CN115575158A - Low-loss phase-stable coaxial cable layered structure layout judgment system and method - Google Patents
Low-loss phase-stable coaxial cable layered structure layout judgment system and method Download PDFInfo
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Abstract
The invention relates to a low-loss phase-stable coaxial cable layered structure layout judgment system, which comprises: the cable production mechanism is used for producing each low-loss phase-stable coaxial cable with fixed length and a multilayer structure piece by piece; and the layering identification part is used for sending a non-layering signal when the covariance of the horizontal coordinate values and the vertical coordinate values of the reference pixel points corresponding to the ring areas in the picture is larger than or equal to a set covariance threshold value. The invention also relates to a method for judging the layout of the layered structure of the low-loss phase-stable coaxial cable. The system and the method for judging the low-loss phase-stable coaxial cable hierarchical structure layout are compact in design and reliable in logic. On the basis of adopting an analysis mechanism of pixel gradient values to detect all edge pixels of a cable section, the covariance of the horizontal coordinate and the vertical coordinate of the central pixel of the multilayer circular ring structure is determined, so that the pertinence analysis of the uniformity degree of the multilayer structure layout of the cable is realized.
Description
Technical Field
The invention relates to the field of low-loss phase-stable coaxial cables, in particular to a system and a method for judging the layout of a layered structure of a low-loss phase-stable coaxial cable.
Background
The low-loss phase-stable coaxial cable has the characteristics of wide use frequency band, good uniformity, stable phase, good flexibility, moisture resistance, electromagnetic interference resistance, acid and alkali oil resistance, organic solvent corrosion resistance and the like, and is mainly used for high-frequency signal transmission in electronic systems of communication, tracking, guidance, warning and the like of weaponry.
The low-loss phase-stable coaxial cable usually has a multilayer structure to improve various performances of a cable product, however, in an actual production process, due to accidental defects of a production process or errors of manual operation or birth defects of raw materials, the multilayer structure layout of the low-loss phase-stable coaxial cable is not uniform, which is shown in that, because the multilayer structure of the low-loss phase-stable coaxial cable in an ideal state is a plurality of concentric ring structures, however, in the actual production process, a plurality of centers of the plurality of ring structures respectively corresponding to the multilayer structure of the produced low-loss phase-stable coaxial cable have serious position deviation, so that the plurality of centers of the plurality of ring structures cannot be located at the same point or even in the same area, thereby seriously affecting the quality of a fabric layer of the low-loss phase-stable coaxial cable and seriously affecting various performances of the cable product.
The application publication No. CN114942181A discloses a method for detecting performance of a coaxial cable, which comprises the steps of loosening a fixing nut, adjusting four groups of clamps, enabling a cable body to penetrate through a sleeve, fixing the cable body by utilizing the clamps, locking the fixing nut, driving two groups of sleeves to rotate in opposite directions by a first motor when torsion resistance detection is required, driving two sections of the cable body to rotate in opposite directions under the action of clamp fastening, further detecting the torsion resistance of the cable body, loosening the fixing knob when detecting the tensile strength and the frequent bending resistance of the cable body, pushing a bearing plate downwards to drive the fixing plate to slide downwards on the surface of a limiting rod, ensuring the stability of the whole structure in the adjusting process by the limiting rod, tightening the fixing knob after the adjustment is completed, driving the fixing plate to descend under the action of a second motor, pressing down the cable body by an extrusion rod, and detecting the tensile strength and frequent bending resistance of the cable body.
