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 discloses a risk judgment method for an outburst of an ice core-free moraine dam ice lake. The method is characterized by comprising the following steps of a, judging an ice core-free moraine lake in a moraine dam; b, determining a basic parameter of the ice core-free moraine lake through Google Earth; c, calculating a risk comprehensive discrimination factor G of the ice core-free moraine lake; and d, grading a risk level of the ice core-free moraine lake by satisfying the basic conditions that alpha is greater than 8 degrees, R is greater than 0.1 and V is greater than 0.75 incombination with the risk comprehensive discrimination factor G of the ice core-free moraine lake, the greater G value, the higher the risk is, and otherwise, the smaller G value, the lower the risk is. According to the risk judgment method for the outburst of an ice core-free moraine dam ice lake, an internal mechanism study is performed by analysis of each influence factor for an ice lake outburst generation process, an ice core-free moraine lake outburst risk calculation model is established, the risk level of the outburst of the ice core-free moraine lake is precisely graded in a quantitative manner, the judgment accuracy is guaranteed and the control effect is beneficially improved.

The invention relates to the field of communication and discloses a positioning method and a device of the positioning method. The method comprises the following steps that signals from all satellites are captured to obtain capturing signals; the capturing signals are tracked to obtain tracking signals; signal quality parameters of all the tracking signals are calculated, and the tracking signals with the signal quality parameters meeting the quality judgment condition in all the tracking signals are determined as high quality signals, wherein the signal quality parameters at least comprise a Doppler error and / or a carrier-to-noise ratio; at least four high quality signals are selected to carry out PVT calculation to obtain positioning information and timing information. Signal quality judgment is carried out on all tracked satellites, the high quality signals are selected from the signals to carry out a subsequent resolving procedure, the quality of the signals involved in resolving is improved, and the positioning accuracy of the positioning method and the device in an implementation mode is improved.

The invention discloses a parking space occupancy judgment method and device. The method includes: acquiring, by detection equipment, a geomagnetic value output by a geomagnetic sensor corresponding to a parking space, wherein the detection equipment comprises an ultrasonic sensor; if the geomagnetism value is less than or equal to a first geomagnetic threshold, obtaining, by the detection equipment, an ultrasonic value output by the ultrasonic sensor, wherein the first geomagnetic threshold is an upper limit value of a first preset interval; if the ultrasonic value is in a second preset interval, or the geomagnetic value is greater than or equal to a second geomagnetic threshold and less than or equal to the first geomagnetic threshold and the ultrasonic value is less than a lower limit value of the second preset interval, obtaining a first weight value and a second weight value corresponding to the geomagnetic value and a third weight value and a fourth weight value corresponding tothe ultrasonic value, and determining, by the detection device according to the first weight value, the second weight value, the third weight value and the fourth weight value, whether the parking space is occupied.

The invention discloses a method for detecting a routing link in a wireless Ad hoc network, which comprises the steps of detecting packet loss ratio of a routing link, judging that the current routing link is interrupted if the packet loss ratio exceeds a reference threshold, performing failure marking of the interrupted link, and immediately starting a route setup process. The method detects the failure of the link by using the packet loss ratio of a unicast data service packet in a certain period of time, so as to improve the timeliness and the effectiveness of routing link failure detection.

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 a human health state detection system based on the internet of things and SVM analysis. Human body feature data are obtained through implanted or wearable sensors or other sensor equipment. The health condition of the human body is judged through an SVM analyzer based on data excavation and other technologies. Data collection, data modeling, SVM analysis and feedback interaction are included. The system is mainly used for monitoring the human body health condition based on the internet of things and SVM analysis according to the background of rapid development of the life and health industry, and can relieve the shortage of medical resources and promote rapid development of the heath industry.

The invention discloses a video decoding error compensation method and device, a storage medium and a terminal. The video decoding error compensation method comprises the steps that for each lost macro block of a lost area in a current frame, determining an adjacent macro block of the lost macro block and a reference macro block located in a reference frame, wherein the position of the referencemacro block in the reference frame is the same as the position of the lost macro block in the current frame; determining candidate motion vectors of the reference macro block and the adjacent macro block; determining residual energy corresponding to each candidate motion vector according to the residual value of each pixel recorded in the decoding process, wherein the residual energy is the sum ofabsolute values of the residual values calculated according to the size of the lost macro block; and determining a compensation reference vector according to the magnitude of the residual energy corresponding to each candidate motion vector, and compensating the lost macro block by using the compensation reference macro block pointed by the compensation reference vector. Through the technical scheme of the invention, the convenience and accuracy of video decoding error compensation can be improved.

