52results about How to "Eliminate human error" patented technology

This invention provides a method and system for thermodynamic parameter correction in HCh software, relating to the field of parameter correction technology. The method includes: determining initial thermodynamic parameters of a target component; inputting the initial thermodynamic parameters into HCh software for preliminary simulation and outputting the equilibrium concentration of the target component; calculating the comprehensive deviation between the equilibrium concentration of the target component and the desired equilibrium concentration; determining the search step size based on the relative magnitude of the comprehensive deviation and the desired equilibrium concentration, combined with gradient scaling technology; synchronously adjusting the Gibbs free energy and activity coefficient in the initial thermodynamic parameters using a binary search method in a coupled manner according to the search step size to obtain optimized thermodynamic parameters; updating the initial thermodynamic parameters using the optimized thermodynamic parameters, returning to re-simulate, until the comprehensive deviation is less than a preset comprehensive deviation value; and outputting the optimized thermodynamic parameters, completing the thermodynamic parameter correction. This invention improves the accuracy and efficiency of parameter correction.

The utility model belongs to municipal road construction technical field especially relates to a curb laying mortar dip angle control and scraping tool, including scraping board, the vertical pole is fixed to scraping board upper end upwards, the vertical pole outside slide sleeve connects a short sleeve, short sleeve other side fixed horizontal sliding rod, horizontal sliding rod and horizontal fixed link slide sleeve together, horizontal fixed link one side bottom fixed several L type control board. The tool of the present application can complete the dip angle control and scraping of the mortar layer at one time, does not depend on the skill level of workers, eliminates the artificial error, the precision of the dip angle and thickness control of the mortar layer is high, and the control precision and construction efficiency are greatly improved compared with the traditional artificial mortar laying mode.

The utility model discloses a kind of metal door panel is in the center of corner forming machine on forming press plate positioning mechanism, belong to sheet metal processing equipment technical field. Including rack, material pressing device is equipped in the upper portion of rack, forming press plate positioning device is driven and connected below material pressing device, two guide devices are symmetrically set in the front end of rack, triangular forming mould is equipped below forming press plate positioning device, the forming press plate positioning device includes forming press plate and the adjustable positioning plate of both sides thereof. The utility model drives forming press plate positioning device to go down along guide device by material pressing device, workpiece hem is automatically tightened and is close to two sides of triangular mould in pressing process using two sides positioning plate, to realize workpiece automatic centering and accurate positioning. The mechanism structure is reasonable, positioning is accurate and reliable, effectively solve the deviation, wrinkle and deformation problem in workpiece corner forming, significantly improve processing quality and production efficiency, especially suitable for batch sheet metal workpiece high-precision machining.

This utility model discloses a visual inspection device for nonwoven fabrics, comprising a main frame and feet and rollers fixedly installed at the bottom of the main frame. A roller assembly is sequentially arranged above the main frame for tightening and unwinding the nonwoven fabric. A light source mechanism is fixedly installed above the roller assembly. A support frame is fixedly installed above the main frame. A set of camera lenses is respectively installed at the bottom of the main frame and the top of the support frame. The camera lenses are fixedly connected to a camera height adjustment module. A connecting frame is fixedly installed on the right side of the support frame, and a labeling machine assembly is fixedly installed on the connecting frame. This utility model discloses a visual inspection device for nonwoven fabrics with high-precision recognition: through a high-resolution camera, optical sensor, and AI algorithm, it can detect minute defects (such as holes, stains, and uneven fibers) that are difficult to detect with the naked eye, with an accuracy down to the micrometer level, eliminating human error and ensuring the consistency and reliability of the inspection results.

This utility model discloses an improved proximity switch, which includes a housing. A front cover is movably plugged into one end of the housing, and a rear cover is movably plugged into the other end. An insulating cylinder is fitted inside the rear cover, and a support base and a pre-fixed insulating sleeve are sequentially fitted inside the rear cover. A circuit board passes through the inner hole of the pre-fixed insulating sleeve, and its output terminal is electrically connected to an electrical interface fixed on the support base. This utility model achieves contactless, automated, and precise calibration of the resistance value by independently laser-adjusting the core module, consisting of the insulating cylinder, pre-fixed insulating sleeve, and circuit board, in an open environment before final packaging. This not only completely eliminates the thermal shock and human error caused by manual soldering and adjustment, but also ensures high precision and ultra-high consistency in the detection distance of each product.

