40 results about "Inverse correlation" patented technology

The invention relates to the technical field of automobiles, and provides a car-door-opening collision preventing method and device. When it is detected that obstacles exist within a first preset range around a car door, an alarming signal of the highest level is sent, and safety and timeliness are good; meanwhile, when it is detected that obstacles do not exist in the first preset range around the car door and obstacles exist in a second preset range around the car door, the moving speed and the relative distance of the obstacles in the second preset range relative to the car door start to be detected, and alarming signals of corresponding levels are determined according to the moving speed and the relative distance; the level of the alarming signals is in positive correlation with the moving speed and in inverse correlation with the relative distance. By means of the method and device, whether obstacles exist around or behind the car door is actively detected, corresponding alarming prompts are sent, and the situation that the car door collides with obstacles is avoided to the maximum extent; meanwhile, on the basis of guaranteeing safety, the processing burden of a control module is reduced, and operation efficiency is improved.

The invention discloses a method for extracting and quantitatively characterizing core heterogeneity based on core CT image pore information, comprising the following steps: carrying out CT scanning experiment on a carbonate rock core to obtain a two-dimensional gray scale slice; carrying out binarization segmentation, filtering, denoising, optimization processing, superposition reconstruction forming and core peer-to-peer digital core on the obtained two-dimensional gray scale slice; processing the data of the digital rock core; establishing a contribution relation equation of the rock core dissolved pore parameters to the rock core heterogeneity by utilizing the calculation parameters according to the relation that the heterogeneity of the rock core and the ratio of the dissolved pore volume to the total volume of the rock core are in positive correlation and are in inverse correlation with the number of the dissolved pores; and establishing a standard variance of rock core dissolvedpore scale distribution according to the rock core dissolved pore scale and the heterogeneity of the rock core, and quantitatively obtaining the heterogeneity of the rock core. The heterogeneity of the rock is evaluated based on quantitative calculation of the pore attribute of the rock, and the result is accurate and reliable; and guidance is provided for oil and gas reservoir reserve calculation and development schemes.

The invention provides an inductive water-saving irrigation automatic control method based on the turgor of plant leaves, which applies an inductive water-saving irrigation automatic control device. The method is characterized in that an action that an unwatered plant leaf enters an infrared induction zone is taken as a signal; the physiological characteristic that the water deficiency of crops causes leaf water potential and turgor reduction is utilized; according to the inverse correlation relationship between the sag and turgor of the leaf, in combination with a principle of crop deficit compensation and water-saving irrigation, an infrared induction technique is applied to detect the sag changes of the leaf; and the automatic effluent and flow break of irrigation water are realized via the detection and control of an inductor. The method has the advantages that the method responds to the physiological water requirement of plants more directly, more comprehensively, more rapidly and more sensitively, is combined with the principle of compensatory water-saving irrigation, is high in control precision and water saving effect, has the estimated water saving rate of 30 percent, can meet the requirements of users on accurate, simple, fast and easy field irrigation control, and can bring about obvious economic benefit and social benefit.

The invention provides a lighting device which can adjust the illumination and color temperature of irradiation light. The lighting device can prevent eyes from getting fatigue easily even if the illumination is increased to improve the readability of characters, thereby allowing long-time visual tasks and saving energy. The lighting device comprises a first light source unit emitting light with a specified color temperature, a second light source unit emitting light with a color temperature different from that of the first light source unit, and a control unit for controlling light adjustment for the light source units separately. The control unit adjusts an output ratio of the light source units to make the illumination and color temperature of the irradiation light to change in an inverse correlation manner. The color temperature drops if the illumination rises, so that the glare of the irradiation light is inhibited even if the illumination is increased to improve the readability of characters, and eyes are prevented from getting fatigue easily, thereby allowing long-time visual tasks. Besides, the color temperature rises when the illumination decreases, so that the illumination decreases while the readability of characters is maintained, thereby saving energy.

