Abstract: An antenna multiplexing system includes N radio frequency front-ends, N impedance matching networks, a channel selection switch, and an antenna. Operating frequency bands of the N radio frequency front-ends are different, each radio frequency front-end is connected to one end of the channel selection switch through one impedance matching network, and another end of the channel selection switch is connected to the antenna, where N is an integer greater than or equal to 2.

Abstract: A mobile terminal includes a satellite antenna system that includes a satellite communication chip and at least two antennas. The at least two antennas include a first antenna and a second antenna configured to receive a radio frequency signal of a communication satellite. The first antenna and the second antenna are separately connected to the satellite communication chip, and at least a part of a first radiator of the first antenna and at least a part of a second radiator of the second antenna are located on different sides of the mobile terminal. An area of weak angle-dependent receiving sensitivity of the first antenna at least partially overlaps an area of strong angle-dependent receiving sensitivity of the second antenna.

Abstract: Example foldable electronic devices are provided. An example foldable electronic device includes an antenna apparatus including a first radiator, a second radiator, a first feeding circuit, a second feeding circuit, and a first tuning circuit. A length of the second radiator between a third open end and a second open end is greater than a length of the first radiator between a ground end and a first open end. When the electronic device is in a folded state, projections of the first open end and the second open end at least partially overlap, and a projection of the ground end is located between a first ground point and the second open end. The first tuning circuit is configured to adjust a second operating frequency band to be the same as or adjacent to a first operating frequency band.

Abstract: A self-regulating heating cable and production methods are provided. The self-regulating heating cable includes a conductive bus-frame and a ceramic positive temperature coefficient (PTC) chip. The conductive bus-frame includes a first frame element with a first stem and a first chip tab integral with and extending outward from the first stem, and a second frame element parallel to the first frame element and including a second stem and a second chip tab integral with and extending outward from the second stem. The PTC chip is disposed between and retained by the first chip tab and the second chip tab to create an electrical pathway from the first frame element through the first chip tab, the PTC chip, and the second chip tab to the second frame element.

Abstract: A method includes receiving a mixture signal comprising at least a first speaker, a second speaker, and background noise, the first speaker having a first distance to a microphone that outputs the mixture signal, the second speaker having a second distance to the microphone; training one or more neural networks to output a target channel and an interference channel by: inputting, into the one or more neural networks, the mixture signal and a task ID associated with one of the first speaker and the second speaker as a target speaker; determining a loss function based on the first distance and the second distance; and updating the neural network based on the loss function.

Abstract: A method and apparatus comprising computer code configured to cause a processor or processors to receive an audio signal obtained from a microphone, input the audio signal into a neural-network pipeline, the neural-network pipeline including a convolutional network that receives the audio signal and provides a first output of the convolutional network to an enhancer, the enhancer including a deep complex convolutional recurrent network that receives the first output along with a mel spectrogram of the audio signal and outputs a second output to at least one of a vocoder and a decoder, and control an output of an enhanced audio signal from the at least one of the vocoder and the decoder.

Abstract: An electronic device includes a first conductive side frame, an antenna and a first feed element. The first conductive side frame comprises a first side frame between a first position and a second position, and a second side frame between the second position and a third position. The second position is provided with a first slot. The antenna comprises a radiator having the first side frame grounded at the first position, and the second side frame grounded at the third position. The first side frame comprises a first feed point, and an operating frequency band of the antenna comprises a first frequency band and a second frequency band higher than the first frequency band. The first feed element comprises a first radio frequency channel corresponding to the first frequency band, and a second radio frequency channel corresponding to the second frequency band, that are coupled to the first side frame.

Abstract: A terminal device includes an antenna system. At least a part of a first radiator in a first antenna in the antenna system is distributed on a first side edge of a first body. At least a part of a second radiator in a second antenna in the antenna system is located on a third side edge of the first body. An inductive structure in the first antenna is connected between a first stub of the first radiator and a ground plane. The first stub and a second stub of the first radiator are coupled via a capacitive structure.

Abstract: The present disclosure relates to the field of nucleic acids, in particular, to compounds, compositions and methods for reducing MAPT (Tau) expression. The nucleic acids of the present disclosure can effectively reduce MAPT (Tau) levels, and they can inhibit MAPT gene expression in cells and animals through the RNA interference mechanism. Meanwhile, compared with other technologies such as antibody therapy, antisense technology and small molecules, RNAi agents can also achieve a lower administration frequency.