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 discloses an indoor human body pose detection method and device. The method comprises the following steps: distinguishing and judging various conditions obtained through a YOLO detection network model; when the M kinds of articles obtained through the YOLO detection network model have no area overlapping, judging according to the center coordinates of the human body and the center coordinates of the M kinds of articles; when certain areas of M articles obtained through the YOLO detection network model are overlapped, judging according to the Euclidean distance between the central coordinate of the human body and the central coordinate of the articles with the overlapped areas; and when the difference value of the Euclidean distance between the center coordinates of the human bodies and the center coordinates of the regional overlapped articles is within an error allowable range, judging the status according to a comfort coefficient. According to the embodiment of the invention, the accuracy of determining the human body pose of the user can be well ensured, so that actual requirements are met.

A hardware criterion circuit for single-phase grounding protection line selection comprises a current sampling module and a voltage sampling module, wherein the current sampling module is connected with a first filter circuit; the voltage sampling module is connected with a second filter circuit; the first filter circuit is connected with a differentiating circuit; the second filter circuit is connected with a phase-correcting circuit; the differentiating circuit is connected with a first amplifying circuit; the phase-correcting circuit is connected with a second amplifying circuit; the first amplifying circuit is connected with a current direction judging circuit; the second amplifying circuit is connected with a voltage direction judging circuit; the current direction judging circuit and the voltage direction judging circuit are connected with a power direction judging circuit; the criterion circuit formed by the various circuits is completely triggered by hardware, instantaneous transient power can be captured, and a transient power method is adopted, so that the criterion accuracy is improved; besides, by adopting the hardware, the transient direction can be judged, a single chip microcomputer enters the sleeping mode, the energy consumption demands are reduced, a transient signal can be provided, a multiple criterion manner is supported, the criterion is no longer unitary, and the single-phase grounding judgment accuracy is further fully ensured.

The invention relates to the technical field of anti-electricity-stealing analysis, and discloses a medium-voltage anti-electricity-stealing analysis method based on coding correlation, which comprises the following steps that: a master station acquires daily frozen electric quantity data of a line general meter and each line gateway meter; preprocessing the daily frozen electric quantity data; subtracting the sum of the table day frozen electric quantity data of each line gateway from the total table day frozen electric quantity data to obtain a line day line loss value; performing first-order difference operation on the daily freezing electric quantity of each line gateway and the daily line loss value of the line; coding according to a first-order difference operation result; obtaining a correlation coefficient between each line gateway table and a line daily line loss value according to a coding result; the line gateway meters with the correlation coefficients exceeding a certain threshold value are suspected electricity stealing meters. According to the method, electricity stealing prevention equipment does not need to be additionally arranged on the line, electricity stealing judgment can be achieved only by freezing the daily electricity data of the line general meter and the line gateway meters, on the basis that judgment accuracy is guaranteed, the workload is small, implementation is easy, and time, economic cost and labor cost are saved.

The invention relates to the technical field of cooking appliance control, and discloses a cooking control method, device, cooking utensil and readable storage medium. Wherein, the cooking control method includes: acquiring the liquid level of the cooking utensil; judging whether the liquid level exceeds a preset threshold; when the liquid level exceeds the preset threshold, acquiring a timing period; judging whether a cooking instruction is received within the timing period ; When the cooking instruction is not received within the timing period, an alarm will be issued. Through the implementation of the invention, the accuracy of the cooker's determination of cooking ingredients is ensured, thereby effectively solving the problem of non-operation or missed operation by the user when using the cooker.

The invention discloses a parking space occupancy judgment method and device. The method includes: acquiring, by detection equipment, a geomagnetic value output by a geomagnetic sensor corresponding to a parking space, wherein the detection equipment comprises an ultrasonic sensor; if the geomagnetism value is less than or equal to a first geomagnetic threshold, obtaining, by the detection equipment, an ultrasonic value output by the ultrasonic sensor, wherein the first geomagnetic threshold is an upper limit value of a first preset interval; if the ultrasonic value is in a second preset interval, or the geomagnetic value is greater than or equal to a second geomagnetic threshold and less than or equal to the first geomagnetic threshold and the ultrasonic value is less than a lower limit value of the second preset interval, obtaining a first weight value and a second weight value corresponding to the geomagnetic value and a third weight value and a fourth weight value corresponding tothe ultrasonic value, and determining, by the detection device according to the first weight value, the second weight value, the third weight value and the fourth weight value, whether the parking space is occupied.