Patent application with application publication number CN114883053A discloses a coaxial cable manufacturing process and equipment, which comprises a bottom plate; the top surface of the bottom plate is connected with a pair of supporting plates, the surface of one supporting plate is provided with a motor, the output end of the motor is connected with a rotating rod, the rotating rod is provided with a winding drum, the outer ring side wall of the winding drum is provided with a plurality of groups of grooves, the outer end of the side wall of each groove is connected with a bulged elastic membrane, an elastic part is connected between each elastic membrane and the inner end of each groove, and the surface of each elastic membrane is provided with a plurality of air outlets; the invention can blow the side wall of the winding drum by extruding the elastic film through the cable body and blow off impurities adhered to the surface of the elastic film, thereby reducing the situation that the cable body is deformed and broken due to rigid extrusion with the impurities on the side wall of the winding drum in the winding process, and meanwhile, the structure utilizes the winding of the cable body as a driving force without additionally arranging an electric air injection cleaning device, thereby leading the equipment to be more energy-saving.
The patent application with application publication number CN103871676A discloses a novel coaxial cable, which comprises a conductor, a special insulating layer, an electromagnetic shielding layer and an outer sheath from inside to outside, wherein the special insulating layer is coated on the conductor, the electromagnetic shielding layer is tightly buckled on the special insulating layer, and the outer sheath is coated on the electromagnetic shielding layer. The coaxial cable has the advantages of simple structure, novel material and high mechanical strength, and not only has excellent electrical insulation performance and flame retardant performance, but also has excellent electromagnetic shielding performance.
As can be seen from the above published patent applications, the prior art only provides a process for manufacturing a coaxial cable with excellent performance and a method for detecting the performance of the coaxial cable, and does not analyze the layout of the multi-layer structure of the coaxial cable.
At present, a low-loss phase-stable coaxial cable layered structure layout judgment mechanism is expected, which can analyze the uniformity of the low-loss phase-stable coaxial cable layered structure layout.
Disclosure of Invention
In order to solve the technical problems in the related field, the invention provides a system and a method for judging the hierarchical structure layout of a low-loss phase-stable coaxial cable, which can detect each edge pixel point of the section of the low-loss phase-stable coaxial cable by adopting an analysis mechanism of pixel point gradient values, provide reliable data for the analysis of a multilayer circular ring structure, and more importantly, realize the analysis of the uniformity degree of the hierarchical structure layout of the low-loss phase-stable coaxial cable by adopting the covariance of the horizontal coordinate and the vertical coordinate of the central pixel point of the multilayer circular ring structure, thereby effectively maintaining various performances of cable products.
According to an aspect of the present invention, there is provided a system for determining a hierarchical arrangement of a low-loss phase-stable coaxial cable, the system comprising:
the cable production mechanism is used for producing each low-loss phase-stable coaxial cable with fixed length piece by piece, each low-loss phase-stable coaxial cable comprises a multilayer structure, and the multilayer structure sequentially comprises an inner conductor, a PE foamed insulating layer, a polytetrafluoroethylene film lapping layer, a silver-plated copper strip lapping layer, a silver-plated wire braid layer and a sheath from inside to outside;
the random selection mechanism is connected with the cable production mechanism and used for randomly selecting a single low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of a random function to serve as a target cable;
the section acquisition mechanism is connected with the random selection mechanism and is used for cutting the section of the target cable output by the cable production mechanism after the target cable is selected by the random selection mechanism;
the orientation capturing component is connected with the section acquiring mechanism and is used for carrying out image data capturing operation on the section of the target cable so as to acquire a section scene picture;
the signal optimization component is connected with the directional capturing component and is used for performing signal optimization actions of various levels of salt and pepper noise elimination, contrast improvement and clarification processing on the sequence of the received cross-section scene picture so as to obtain a step-by-step optimized picture;
the edge detection part is connected with the signal optimization part and is used for detecting each edge pixel point in the received step-by-step optimization picture based on the gradient value of the pixel point and fitting each edge pixel point in the step-by-step optimization picture into a plurality of circular ring areas in the step-by-step optimization picture;
and the layering identification component is connected with the edge detection component and is used for acquiring a pixel point at the central position of each circular ring area in the received step-by-step optimization picture as a reference pixel point, acquiring a horizontal coordinate value and a vertical coordinate value of the reference pixel point, and sending a layering unevenness signal when the covariance of the horizontal coordinate value and the vertical coordinate value of a plurality of reference pixel points respectively corresponding to a plurality of circular ring areas in the step-by-step optimization picture is more than or equal to a set covariance threshold value.