This utility model discloses a hexagonal outdoor lamp head testing fixture, which relates to the field of lamp head testing technology. This hexagonal outdoor lamp head testing fixture eliminates human error through dual positioning of the lamp frame docking point and the lamp head testing point, ensuring the accuracy and consistency of various performance indicators of the lamp head. The fixture is simple to operate, improves testing efficiency, and its transparent material facilitates observation of the testing process and lamp head status. Its simple and practical structure facilitates maintenance and operation, effectively reducing testing costs.

The invention discloses a construction method for integration of an anti-static floor and a cable support of a secondary equipment room of a transformer substation, and relates to the field of transformer substation constructional engineering and electrical installation. Traditional construction has the problems of long construction period, different quality, poor operation environment and inconvenience in later debugging. The method comprises the following steps: measuring and typesetting on site, and setting an elevation control line and a division positioning line in an elastic manner; cleaning the terrace and laying a grounding cable led out from the main grounding grid in advance; the cable support is positioned and assembled according to the grid division positioning lines, the cable support is reliably connected with the grounding cable, and a groove box cross arm of the cable support is used for bearing the cable; and after the cable is laid, an anti-static floor is installed at the top of the cable support, and edge closing treatment is carried out. According to the method, on-site efficient assembly is achieved through the standardized and modularized construction process, the construction period is shortened, the quality is improved, and the operation and debugging environment is optimized.

The invention discloses a micro-rectangular socket jack bending device, and aims to solve the problems of poor quality consistency and low efficiency during manual bending of micro-rectangular connector jacks. The device comprises a bottom plate, a bending base, a supporting rod and a positioning block. A to-be-bent inserting hole is arranged on the supporting rod in a sleeved mode and fixed through the inserting hole positioning block. One end of the supporting rod is connected with the tension spring through the hanging pin to achieve automatic reset. The core of the invention lies in that the front and back bending positions of the product are accurately adjusted through the micrometer head, and the jack is stressed and bent by pulling the bending pressure head. In the bending process, the supporting rod synchronously rotates along with the inserting hole, and after bending is completed, the elastic force of the tension spring drives the supporting rod and the pressing head to automatically reset through the hanging pin. Precise control over the bending size is achieved through the micrometer head, continuity and consistency of operation are guaranteed through the tension spring reset mechanism, and the bending quality and production efficiency of products are greatly improved.

The utility model discloses a circuit for automatically calibrating pressure sensors in batches. The circuit comprises an MCU main control circuit, a data acquisition circuit and a plurality of output selection circuits. The MCU main control circuit is used for executing a program instruction stored in the memory, processing an input signal and controlling external equipment through an output signal; the data acquisition circuit is electrically connected with the MCU main control circuit, converts an analog signal into a digital signal, acquires and processes the digital signal, and transmits the digital signal to the MCU main control circuit; the input ends of the multiple output selection circuits are electrically connected with the MCU main control circuit, the output ends of the multiple output selection circuits are connected with the sensors, and the MCU main control circuit controls output lines of the multiple output selection circuits so as to calibrate the pressure sensors. The circuit for automatically calibrating the pressure sensors in batches can calibrate the sensors in high precision, eliminates personal errors through digital control, improves calibration precision, and is high in batch calibration efficiency.

The invention discloses a preparation method of a loose body based on an optical fiber preform, and relates to the technical field of optical fiber processing. The method comprises the following steps: SS01, depositing a barrier layer by adopting an MCVD (modified chemical vapor deposition) process; sS02, multi-time deposition of a loose core layer is conducted through the MCVD deposition technology; sS03, preparing a doping solution containing rare earth ions and aluminum ions; sS04, off-line solution doping is carried out, and a vacuum pressurization alternate driving mode is adopted in the doping process. The porosity of the loose core layer is gradually reduced from inside to outside, a permeation resistance gradient is formed, the high porosity of the inner layer provides sufficient permeation channels, the low porosity of the outer layer plays a role of a barrier layer, rare earth ions are prevented from being adsorbed by the surface layer too early and exhausted in the doping process, and the rare earth ions are prevented from being adsorbed by the surface layer too early and exhausted through the forced permeation effect of vacuum pressurization alternate driving. Dissolved gas is discharged through vacuumizing operation after each stage of pressurization, space is vacated for next-stage permeation, and the rare earth ions are evenly distributed in the radial direction of the loose body.