The invention relates to a method of evaluating a virtual MIMO system's quality of a first group of mobile devices in a base station of a mobile communication system. The mobile communication system further comprises a plurality of mobile devices coupled to the base station, the base station is adapted for receiving uplink channel estimation coefficients of each mobile device of the plurality of mobile devices. The method comprises the steps of: selecting at least a first and second mobile device of the plurality of mobile devices; obtaining a first factor by calculating an inverse correlation between a first and a second vector; obtaining a second factor, the second factor being descriptive of an average receive power ratio between the first and second mobile devices; calculating the quality value of the virtual MIMO by combining the first factor and the second factor using an arithmetic operation, the quality value being descriptive of the virtual MIMO system's quality between the first and second mobile devices.

The invention discloses a method and a device for correlative multi-focus laser separation of a fragile transmission material. The method is characterized in that the same technological parameters are adopted, and coaxial laser is utilized to penetrate multi-focus lens groups and to conduct inverse correlation on two sides in the thickness direction of the fragile transmission material to be separated, so that the number of focuses generated in the fragile transmission material is doubled to improve the laser energy absorption uniformity of the fragile transmission material in the thickness direction and to enhance the heating expansion uniformity of the fragile transmission material in the thickness direction. After a laser multi-focus beam leaves, the fragile transmission material is quickly cooled down in the thickness direction to produce tensile stress, so that separation of the thick fragile transmission material is realized by laser. The device comprises two sets of multi-focus laser processing systems and one three-dimensional working platform, wherein each set of the multi-focus laser processing system comprises a laser, light guiding mirrors, a beam expanding mirror and a multi-focus lens group. The method and the device realize high-quality, efficient and high-success-ratio separation of the thick fragile transmission material.

The invention provides a method for acquiring an optimal visual field through a head-mounted video recording device. The method comprises the steps that a human eyeball image acquisition device is additionally arranged on the head-mounted video recording device and used for specifically recording images of one eyeball of a person to capture the movement conditions of the eyeball of the person; the recorded images are subjected to eyeball marking, and a model is established through a computer to simulate the movement trajectories of two eyeballs; according to obtained trajectory charts of the eyeballs of the person, data are obtained, the data and the images recorded by the former video recording device are subjected to correlation treatment, then a group of data will be obtained, and the data will conduct circulation without a large change in many cases; the circulation data are extracted, and the circulation data and data recorded by a front camera are subjected to inverse correlation operation, so that the images are expanded or cut, and most effective storage of final images is achieved. Meanwhile, the head-mounted video recording device can be controlled to move according to the movement trajectories of the eyeballs of the person through software, so that recording within an optimal visual field is achieved.

The invention discloses a single NV color center packaging method and a single NV color center device. The packaging method comprises the following steps of: a) connecting three optical fibers and setting light among the three optical fibers to transmit in a single direction, 1# optical fiber is connected with a laser and 2# optical fiber is connected with a spectrograph; b) dropping turbid liquid containing monocrystal diamond particles on the end surface of 3# optical fiber, and observing whether monocrystal diamond particles exist on the end surface of the 3# optical fiber or not, if so, entering c), and if not, repeating b); c) observing whether the typical fluorescent light of an NV color center appears on the spectrograph or not, if so, entering d), and if not, entering e); d) connecting the 2# optical fiber to a TAC (time-to-amplitude converter) to test an inverse correlation function, and judging whether the appeared NV color center is a single NV color center or not, if not, entering e); and e) washing monocrystal diamond particles away from the end surface of the 3# optical fiber, and repeating the step b). The invention simplified the single NV color center searching and positioning processes, saves the costs for searching and positioning the single NV color center and facilitates the research and application of single NV color center.