According to another aspect of the present invention, there is also provided a method for determining a hierarchical structure layout of a low-loss phase-stable coaxial cable, the method including:
the method comprises the following steps that a cable production mechanism is used for producing each low-loss phase-stable coaxial cable with fixed length piece by piece, each low-loss phase-stable coaxial cable comprises a multilayer structure, and the multilayer structure sequentially comprises an inner conductor, a PE foamed insulating layer, a polytetrafluoroethylene film lapping layer, a silver-plated copper strip lapping layer, a silver-plated wire weaving layer and a sheath from inside to outside;
a random selection mechanism is used, is connected with the cable production mechanism and is used for randomly selecting a single low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of a random function to serve as a target cable;
the cross section acquisition mechanism is connected with the random selection mechanism and is used for cutting the cross section of the target cable output by the cable production mechanism after the random selection mechanism finishes the selection of the target cable;
using an orientation capture component, connected with the section acquisition mechanism, for performing an image data capture operation on the section of the target cable to acquire a section scene picture;
the signal optimizing component is connected with the directional capturing component and used for performing signal optimizing actions of various levels of salt and pepper noise elimination, contrast improvement and clarification processing on the sequence of the received cross-section scene picture so as to obtain a step-by-step optimized picture;
using an edge detection part connected with the signal optimization part and used for detecting each edge pixel point in the received step-by-step optimization picture based on the gradient value of the pixel point and fitting each edge pixel point in the step-by-step optimization picture into a plurality of circular ring areas in the step-by-step optimization picture;
and the hierarchical identification component is connected with the edge detection component and is used for acquiring a pixel point at the central position of each circular ring region in the received step-by-step optimization picture as a reference pixel point, acquiring a horizontal coordinate value and a vertical coordinate value of the reference pixel point, and sending a non-hierarchical signal when the covariance of the horizontal coordinate value and the vertical coordinate value of a plurality of reference pixel points respectively corresponding to a plurality of circular ring regions in the step-by-step optimization picture is more than or equal to a set covariance threshold value.
The low-loss phase-stable coaxial cable layered structure layout judgment system and method are compact in design and reliable in logic. The covariance of the horizontal coordinate and the vertical coordinate of the central pixel point of the multilayer circular ring structure can be determined on the basis of detecting each edge pixel point of the cable section by adopting an analysis mechanism of the gradient values of the pixel points, so that the aim of analyzing the uniformity of the multilayer structure layout of the cable is realized.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a schematic cross-sectional layout view of a low-loss phase-stable coaxial cable according to various embodiments of the present invention, wherein the system and the method for determining a layered structure layout of a low-loss phase-stable coaxial cable are shown.
Fig. 2 is a block diagram showing a low-loss phase-stable coaxial cable layered structure layout determination system according to embodiment 1 of the present invention.
Fig. 3 is a block diagram showing a low-loss phase-stable coaxial cable layered structure layout determination system according to embodiment 2 of the present invention.
Fig. 4 is a flowchart illustrating steps of a method for determining a low-loss phase-stable coaxial cable layered structure layout according to embodiment 3 of the present invention.
Detailed Description
Embodiments of the low-loss phase-stable coaxial cable layered structure layout determination system and method of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic cross-sectional layout view of a low-loss phase-stable coaxial cable according to various embodiments of the present invention, wherein the system and the method for determining a layered structure layout of a low-loss phase-stable coaxial cable are shown.
As shown in fig. 1, in the layered structure presented by the cross section of the low-loss phase-stable coaxial cable, an inner conductor 1, a PE foam insulation layer 2, a teflon film wrapping layer 3, a silver-plated copper tape wrapping layer 4, a silver-plated wire braid layer 5 and a sheath 6 are respectively arranged from inside to outside.
