63results about How to "Accurate reference" patented technology

The invention provides an automatic driving method and an automatic driving system. A corresponding relation among vehicle body parameters of the motor vehicle, a vehicle speed and an optimum turning angle of the motor vehicle are acquired firstly; a driving state of the motor vehicle is adjusted to be an ideal state when optimum maneuvering strategies are lane switching, overtaking and turning driving maneuvering operation; the speed of the motor vehicle and a distance of front and back wheel shafts are acquired; contrast between the speed of the motor vehicle and the corresponding relation is carried out to acquire an optimum turning angle of the motor vehicle; a turning radius of the motor vehicle is acquired according to the optimum turning angle of the motor vehicle and the distance of the front and back wheel shafts; and a lane switching path locus of the motor vehicle can be planned according to the optimum turning angle and the turning radius of the motor vehicle. Through the method and the system, the lane switching path locus of the motor vehicle under an automatic driving state can be planned according to the optimum maneuvering strategies, and most accurate reference basis is provided for automatic driving of the motor vehicle.

The invention provides a testing method of the thermal runaway characteristic of a battery. The testing method of the thermal runaway characteristic of the battery comprises the steps of selecting a simulant, placing the simulant inside a calorimeter, calibrating the calorimeter, obtaining calibrating data, taking out the simulant after calibrating is carried out, placing a battery sample to be tested into the calorimeter, and testing the thermal runaway characteristic of the battery sample to be tested by the utilization of the calibrating data.

The invention discloses application of a detection reagent for detecting methylation of genes related to colorectal cancer and a kit, and relates to the technical field of gene detection. The kit comprises the detection reagent used for detecting methylation of the genes related to colorectal cancer, conducts methylation detection on specific areas in the genes SDC2 and TFPI2, takes the methylation detection result of the areas as a basis for auxiliary colorectal cancer diagnosis, is higher in sensitivity and specificity and provides a more accurate and reliable reference basis for early screening, diagnosis and the like for colorectal cancer or colorectal adenoma.

The invention discloses an overhead-power-transmission-line sag online monitoring method based on a UWB ranging technology. The method includes the following steps: step1: selecting a position to install a UWB ranging device; step2. the UWB device performing ranging; step3. processing measured data and performing sag calculation. The method has the advantages of being high in measurement precision and great in reliability.

Belonging to the technical field of macromolecule orientation measurement, the invention in particular relates to a macromolecule intralayer shear orientation measurement method based on an interdigital electrode. The method includes the steps of: S1 clinging a pair of interdigital electrode probes to a to-be-measured material surface; S2 setting the interdigital electrode probing depth, and testing the capacitance signal values Cxlambda i and Cylambda I of the to-be-measured material at different depth positions; S3 constructuing a dielectric constant calculation parameter equation set respectively, and performing solution to obtain the dielectric constant values epsilon xlambda i and epsilon ylambda i in two directions of each thickness layer in the to-be-measured material; S4 calculating the orientation value delta epsilon lambda i=epsilon xlambda i-epsilon ylambda i of the to-be-measured material at each depth layer relative to a to-be-measured material coordinate system and the orientation direction theta lambda i shown as the specification, thus finishing macromolecule intralayer shear orientation measurement. The method provided by the invention has no need for slicing and sample making, avoids the interference of human factors on the final orientation measurement result during sample making, improves the measurement result accuracy, saves test time, reduces the test cost, and is particularly suitable for measurement of macromolecule intralayer shear orientation.

A method and apparatus for delineate a shopping area are disclosed. That method include delineating a point of interest representing a shop at most in an initial delineation area within a target area;calculating the density of the points of interest within the delineation range; Judging whether the density of the point of interest within the current delineation range is within the preset densityrange; when the density of the points of interest within the current delineation range is greater than the maximum value of the preset density range, the steps of enlarging the delineation area and delineating the maximum points of interest with the enlarged delineation area are repeated, and the density of the points of interest within the current delineation range is calculated until the densityof the points of interest within the delineation range is within the preset density range.

The invention discloses a load frequency determination method for a torsional impact fatigue test of an electric automobile differential, relating to the technical field of electric vehicles. The method comprises the steps of obtaining a dangerous cross section as a strain test point by analyzing the stress of a key part, converting an S-N curve into a torque-fatigue life curve through a relationbetween actually measured strain and torque, determining an amplitude range of a test load, testing and loading strain under loads with the same frequency and different amplitudes, and performing statistical analysis on strain data, wherein an analysis result shows that the strain is basically linearly changed along with the loading amplitude; and selecting m test amplitudes in the amplitude rangeof the test load, obtaining fatigue life values corresponding to the m test amplitudes according to the torque-fatigue life curve, and establishing an equation set to solve the loading frequency corresponding to each loading amplitude. According to the invention, the technical problem of how to objectively determine the test load plus carrier frequency for the torsional impact fatigue test of theelectric automobile differential is solved.

The invention relates to the technical field of water resource monitoring, in particular to a surface water monitoring management system, which comprises: an acquisition unit for acquiring a water body image of the surface water surface in real time; the filtering unit that is used for filtering the water body image; the storage unit that is used for storing the filtered water body image; the training unit that is used for obtaining a neural network model; the processing unit that is used for carrying out floater identification and color identification on the filtered water body image, judgingwhether the water body is abnormal or not and marking an abnormal area in the water body image when the water body is abnormal; and the display unit that is used for displaying the marked area on thevisual interface. Floating object and color identification is performed on the water sample image in combination with the neural network, the abnormal area is marked and displayed in a visual mode, and the technical problem that in the prior art, obvious changes of water surface floating objects, water body colors and the like are ignored, so that early warning cannot be performed in time when the water quality changes is solved.

