Abstract: This application relates to a loudspeaker and an electronic device. In one example, the loudspeaker includes a cone frame, a first sounding unit, a second sounding unit, and an elastic suspension. The first sounding unit includes a magnetic circuit structure mounted on the cone frame, an annular vibrating diaphragm, and a voice coil connected to the annular vibrating diaphragm. The second sounding unit is arranged coaxially with the first sounding unit, where the second sounding unit is mounted in the middle of a side that is of the magnetic circuit structure and that faces the annular vibrating diaphragm. The elastic suspension is configured to elastically support the voice coil and the annular vibrating diaphragm on the cone frame.

Abstract: A rotor for a mud motor includes a core having a first outer shape, and a shell positioned around the core, the shell having a second outer shape that is different from the first outer shape, the second outer shape defining one or more lobes and one or more cavities that are configured to engage a bore of a stator during rotation of the rotor relative to the stator. A thickness of the shell varies as proceeding around the core, from a non-zero minimum thickness to a maximum thickness.

Abstract: A wireless communication method, a terminal device and a network device are provided. The terminal device receives a processing indicator from a network device, the processing indicator describing one or more details of a dynamically configured measurement gap that is aperiodic. The terminal device obtains location measurements according to the dynamically configured measurement gap, the location measurements corresponding to a current geographic location of the terminal device.

Abstract: Methods and systems for downlink (DL) positioning reference signal (PRS) configuration are provided. The method includes receiving, at a terminal device, information for configuring one or more DL PRS resource sets and configurating the terminal device according to the received information for configuring the one or more DL PRS resource sets. Each of the DL PRS resource set includes one or more DL PRS resources, and corresponds to a spatial transmission filter. The spatial transmission filter corresponds to a first value.

Abstract: In the present disclosure, a photodiode structure is used as a photosensor in an array substrate. The semiconductor structure in the photosensor includes a N-type heavily doped amorphous silicon layer, an amorphous silicon layer, and a P-type heavily doped amorphous silicon layer, thereby realizing the integration of photosensors into large-sized devices, the enhancement of device sensitivity, and the reduction of costs.

Abstract: The present disclosure relates to a method and a system for minimizing electromagnetic interference (EMI) of magnetic resonance imaging (MRI) systems in complex electromagnetic environments. The method and system described herein provide superior MRI image quality and may reduce costs by eliminating the requirement of expensive shielding in MRI systems/hybrid MRI systems.

Abstract: Provided is a method for providing positioning of user equipment (UE). UE receives configuration information for transmission of Sounding Reference Signal (SRS) resources for positioning to be associated with a higher layer parameter, which has a plurality of values respectively corresponding to a plurality of transmit (Tx) timing offsets of the UE. The UE transmits SRS resources for positioning associated with the higher layer parameter according to the configuration information to a plurality of TRPs. The plurality of values of the higher layer parameter are used for calculating positioning measurements between the UE and the plurality of TRPs based on the plurality of Tx timing offsets of the UE, and the calculated positioning measurements are used for determining the position of the UE.

Abstract: A method and device for beam reporting are provided. The method includes: using, by a terminal device, reference signal resources in a configured first set for channel measurement for a beam and reference signal resources in a configured second set for interference measurement for the beam; wherein the reference signal resources in the first set are associated by ordering with the reference signal resources in the second set; and calculating and reporting, by the terminal device, SINR, based on results of the channel measurement and the interference measurement.

Abstract: A user equipment (UE) in a wireless communication system. The UE comprises at least one processor configured to determine a first subcarrier spacing and a transceiver configured to transmit, to a base station (BS), random access signals generated with the first subcarrier spacing and receive a downlink control signaling comprising a physical (PHY) resource configuration that includes a second subcarrier spacing. The UE further comprises at least one processor configured to set the PHY resource configuration for at least one of uplink transmission or downlink reception.

Abstract: A method of a user equipment (UE) in a wireless communication system is provided. The method comprises: receiving, from a base station (BS), configuration information for a power control of a sidelink and a downlink reference signal (RS) to measure a downlink channel from the BS, wherein the sidelink is established between the UE and another UE; receiving, from the BS, the downlink RS based on the configuration information; calculating a first pathloss for the downlink channel between the UE and the BS based on the configuration information; identifying a second pathloss for the sidelink between the UE and the other UE; and transmitting, to the other UE, a physical sidelink shared channel (PSSCH) and a physical sidelink control channel (PSCCH) based on the first pathloss and the second pathloss.

Abstract: The present disclosure relates to a method and a system for minimizing electromagnetic interference (EMI) of magnetic resonance imaging (MRI) systems in complex electromagnetic environments. The method and system described herein provide superior MRI image quality and may reduce costs by eliminating the requirement of expensive shielding in MRI systems/hybrid MRI systems.