Theoretically, in a layered structure presented by the section of the low-loss phase-stable coaxial cable with the optimal layered layout quality, the circle centers of six circular rings respectively formed by the inner conductor, the PE foamed insulating layer, the polytetrafluoroethylene film wrapping layer, the silver-plated copper strip wrapping layer, the silver-plated wire weaving layer and the sheath are the same point;
even in a non-ideal state, a reliable layout quality, low loss and stable phase coaxial cable with a layered structure presented by a section, the circle centers of six circular rings respectively formed by an inner conductor, a PE foamed insulating layer, a polytetrafluoroethylene film wrapping layer, a silver-plated copper strip wrapping layer, a silver-plated wire braiding layer and a sheath should be slightly deviated, for example, should be concentrated in a tiny area.
Under the condition of poor layout quality, in the layered structure presented by the section of the low-loss phase-stable coaxial cable, the circle centers of six circular ring bodies respectively formed by the inner conductor, the PE foamed insulating layer, the polytetrafluoroethylene film wrapping layer, the silver-plated copper strip wrapping layer, the silver-plated wire weaving layer and the sheath present a layout state with dispersed arrangement and wider coverage area.
Fig. 2 is a block diagram showing a system for determining a hierarchical arrangement of a low-loss phase-stabilized coaxial cable according to embodiment 1 of the present invention, where the system includes:
the cable production mechanism is used for producing each low-loss phase-stable coaxial cable with fixed length piece by piece, and each low-loss phase-stable coaxial cable comprises a multilayer structure which sequentially comprises an inner conductor, a PE foamed insulating layer, a polytetrafluoroethylene film lapping layer, a silver-plated copper strip lapping layer, a silver-plated wire weaving layer and a sheath from inside to outside;
the random selection mechanism is connected with the cable production mechanism and used for randomly selecting a single low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of a random function to serve as a target cable;
the cross section acquisition mechanism is connected with the random selection mechanism and is used for cutting the cross section of the target cable output by the cable production mechanism after the random selection mechanism finishes the selection of the target cable;
the orientation capturing component is connected with the section acquiring mechanism and is used for carrying out image data capturing operation on the section of the target cable so as to acquire a section scene picture;
the signal optimization component is connected with the directional capturing component and is used for performing signal optimization actions of various levels of salt and pepper noise elimination, contrast improvement and clarification processing on the sequence of the received cross-section scene picture so as to obtain a step-by-step optimized picture;
the edge detection part is connected with the signal optimization part and used for detecting each edge pixel point in the received step-by-step optimization picture based on the gradient value of the pixel point and fitting each edge pixel point in the step-by-step optimization picture into a plurality of circular ring areas in the step-by-step optimization picture;
the hierarchical identification component is connected with the edge detection component and is used for acquiring a pixel point at the central position of each ring area in a received progressive optimization picture as a reference pixel point, acquiring a horizontal coordinate value and a vertical coordinate value of the reference pixel point, and sending a non-hierarchical signal when the covariance of the horizontal coordinate value and the vertical coordinate value of a plurality of reference pixel points respectively corresponding to a plurality of ring areas in the progressive optimization picture is more than or equal to a set covariance threshold;
the pixel point at the lower left corner of the step-by-step optimization picture can be selected as an origin of a plane coordinate system according to needs, the pixel at the leftmost side of the step-by-step optimization picture is arranged in the forward direction of a vertical coordinate axis, the pixel at the bottommost side of the step-by-step optimization picture is arranged in the forward direction of a horizontal coordinate axis, the plane coordinate system of the step-by-step optimization picture is established, and therefore the pixel point at the central position of each circular ring area in the received step-by-step optimization picture is obtained to serve as a reference pixel point and the horizontal coordinate value and the vertical coordinate value of the reference pixel point are obtained;
meanwhile, the pixel point at the lower right corner of the step-by-step optimization picture can be selected as the origin of a plane coordinate system according to needs, the pixel at the rightmost side of the step-by-step optimization picture is listed as the positive direction of a vertical coordinate axis, the pixel at the bottommost part of the step-by-step optimization picture is taken as the negative direction of a horizontal coordinate axis, the plane coordinate system of the step-by-step optimization picture is established, and therefore the pixel point at the central position of each circular ring area in the received step-by-step optimization picture is obtained to serve as a reference pixel point, and the horizontal coordinate value and the vertical coordinate value of the reference pixel point are obtained.