This invention discloses a method for synchronous data acquisition from multiple Bluetooth gauges, addressing the technical problems of low data acquisition efficiency and insufficient automation in existing technologies. It belongs to the field of production inspection data acquisition and information technology. The invention includes multiple Bluetooth gauges, a smart terminal, and a Manufacturing Execution System (MES). The smart terminal has a built-in data acquisition app. The Bluetooth gauges are responsible for performing measurements and uploading measurement data to the data acquisition app. The data acquisition app enables unified management of the Bluetooth gauges and processing of measurement data. The MES system is used to receive, store, parse, and manage the inspection measurement data.

This invention discloses a fully automatic PTC heater surface spraying device, including a worktable. A moving module is installed on the top of the worktable, and the output end of the moving module is connected to a material picking module. The material picking module is used to pick up, transfer, and adjust the position of the material to be sprayed. Two sets of baffles are installed on the top of the worktable, forming a spraying space between the two sets of baffles. The material picking module can move the material to be sprayed into this spraying space. This invention belongs to the technical field of heater production equipment. The technical effect achieved is as follows: by setting a work chamber composed of two fixed covers and two relatively movable frames, and cooperating with the bidirectional moving module, after the material picking module moves the material to be sprayed to the spraying station, it can automatically close to form a closed spraying environment. This closed structure, in conjunction with the holes opened on the baffles, ensures that the paint sprayed from the spray gun head can only be accurately coated on a specific area of ​​the material through the holes, effectively preventing the paint from atomizing and escaping outward.

This utility model discloses a special movable guide vane adjustment device for hydro-generator sets. Utilizing the jacking force, the crank arm is pulled counterclockwise, causing the movable guide vane to rotate to a position aligned with the connecting rod pin. This solves the connection difficulty caused by angular deviation between the guide vane and the connecting rod, improving the efficiency of unit installation and maintenance. The device includes a tray with a connecting end and a guide rail end. The connecting end is connected to the crank arm via a positioning pin. A sliding frame is fitted onto the guide rail end, and one end of a pull rod is fixed to the side of the sliding frame away from the connecting end. A jack is installed inside the sliding frame. The pull rod is fixed to the double-arm head of the hydro-generator via a connecting plate. The pull rod has multiple square slots, and the other end of the pull rod passes through the radial through hole of the second pin. A wedge plate is inserted into the square slot to limit the pull rod's position. The second pin connects to one end of the connecting plate, and a side hole is provided on one end of the connecting plate.

This invention discloses a chip tray optical feature acquisition and processing device and method, including an acquisition device and a processing device connected thereto. The acquisition device is used to position and illuminate the chip tray, and acquire a first image and a second image of the chip tray respectively. There is an overlapping area between the first image and the second image. The processing device is used to receive and process the image data acquired by the acquisition device, including: a distortion correction module, used to perform radial distortion correction and tangential distortion correction on the first image and the second image respectively, to obtain distortion-corrected image data; an image deduplication module, used to extract computer vision algorithm feature points from the distortion-corrected image data, match the overlapping area, and remove redundant data to obtain deduplicated image data; and a stitching and fusion module, used to register and fuse the deduplicated image data to generate a complete chip tray image.

The present application relates to a kind of tunnel blasting parameterization hole arrangement design and numerical model automatic generation method, comprising the following steps: S1.tunnel section and hole arrangement region profile parameterization;S2.based on the profile point set data of tunnel section and hole arrangement region obtained in step S1 and the blast design parameter input by user, automatically calculate the coordinates of cut hole, auxiliary hole, peripheral hole and floor hole, generate visual blasthole arrangement scheme, and export the file including all blasthole information;S3.through script program driving finite element pre-processing software, automatically and batchedly execute modeling operation.The present application realizes from the parameterization design of hole arrangement scheme to the automatic, batched generation of numerical model, can realize the rapid generation of hole arrangement scheme and corresponding numerical model under the size of any tunnel section contour and blasthole arrangement parameter, provides powerful technical support and guarantee for the prediction of tunnel blasting effect and the adjustment and optimization of hole arrangement scheme.

