Abstract: A clock recovery circuit includes a frequency tracking loop including a first charge pump, and a phase tracking loop including a second charge pump. A voltage-controlled oscillator responds to the frequency tracking loop in a first operating mode and to the phase tracking loop in a second operating mode. A lock detector outputs an activation signal that indicates whether the clock recovery circuit has acquired frequency lock. A loop filter coupled to an input of the voltage-controlled oscillator includes a switchable resistor and a programmable delay element responsive to the activation signal. The first charge pump is disabled when the activation signal indicates frequency lock has been acquired, and disabled when the activation signal indicates frequency lock has not been acquired. The switchable resistor is bypassed when an output of the programmable delay element is in the first signaling state.

Abstract: A balun structure and an electronic device. The balun structure includes: a dielectric substrate; a first grounding conductive layer, a first transmission line, a second transmission line, and a third transmission line, wherein at least one coupling structure is connected in series between a first end and a second end of the third transmission line. The coupling structure includes a first coupling part and a second coupling part, wherein in the same coupling structure, one end of the first coupling part facing the second coupling part has at least one first branch line, and one end of the second coupling part facing the first coupling part has at least one second branch line; and in the same coupling structure, the first branch line of the first coupling part is in coupling connection with the second branch line of the second coupling part.

Abstract: An environment managing and monitoring system and a method using same are provided. The environment managing and monitoring system is configured to assist monitors to obtain real-time information of the monitoring field and control device in the monitoring field. The environmental managing and monitoring system includes at least one sub-system and a host system. The host system is configured to output a region of interest condition and a monitoring condition to the sub-system, wherein the sub-system is configured to generate monitoring results according to the monitoring conditions, and selects an image range from the captured wide-angle dynamic real-time images according to the region of interest condition.

Abstract: Provided are a channel state processing method and apparatus, a system, a terminal, a base station, and a storage medium. The method includes: receiving a configuration parameter sent by the base station; determining channel state information according to the configuration parameter; vectorizing the channel state information, and determining a reference vector coefficient for the channel state information; determining, according to the reference vector coefficient, a vector coefficient variation of the vectorized channel state information; and reporting the vector coefficient variation and the reference vector coefficient separately.

Abstract: The present disclosure provides a waveguide conversion device and wireless communication system. The waveguide conversion device includes: a waveguide cavity including a waveguide transmission cavity and a waveguide back cavity facing each other; a base substrate between the waveguide transmission cavity and the waveguide back cavity, the base substrate including at least a first substrate; and a conversion module on the first substrate and including a balanced antenna, a first differential strip-line and a second differential strip-line, wherein the balanced antenna is in a region where the waveguide transmission cavity faces the waveguide back cavity, the balanced antenna includes a first output port and a second output port; a first end of the first differential strip-line is connected to the first output port of the balanced antenna, and a first end of the second differential strip-line is connected to the second output port of the balanced antenna.

Abstract: A method for forming a semiconductor device structure includes forming nanostructures in a first region and a second region over a substrate. The method also includes forming a gate dielectric layer surrounding the nanostructures. The method also includes forming dummy structures between the nanostructures. The method also includes forming a dielectric layer over the nanostructures. The method also includes forming a dielectric structure between the nanostructures in the first region and nanostructures in the second region. The method also includes removing the dummy structures in the first region. The method also includes depositing a first work function layer over the nanostructures. The method also includes removing the first work function layer and the dummy structures in the second region. The method also includes depositing a second work function layer over the nanostructures.

Abstract: This application discloses a behavior determining method and apparatus, and a related device. The method includes: obtaining, by a terminal, target information, where the target information is associated with a plurality of candidate resources for PDCCH repetition transmission; and determining, by the terminal, a terminal behavior based on the target information.

Abstract: The present disclosure provides systems and methods for motion correction of a positron emission computed tomography (PET) image. The method may include: obtaining scanned images of a scanned object generated at a plurality of time points; and determining a parametric image by performing a correction processing on the scanned images, wherein the correction processing may be configured to correct an influence of a motion of the scanned object on the scanned images.

Abstract: A channel state information transmission method, applied to a first communication node, is provided. The method includes: receiving configuration information of a second communication node; receiving a channel state information reference signal sent by the second communication node, according to the configuration information; and reporting channel state information according to the configuration information, wherein the channel state information is determined according to the channel state information reference signal; wherein the configuration information includes configuration information of the channel state information.

Abstract: A network monitoring system sends, to a wireless local area network (WLAN), registration information associated with a monitoring unit of the monitoring system, wherein the monitoring unit communicates with and is located within a predetermined distance of an access point of the WLAN. The network monitoring system receives a list of discoverable servers in the WLAN associated with the monitoring unit and generates instructions to be configured on the monitoring unit and executed by the access point. The instructions indicate performing discovery based on a multicast Domain Name Service (mDNS) protocol and determining reachability of the discoverable servers. The network monitoring system obtains metrics associated with the mDNS discovery and server reachability information. The network monitoring system integrates with the WLAN by synchronizing the obtained metrics and information.