The invention discloses a spatial attribute prediction method based on local weighting linear regression. The method comprises the steps that a multivariate linear regression method is adopted for conducting mathematical modeling on an influence relation of spatial attributes, a spatial distance factor is introduced to a fitting assessment expression of linear regression analysis to solve the problem, and the spatial distance and the influence degree on an analysis target is in an inverse correlation, wherein data of low spatial distance has large influence on the analysis target, and data ofhigh spatial distance has less influence on the analysis target. The spatial attribute prediction method is low in computation complexity, unique and simple in calculation result and beneficial to program processing, the linear combination relation of various spatial attributes can be processed, and the problem of less fitting during combination analysis of multi-dimensional spatial attributes byadopting an existing linear regression analysis method is effectively solved.

The invention discloses a method and system for scheduling middle boxes in a software defined network. The method comprises the followings steps of obtaining a stream list and using the middle boxes to conduct corresponding processing on streams; obtaining the needed number n of each type of middle boxes; obtaining the network, wherein resource pools are distributed on the network; maintaining one score list, wherein the scores of all middle boxes in each resource pool are recorded in the score list, the x-type middle boxes MBx of the ith recource pool pi is represented by <pi, MBx>; rating the middle boxes, wherein each stream arriving at the shortest path possibly passed by the resource pools passes by the middle boxes, the score of the current middle box is in inverse correlation with the distance of the current stream from a current starting point to the current middle box, and the scores of the middle boxes are accumulated according to <pi, MBx>; sorting the aggregate scores of the middle boxes <pi, MBx> from big to small, and selecting the top five middle boxes MBx in the x-type middle boxes MBx as the middle boxes for processing streams.

The embodiment of the invention provides a video data transmission method and a transmission device. The video data transmission method comprises the following steps: acquiring network transmission quality between a video sending end and a video receiving end, and a video clip needing to be sent to the video receiving end; obtaining video frames obtained by video clip coding according to the network transmission quality, the network transmission quality and the number of key frames obtained by video clip coding being in a positive correlation relationship, and the network transmission qualityand the number of non-key frames obtained by video clip coding being in an inverse correlation relationship; and sending the acquired video frame to a video receiving end. According to the technical scheme provided by the embodiment of the invention, when the network transmission quality is better, the decoding time of the video receiving end can be reduced by sending more key frames, and the definition of video playing can be ensured; And when the network transmission quality is poor, the video data transmission quantity can be reduced by reducing the transmission of the key frames and increasing the transmission of the non-key frames, and meanwhile, the video playing fluency can be ensured.

A method of identifying a gene or genomic mutation that is linked to causality of a neuropsychiatric disorder is provided. The method comprises identifying exons which exhibit an expression level that is at least within the 75^th percentile of exon expression levels within a nucleic acid-containing sample from a mammal having a neuropsychiatric disorder; comparing the sequence of each identified exon to the sequence of a corresponding exon from a healthy control to identify rare or de novo sequence mutations within the identified exon; calculating the burden of rare or de novo mutations within the exon; and determining the correlation between expression level of the identified exon and burden of de novo or rare mutations in the exon, wherein an inverse correlation indicates that the exon gene is linked to causality of the neuropsychiatric disorder.

Then invention relates to a multi-flow speed controller of an analgesia pump. The multi-flow speed controller of the analgesia pump comprise a speed regulating mechanism, a liquid inlet tube and a liquid outlet tube, wherein the speed regulating mechanism comprises a flow tube and a speed regulating press plate, the speed regulating press plate is movably arranged on one side of the flow tube, and the speed regulating press plate changes the cross sectional area of the flow tube through squeezing the flow tube; the liquid inlet tube is communicated with the flow tube; the liquid outlet tube is communicated with the flow tube. The multi-flow speed controller rotates the speed regulating press plate through a speed regulating key, the flow speed of a silicone tube is changed by changing the length of the speed regulating press plate, the smoothness of the flow tube is guaranteed, lengths of the speed regulating press plate in all directions correspond to the corresponding flow speeds, the lengths and the flow speeds are in inverse correlation with each other, the lengths are subjected to accurate calculation and tests, the flow speeds are more accurate, the controller is safer for patients, and needed analgesia effects can be achieved. The multi-flow speed controller of the analgesia pump has the advantages that the structure is reasonable and simple, and the operation is more simple and convenient for medical staff.