This utility model discloses a weighing instrument with automatic feeding function, relating to the field of weighing instrument technology. It includes a frame, along the material conveying direction, on which are sequentially arranged: a first conveying mechanism for conveying material to be weighed; a weighing component located at the outlet end of the first conveying mechanism; a second conveying mechanism, its inlet end adjacent to the weighing component, for receiving the weighed material; a discharging component located at the outlet side of the second conveying mechanism; and a controller. This utility model, by setting up a weighing component, can both receive material from upstream equipment and transfer material to downstream equipment, realizing automated connection between the weighing station and upstream and downstream processes, ensuring the continuity of the production process. Furthermore, the grid structure allows the belt to pass through the carrier, so that at the moment of weighing, the material and the moving belt are separated from the load-bearing relationship in the vertical direction. This eliminates the interference of belt vibration weighing data, thereby increasing static weighing accuracy.

This utility model discloses a dual-station pipette sealing performance testing device, including a base. A dual-station staggered testing component is installed on the top of the base, and two sets of clamping components are also installed on the top of the base. The testing component includes a sealed box fixedly installed on the top of the base. Through the dual-station staggered testing component and the two sets of clamping components, a negative pressure environment is generated for the pipette via an air pump, exhaust pipe, sealed box, suction pipe, and docking seat. Using a Y-shaped suction pipe in conjunction with two sets of solenoid valves, independent control and staggered testing of the two testing stations can be achieved. During the testing process, the operator can test the pipette at one station while simultaneously loading and unloading the pipette at the other station, without waiting for the previous station to complete its testing. This significantly shortens the testing interval time, improves batch testing efficiency, and solves the problem of low efficiency in traditional single-station testing devices.

The utility model relates to the technical field of electric power detection, in particular to an integrated detection system for gas content and moisture content in insulating oil, which comprises a vacuum chamber, the top of the vacuum chamber is connected with an oil inlet through a first pipeline, the oil inlet is further connected with a second pipeline, and a second control valve is arranged on the second pipeline. The second control valve is connected with a trace moisture measuring chamber through a third pipeline, the trace moisture measuring chamber is connected to the bottom of a vacuum chamber through a fourth pipeline, the vacuum chamber is connected with a vacuum pump through a fifth pipeline, a pressure sensor is arranged on the vacuum chamber, and the top of the oil inlet is connected with a sampling mechanism through a sixth pipeline. According to the utility model, the integrated detection of the gas content and the moisture content of the insulating oil is innovatively realized, two key parameter determination modules are organically integrated, and compared with a traditional detection mode, the complex process of multi-parameter step-by-step detection is simplified, and the equipment purchase and maintenance cost is effectively reduced.

The utility model discloses a pipeline CIP cleaning and disinfecting equipment, including hot water jar, water jar, acid jar and alkali jar, the input of hot water jar, water jar, acid jar and alkali jar all is connected with the return pipe, four the return pipe is connected with first valve, the acid jar and alkali jar all are connected with the connecting pipe, two the connecting pipe end part is connected with concentrated lye jar and concentrated acid jar respectively, concentrated lye jar and concentrated acid jar all are equipped with the diaphragm pump, hot water jar, water jar, acid jar and alkali jar end all are equipped with the cleaning pipeline, belong to the technical field of cleaning and disinfecting equipment. The pipeline CIP cleaning and disinfecting equipment reduces through manual process, does not need staff to enter jar or other processing equipment, does not need staff to directly contact chemical solution, and the safety standard is high, and the result repeatability is good, and can eliminate human error, effectively improve the health quality, improve production efficiency, reduce manpower spending, improve auxiliary resource control, and the cost control is more reasonable.

The invention discloses a readable cone measuring tool, and aims to solve the problems that the fitting rate of a vertical shaft cone and a drum taper hole of a disc centrifuge is insufficient, and traditional measurement depends on experience. The tool is composed of a measuring sleeve, a set screw and a dial indicator, a conical through inner cavity is formed in the measuring sleeve and is in transition fit with a taper plug gauge (the single-side gap is 0.5-1 micrometer), radial positioning structures are arranged on the same sides of the two ends to fix the dial indicator, and a measuring rod is axially perpendicular to the inner cavity. When in use, the measuring sleeve is sleeved in the taper plug gauge for multi-angle zero calibration and then sleeved in the vertical shaft cone, and the taper angle error (the readable value is 1 [mu] m) is quantized through the reading difference of the upper and lower dial indicators, so that the angle of the machine tool grinding wheel is adjusted. The tool can control the cone tolerance of a part to be within the AT alpha 4 level, reduces personal errors, improves the measurement efficiency and precision, ensures that a vertical shaft and a rotary drum are accurately positioned and do not shake, enhances the balance effectiveness of the separator rotary drum and the reliability of a transmission system, realizes the interchangeability of the part, and is suitable for precision machining detection of similar conical mating parts.

