a mounting surface arranged oppositely. The double frequency vertical polarization antenna further includes a power feeder and an antenna part. The power feeder is provided on the power feeding surface of the dielectric substrate, and the antenna part is provided on the mounting surface of the dielectric substrate. The antenna part includes a high-frequency radiation unit and a low-frequency radiation unit spaced apart from each other. Both the high-frequency radiation unit and the low-frequency radiation unit are penetrated through the dielectric substrate and electrically connected to the power feeder.

Abstract: Disclosed are a microstrip antenna and a television. The microstrip antenna comprises a substrate, an excitation layer and a grounding layer which are provided on the substrate, and a feed unit and a coupling structure which are provided in the excitation layer. The feed unit is electrically connected to the excitation layer. A coupling layer and the excitation layer are electrically connected to the grounding layer. The coupling structure comprises the coupling layer and a dielectric layer. The dielectric layer is located between the excitation layer and the coupling layer. The coupling layer and the excitation layer are electrically connected to the grounding layer.

Abstract: Disclosed are a signal transmission device and a smart TV including a wireless signal module. The signal transmission device includes: a main antenna having a first signal input port, the first signal input port being connected with the wireless signal module; a transmission antenna adjacent to and spaced from the main antenna, the transmission antenna having a signal output port; and a dead-zone compensating antenna having a second signal input port. The second signal input port is connected with the signal output port through a signal transmission line, and the main antenna receives signals input by the wireless signal module and transmits the signals, the transmission antenna receives a part of the signals and transmits the part of the signals to a dead-zone compensating antenna through the signal transmission line; the dead-zone compensating antenna transmits the received signals and compensates a signal dead zone of the main antenna.

Abstract: Disclosed is an audio/video signal synchronization method which includes: acquiring a delay data value of an audio signal formed by a wireless module of an audio/video signal synchronization apparatus and a wireless audio device; according to a display format of a video data to be played, calculating playing time of each frame of the video data to be played; according to the delay data value and the playing time of each frame, calculating the number of frames to be buffered, and generating and buffering the frames with the corresponding number; and according to an audio/video playing instruction, playing the buffered frames and the video data to be played sequentially, and transmitting audio data corresponding to the video data to be played to the wireless audio device to play the audio data while playing the buffered frames. Also disclosed is an audio/video signal synchronization apparatus.

Abstract: Disclosed is an audio/video signal synchronization method which includes: acquiring a delay data value of an audio signal formed by a wireless module of an audio/video signal synchronization apparatus and a wireless audio device; according to a display format of a video data to be played, calculating playing time of each frame of the video data to be played; according to the delay data value and the playing time of each frame, calculating the number of frames to be buffered, and generating and buffering the frames with the corresponding number; and according to an audio/video playing instruction, playing the buffered frames and the video data to be played sequentially, and transmitting audio data corresponding to the video data to be played to the wireless audio device to play the audio data while playing the buffered frames. Also disclosed is an audio/video signal synchronization apparatus.