Abstract: A time division duplexed (TDD) frequency modulation continuous wave (FMCW) radar system includes P transmitter circuit chains and M receiver circuit chains. The P transmitter circuit chains are used to transmit a plurality of FMCW signals. A pth transmitter circuit chain is coupled to a single pole Op throw (SPQPT) radio frequency (RF) switch, the SPOT RF switch is coupled to Op antennas, Qp and P are positive integers, and p is a positive integer not larger than P. The M receiver circuit chains are used to receive a plurality of reflected FMCW signals. An mth receiver circuit chain is coupled to a single pole Nm throw (SPNmT) radio frequency (RF) switch, the SPNmT RF switch is coupled to Nm antennas, Nm and M are positive integers, and m is a positive integer not larger than M.

Abstract: The present invention disclosures a critical dimension error analysis method, comprising: S01: performing lithography processes on a wafer, measuring the critical dimension (CD) values of the test points in each of the fields respectively; M and N are integers greater than 1; S02: removing extreme outliers from the critical dimension (CD) values; S03: rebuilding remaining CD values by a reconstruction model fitting method, and obtaining rebuilt critical dimension (CD?) values, according to relative error between CD? and CD, dividing the rebuilt critical dimension (CD?) values into scenes and the number of the scenes is A; S04: calculating components and corresponding residuals of the test points in each of the scenes under a reference system corresponding to a correction model by parameter estimation; S05: modifying machine parameters and masks by the correction model according to above calculation results.

Abstract: In a system and a method of controlling an intake rate of a vehicle blower, the system of controlling an intake rate of a vehicle blower includes: a blower step number detection device configured to detect a current step number of a blower; a vehicle velocity detection device configured to detect a current vehicle velocity of a vehicle; a passenger seat seating detection device configured to detect whether a passenger is seated on a passenger seat; and an HVAC control device electrically connected to each of the blower step number detection device, the vehicle velocity detection device, and the passenger seat seating detection device, and configured to receive information from the passenger seat seating detection device, the vehicle velocity detection device, and the blower step number detection device, and to determine whether an intake rate control of the blower is turned on or off according to the current step number of the blower, the current vehicle velocity, and the passenger seat seating information wh

Abstract: The present disclosure provides a 3D memory structure such as 3D Flash memory structure applying for 3D AND flash memory and a method of forming the same. An etching stop layer is formed on a substrate including active elements. A stacked layer is formed on the etching stop layer. The stacked layer includes insulation layers and sacrificed layers stacked alternatively on the etching stop layer. A patterning process is performed on the stacked layer to form a first stacked structure above the active elements, a second stacked structure surrounding the first stacked structure, and a trench pattern separating the first stacked structure and the second stacked structure and exposing the etching stop layer. The trench pattern includes asymmetric inner sidewalls and outer sidewalls. The inner sidewalls define sidewalls of the first stacked structure. The outer sidewalls define sidewalls of the second stacked structure that face the first stacked structure.

Abstract: A metal interconnect structure includes a first metal interconnection in an inter-metal dielectric (IMD) layer on a substrate, a second metal interconnection on the first metal interconnection, and a cap layer between the first metal interconnection and the second metal interconnection. Preferably, a top surface of the first metal interconnection is even with a top surface of the IMD layer and the cap layer is made of conductive material.

Abstract: Methods and apparatuses for automatic ingestion of data using a rate-limited application programming interface (API) include a computing device that creates structured query objects, each comprising instructions for retrieving data from a repository using the rate-limited API. The computing device requests data from the repository via the rate-limited API using the structured query objects and a plurality of API access tokens, including a) generating data requests, each comprising a structured query object; b) determining a transmission delay for each API access token based upon a current rate limit imposed by the rate-limited API; c) transmitting each data request to the repository via the rate-limited API using an API access token that has a transmission delay below a threshold value; and d) processing data received from the repository in response to each data request. The computing device repeats steps b) through d) until data responsive to each data request is received.

