Abstract: The present invention relates to a circuit structure for realizing real-time pre-distortion calibration of broadband IQ modulation, comprises a baseband generation module, for the calibration signal generator to generate two orthogonal sine cosine calibration signals respectively according to the calibration bandwidth and the order of the pre-distortion filter, and the data switch is switched to the relevant data channel; a digital-to-analog conversion module, for converting the signals into analog I and Q baseband signals; a frequency synthesis module, for generating signals in a certain frequency range; a IQ modulation module, for mixing the analog baseband signal with the local oscillator signal; an amplitude control module, for continuous adjustment of the RF signal power. The present invention also relates to a method for realizing real-time pre-distortion calibration processing of broadband IQ modulation.

Abstract: The present disclosure relates to the field of transport networks, packet-based network systems, and load balancing in such network systems. More specifically, the load balancing is performed on a network cycle level. The present disclosure provides a network device for cycle-based load balancing, configured to obtain a load balancing policy comprising an input cycle identifier and an associated output identifier. The network device is further configured to obtain a network packet in an input cycle of the network device, determine an output of the network device based on the input cycle, the input cycle identifier, and the associated output identifier, and provide the network packet to the output of the network device.

Abstract: This application discloses a service level adjustment method, apparatus, device, and system, and a storage medium. The method includes: A control device obtains at least one piece of related information in at least one piece of queue status information, a remaining data flow parameter, a current data flow parameter, and a quantity of reporting times of exception information of a target service level of a network device. The control device adjusts, when any information in the related information does not meet a threshold corresponding to the any information, a parameter of the target service level based on a maximum delay associated with the target service level.

Abstract: A service level adjustment method includes obtaining by a first network device at least one piece of queue status information at a target service level of the first network device; when any one of the at least one piece of queue status information exceeds a first threshold upper limit corresponding to the any queue status information, adjusting by the first network device a parameter of the target service level based on a maximum delay associated with the target service level; when the queue status information at the target service level exceeds the corresponding threshold upper limit, adjusting by the first network device the parameter of the target service level based on the associated maximum delay.

Abstract: This application discloses a service level configuration methods and apparatuses, and belongs to the field of communications network technologies. According to an example method, a target service level used by a first forwarding node to forward a data flow is directly determined based on a transmission parameter of the data flow and service level information of the first forwarding node, and service level configuration is performed on the first forwarding node. Because a transmission parameter of the target service level of the first forwarding node and the transmission parameter of the data flow meet a first target condition, if the first target condition is a delay requirement required by a special service and the first forwarding node transmits the data flow by using the target service level, transmission of the data flow may meet the delay requirement required by the special service.

Abstract: A computer system includes a course repository and a server. The course repository includes a video of an online course, an instructor provided output for a programming assignment associated with the online course, and a submission script for generating student provided output for the programming assignment. The server includes a submission module that receives and verifies the student provided output for the programming assignment. The server further includes one or more built-in grader applications that compare the student provided output with the instructor provided output to determine a grade for the programming assignment.

Abstract: A method for analyzing a correlation between rail transit and direct current (DC) magnetic bias of a transformer includes the following steps: A: obtaining a current of a feed cable and a DC magnetic bias current: measuring the feed cable current in rail transit and the DC magnetic bias current of a transformer in a power grid within a certain period by a monitoring apparatus; B: calculating a characteristic quantity of the feed current within the measurement period based on the obtained current of the feed cable; C: calculating a characteristic quantity of the DC magnetic bias current within the measurement period based on the DC magnetic bias current; and D: calculating a support degree and a confidence coefficient based on the calculated characteristic quantity of the feed current and the calculated characteristic quantity of the DC magnetic bias current, and generating a correlation rule.

Abstract: The present invention is directed to hemostatic compositions comprising at least partially integrated agglomerated ORC fibers, fibrinogen, and thrombin and methods of forming a powdered hemostatic composition, comprising the steps of: forming a suspension of a mixture comprising particles of fibrinogen, thrombin, ORC fibers in a non-aqueous low boiling solvent, agitating and shearing said suspension in a high shear mixing reactor, adding water to allow particles to agglomerate, allowing the non-aqueous solvent to evaporate, drying and sieving the composition; and thus forming the powdered hemostatic composition.

Abstract: A borate compound serving as a proteasome inhibitor, a preparation method for the borate compound and uses thereof.