Fig. 3 is a block diagram of a system for determining a layered structure layout of a low-loss phase-stabilized coaxial cable according to embodiment 2 of the present invention, where the system includes:
the cable production mechanism is used for producing each low-loss phase-stable coaxial cable with fixed length piece by piece, and each low-loss phase-stable coaxial cable comprises a multilayer structure which sequentially comprises an inner conductor, a PE foamed insulating layer, a polytetrafluoroethylene film lapping layer, a silver-plated copper strip lapping layer, a silver-plated wire weaving layer and a sheath from inside to outside;
the random selection mechanism is connected with the cable production mechanism and used for randomly selecting a single low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of a random function to serve as a target cable;
the section acquisition mechanism is connected with the random selection mechanism and is used for cutting the section of the target cable output by the cable production mechanism after the target cable is selected by the random selection mechanism;
the orientation capturing component is connected with the section acquiring mechanism and is used for carrying out image data capturing operation on the section of the target cable so as to acquire a section scene picture;
the signal optimization component is connected with the directional capturing component and is used for performing signal optimization actions of various levels of salt and pepper noise elimination, contrast improvement and clarification processing on the sequence of the received cross-section scene picture so as to obtain a step-by-step optimized picture;
the edge detection part is connected with the signal optimization part and is used for detecting each edge pixel point in the received step-by-step optimization picture based on the gradient value of the pixel point and fitting each edge pixel point in the step-by-step optimization picture into a plurality of circular ring areas in the step-by-step optimization picture;
the hierarchical identification component is connected with the edge detection component and is used for acquiring a pixel point at the central position of each circular ring area in the received step-by-step optimization picture as a reference pixel point, acquiring a horizontal coordinate value and a vertical coordinate value of the reference pixel point, and sending a non-hierarchical signal when the covariance of the horizontal coordinate value and the vertical coordinate value of a plurality of reference pixel points respectively corresponding to a plurality of circular ring areas in the step-by-step optimization picture is more than or equal to a set covariance threshold value;
the field alarm component is connected with the layering identification component and is used for executing field alarm operation on uneven layering structures of all low-loss stable-phase coaxial cables in the current batch when receiving a layering unevenness signal;
the field alarm component can be selected to be a photoelectric alarm mechanism or a voice alarm mechanism;
the hierarchical identification component is further used for sending a hierarchical uniform signal when the covariance of the horizontal coordinate values and the vertical coordinate values of a plurality of reference pixel points respectively corresponding to a plurality of circular ring regions in the progressive optimization picture is smaller than the set covariance threshold;
and the field alarm component is also used for stopping executing field alarm operation on uneven layered structures of all the low-loss stable-phase coaxial cables in the current batch when receiving the layered uniform signals.