Abstract: A metal interconnect structure includes a first metal interconnection in an inter-metal dielectric (IMD) layer on a substrate, a second metal interconnection on the first metal interconnection, and a cap layer between the first metal interconnection and the second metal interconnection. Preferably, a top surface of the first metal interconnection is even with a top surface of the IMD layer and the cap layer is made of conductive material.

Abstract: Disclosed are a video processing method and apparatus, an electronic device, and a storage medium. The video processing method comprises: displaying a first editing page of a first target video, and obtaining first editing information of performing, in the first editing page, a first editing operation on the first target video by a user, the first target video being stored in the cloud; receiving a first trigger operation acting on a switching control in the first editing page; in response to the first trigger operation, displaying a release page; receiving a second trigger operation acting on a release control in the release page; and in response to the second trigger operation, sending the first editing information to the cloud, so as to synthesize, in the cloud according to the first editing information, the first target video into a second target video and release same.

Abstract: A wearable cable-driven robotic arm system includes a wearing mechanism, two robotic arms located on two sides of the wearing mechanism, cable driving devices, a load trolley, and a motor controller, where the cable driving devices are divided into driving portions and driven portions, heavy objects, such as electric motors, of the driving portions are arranged in the load trolley, thereby reducing loads born by the wearable robotic arms, the load trolley can travel with a person by means of sleeves or can be controlled by the motor controller to move by means of signals measured by following modules, the driven portions are combined with the robotic arms, and are double-cable driven, thereby reducing weight of the robotic arms, and a brain-computer interface module is used for controlling the driving devices, thereby controlling the robotic arms more accurately.

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 video processing method, a video processing apparatus, an electronic device, and a storage medium. The method includes: displaying a first editing interface of a first target video, and acquiring first editing information of performing, in the first editing interface, a first editing operation on the first target video by a user, where the first target video is stored in cloud end; receiving a first triggering operation on a switching control in the first editing interface; displaying a posting interface in response to the first triggering operation; receiving a second triggering operation on a posting control in the posting interface; and sending the first editing information to the cloud end in response to the second triggering operation to synthesize the first target video into a second target video in the cloud end according to the first editing information and to post the second target video.

Abstract: A system includes a plurality of sensors configured to sense an opening/closing of a door, fastening/unfastening of a seat safety belt, and change in a vehicle height; a first processor configured to determine the number of all occupants in the vehicle by the opening/closing of the door, the fastening/unfastening of the seat safety belt, and the change in the vehicle height sensed by the plurality of sensors and preliminarily determine an internal circulation ratio of the air conditioning system according to the determined number of all occupants in the vehicle; a second processor configured to adjust the internal circulation ratio which is preliminarily determined by the first processor according to at least one of a sound intensity and a sound duration time in the vehicle; and a controller configured to control the air conditioning system according to the adjusted internal circulation ratio.

Abstract: Methods and apparatuses are described for enhancing chatbot recognition of user intent through graph analysis. A computing device classifies user messages associated with a chat session as either comprehensible user messages that are mapped to a user intent or incomprehensible utterances that are not mapped to a user intent. The computing device arranges the comprehensible messages into first clusters and arranges the incomprehensible messages into second clusters. The computing device generates a first sub-graph for each first cluster and generates a second sub-graph for each second cluster. The computing device calculates a graph kernel matrix using the sub-graphs and trains a classification model using the graph kernel matrix. The computing device executes the trained classification model using the graph kernel matrix as input to generate a predicted intent identifier for the incomprehensible messages.

Abstract: Provided are a video processing method, a video processing apparatus, an electronic device, and a storage medium. The method includes: displaying a first editing interface of a first target video, and acquiring first editing information of performing, in the first editing interface, a first editing operation on the first target video by a user, where the first target video is stored in cloud end; receiving a first triggering operation acting on a switching control in the first editing interface; displaying a posting interface in response to the first triggering operation; receiving a second triggering operation acting on a posting control in the posting interface; and sending the first editing information to the cloud end in response to the second triggering operation to synthesize the first target video into a second target video in the cloud end according to the first editing information and to post the second target video.