Abstract: Methods, apparatus, and storage medium for transmitting demodulation reference signals are described. A method of transmitting demodulation reference signals includes: configuring demodulation reference signal parameters; dividing resource elements corresponding to at least one code division multiplexing group into K resource elements sets based on the demodulation reference signal parameters, wherein K is an integer greater than 1; and transmitting a first category of demodulation reference signals on at least one set of resource elements among the K sets of resource elements.

Abstract: A quick tripping device of a circuit breaker having a contact system that includes a moving contact mechanism and a static contact, wherein the moving contact mechanism includes a contact support and a moving contact, and a contact spring having, two ends connected with the moving contact and the contact support respectively. The quick tripping device further includes a first transmission structure in driving fit with the contact spring and rotatable rotates along with the contact spring. When a short-circuiting current flows through the contact system, the moving contact is repelled by an electric repulsive force between the moving contact and the static contact, so that the moving contact rotates relative to the contact support. The moving contact drives the first transmission structure to rotate through the contact spring, and the first transmission structure drives an operating mechanism to trip.

Abstract: Provided are a method and apparatus for uplink transmission, a method and apparatus for receiving signal, a terminal device, a service node and a non-transitory computer-readable storage medium. The method for uplink transmission may include: performing beamforming on a Sounding Reference Signal (SRS) according to a target parameter, and transmitting the SRS beamformed, wherein the target parameter is determined according to downlink channel information; receiving precoding information; and transmitting an uplink transmission signal according to the target parameter and the precoding information.

Abstract: A method and a system for controlling battery swapping of a vehicle and a vehicle are provided. The method includes: receiving, by a vehicle control unit (VCU), a battery swapping instruction, and transmitting the battery swapping instruction to a battery manager when the vehicle is in a high-voltage power-on state; transmitting, by the battery manager, an enable instruction to a direct current (DC) charger assembly in response to the received battery swapping instruction; and performing, by the DC charger assembly, a starting operation in response to the enable instruction, so as to provide a power supply voltage to a vehicle load after an electrical connection between a power battery pack and a high-voltage circuit of the vehicle is cut off during battery swapping of the vehicle.

Abstract: A control method for a train to enter an emergency traction mode is provided. The control method for a train to enter an emergency traction mode is applicable to a traction control system of a train. The method includes the following steps: It is detected whether current emergency traction information satisfies a condition of entering an emergency traction mode. When the current emergency traction information satisfies the condition of entering the emergency traction mode, the train is controlled to enter the emergency traction mode. A hard-wired signal sent by a driver controller is received, and a corresponding operation is performed according to a type of the hard-wired signal.

Abstract: A method of automatic battery swapping control for a rail transit vehicle is applicable to a rail transit vehicle automatic battery swapping system including a ground battery swapping device and a rail transit vehicle. The method includes: receiving a battery swapping signal, and in response to the battery swapping signal, blocking traction of the rail transit vehicle; communicating the in-vehicle wireless communication device with the ground wireless communication device, to enable battery swapping for the rail transit vehicle; receiving a battery swapping completion notification sent by the battery management system; and disconnecting the in-vehicle wireless communication device from the ground wireless communication device, and lifting the vehicle blockade of the rail transit vehicle.

Abstract: A side rack includes a chassis, a first horizontal support coupled to the chassis, a second horizontal support coupled to the chassis, and a third horizontal support coupled to the chassis. The first horizontal support is configured to be coupled to a first piece of equipment, the second horizontal support is configured to be coupled to the first piece of equipment, and the third horizontal support is configured to be coupled to a second piece of equipment.

Abstract: An access point (AP) in an AP cluster is provided. During operation, the AP can identify a set of Internet Protocol (IP) addresses of permitted devices in a virtual local area network (VLAN) of the AP cluster from a first set of packets. The AP can also identify a set of media access control (MAC) addresses corresponding to the set of IP addresses from a second set of packets. The AP can then generate a whitelist comprising the sets of IP and MAC addresses. The whitelist can indicate addresses of packets permitted to be forwarded via the wireless interface. The AP can identify a target IP address in an Address Resolution Protocol (ARP) request. If the target IP address is absent in the whitelist, the AP can preclude the wireless interface from forwarding the ARP request to clients wirelessly coupled to the wireless interface.

Abstract: A method for predicting remaining useful life for industrial equipment and associated sensor modules are provided. The method includes monitoring machine sensor data for the industrial equipment in an industrial environment using at least one sensor and applying a two-tier model implemented by a computing device by executing a set of instructions from a non-transitory machine readable memory using a processor of the computing device. The two-tier model receives as input sensor data comprising the machine sensor data and applies physics of failure of the industrial equipment to determine a prediction for remaining useful life for the industrial equipment, uncertainty in the prediction for the remaining useful life for the industrial equipment, and an explanation to the prediction for the remaining useful life for the industrial equipment.