The invention discloses an iodide ion quantitative real-time detection technology. The technology mainly comprises the following steps: mixing a solution containing iodide ions with a nanogold solution for reaction; and observing a Tyndall effect optical signal of the mixed solution under a laser beam generated by a laser pen or a laser, wherein the signal intensity is in inverse correlation withthe iodide ion concentration. By using cheap portable photographing equipment to read a signal (a Tyndall effect optical signal), low-cost portable quantitative real-time detection of iodide ions or an analyte related to iodide ion concentration (namely iodide ions generated in a solution or substances for reducing the iodide ion concentration can be realized through a specific recognition reaction) can be realized. The technology disclosed by the invention has the outstanding advantages of simplicity in operation, low cost, no need of professional analysis instruments, suitability for on-siteanalysis and real-time detection and the like. The method can be directly popularized and applied to qualitative and quantitative detection of various samples in the fields of medical diagnosis, environment monitoring, food safety and the like.

The invention provides a heating chamber and a semiconductor processing device. The heating chamber comprises a sheet box, an annular heating device, and a reflector sleeve. The sheet box is used for bearing a plurality of processed workpieces at intervals in a vertical direction. The annular heating device sleeves the outer side of the sheet box and is used for heating the multiple processed workpieces simultaneously. And the reflector sleeve sleeves the outer side of the side wall of the annular heating device and annular reflection zones corresponding the processed workpieces are arranged at the inner side wall of the reflector sleeve; and the reflectivity of each annular reflection zone has an inverse correlation relationship with the temperature of the processed workpiece corresponding to the annular reflection zone, so that the heating uniformity of the multiple processed workpieces is improved. According to the invention, the heating uniformity of the multiple processed workpieces can be improved, so that uniformity of the process results is enhanced and thus the process quality and the economic benefits are increased.

The disclosure relates to an image processing method including: determining the edge of the structural area of a human face in an image; setting the filtering radius of pixels according to the shortest distance from the pixels in the image to the edge, wherein the filtering radius is in inverse correlation with the shortest distance; and edge-preserving filtering the pixels according to the filtering radius. According to the embodiment of the present disclosure, since the filtering radius of the pixels is in inverse correlation with the shortest distance between the pixels and the edge of thestructural area of the human face, the method can ensure the clearness of the edge of the structural area of the human face and can guarantee to filter flaws in the unstructured area of the human face.

The invention discloses a silicon controlled rectifier driving method and a silicon controlled rectifier driving device. The method comprises the steps that the load value of a circuit on which a silicon controlled rectifier is positioned, and a plurality of phase angles are determined according to the load value; the plurality of phase angles are positioned in a phase angle zone corresponding to the silicon controlled rectifier; the number of the plurality of phase angles is in inverse correlation with the load value; and a driving signal output time section corresponding to each phase angle in the plurality of phase angles outputs driving signals to a silicon controlled rectifier needing to be driven at present. According to the silicon controlled rectifier driving method, the driving loss of the silicon controlled rectifier can be lowered.

The invention provides a camera focal length acquisition method and device, and equipment, and the method comprises the steps: obtaining an image collected by a camera, obtaining a parameter under a candidate focal length according to a preset candidate focal length and the resolution of the image, and carrying out the positive correlation of the possibility of taking the candidate focal length as the focal length with the number of interior points according to the parameter, carrying out the inverse correlation with a re-projection error, and selecting a focal length of the camera from the candidate focal lengths. According to the method, the focal length of the camera is obtained on the basis of the image collected by the camera, so that the focal length can be calibrated based on the image and the preset candidate focal length after the image is collected by the camera in the process of realizing AR, and the online calibration of the focal length of the camera is realized.