Abstract: Methods, systems, and computer-readable storage media for receiving a set of crash reports, determining a set of trace vectors by processing a set of stack traces through a first DL model, each trace vector in the set of trace vectors being a multi-dimensional vector representation of a stack trace of a respective crash report provided from the set of stack traces, generating a set of feature vectors by processing the set of trace vectors through a second DL model, each feature vector being a multi-dimensional vector representation of a stack trace of a respective crash report, and clustering each crash report in the set of crash reports into a group of a set of groups based on comparing feature vectors of respective crash reports, each group representative of a root cause resulting in respective crashes of the software system represented in one or more crash reports.

Abstract: A signal processing apparatus includes a power amplifier and a power supply modulator. The signal processing apparatus obtains a first non-linear coefficient, where the first non-linear coefficient indicates a non-linear characteristic of the power amplifier and a non-linear characteristic of the power supply modulator. The signal processing apparatus performs non-linear preprocessing and correction on a first baseband signal based on the first non-linear coefficient, to obtain a first intermediate signal and a second intermediate signal. The signal processing apparatus performs digital-to-analog conversion on the first intermediate signal and then performs up-conversion processing, to obtain a third intermediate signal. The signal processing apparatus performs envelope processing on the second intermediate signal, to obtain a first envelope signal. The signal processing apparatus modulates the first envelope signal by using the power supply modulator, to obtain a first control voltage signal.

Abstract: The invention relates to the technical field of oil and gas field development, in particular to a staged multi-cluster fracturing sliding sleeve system and method based on smart key label. The system includes at least one multi-cluster sliding correspondingly placed in each fracturing stage, an end sliding sleeve, and a smart key label. The method includes: step S1, performing fracturing stage by stage from a first stage to a last stage, placing the smart key label through a wellhead and pumping the smart key label to the target fracturing stage; step S2, opening the multi-cluster sliding sleeves of the current fracturing stage one by one through the smart key label, and finally blocking the smart key label in the end sliding sleeve when the multi-cluster sliding sleeve and the end sliding sleeve of the current fracturing stage are opened; and step S3, repeating the steps S1 and S2 until the fracturing operations of all the stages are completed.

Abstract: A device for on-site detection of soil organic matter, including a pre-processing module, a centrifugal system, a microfluidic chip, and a photoelectric detection module. The pre-processing module is configured to process a soil sample into a soil solution. The centrifugal system is configured to generate a centrifugal force. The microfluidic chip is configured to allow mixing of the soil solution and an extraction solvent for extraction under the centrifugal force to obtain an extract. The photoelectric detection module is configured to detect the extract to determine organic matter content in the soil solution. An on-site detection method and a microfluidic chip are also provided. The microfluidic chip includes a channel layer, a cover layer arranged above the channel layer, and a base plate layer arranged below the channel layer.

Abstract: A device for detecting soil nutrients on site, including an extracting grid, an on-site real-time detection assembly and a transfer assembly for transferring a soil extract from the extracting grid to the on-site real-time detection assembly. A soil nutrient detection method using the device and a microfluidic chip are also provided. The microfluidic chip includes a cover plate and a base plate. The base plate includes a soil extract feeding groove, a quantitative feeding groove, a reagent storage groove, and a serpentine groove.

Abstract: A method includes a first provider edge (PE) device sending, to a second PE device, a media access control (MAC) route learned from a customer edge (CE) device and a virtual local area network (VLAN) identifier, wherein the second PE device generates a MAC forwarding entry based on the MAC route and the VLAN identifier, where the MAC forwarding entry is used to directly forward, using the CE device, a packet whose destination MAC address is the CE device or a MAC address of a terminal device accessing the CE device. An outbound interface identifier included in the MAC forwarding entry is an identifier of an interface connected to the CE device.

Abstract: A method includes a second provider edge (PE) device sending, to a first PE device, a media access control (MAC) route learned from a customer edge (CE) device, wherein the first PE device generates a MAC forwarding entry based on the MAC route, wherein the first PE device may forward, based on the MAC forwarding entry using the CE device, a packet whose destination MAC address is the CE device or a MAC address of a terminal device accessing the CE device, and wherein an outbound interface identifier included in the MAC forwarding entry is an identifier of an interface connected to the CE device.

Abstract: A network device receives a first uplink signal from a terminal device; the network device calculates a conjugate phase corresponding to the first uplink signal, and determines, based on the conjugate phase, a narrow beam whose direction of arrival is opposite to a direction of arrival of the first uplink signal as a target transmit beam aligned between the network device and the terminal device; and the network device communicates with the terminal device by using the target transmit beam.

