35results about How to "Guarantee the accuracy of judgment" patented technology

The invention discloses a route setup and link detection method for a wireless Ad hoc network, which comprises the following steps: each node regularly broadcasts a Hello message, and nodes which receive the Hello message all maintain a neighboring node list and records the connection state between the current node and the neighboring nodes including a communication state and a interruption state; received signal quality parameters of the neighboring nodes are acquired and the connection state of the corresponding neighboring node is adjusted in accordance with the signal quality parameters;when a certain node receives a routing request, the routing request is forwarded or discarded according to the connection state of the neighboring node list; the packet loss ratio of a routing link is detected; and the current routing link is judged to be interrupted if the packet loss ratio exceeds a reference threshold, and the connection state of the neighboring node list of the corresponding node is changed to be off state in the routing link. The invention can effectively improve the failure detection of route link, the timeliness and effectiveness of updating.

The invention relates to the technical field of intelligent door lock control, and discloses a state calibration method and device of an electronic door, the electronic door and a readable storage medium. The method comprises the steps that when it is detected that an electronic door moves, the current detection angle of the electronic door is obtained; based on the current detection angle and thecalibration angle corresponding to the closing state of the electronic door, the angle change value of the electronic door and the change direction of the angle change value are determined, and the change direction of the angle change value comprises the increasing direction and the decreasing direction; and the state of the electronic door is determined according to the angle change value and the change direction of the angle change value. Through the implementation of the invention, the state judgment accuracy of the electronic door is improved.

The invention discloses a method for judging the risk of a moraine embankment glacier lake burst without an ice core, which is characterized in that it comprises the following steps: a. judging the moraine lake without an ice core in the moraine embankment; b. determining through Google Earth The basic parameters of moraine lakes without ice cores; c. Calculation of the risk comprehensive discriminant factor G of moraine lakes without ice cores; d. By satisfying the basic conditions: α>8°, R>0.1 and V>0.75, and combining The hazard comprehensive discriminant factor G of non-ice-cored moraine lakes divides the hazard levels of non-ice-cored moraine lakes; the greater the value of G, the greater the risk; conversely, the smaller the value of G, the smaller the risk. The present invention conducts internal mechanism research on the occurrence process of glacial lake outbursts by analyzing various influencing factors, establishes a calculation model for the outburst risk of non-ice-cored moraine lakes, and accurately divides the risk level of non-ice-cored moraine lake outbursts in a quantitative manner to ensure The accuracy of judgment is improved, which in turn helps to improve the control effect.

The present application provides a method for filtering and detecting a receipt state and a receipt printing device. The method for filtering and detecting a receipt state includes the following steps: continuously sensing the receipt, and outputting data "1" at the moment when the receipt is sensed; Output data "0" at the moment when the receipt is sensed; store the data in a fixed-length window in turn according to the time relationship; perform summation processing on the data falling in the window; compare the value obtained from the summation processing with the set threshold Comparison, if the value obtained by the summation processing is less than the set threshold, it is judged that there is no receipt, otherwise it is judged that there is a receipt; the filter detection method of the receipt state of the present application first digitizes the initial sensing data, and then stores the data in the The summation is performed in a fixed-length window, and the receipt status is judged again, which can not only ensure the judgment accuracy of the receipt status, filter the sliding window, but also reduce the delay time and improve the response time of the output result.

The invention relates to a whole-bag type grain radioactivity detection device, which at least includes a second detection mechanism located upstream of the first detection mechanism and having an accommodating chamber capable of accommodating at least two bags of grain. The full-bag type grain radioactivity detection device is configured To perform radioactivity detection in the following manner: when the conveying mechanism rotates such that a first bag of grain enters the holding chamber and a second bag of grain in the holding chamber exits the holding chamber, determine the holding chamber The change trend of the total amount of radiant energy; when the total amount of radiant energy shows an increasing trend, the conveying mechanism is configured to rotate at the first rotation speed, so that the first detection mechanism can continue to Data collection is performed on the first bag of grains entering the storage chamber in a manner of setting a time, and the data analysis mechanism performs radioactivity detection on the first bag of grains in a manner of performing a first operation.