Abstract: A computer system includes a course repository and a server. The course repository includes a video of an online course, an instructor provided output for a programming assignment associated with the online course, and a submission script for generating student provided output for the programming assignment. The server includes a submission module that receives and verifies the student provided output for the programming assignment. The server further includes one or more built-in grader applications that compare the student provided output with the instructor provided output to determine a grade for the programming assignment.

Abstract: Disclosed are sensors and methods using electrochemiluminescence (ECL) of metal nanoclusters. The ECL sensors containing metal nanoclusters disclosed herein have high signal output and high signal/noise ratio. Highly effective sensing methods using these ECL sensors that is rapid, simple, and allows for sensitive and specific detection of analytes of interest at a low cost are also disclosed.

Abstract: A control device for a software programmable network including one or more nodes and supporting traffic of guaranteed quality of service, QoS, and best-effort, BE, traffic with a predetermined resource distribution between guaranteed QoS and BE service classes, comprises: a processing circuitry configured to determine a new resource distribution between guaranteed QoS and BE service classes different from the predetermined resource distribution according to a demand for QoS service, to calculate, for each node, a new configuration indicating the new resource distribution, and to calculate, for each entry node to the network among the one or more nodes, a label distribution sequence indicating one or more label distributions with associated activation timing information so as to reduce jitter or packet loss; and a transceiver configured to transmit the new configurations to respective nodes, and to transmit the label distribution sequences to respective entry nodes.

Abstract: A particle or pollen sensor comprises an array of relative humidity sensors. A change in relative humidity is representative of a particle or pollen in contact with one or more of the sensors. A size and/or shape of a particle or pollen in contact with one or more of the sensors is optionally also determined based on the number and/or configuration of sensors. From this information, a particle or pollen type is determined.

Abstract: The present invention provide a method of constructing a ligand-receptor protein complex to determine the binding activity of different PBDEs derivatives to an enoyl-ACP reductase. The method comprises providing a ligand-receptor binding complex, molecular docking and performing molecular dynamic simulation. The present invention is able to determine the binding activity of PBDEs derivatives to the enoyl-ACP reductase comparable to the results obtained in vitro.

Abstract: The present invention is directed to hemostatic compositions comprising at least partially integrated agglomerated ORC fibers, fibrinogen, and thrombin and methods of forming a powdered hemostatic composition, comprising the steps of: forming a suspension of a mixture comprising particles of fibrinogen, thrombin, ORC fibers in a non-aqueous low boiling solvent, agitating and shearing said suspension in a high shear mixing reactor, adding water to allow particles to agglomerate, allowing the non-aqueous solvent to evaporate, drying and sieving the composition; and thus forming the powdered hemostatic composition.

Abstract: An air purifier includes an air inlet and an air outlet. The air purifier further includes a first sensor for determining a water molecule adsorption level of a filter for removing gas pollutants or particles from air propagating from the air inlet to the air outlet. The air purifier furthermore includes a processor that determines a life-time of the filter based on the water molecule adsorption level of the filter measured by the first sensor. Additionally, a method for determining a life-time of a filter for removing gas pollutants or particles from air is described.

Abstract: The present invention is directed to hemostatic compositions comprising at least partially integrated agglomerated ORC fibers, fibrinogen, and thrombin and methods of forming a powdered hemostatic composition, comprising the steps of: forming a suspension of a mixture comprising particles of fibrinogen, thrombin, ORC fibers in a non-aqueous low boiling solvent; spraying the suspension through a nozzle onto a substrate, allowing the non-aqueous solvent to evaporate; separating from the substrate and sieving the composition.

Abstract: A particle sensing apparatus is provided for determining particle concentration in a fluid, e.g. air. The apparatus is based on fluid-flow passageway having an upstream inlet to receive the fluid and a downstream outlet to exhaust the fluid. It also includes a recirculation passageway in fluid communication with the fluid-flow passageway. Between them, the fluid-flow passageway and the recirculation passageway define a recirculation loop. A first particle sensor is located in the recirculation loop, and other sensors may also be present at other options. A force applicator is included in the fluid-flow passageway to apply a force to the particles entrained in the fluid. The force is used to direct some or all of the particles into the recirculation loop. This provides a choice between increasing the detection limit or the detection range. A processor determines the concentration of particles in the fluid based on the concentration of particles detected at the first particle sensor.