The application discloses a sampling device for chemical raw material testing and analysis, and belongs to the technical field of devices for chemical raw material testing and analysis. The sampling device for chemical raw material testing and analysis comprises a sampling cylinder, a liquid taking pipe fixedly connected to the end of the sampling cylinder, a scale arranged on the sampling cylinder, a push-pull frame arranged in the sampling cylinder, a push plate fixedly arranged at the lower end of the push-pull frame, a frictional contact between the push plate and the inner wall of the sampling cylinder, a positioning ring arranged above the push plate, a lifting mechanism arranged on one side of the positioning ring, and the lifting mechanism is used for driving the positioning ring to move up and down. The technical scheme of the application replaces the pulling mode completely depending on hand feeling and experience by arranging the positioning ring and the lifting mechanism, the hard limit ensures the absolute consistency of each pulling stroke, fundamentally eliminates the human error, and ensures the accuracy of the sampling amount and the repeatability of multiple operations.

The present application belongs to the technical field of hydraulic engineering, and discloses a plain reservoir dam-break simulation method with adaptive breach location, aiming to solve the problems of low modeling efficiency, large human error and poor model reusability of the traditional dam-break simulation method when the breach location of the plain reservoir is uncertain. Through the "predefined adaptive boundary + automatic matching" mechanism, the present application decouples the breach location and the grid division, shortens the single scene switching to the minute level, eliminates human operation errors, supports the dam-break simulation at any location, greatly improves the efficiency, reliability and flexibility of the plain reservoir dam-break risk analysis, and provides strong technical support for flood control and disaster reduction emergency decision-making.

The utility model discloses a positioning welding device of an electromechanical installation support, which relates to the technical field of electromechanical support welding, and comprises a rack, welding guns, a clamping shoe, a pressing plate and two clamping plates, the welding guns are movably connected to the two sides of the upper part of the rack, the clamping shoe is horizontally connected to the upper part of the rack in a sliding manner, the clamping shoe is arranged in an n shape, and the pressing plate is arranged on the clamping shoe. The pressing plate is horizontally connected to the upper portion of the rack in a sliding mode, the clamping boot and the pressing plate are used for clamping long angle iron, the two clamping plates are horizontally connected to the rack in a sliding mode, the two clamping plates are used for clamping short angle iron, and the clamped long angle iron is located in the center of the clamped short angle iron. According to the utility model, the clamped long angle iron is centered and positioned at the central position of the clamped short angle iron, the centering, positioning and clamping operations are fully automatic, personal errors are eliminated, the perpendicularity and symmetry of the T-shaped bracket are fundamentally ensured, and the product quality is stable and consistent.

The utility model provides a kind of three-dimensional compression bag 1, 4, comprising: sealed cavity: by top layer 51, 61, bottom layer 52, 62 and peripheral surface layer 53, or symmetrical side layer 63A, 63B are enclosed and sealed connection formation;Wherein, the peripheral surface layer 53 is sequentially arranged between the top layer 51 and the bottom layer 52 around;Or the side layer 63A, 63B is symmetrically distributed in the top layer 61 and the bottom layer 62 two sides, the top layer 61 extends to the bottom layer 62 around connection;Peripheral surface layer 53 in the utility model is sequentially constituted with a surface layer material, so when sealing assembly is arranged in peripheral surface layer 53, air-tight zipper 2 can be arranged in at least two sides, so that air compression bag opening is more open, and it is convenient for user to take and place article.