The invention provides a method for distinguishing a hanging wall and a footwall of a fault in an oilfield development zone. The method comprises a step of obtaining drilling well hierarchical data, a step of creating a hanging wall data file and a footwall data file based on the drilling well hierarchical data in the condition that the fault is a reverse fault, wherein the hanging wall data file comprises hierarchical data of only drilling a formation for one time and hierarchical data with a smaller depth in the hierarchical data of drilling the formation for two times, and the footwall data file comprises hierarchical data of only drilling a formation for one time and hierarchical data with a larger depth in the hierarchical data of drilling the formation for two times, a step of projecting the hierarchical data in the hanging wall data file into a seismic data interpretation system, and identifying the fault position corresponding to the hanging wall of the fault, a step of projecting the hierarchical data in the footwall data file into the seismic data interpretation system, and identifying the fault position corresponding to the footwall of the fault, and a step of distinguishing the hanging wall and footwall of the fault of a no-well zone according to the seismic reflection characteristic of a breakpoint identified in a well area.

The embodiment of the present application discloses a control method, a device, a storage medium and a mobile terminal of a proximity sensor. The method includes: acquiring the attitude information ofthe mobile terminal, determining the corresponding target threshold value of the proximity sensor according to the attitude information acquired, and controlling the proximity sensor to determine theapproaching state or the departing state based on the target threshold value. By adopting the above mentioned technical scheme, the embodiment of the present application can be adapted to determine the threshold value of the proximity sensor for judging the approaching state or the departing state according to the attitude information of the mobile terminal, so that the threshold value can be setreasonably and the judgment accuracy of the proximity sensor can be guaranteed.

The invention relates to the technical field of vehicle pedestrian protection, and discloses a pedestrian protection active pop-up system and a vehicle. The pedestrian protection active pop-up systemcomprises an anti-collision beam, an engine compartment cover and a pop-up device. The pop-up device comprises a pressure sensor, a lifter, a supporter and a controller. The anti-collision beam is arranged on a front bumper of the vehicle, the pressure sensor is arranged in the anti-collision beam, the lifter is disposed below the engine compartment cover and used for lifting the engine compartment cover, the supporter is connected with a vehicle body and used for the supporting and returning of the lifted engine compartment cover, and the controller is used for receiving a pressure signal value of the pressure sensor and controlling the lifting of the lifter according to the pressure signal value. In the pedestrian protection active pop-up system, when a pedestrian collides with the vehicle, the engine compartment cover bounces, which increases a safe energy absorption space above the engine compartment cover, reduces the damage value of the head impacting the compartment cover and reduces the damage caused by the collision between the vehicle and the head of the pedestrian; and at the same time, the jacked engine compartment cover can return quickly, to avoid blocking a driver'sfront line of sight.

The invention discloses an over-voltage and under-voltage protection device for a single-phase source system. The over-voltage and under-voltage protection device for the single-phase source system comprises a direct-current power unit, a rectifying unit, a sampling unit, an over-voltage judgment delay unit, an under-voltage judgment delay unit and a breaker triggering unit. The over-voltage judgment delay unit is a first voltage detection chip with delay. The under-voltage judgment delay unit comprises a voltage detection chip without delay, an RC charging circuit with a controllable switch and a second voltage detection chip with delay. According to the over-voltage and under-voltage protection device for the single-phase source system, the three voltage detection chips are used for achieving over-voltage and under-voltage judgment delay, and therefore the cost of the over-voltage and under-voltage protection device can be saved.

The invention discloses a method and device for generating a video interpolation frame, relating to video processing. The method comprises the following steps: detecting whether the brightness of the current frame is changed abruptly relative to the previous frame by calculating the difference of the average brightness value of the current frame and the average brightness value of the previous frame image; if so, selecting to copy the current frame or the previous frame as an interpolation output frame, otherwise, searching the motion vector of the interpolation frame corresponding to each subblock through bilateral movement of block matching; and then filtering the motion vector, and generating a movement compensation interpolation frame serving as the interpolation output frame according to the motion vector. According to the invention, large arithmetic amount caused by a great deal of errors during the movement searching of the two adjacent frames with relatively larger brightness difference is avoided, and a false searching result is avoided, therefore, the video with suddenly changed brightness can be effectively processed.