Abstract: Provided is a clock management apparatus wherein the clock management apparatus includes a clock synchronization signal generator, a plurality of clock gating units and clock frequency division modules; a synchronization signal of a predetermined period is generated by the clock synchronization signal generator; each of the clock gating units is connected in series with a corresponding one of the clock frequency division modules to form a signal processing branch; and the signal processing branches are connected in parallel to receive a source clock signal respectively, the clock gating unit controls the on-off switch of the signal processing branch, and the clock frequency division modules are configured to perform phase adjustment on the clock signals of the signal processing branches after receiving the synchronization signal output by the clock synchronization signal generator, and to adjust the clock signals of the signal processing branches from an asynchronous state to a synchronous state.

Abstract: The present disclosure provides a method for aligning a master oscillator power amplifier (MOPA) system. The method includes ramping up a pumping power input into a laser amplifier chain of the MOPA system until the pumping power input reaches an operational pumping power input level; adjusting a seed laser power output of a seed laser of the MOPA system until the seed laser power output is at a first level below an operational seed laser power output level; and performing a first optical alignment process to the MOPA system while the pumping power input is at the operational pumping power input level, the seed laser power output is at the first level, and the MOPA system reaches a steady operational thermal state.

Abstract: A chassis with built-in handles which do not add to dimensional clearance required for the chassis to be placed in a cavity includes a side plate, a mounting unit, and a handle. A mounting groove is defined on the side plate. The mounting unit is coupled to the side plate. The handle is partially clamped by the side plate and the mounting unit, and rotatably coupled with the side plate. By rotating the handle, the handle can be stored at least flush in the mounting groove.

Abstract: A locking assembly can lock a workpiece. The workpiece includes a locking hole. The locking assembly includes a housing, a movable component, and an unlocking handle. The movable component includes a sleeve, a pin, and an unlocking cover. The sleeve is mounted on the housing. The pin is accommodated in the sleeve, and a portion of the pin protrudes from the housing and accommodated in the locking hole. The unlocking cover is fixed to the pin. The unlocking handle is disposed between the unlocking cover and the sleeve. The unlocking cover can be pulled from a first direction to move the pin out of the locking hole; or the unlocking handle can be pulled from a second direction intersecting with the first direction, and the unlocking handle can abut against the unlocking cover to drive the pin to move out of the locking hole.

Abstract: This disclosure may provide a system and a method. The method may include obtaining one or more sets of reference signals collected by a coil of a magnetic resonance imaging (MRI) device in a pre-scan. The pre-scan may be performed on a subject before an MRI scan of the subject. The method may also include obtaining a first fault detection model. The first fault detection model may be a trained machine learning model. The method may further include determining whether the coil has a failure based on the one or more sets of reference signals and the first fault detection model.

Abstract: The present application discloses a multi-time programmable electronic fuse apparatus, including: a one-time programmable cell module, a parsing module and a multi-time programmable cell module. The one-time programmable cell module is configured to store one-time programmable data, the multi-time programmable cell module includes a storage cell array capable of reading and writing data multiple times and is configured to store multi-time programming data. The parsing module is configured to read the one-time programming data transmitted from the one-time programmable cell module, to write the parsed initialization data into the multi-time programmable cell module upon reading the initialization data; to parse the fix data to obtain a fix location and a fix value upon reading the fix data, and to replace data stored in the corresponding fix location in the storage cell array with the fix value.

Abstract: A subway hybrid-energy multifunctional-end-integrated heat pump system includes energy and user ends and hot water tank. A first energy end includes a capillary-tube front-end heat exchanger and a subway capillary heat pump unit. A second energy end includes a solar panel. A third energy end includes an air-cooled heat pump unit. The user end includes air conditioner, hot water supply, underfloor heating, and radiator heating ends. The first, second and third energy ends connect to the hot water tank. A water outlet is connected to the air conditioner, hot water supply, underfloor heating, and radiator heating ends. Water outlets of the air conditioner, underfloor heating, and radiator heating ends are respectively connected to the first, second and third energy end through a return pipe.

Abstract: The present disclosure provides methods and systems for federated learning. The systems include a central server and client devices communicatively connected with the central server. The central server may be configured to maintain a global prediction model for signal prediction, and each of the client devices is configured to maintain a local prediction model for signal prediction corresponding to at least one medical device. The client devices include one or more target client devices.

Abstract: The present disclosure relates to the technical field of rapid detection of molecules, and specifically relates to a method for rapid fluorescent immunoassay (FIA) and chemiluminescent immunoassay (CLIA) based on electrokinetic acceleration. The method includes the following steps sequentially: S1. sample acceleration: applying an actuating signal to a chip on which a target molecule is dripped to obtain a chip binding to the target molecule, where the chip includes an electrode sheet and coating molecules is immobilized on the electrode sheet; and S2. secondary antibody acceleration: adding a secondary antibody for binding to the target molecule dropwise on the chip binding to the target molecule, and applying an actuating signal to the chip to obtain a chip binding to the secondary antibody. The method can effectively improve a rate of FIA and CLIA, and can speed up a detection process and meet the need for rapid point-of-care testing (POCT).

Abstract: Method and device for water-fat separation of image, computer apparatus, and computer-readable storage medium.

