33results about How to "Avoid retesting" patented technology

The invention discloses a method and device for detecting a lens stain. The method comprises a step of selecting an interest area of an image, and selecting a test unit in the interest area, a step of obtaining the test pixel in each test unit and the brightness value of each reference pixel, and calculating the average brightness value of the test pixel in each test unit and the reference pixel and the variance of the brightness value, a step of comparing the variance and the variance threshold corresponding to the average brightness value obtained in advance, if the variance is larger than the variance threshold, judging the test pixel in the test unit as a stain, and outputting the pixel position of the stain. For an image which is gradually darkened in a radiating form from a center to an edge, the variance threshold corresponding to the center area with high brightness is smaller than the variance threshold corresponding to an edge area with low brightness, the slight stain of the center area can be easily detected, the edge area with a large variance is not wrongly judged as a stain, and the accuracy and efficiency of a test are improved.

The invention discloses a device for exposed radiographic testing of a circumferential weld joint of an annular workpiece. The device comprises a device frame and an X-ray emitting and aligning device and a workpiece containing table which are installed on the device frame; the device frame mainly comprises a door-shaped frame fixed on a base frame, a lifting rack installed on the door-shaped frame through a guide rail pair, a motor driving mechanism used for driving the lifting rack to vertically move, a hang-bearing cross beam installed on the lifting rack and a lower telescopic rod frame installed on the hang-bearing cross beam; the X-ray emitting and aligning device is composed of an X-ray tube and an infrared aligner located under the X-ray tube, and the infrared aligner is provided with more than four infrared emitters, wherein more than three infrared emitters are located in the different radius directions of the same horizontal plane of infrared emitter bodies, and one infrared emitter is located at the central axis perpendicular to the infrared emitter bodies located in the horizontal plane; the workpiece containing table is provided with a center mark and workpiece marks used for installing. The device has the advantages of being high in detection precision and efficiency.

The invention discloses a method and device for detecting a lens stain. The method comprises a step of selecting an interest area of an image, and selecting a test unit in the interest area, a step of obtaining the test pixel in each test unit and the brightness value of each reference pixel, and calculating the average brightness value of the test pixel in each test unit and the reference pixel and the variance of the brightness value, a step of comparing the variance and the variance threshold corresponding to the average brightness value obtained in advance, if the variance is larger than the variance threshold, judging the test pixel in the test unit as a stain, and outputting the pixel position of the stain. For an image which is gradually darkened in a radiating form from a center to an edge, the variance threshold corresponding to the center area with high brightness is smaller than the variance threshold corresponding to an edge area with low brightness, the slight stain of the center area can be easily detected, the edge area with a large variance is not wrongly judged as a stain, and the accuracy and efficiency of a test are improved.

The invention relates to a disaster relief triage processing device which is composed of an input device, a display device, an alarm device, a signal colleting device, a communication port and a signal processing device. The signal processing device comprises a storage device, a data collecting device, a first data processing device and a data forwarding device, wherein the data collecting device is used for converting wounded injury data collected by the signal colleting device and various instruments in a disaster relief site to be in a standard data format and transmitting the wounded injury data to the storage device for storing and is also used for receiving setting data; the data colleting device comprises an objective data colleting device and a basic data colleting device; the first data processing device is used for processing associated data collected in the disaster site to form suggestion data; the first data processing device comprises a first data type identifying device, a first data weighting device and a first data synthesizing device; and the data forwarding device is used for responding data requests in the outside of the disaster relief triage processing device and sending signals to the display device and the alarm device. The invention also provides a method for carrying out data processing by utilizing the disaster relief triage processing device.

The present invention provides a method, system and medium for optimizing the blocking of impurity band detector noise. Firstly, through numerical simulation and data fitting, the spectral density of the detector noise is related to different thicknesses of the barrier layer under a specific working bias voltage and a specific working temperature. According to the functional formula and the designed noise spectral density, the corresponding customized barrier layer thickness is extracted, and the detector manufactured according to the barrier layer thickness can make the noise spectral density meet the design requirements. The advantage of this method is that the relationship between the noise spectral density and the thickness of the barrier layer can be extracted from the barrier impurity band detectors obtained by different material systems and different process conditions, and the customized barrier layer thickness under specific working bias voltage and specific working temperature can be obtained. , the noise spectral density of the detector thus designed and produced will meet the design requirements, avoiding repeated test strips in order to optimize the design of the detector noise, greatly shortening the detector development cycle and reducing the development cost.

The present invention proposes a method and device for acquiring battery performance parameters, wherein the method includes: acquiring the first mapping relationship between the standard state of charge SOC and the displayed SOC; acquiring the first displayed SOC currently displayed on the screen; according to the first displaying the SOC and the first mapping relationship, acquiring a first standard SOC corresponding to the first displaying SOC; querying a second mapping relationship between the standard SOC and battery performance parameters according to the first standard SOC, Acquiring and displaying battery performance parameters corresponding to the first standard SOC. Through this method, the tested data can be fully utilized to realize the flexible calculation of SOC-related performance parameters under the condition of only performing a performance parameter test according to the standard test conditions, avoiding retesting for different use intervals, and reducing test resources consumption, which solves the technical problem in the prior art that the performance parameters are retested every time the available capacity window changes, consuming huge testing resources.