The invention provides an anti-decomposable corrosion hydraulic concrete mixed proportion design method comprising the steps: firstly, determining significant affecting factors on concrete anti-decomposable corrosion by an orthogonal test method, and analyzing and selecting various factors by combining concrete grade, durability and other design requirements; and then carrying out concrete strength curve test, combining with the strength curve test result, and concrete grade, durability and other design requirements and the concrete anti-decomposable corrosion test result, and calculating themixed proportion parameters of reference concrete by an absolute volume method. On the basis of guaranteeing the basic performance parameters of concrete, the effect of various factors on the concreteanti-decomposable corrosion ability is investigated by decomposed erosion tests, the step of improving the concrete anti-decomposable corrosion ability is introduced to the mixed proportion design, the problems existing in a decomposed erosion environment are solved, the anti-decomposable corrosion ability is enhanced, the durability of the concrete is enhanced, and the service life of buildingsis prolonged.

The invention discloses a method and device for evaluating the navigation ability of a functional page. The method includes: determining a content page having a page view greater than a preset value as a valid content page in a website; acquiring the sum of page views of valid content page; determining the proportion of the page views due to conversion of the search engines into the valid contentpage in the sum of page view; and evaluating the navigation ability of a functional page of the website according to the proportion of the page views due to conversion of the search engines into the valid content page in the sum of page view. The method and device can determine the quality of the functional page by evaluating the navigation ability of the functional page, and can provide effectivereference information for a website owner.

The invention discloses a network traffic prediction method and device and a computer readable storage medium, and relates to the field of data communication. The network traffic prediction method comprises the following steps: acquiring a related link of a to-be-detected link, wherein the related link is a link of which the traffic correlation with the to-be-detected link is greater than a preset degree in a network; generating a historical traffic sequence according to the traffic of the link to be measured and the related links thereof at one or more historical moments; and inputting the historical traffic sequence into a pre-trained prediction model to obtain the traffic, output by the prediction model, of the to-be-measured link at the future moment. According to the embodiment of the invention, the traffic prediction can be carried out according to the historical traffic data of the associated link, so that the predicted network traffic is more accurate. Therefore, a more accurate reference basis can be provided for network planning, network optimization and network configuration.

The invention relates to an equipment appearance image brightness adjustment method and device, and the method comprises the steps: substituting an original pixel value of an equipment appearance image into a self-adaptive brightness adjustment algorithm after the equipment appearance image is obtained, and finally enabling a processing result of the self-adaptive brightness adjustment algorithm to serve as the equipment appearance image for recycling appearance evaluation. Based on this, the tedious process and limitation of adjusting the image brightness by using an experience threshold areavoided. The appearance image of which the brightness is adjusted through the adaptive brightness adjustment algorithm can show the problems existing in the appearance of the equipment more hierarchically, so that more accurate reference is provided for equipment recovery valuation, and the success rate of equipment recovery is improved.

The invention discloses a display panel testing device and system, and the device comprises a pedestal and a testing assembly, and the pedestal is used for being fixedly connected with at least part of a display panel; the test assembly comprises a rotatable plate and a drawing device. The rotatable plate is rotatably connected with the base so as to bend a to-be-tested area of the display panel to a preset angle; the drawing device is arranged on the rotatable plate and used for fixing a to-be-tested area of the display panel and providing tension for the to-be-tested area so as to carry outa drawing test when the to-be-tested area is bent to a preset angle. By means of the mode, the drawing force borne by the display panel in the bending process can be simulated, and the accuracy of drawing test data is improved.

The invention discloses an intelligent input and output quantity recorder and a recording method. The recorder comprises a weighing window, a disinfection device and a recording system, the disinfection device is fixedly arranged on the weighing window; and the weighing window is in communication connection with the recording system. The intelligent input and output quantity recorder adopts an in-out quantity and in quantity integrated division design. The output recording window and the input recording window are located at the same position, the windows are opened according to the weighing requirement, meanwhile, the automatic disinfectant spraying window is further arranged, a weigher can conveniently complete output and input weighing, the psychological requirement for respective output and input weighing is met, and meanwhile cross infection of hospitals is prevented. The working efficiency is improved, the time of clinical medical staff is saved, and manpower and material resources are saved. Meanwhile, a more convenient and scientific reference basis is provided for clinical medical staff to make decisions, a more scientific liquid balance evaluation and analysis scheme is provided, and a more real-time and accurate reference basis is provided for medical staff to evaluate and diagnose the illness state and make decisions on a treatment scheme.

Disclosed is an auxiliary cutting and alignment system including workbench and controller, a sewing machine is arranged on the table top of the workbench, a bracket is vertically fixed on the workbench, the bracket is provided with a mounting cross beam higher than the workbench and the sewing machine, the mounting cross beam is respectively provided with a fixed light spot generator and a movinglight spot generator for moving horizontally on the mounting cross beam according to requirements, and an information reading device is also arranged on the workbench. The information reading device reads the label information on the slice to be cut and transmits the slice information to the controller. Both the fixed spot generator and the moving spot generator produce the cross red spot on the workbench. The controller searches the size data of the slice to be cut from the database, compares the size data with the reference size L to obtain the difference Delta L, and controls the moving spot generator to move horizontally according to the difference Delta L so that the horizontal distance between the two mutually independent cross red spots is L + Delta L.