Abstract: The present disclosure relates to the technical field of rapid detection of molecules, and specifically relates to a method for rapid fluorescent immunoassay (FIA) and chemiluminescent immunoassay (CLIA) based on electrokinetic acceleration. The method includes the following steps sequentially: S1. sample acceleration: applying an actuating signal to a chip on which a target molecule is dripped to obtain a chip binding to the target molecule, where the chip includes an electrode sheet and coating molecules is immobilized on the electrode sheet; and S2. secondary antibody acceleration: adding a secondary antibody for binding to the target molecule dropwise on the chip binding to the target molecule, and applying an actuating signal to the chip to obtain a chip binding to the secondary antibody. The method can effectively improve a rate of FIA and CLIA, and can speed up a detection process and meet the need for rapid point-of-care testing (POCT).

Abstract: The present disclosure discloses a calibration method and system for medical imaging. The calibration method comprising: obtaining imaging data; dividing the imaging data into a plurality of patches; and calibrating the imaging data based on one or more target patches of the plurality of patches, wherein the one or more target patches is a part of the plurality of patches.

Abstract: A crucible device for growing crystals includes a container being arrangeable in a heating chamber of a heating apparatus, and a seed fixture element. The container includes a base section and the seed fixture element includes a seed surface which is configured for attaching a seed crystal. The seed fixture element is moveable coupled to the base section such that the distance between the seed surface and the base section is adjustable.

Abstract: A chip system including I/O pins, a memory chip and a processing chip is provided. The processing chip includes I/O pads, memory access pads, a processor, an I/O controller, a memory controller and a transmission gate module. Under an operation mode, the I/O controller allows the processor to communicate with an external circuit device through the I/O controller, the I/O pads and the I/O pins. Under the operation mode, the memory controller allows the processor to access the memory chip through the memory controller and the memory access pads. The transmission gate module is enabled during a program mode or a test mode to allow the external circuit device to perform programming or testing on the memory chip through the I/O pins, the I/O pads, the transmission gate module and the memory access pads.

Abstract: The present invention provides a pin multiplexer including a multiplexing circuit, a control circuit and a detecting circuit. The multiplexing circuit includes a first port, a second port and a third port, wherein the first port, the second port and the third port are coupled to a first device, a second device and a third device, respectively. The control circuit is configured to control the multiplexing circuit to operate in a first mode or a second mode, wherein when the multiplexing circuit operates in the first mode, the first port is coupled the second port; and when the multiplexing circuit operates in the second mode, the first port is coupled to the third port. When operating in the second mode, the detecting circuit detects a signal of the first port to generate a detection result for dynamically switching the data transmission direction between the third device and the first device.

Abstract: A subway hybrid-energy multifunctional-end-integrated heat pump system includes energy and user ends and hot water tank. A first energy end includes a capillary-tube front-end heat exchanger and a subway capillary heat pump unit. A second energy end includes a solar panel. A third energy end includes an air-cooled heat pump unit. The user end includes air conditioner, hot water supply, underfloor heating, and radiator heating ends. The first, second and third energy ends connect to the hot water tank. A water outlet is connected to the air conditioner, hot water supply, underfloor heating, and radiator heating ends. Water outlets of the air conditioner, underfloor heating, and radiator heating ends are respectively connected to the first, second and third energy end through a return pipe.

Abstract: Techniques are described for adjusting parameter settings for bitrate selection algorithms for different segments of a population of devices streaming content. Streaming sessions are identified according to session characteristics. Within each segment of sessions, control parameter settings are sent to devices corresponding to a subset of each segment. Test parameter settings are sent to devices corresponding to another subset of each segment. If the test parameter settings result in better playback performance relative to the control parameter settings, the test parameter settings become the new control parameter settings, and new test parameter settings are generated.

Abstract: A method for scanning a keyboard circuit is provided. The keyboard circuit includes a keyboard array, output wires, input wires, and a scanning circuit. Each of the output wires is electrically coupled to a corresponding column of key units of the keyboard array, respectively. Each of the input wires is electrically coupled to a corresponding row of key units of the keyboard array, and is provided with a pull-up resistor. The method includes: turning on and connecting open-drain transistors to the ground in a scanning interval to clean charges on the output wires; turning on the open-drain transistors and connecting the open-drain transistors to the ground sequentially in a scanning duration; and receiving detected electrical levels through the input wires, and when one of the detected electrical levels is substantially equal to the electrical level of the ground, determining that the corresponding key unit is pressed.

Abstract: A method for scanning a keyboard circuit is provided. The keyboard circuit includes a keyboard array, output wires, input wires, and a scanning circuit. Each of the output wires is electrically coupled to a corresponding column of key units of the keyboard array, respectively. Each of the input wires is electrically coupled to a corresponding row of key units of the keyboard array, and is provided with a pull-up resistor. The method includes: turning on and connecting open-drain transistors to the ground in a scanning interval to clean charges on the output wires; turning on the open-drain transistors and connecting the open-drain transistors to the ground sequentially in a scanning duration; and receiving detected electrical levels through the input wires, and when one of the detected electrical levels is substantially equal to the electrical level of the ground, determining that the corresponding key unit is pressed.