Abstract: A method includes a first provider edge (PE) device sending, to a second PE device, a media access control (MAC) route learned from a customer edge (CE) device and a virtual local area network (VLAN) identifier, wherein the second PE device generates a MAC forwarding entry based on the MAC route and the VLAN identifier, where the MAC forwarding entry is used to directly forward, using the CE device, a packet whose destination MAC address is the CE device or a MAC address of a terminal device accessing the CE device. An outbound interface identifier included in the MAC forwarding entry is an identifier of an interface connected to the CE device.

Abstract: A prediction method, an electronic device and a storage medium are provided. The method includes that: substance features of a substance to be tested are determined according to a molecular structure of the substance to be tested; feature extraction is performed on a diseased cell of a target category to obtain at least one cell feature of the diseased cell; and a response result of the substance to be tested against the diseased cell is predicted according to the substance features and the at least one cell feature.

Abstract: A method includes a second provider edge (PE) device sending, to a first PE device, a media access control (MAC) route learned from a customer edge (CE) device, wherein the first PE device generates a MAC forwarding entry based on the MAC route, wherein the first PE device may forward, based on the MAC forwarding entry using the CE device, a packet whose destination MAC address is the CE device or a MAC address of a terminal device accessing the CE device, and wherein an outbound interface identifier included in the MAC forwarding entry is an identifier of an interface connected to the CE device.

Abstract: A method includes a first provider edge (PE) device sending, to a second PE device, a media access control (MAC) route learned from a customer edge (CE) device and a virtual local area network (VLAN) identifier, wherein the second PE device generates a MAC forwarding entry based on the MAC route and the VLAN identifier, where the MAC forwarding entry is used to directly forward, using the CE device, a packet whose destination MAC address is the CE device or a MAC address of a terminal device accessing the CE device. An outbound interface identifier included in the MAC forwarding entry is an identifier of an interface connected to the CE device.

Abstract: A method includes a second provider edge (PE) device sending, to a first PE device, a media access control (MAC) route learned from a customer edge (CE) device, wherein the first PE device generates a MAC forwarding entry based on the MAC route, wherein the first PE device may forward, based on the MAC forwarding entry using the CE device, a packet whose destination MAC address is the CE device or a MAC address of a terminal device accessing the CE device, and wherein an outbound interface identifier included in the MAC forwarding entry is an identifier of an interface connected to the CE device.

Abstract: A route processing method, implemented by a first device, includes: receiving a first route sent by a second network device, where the first route includes a first identifier; allocating, based on the first identifier, a second identifier corresponding to the first route; and sending a second route to a third network device based on the first route, where the second route includes the second identifier. The second network device is located in a first network domain, and the third network device is located in a second network domain.

Abstract: A gate driving circuit for a charge pump with slowed rates of current change for reduced EMI emissions includes at least one gate driving sub-circuit. Each gate driving sub-circuit includes a first current mirror, a first PMOS transistor, a first NMOS transistor, and a second current mirror. Gates of the first PMOS transistor and the first NMOS transistor receive a clock signal. Drains of the first PMOS transistor and the first NMOS transistor output a driving signal. When the first PMOS transistor is turned on, the first current mirror provides a charging current. When the first NMOS transistor is turned on, the second current mirror provides a discharge current.

Abstract: A gate driving circuit for a charge pump with slowed rates of current change for reduced EMI emissions includes at least one gate driving sub-circuit. Each gate driving sub-circuit includes a first current mirror, a first PMOS transistor, a first NMOS transistor, and a second current mirror. Gates of the first PMOS transistor and the first NMOS transistor receive a clock signal. Drains of the first PMOS transistor and the first NMOS transistor output a driving signal. When the first PMOS transistor is turned on, the first current mirror provides a charging current. When the first NMOS transistor is turned on, the second current mirror provides a discharge current.

Abstract: A method includes a first provider edge (PE) device sending, to a second PE device, a media access control (MAC) route learned from a customer edge (CE) device and a virtual local area network (VLAN) identifier, wherein the second PE device generates a MAC forwarding entry based on the MAC route and the VLAN identifier, where the MAC forwarding entry is used to directly forward, using the CE device, a packet whose destination MAC address is the CE device or a MAC address of a terminal device accessing the CE device. An outbound interface identifier included in the MAC forwarding entry is an identifier of an interface connected to the CE device.

Abstract: The method includes the following steps: The second PE device sends, to the first PE device, a MAC route learned from the CE device. The first PE device generates a MAC forwarding entry based on the MAC route. The first PE device may forward, based on the MAC forwarding entry by using the CE device, a packet whose destination MAC address is the CE device or a MAC address of a terminal device accessing the CE device. An outbound interface identifier included in the MAC forwarding entry is an identifier of an interface connected to the CE device. According to the method in this application, load can be effectively shared between the second PE device and the first PE device, and system bandwidth resources can be properly used.