In the low-loss phase-stable coaxial cable layered structure layout determination system according to any of the above embodiments:
detecting each edge pixel point in the received step-by-step optimized picture based on the gradient values of the pixel points, and fitting each edge pixel point in the step-by-step optimized picture into a plurality of circular ring areas, wherein the circular ring areas comprise: regarding each pixel point in the step-by-step optimization picture as a target pixel point, regarding the target pixel point and a plurality of pixel points around the target pixel point as each pixel point, and determining the gradient value of the target pixel point based on the mean square error of each pixel value corresponding to each pixel point;
wherein determining the gradient value of the target pixel point based on the mean square error of each pixel value corresponding to each pixel point comprises: the larger the mean square error of each pixel value corresponding to each pixel point is, the larger the gradient value of the target pixel point is determined to be;
wherein, detecting each border pixel point in the received step-by-step optimized picture based on the gradient values of the pixels comprises: when the gradient value of a certain pixel point is larger than or equal to a set gradient threshold value, taking the pixel point as an edge pixel point in a step-by-step optimized picture;
wherein, each border pixel point in the optimization picture step by step that gradient value based on pixel detects and receives still includes: when the gradient value of a certain pixel point is smaller than the set gradient threshold value, taking the pixel point as a non-edge pixel point in a step-by-step optimization picture;
wherein the signal optimization component comprises a picture receiving subcomponent, a noise cancellation subcomponent, a content enhancement subcomponent, a sharpness processing subcomponent and a picture output subcomponent;
wherein the picture receiving subcomponent is connected with the orientation capture component and the noise cancellation subcomponent respectively, the sharpness processing subcomponent is connected with the content promotion subcomponent and the picture output subcomponent respectively, and the noise cancellation subcomponent is further connected with the content promotion subcomponent.
And in the low-loss phase-stable coaxial cable layered structure layout judgment system according to any of the embodiments above:
randomly selecting a single low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of the random function as a target cable comprises the following steps: each piece of low-loss stable-phase coaxial cable has different product numbers from small to large according to the sequence of production by the cable production mechanism;
wherein, the randomly selecting a single piece of low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of the random function as the target cable further comprises: when the output of the random function is the same as the product number of the low-loss stationary phase coaxial cable which is currently produced, taking the currently produced low-loss stationary phase coaxial cable as a randomly selected single-piece low-loss stationary phase coaxial cable;
wherein, the randomly selecting a single low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of the random function as the target cable further comprises: and when the output of the random function is different from the product number of the currently produced low-loss phase-stable coaxial cable, not taking the currently produced low-loss phase-stable coaxial cable as the randomly selected single-piece low-loss phase-stable coaxial cable.
Fig. 4 is a flowchart illustrating steps of a method for determining a hierarchical arrangement of a low-loss phase-stable coaxial cable according to embodiment 3 of the present invention, where the method includes:
step 401: the method comprises the following steps that a cable production mechanism is used for producing each low-loss phase-stable coaxial cable with fixed length piece by piece, wherein each low-loss phase-stable coaxial cable comprises a multilayer structure, and the multilayer structure sequentially comprises an inner conductor, a PE foamed insulating layer, a polytetrafluoroethylene film lapping layer, a silver-plated copper strip lapping layer, a silver-plated wire weaving layer and a sheath from inside to outside;
step 402: a random selection mechanism is used, is connected with the cable production mechanism and is used for randomly selecting a single low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of a random function to serve as a target cable;
step 403: the cross section acquisition mechanism is connected with the random selection mechanism and is used for cutting the cross section of the target cable output by the cable production mechanism after the random selection mechanism finishes the selection of the target cable;
step 404: using an orientation capture component, connected with the section acquisition mechanism, for performing an image data capture operation on the section of the target cable to acquire a section scene picture;
step 405: the signal optimizing component is connected with the directional capturing component and used for performing signal optimizing actions of various levels of salt and pepper noise elimination, contrast improvement and clarification processing on the sequence of the received cross-section scene picture so as to obtain a step-by-step optimized picture;
step 406: using an edge detection part connected with the signal optimization part and used for detecting each edge pixel point in the received step-by-step optimization picture based on the gradient values of the pixel points and fitting each edge pixel point in the step-by-step optimization picture into a plurality of circular ring areas in the step-by-step optimization picture;