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 relates to a steam generator dry burning judgment method and an anti-dry burning control method. The method comprises the steps that S1, a steam generator is started to work; S2, the working temperature T (n) of the steam generator is collected; S3, the T (n) is stored in an array; S4, differential processing is carried out on the working temperature, and dTc (n) is obtained; S5, dTc (n) is compared with Y, and Z is updated; S6, if Z is equal to X, the current working temperature T (n) is taken as the boiling temperature value of the steam generator, and if Z is less than X, the currently collected working temperature is updated Win; S7, the steps S4 to S6 are executed again; S8, if T (n) is larger than or equal to Tmax + M and dTc (n) is larger than or equal to dTcg, it is judged that the steam generator is subjected to dry burning, and if not, S7 is turned; and when dry burning is judged, water is supplied to the steam generator, and dry burning quitting judgment is carried out. According to the method, the stable boiling temperature value of the steam generator is determined, so that the dry burning judgment accuracy is improved.

The invention relates to a super capacitor connection fault detection method and system, and the method comprises the steps: S1, detecting whether a power supply is electrified, obtaining that the system enters a power-on working mode when a detection result is yes, and executing S2; S2, judging whether a power-down operation identifier state is 1 or not, if not, calculating the voltage V at the two ends of a supercapacitor within t seconds, and executing S3; and S3, judging whether the voltage V is greater than or equal to an upper limit Vmax of the voltage value when the supercapacitor is fully charged, if so, determining that the supercapacitor has a connection fault, and if not, determining that the connection of the supercapacitor is normal. The method and the system ensure the judgment accuracy, and are convenient and fast.

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 provides an entry slip state filtering detection method and entry slip printing equipment. The entry slip state filtering detection method comprises the following steps of: continuously sensing an entry slip, outputting data 1 when the entry slip is sensed, and outputting data 0 when the entry slip is not sensed; sequentially storing the data into windows with fixed lengths according to a moment relationship; summing the data falling in the windows; comparing the value obtained by the summation processing with a set threshold value; if the value obtained by the summation processing is smaller than the set threshold value, judging that no entry slip exists;and otherwise, judging that the entry slip exists. According to the entry slip state filtering detection method, the initial sensing data are digitally processed, then the data are stored in the windows with the fixed lengths for summation processing, and the entry slip state is judged again; and thus, the judgment accuracy of the entry slip state can be guaranteed, a sliding window is filtered, the delay time is shortened, and the response time of the output result is prolonged.

The invention discloses a method for judging abnormity of a balance winding of a large transformer, and belongs to the technical field of transformer abnormity diagnosis. The method comprises the following steps: applying symmetrical 380V alternating-current voltage to three phases of a high-voltage side of a normally operating transformer, measuring voltage at two ends of a balance winding, and taking the voltage as an initial value U0; when a fault needs to be judged, applying 380V alternating-current voltage to the high-voltage side of the transformer, and measuring the voltage U1 at the two ends of the opening of the balance winding; and comparing the measured voltage U1 with an initial test value U0 to judge whether the balance winding is abnormal or not. The test method is simple, the number of test instruments is small, manpower is greatly reduced, and abnormity of the balance winding of the large transformer can be rapidly and accurately judged.

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 embodiment of the invention discloses a method for judging the state of an infusion pipeline and related equipment, in the embodiment of the invention, the state of the infusion pipeline is detected according to the variable quantity of the pressure characteristic value at the current moment and the variable quantity threshold value of the first pressure characteristic value, the judging speed of the state of the infusion pipeline can be effectively improved, and compared with the prior art, the judging speed of the state of the infusion pipeline is improved. The infusion safety of a patient can be effectively guaranteed; and at least one of the pressure characteristic value variable quantity, the blocking duration time and the blocking fluid quantity in the blocking state is output outwards by determining the blocking duration time and the blocking fluid quantity of the blocking state, so that medical staff can know the state of the infusion pipeline in time conveniently, and the working efficiency of the medical staff is improved.

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.

The invention provides an air writing text input method and device, characters are written in the air by using a handheld writing rod, a writing process is acquired and displayed by using an embedded platform device with a display screen and a camera, and text input including three character types of numbers, symbols and English is realized through methods of target tracking, text recognition and the like. Contactless and convenient man-machine interaction is achieved. Comprising the steps of initializing an air writing text input system; holding the writing rod with a hand to enter the aerial area monitored by the camera and moving the writing rod into the tracking frame; tracking the writing stick by using a target tracking model, and determining the position of a current tracking frame; judging whether to switch the input character type or not; writing characters in the air by using a writing rod, and generating a character image; recognizing the character image by using a character recognition model to recognize characters; character display is added; judging whether to clear the added and displayed characters or not; clearing the added and displayed characters; and judging whether the input of all characters in the text is ended.

The invention discloses a carrier rocket launch and control signal measurement method, which realizes high-precision detection of uncharged launch and control signals of a carrier rocket in the test and launch process and flexible setting of effectiveness determination threshold of the uncharged launch and control signals, and meanwhile, can finish high-precision timing of valid and invalid statesof the launch and control signals, thereby ensuring accuracy of signal acquisition and accuracy of judgment, and providing the high-precision launch and control signals for the test and launch process of the carrier rocket.