Abstract: An electronic device including an antenna structure is provided. A side frame between a first position and a second position of the electronic device is configured as a first radiator of the antenna structure. A side frame between the second position and a third position of the electronic device is configured as a second radiator of the antenna structure. A first slot is provided at the second position of the side frame. A second slot is formed between the second radiator and a ground. The first radiator extends in a first direction, and is spaced from the third radiator in a second direction. Projections of the third radiator and the first radiator in the second direction at least partially overlap. A first feed point is disposed on the third radiator or the first radiator, and the first feed point is configured to feed the antenna structure.

Abstract: An electronic device and an antenna switching method provide a first antenna, a second antenna, and a controller. When the electronic device is in different communication states, the controller may set some radiators as parasitic branches based on the respective different communication states.

Abstract: A method includes receiving an input audio waveform; inputting the input audio waveform into a variational autoencoder (VAE) to generate a latent representation of the input audio waveform; generating a modified latent representation of the input audio waveform by inputting the latent representation of the input audio waveform and a text prompt into a latent diffusion model; and generating a modified audio waveform by inputting the modified latent representation of the input audio waveform into a VAE decoder.

Abstract: An antenna apparatus includes a first branch, a frame branch, and a second branch. The frame branch is provided with a first gap, and the frame branch is divided into a first frame branch and a second frame branch by the first gap. The first branch, the second branch, the first frame branch and the second frame branch are conductive, not in contact with each other and are insulated from each other A first feeding circuit is electrically connected to the second frame branch, configured to transmit a first excitation signal to the second frame branch, and excite the second frame branch to radiate a first radio wave. A second feeding circuit is electrically connected to the second branch, configured to transmit a second excitation signal to the second branch, and excite the second branch to radiate a second radio wave.

Abstract: A method and apparatus comprising computer code configured to cause a processor or processors to receive multiple audio signals obtained from ones of a plurality of microphones of a microphone array, implement an audio zooming based on the audio signals by selectively focusing and enhancing first ones of the audio signals and by attenuating other ones of the audio signals, and control an output of audio based on the audio zooming, and the audio zooming includes a consolidating of a plurality of directional features of the first ones of the audio signals within a field around the microphone array and a countering based on determining directional aspects of the other ones of the audio signals from outside of the field.

Abstract: A chip system includes: a memory die; and at least two non-memory dies, including a first non-memory die and a second non-memory die. The first non-memory die includes a first controller, the second non-memory die includes a second controller, and the first controller and the second controller are configured to control access to the memory die.

Abstract: A method includes inputting an input text sequence into a language model to generate a plurality of speech samples; applying one or more preference models to the plurality of speech samples to generate a set of preferred samples and a set of non-preferred samples; applying direct performance improvement optimization to preference data associated with the set of preferred samples and the set of non-preferred samples to generate optimized samples; and training the language model based on the optimized samples.

Abstract: A method includes inputting a mixture signal comprising speech, background noise, and reverberation into a denoising stage that generates a denoised mixture signal with reduced noise compared to the mixture signal; fusing the denoised mixture signal with the mixture signal to generate a fused signal; and inputting the fused signal into a dereverberation and restoration (DR) stage to generate an output signal with reduced reverberation compared to the mixture signal.

Abstract: A method and apparatus comprising computer code configured to cause a processor or processors to obtain an audio signal from a channel of at least one microphone of a plurality of microphones, estimate a Kalman gain based on the audio signal, share the Kalman gain to a plurality of channels of other ones of the plurality of microphones, and output an AHS signal from the channel and the plurality of channels, wherein the AHS signal is a version of the audio signal in which acoustic howling noise of the audio signal is suppressed and target audio of the audio signal is sustained.

Abstract: The present disclosure is related to biomedicine, and specifically relates to a PCSK9-targeting RNAi agent and use thereof. The present disclosure significantly enhances the inhibitory effect of RNAi agents on PCSK9 by optimizing the modification method, thereby offering improved application potential for the prevention or treatment of PCSK9-related diseases.

Abstract: This application provides a method and apparatus, a device, and a storage medium for data processing and LLM training. The method includes: extracting raw data representing world knowledge from an information domain comprising websites, the raw data comprising a set of data elements, and each data element in the set of data elements comprising at least one of: a text portion; an image portion; an audio portion; or a video portion; using the each data element in the set of data elements as input, instructing a first LLM to infer a seed persona corresponding to the each data element; and storing the seed persona into a persona set comprising at least one persona.