This invention discloses a nuclear magnetic resonance (NMR) method for measuring the solid phase deposition of crude oil in porous media, belonging to the field of oil and gas reservoir development technology. By using a single saturation of crude oil in a core sample and leveraging the characteristics of online NMR technology, the method employs a comparison of experimental and NMR measurements, along with a 1:1 standard line reference, to determine the standard echo interval T in the transverse relaxation time T2 measurement acquisition parameters. E This method directly measures the amount of solid phase deposition in pore fluids in situ, solving the technical problems of existing technologies that cannot maintain the original characteristics of the sample, effectively avoid the interference of solid skeleton response and solid phase deposition particles, and are difficult to measure the solid phase deposition content of active oil in situ. It achieves the technical effect of rapid, efficient and accurate measurement of the amount of crude oil solid phase precipitation in cores under specific temperature and pressure conditions. The method is reliable in principle, simple to operate and highly applicable, and the test results are accurate and reliable, making it more suitable for the fine characterization needs of complex oil and gas reservoirs.

The application discloses a kind of contrast injection equipment push rod calibration tool, including contrast injection equipment body, still include: calibration cylinder, be located on contrast injection equipment body, and the push rod is movably connected in calibration cylinder, and the push rod is abutted and connected with calibration piece, and drive piece is arranged between the push rod and calibration cylinder, and the drive piece is used to make push rod and different length calibration piece butt joint;Clamping assembly is located at the top of calibration cylinder, for forming the connection between calibration piece and calibration cylinder, to facilitate push rod to push calibration piece to move, solve the problem that calibration in the prior art is influenced by artificial, needle cylinder, equipment itself machining error and other factors calibration data, realize the purpose that calibration equipment is simple and accurate.

The utility model belongs to the technical field of detection, particularly relates to a steering knuckle angle precision detection gauge, and aims to solve the problems that a conventional detection method depends on manpower, is time-consuming and labor-consuming, is poor in detection precision and consistency, is inconvenient to adapt to steering knuckles of various specifications, is not good enough in use flexibility and the like. A base plate is fixedly mounted at the top of the bottom plate, a placing hole is formed in the top of the base plate, and the base plate is used for placing the steering knuckle through the placing hole; according to the steering knuckle detection tool, through the ingenious design of the sliding groove, the moving rod and the like, flexible adjustment of the protractor and the identification plate is achieved, the operation difficulty is reduced, high precision of angle measurement is ensured, meanwhile, through the design of the clamping blocks of multiple specifications at the bottom of the clamping base and the combination of the adjusting mechanism, the angle measurement accuracy is improved, and the detection accuracy is improved. The detection tool can be widely adapted to different knuckles, and the versatility and flexibility of the detection tool are enhanced.

The invention discloses a single crystal blade orientation detection method and system based on LIBS characteristic spectral response, and the method comprises the steps: building a standard characteristic spectral data set matched with orientation difference through EBSD gold standard, aligning a to-be-detected blade with coordinates of a three-dimensional digital twin model, and planning a gridding scanning path; the method comprises the following steps: collecting original spectrums and space coordinates of all detection units through LIBS in-situ scanning, preprocessing the spectrums, calculating the actual area of each spectrum interval based on the linear positive correlation between the spectrum intensity and the grain boundary area, mapping the result to a digital twinborn model to complete three-color visual calibration, and finally calculating the overall anomaly rate to judge the qualification of the blade. According to the invention, in-situ nondestructive and full-surface accurate quantitative detection of the single crystal blade is realized, the detection result is visualized in real time, the judgment logic is scientific, a modular automatic detection system is constructed, the system is adaptive to industrial batch online detection of aviation single crystal blades, and the problems of low detection efficiency, non-visualized result and difficulty in industrial application in the prior art are solved.

The invention discloses a geological three-dimensional model source data evaluation method, and relates to the technical field of geological models, and the method comprises the steps: obtaining a drilling data point set and grid system parameters, mapping drilling data points to a grid system, and obtaining a grid coverage statistical result; according to a grid coverage statistical result, calculating transverse and longitudinal distribution indexes, and performing distribution rationality evaluation processing to obtain a source data spatial distribution coefficient; based on the source data space distribution coefficient and the grid system parameters, obtaining a root-mean-square error precision report by calculating the shortest distance from the control point to the surface of the grid system; according to the root-mean-square error precision report and the grid system parameters, whether a blank zone exists in the geologic model or not is checked, a model integrity coefficient is calculated, and a final quality evaluation result is obtained. The invention provides a geological three-dimensional model source data evaluation method, and aims to solve the problem of inaccurate model blank zone detection caused by one-sided distribution evaluation and neglecting of vertical resolution and spatial correlation in the prior art.