Abstract: Methods and apparatuses for beam reporting for multi-transmission/reception points are provided. The method includes receiving a set of resources for beam measurements. The set of resources includes two portions, each of which corresponds to a transmission/reception point. The method includes receiving a request to measure perform a layer-1 reference signal received power measurement, and reporting one or more reporting groups in a channel state information reporting instance.

Abstract: An array substrate and a display panel are provided. The array substrate includes a plurality of data lines and scan lines intersecting to form a plurality of subpixel units. Each of the subpixel units includes a substrate, a common electrode layer, and an active layer. The active layer includes at least a first active layer and at least a second active layer. The first active layer is located in a thin-film transistor included in the array substrate, and at least one of the second active layers is not located at a position where the common electrode layer and the data line overlap.

Abstract: A method includes receiving, at a user equipment, configuration data of a downlink positioning reference signal resource set, wherein the configuration data indicates an association between a first downlink positioning reference signal resource and a second downlink positioning reference signal resource; obtaining a first reference signal received power measurement of the first downlink positioning reference signal resource and a second reference signal received power measurement of the second downlink positioning reference signal resource; and transmitting the first reference signal received power measurement and the second reference signal received power measurement to a transmission/reception point based on the association between the first downlink positioning reference signal resource and the second downlink positioning reference signal resource.

Abstract: Methods and an apparatus are provided. The method includes: receiving, at a user equipment (UE), configuration information from a next generation nodeB (gNB), where the gNB includes a first transmission/reception point (TRP) and a second TRP; requesting, by the gNB, the UE to report beam measurements for the first TRP and beam measurements for the second TRP; determining, by the UE, the beam measurements for the first TRP based on channel measurement resources (CMR) of the first TRP; and determining, by the UE, the beam measurements for the second TRP based on CMR of the second TRP.

Abstract: Methods and devices for configuring a transmission configuration indicator (TCI) are provided. In some embodiments, the method includes (i) receiving a list of TCI states by a terminal device; and (ii) determining a joint TCI, by the terminal device, based on the list of the TCI states. At least one of the TCI states includes one or more first parameters for a downlink (DL) transmission and one or more second parameters for an uplink (UL) transmission. The joint TCI indicates parameters for both DL and UL transmissions of the terminal device.

Abstract: A cryogenic propellant rocket engine, a flowmeter calibration system and method for the cryogenic propellant rocket engine have been provided. The flowmeter calibration system for the cryogenic propellant rocket engine includes a container filling unit, a container, a supply pipeline, a weighing unit, a quick recovery container, a weighing and filling recovery unit and a recovery unit which are sequentially connected; the container filling unit is configured to connect a tank wagon with the container; and the supply pipeline includes a temperature sensor and a pressure sensor, as well as a first isolation valve, a reference flowmeter, a calibration flow adjusting manual valve, a vertical main pipe and N circumferentially and uniformly distributed horizontal pipes which are sequentially connected by a pipeline.

Abstract: A method of a first UE comprises: determining a sidelink synchronization identity (SL-SID) and a set of resources; generating at least one sidelink synchronization signal and physical broadcast channel (S-SSB) based on the SL-SID and the set of resources, wherein each S-SSB of the at least one S-SSB includes first two symbols for a sidelink primary synchronization signal (S-PSS) and second two symbols for a sidelink secondary synchronization signal (S-SSS); generating a first sequence corresponding to the S-PSS, wherein the first sequence is determined based on a binary phase shift keying (BPSK) modulated M-sequence with a 127 of sequence length and a low cross-correlation with a PSS; generating a second sequence corresponding to the S-SSS, wherein the second sequence is determined based on a BPSK modulated Gold-sequence with a 127 of sequence length; and transmitting, the at least one S-SSB over sidelink channels established with the second UE.

Abstract: A rotor for a mud motor includes a core having a first outer shape, and a shell positioned around the core, the shell having a second outer shape that is different from the first outer shape, the second outer shape defining one or more lobes and one or more cavities that are configured to engage a bore of a stator during rotation of the rotor relative to the stator. A thickness of the shell varies as proceeding around the core, from a non-zero minimum thickness to a maximum thickness.

Abstract: An insulation detection device and an insulation detection method for a cooling plate of a battery pack are provided. The device includes: a liquid tank, a fixing apparatus, and an insulation detector. The liquid tank is configured to hold a liquid metal. The liquid tank includes a liquid injection port and a liquid outlet. The fixing apparatus is configured to fix the cooling plate of the battery pack in the liquid tank, where the cooling plate of the battery pack is hollow, an outer surface of the cooling plate of the battery pack is coated with an insulation coating, and the outer surface of the cooling plate of the battery pack is immersed in liquid metal. The insulation detector is configured to measure a resistance between an inner wall of the cooling plate of the battery pack and the liquid metal.