step 407: a layering identification component is used and connected with the edge detection component and used for acquiring pixel points at the central position of each circular ring region in a received step-by-step optimization picture as reference pixel points, acquiring horizontal coordinate values and vertical coordinate values of the reference pixel points, and sending a layering unevenness signal when the covariance of the horizontal coordinate values and the vertical coordinate values of a plurality of reference pixel points respectively corresponding to a plurality of circular ring regions in the step-by-step optimization picture is more than or equal to a set covariance threshold;
the pixel point at the lower left corner of the step-by-step optimization picture can be selected as an origin of a plane coordinate system according to needs, the pixel at the leftmost side of the step-by-step optimization picture is arranged in the forward direction of a vertical coordinate axis, the pixel at the bottommost side of the step-by-step optimization picture is arranged in the forward direction of a horizontal coordinate axis, the plane coordinate system of the step-by-step optimization picture is established, and therefore the pixel point at the central position of each circular ring area in the received step-by-step optimization picture is obtained to serve as a reference pixel point and the horizontal coordinate value and the vertical coordinate value of the reference pixel point are obtained;
meanwhile, the pixel point at the lower right corner of the step-by-step optimized picture can be selected as the origin of a plane coordinate system according to needs, the pixel at the rightmost side of the step-by-step optimized picture is listed as the positive direction of a vertical coordinate axis, the pixel at the bottommost part of the step-by-step optimized picture is taken as the negative direction of a horizontal coordinate axis, the plane coordinate system of the step-by-step optimized picture is established, and therefore the pixel point at the central position of each circular ring area in the received step-by-step optimized picture is obtained to serve as a reference pixel point and the horizontal coordinate value and the vertical coordinate value of the reference pixel point are obtained.
The method for judging the low-loss stable-phase coaxial cable layered structure layout comprises the following steps:
the method comprises the following steps that a cable production mechanism is used for producing each low-loss phase-stable coaxial cable with fixed length piece by piece, wherein each low-loss phase-stable coaxial cable comprises a multilayer structure, and the multilayer structure sequentially comprises an inner conductor, a PE foamed insulating layer, a polytetrafluoroethylene film lapping layer, a silver-plated copper strip lapping layer, a silver-plated wire weaving layer and a sheath from inside to outside;
a random selection mechanism is used, is connected with the cable production mechanism and is used for randomly selecting a single low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of a random function to serve as a target cable;
a cross section acquisition mechanism is used and connected with the random selection mechanism and used for cutting the cross section of the target cable output by the cable production mechanism after the random selection mechanism finishes the selection of the target cable;
using an orientation capture component, connected with the section acquisition mechanism, for performing an image data capture operation on the section of the target cable to acquire a section scene picture;
the signal optimizing component is connected with the directional capturing component and used for performing signal optimizing actions of various levels of salt and pepper noise elimination, contrast improvement and clarification processing on the sequence of the received cross-section scene picture so as to obtain a step-by-step optimized picture;
using an edge detection part connected with the signal optimization part and used for detecting each edge pixel point in the received step-by-step optimization picture based on the gradient values of the pixel points and fitting each edge pixel point in the step-by-step optimization picture into a plurality of circular ring areas in the step-by-step optimization picture;
a layering identification component is used and connected with the edge detection component and used for acquiring pixel points at the central position of each ring area in a received step-by-step optimization picture as reference pixel points, acquiring horizontal coordinate values and vertical coordinate values of the reference pixel points, and sending a non-layering signal when the covariance of the horizontal coordinate values and the vertical coordinate values of a plurality of reference pixel points respectively corresponding to a plurality of ring areas in the step-by-step optimization picture is more than or equal to a set covariance threshold;
the using field alarming component is connected with the layering identification component and is used for executing the field alarming operation of uneven layering structure of each piece of low-loss stable-phase coaxial cable of the current batch when receiving the layering uneven signal;
the field alarm component can be selected to be a photoelectric alarm mechanism or a voice alarm mechanism;
the hierarchical identification component is further used for sending a hierarchical uniform signal when the covariance of the horizontal coordinate values and the vertical coordinate values of a plurality of reference pixel points respectively corresponding to a plurality of circular ring regions in the progressive optimization picture is smaller than the set covariance threshold;
and the field alarm part is also used for stopping executing the field alarm operation of uneven layered structure of each low-loss stable-phase coaxial cable of the current batch when receiving the layered uniform signal.