Abstract: The present disclosure provides methods of forming semiconductor devices. A method according to the present disclosure includes receiving a workpiece that includes a stack of semiconductor layers, depositing a first pad oxide layer on a germanium-containing top layer of the stack, depositing a second pad oxide layer on the first pad oxide layer, depositing a pad nitride layer on the second pad oxide layer, and patterning the stack using the first pad oxide layer, the second pad oxide layer, and the pad nitride layer as a hard mask layer. The depositing of the first pad oxide layer includes a first oxygen plasma power and the depositing of the second pad oxide layer includes a second oxygen plasma power greater than the first oxygen plasma power.

Abstract: An operating mechanism of a circuit breaker that includes a bracket, a rocker arm assembly, a jump buckle, a latch, a re-buckle, a first crank, a first spring and a first connecting rod, the jump buckle is in latching fit with the latch, and the re-buckle is in limiting fit with the latch; one end of the first crank is pivotally disposed on the jump buckle around a first axis, and the other end of the first crank is rotatably connected to one end of the first connecting rod around a second axis; the rocker arm assembly is driving fit with the first crank through the first spring; and slide rails disposed on the bracket and a slider slidably disposed on the slide rails, rotatably connected to the other end of the first connecting rod, and in driving fit with a moving contact mechanism of the circuit breaker.

Abstract: An operating mechanism of a circuit breaker, relating to the field of low-voltage electric appliances. The operating mechanism is provided with a double-slider mechanism, a first slider mechanism comprising a first crank, a first connecting rod, a sliding rail and a slider, and a second slider mechanism comprising a contact support, a second connecting rod, a sliding rail and a slider. The double-slider mechanism reduces the space requirement of the operating mechanism while increasing the opening distance of a moving contact, and the breaking performance is good. A circuit breaker comprising the operating mechanism, which provides good breaking performance.

Abstract: A quick tripping device with a moving contact mechanism that includes a contact support and a moving contact. An operating mechanism is in driving connection with the moving contact mechanism, so that the moving contact and a static contact are switched on or off. A first push rod is pivotally disposed on the contact support with one end in driving fit with the moving contact, a driving gap is formed between the one end and the moving contact, and a first push rod driving end of the first push rod is in driving fit with the operating mechanism to trip the operating mechanism. When the moving contact is repelled, the moving contact rotates relative to the contact support through the driving gap, and then contacts with the first push rod driven end and drives the first push rod to rotate, so that the operating mechanism is tripped.

Abstract: The present disclosure provides a 3D memory structure such as 3D Flash memory structure applying for 3D AND flash memory and a method of forming the same. An etching stop layer is formed on a substrate including active elements. A stacked layer is formed on the etching stop layer. The stacked layer includes insulation layers and sacrificed layers stacked alternatively on the etching stop layer. A patterning process is performed on the stacked layer to form a first stacked structure above the active elements, a second stacked structure surrounding the first stacked structure, and a trench pattern separating the first stacked structure and the second stacked structure and exposing the etching stop layer. The trench pattern includes asymmetric inner sidewalls and outer sidewalls. The inner sidewalls define sidewalls of the first stacked structure. The outer sidewalls define sidewalls of the second stacked structure that face the first stacked structure.

Abstract: An operating mechanism of a circuit breaker, wherein two ends of a first spring are rotationally connected to a rocker arm assembly and a first crank through a first spring shaft and a second spring shaft respectively, and one end of a jump buckle is rotationally connected to a bracket and is a jump buckle pivoting end; a jump buckle hole of the jump buckle is aligned with a bracket hole of the bracket; the first spring shaft is in limiting fit with the jump buckle; and one end of the first crank swings in a direction away from the jump buckle pivoting end, such that a spacing between the first spring shaft and the second spring shaft is smaller than or equal to the length of the first spring, and a first assembly state is formed.