The invention discloses an i-angle monitoring device for a level gauge. According to the i-angle monitoring device, the leveling precision, reliability and efficiency can be improved. The i-angle monitoring device is provided with a level gauge collimation axis gesture signal sensor and a horizontal sightline automatic compensator pendulum mass displacement signal sensor which are connected with a data processing controller (8), wherein an output of the data processing controller (8) is connected with a warning device (10) through a warning driving circuit (9), and the horizontal sightline automatic compensator pendulum mass displacement signal sensor can be a first light source (1) and a first image collecting device (2) which are arranged on the opposite surface of a horizontal sightline automatic compensator pendulum mass.

The invention provides a rapid detection method for disengagement degree of a gap and a liquid injection device, belonging to the field of steel rail detection equipment. The rapid detection method for the disengagement degree of the gap is used for detecting the disengagement degree of a gap between track structural layers and comprises the following steps: measuring the width b of the gap; alongthe length direction of the gap, embedding a liquid injection pipe into the interior of the gap, and sealing the gap along the length direction of the gap, wherein an observation hole is also arranged above the gap; filling the interior of the gap, after liquid flows out the observation hole, stopping filling, and metering volume V of the liquid injected into the gap; calculating the area S1 of the gap according to a formula that S1=V / b; and calculating the disengagement degree N of the gap by virtue of the area S of a track board according to a formula that N=S1 / S*100%. By adopting the rapiddetection method for the disengagement degree of the gap and the liquid injection device, detection accuracy can be improved, and the cost of manpower and material resources can be reduced.

The invention provides a logical judgment method and a logical judgment device which are capable of simplifying the logical judgment, improving the efficiency of the logical judgment and being good for lowering the power consumption of movable terminal equipment. The logical judgment method comprises the steps that when a current target needs to be subjected to first judgment, a judgment function is invoked to conduct the logical judgment on the current target, and the judgment result is obtained; the judgment function is rewritten after the first judgment obtains the judgment result, and the function of the rewritten function is directly returned to the judgment result of the first judgment; the rewritten judgment function is invoked when the current target is needed to be judged again.

Provided is a novel level gauge with an i angle detection function, which can improve the leveling accuracy, reliability and efficiency. The level gauge comprises a shell (1), wherein an object lens (2), a focusing lens (3), an automatic horizontal sight line compensator (4), a light splitter (5), a cross hair reticle (6) and an eye lens (7) which have the same center line and are sequentially arranged inside the shell (1) from inside to outside. An electronic reader (8), a display and control terminal (9) and a first power supply (10) are further arranged on the shell (1). A level (11) is arranged on the outer side surface of the shell (1). A built-in light source (13), a scattering glass (14), a vertical transparent microcoded ruler (15) and a convex lens (16) which have the same center line are sequentially arranged on the other side of the object lens (2) from a far side to a near side. The built-in light source (13), the scattering glass (14), the vertical transparent microcoded ruler (15), the convex lens (16), the object lens (2) and the eye lens (7) form the same light path. An alarm device (18) is connected with the display and control terminal (9).

The invention relates to a detection device, in particular to a pressure bearing detection device which comprises a first recovery channel, one side of the first recovery channel is communicated withan inner ring detection channel, the other side of the first recovery channel is provided with a discharge channel, the discharging channel is communicated with the inner ring detection channel, a first valve plate is hinged to the communicating part of the discharging channel and the inner ring detection channel; a detection block is arranged on the outer side of the inner ring detection channelin a sliding mode, the detection block is connected with a first supporting rod, a first magnet is arranged on the first supporting rod, a sliding rail is arranged on one side of the first supportingrod, a second supporting rod parallel to the first supporting rod is arranged on the sliding rail in a sliding mode, and a second magnet is connected to one side, facing the first supporting rod, of the second supporting rod, the magnetism of the second magnet is opposite to that of the first magnet, the other side of the second supporting rod is connected with a rope, and the rope is connected with the free end of the first valve plate. The problem that the bearing detection cannot be continuously carried out in the prior art is solved.

The invention discloses a device for exposed radiographic testing of a circumferential weld joint of an annular workpiece. The device comprises a device frame and an X-ray emitting and aligning device and a workpiece containing table which are installed on the device frame; the device frame mainly comprises a door-shaped frame fixed on a base frame, a lifting rack installed on the door-shaped frame through a guide rail pair, a motor driving mechanism used for driving the lifting rack to vertically move, a hang-bearing cross beam installed on the lifting rack and a lower telescopic rod frame installed on the hang-bearing cross beam; the X-ray emitting and aligning device is composed of an X-ray tube and an infrared aligner located under the X-ray tube, and the infrared aligner is provided with more than four infrared emitters, wherein more than three infrared emitters are located in the different radius directions of the same horizontal plane of infrared emitter bodies, and one infrared emitter is located at the central axis perpendicular to the infrared emitter bodies located in the horizontal plane; the workpiece containing table is provided with a center mark and workpiece marks used for installing. The device has the advantages of being high in detection precision and efficiency.

The invention provides a method for optimizing blocked impurity band terahertz detector response bandwidth. The method comprises the steps that firstly a function expression of detector response bandwidth about different absorption layer thickness is obtained through numerical simulation and data fitting, and then the optimal absorption layer thickness is extracted according to the function expression and the designed optimal response bandwidth so that the detector response bandwidth is enabled to be optimal by a blocked impurity band detector manufactured according to the thickness. The advantages of the method are that the corresponding optimal absorption layer thickness can be extracted for the blocked impurity band detector obtained by different material systems and different process conditions, and the designed and manufactured detector response bandwidth has the optimal value so that repeated testing for optimizing the response bandwidth can be avoided, and the research and development period can be greatly shortened and the research and development cost can be reduced.