The method for judging the hierarchical structure layout of the low-loss phase-stable coaxial cable comprises the following steps:
detecting each edge pixel point in the received step-by-step optimized picture based on the gradient values of the pixel points, and fitting each edge pixel point in the step-by-step optimized picture into a plurality of circular ring areas, wherein the circular ring areas comprise: regarding each pixel point in the step-by-step optimization picture as a target pixel point, regarding the target pixel point and a plurality of pixel points around the target pixel point as each pixel point, and determining the gradient value of the target pixel point based on the mean square error of each pixel value corresponding to each pixel point;
wherein determining the gradient value of the target pixel point based on the mean square error of each pixel value corresponding to each pixel point comprises: the larger the mean square error of each pixel value corresponding to each pixel point is, the larger the gradient value of the target pixel point is determined to be.
The method for judging the hierarchical structure layout of the low-loss phase-stable coaxial cable comprises the following steps:
detecting each edge pixel point in the received step-by-step optimized picture based on the gradient values of the pixels comprises the following steps: when the gradient value of a certain pixel point is larger than or equal to a set gradient threshold value, taking the pixel point as an edge pixel point in a step-by-step optimized picture;
wherein, each border pixel point in the optimization picture step by step that gradient value based on pixel detects and receives still includes: when the gradient value of a certain pixel point is smaller than the set gradient threshold value, taking the pixel point as a non-edge pixel point in a step-by-step optimization picture;
wherein the signal optimization component comprises a picture receiving subcomponent, a noise cancellation subcomponent, a content enhancement subcomponent, a sharpness processing subcomponent and a picture output subcomponent;
wherein the picture receiving subcomponent is connected with the orientation capture component and the noise cancellation subcomponent respectively, the sharpness processing subcomponent is connected with the content enhancement subcomponent and the picture output subcomponent respectively, and the noise cancellation subcomponent is further connected with the content enhancement subcomponent.
And in the method for judging the low-loss phase-stable coaxial cable hierarchical structure layout:
randomly selecting a single low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of the random function as a target cable comprises the following steps: each low-loss stable-phase coaxial cable has different product numbers from small to large according to the sequence of production by the cable production mechanism;
wherein, the randomly selecting a single piece of low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of the random function as the target cable further comprises: when the output of the random function is the same as the product number of the low-loss stationary phase coaxial cable which is currently produced, taking the currently produced low-loss stationary phase coaxial cable as a randomly selected single-piece low-loss stationary phase coaxial cable;
wherein, the randomly selecting a single piece of low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of the random function as the target cable further comprises: and when the output of the random function is different from the product number of the currently produced low-loss phase-stable coaxial cable, not taking the currently produced low-loss phase-stable coaxial cable as the randomly selected single-piece low-loss phase-stable coaxial cable.
In addition, in the system and method for determining a low-loss phase-stabilized coaxial cable hierarchical structure layout, the noise cancellation subcomponent is configured to perform a salt and pepper noise cancellation operation on a received cross-sectional scene picture, the content enhancement subcomponent is configured to perform a contrast enhancement operation on a picture signal output by the noise cancellation subcomponent, and the sharpness processing subcomponent is configured to perform sharpness processing on the picture signal output by the content enhancement subcomponent.
Therefore, the invention has at least the following three beneficial technical effects:
firstly, identifying edge pixel points based on pixel point gradient values on a horizontal section of a cable aiming at low-loss stable-phase coaxial cables which are hierarchically arranged from inside to outside, and identifying whether circle centers of a plurality of rings fitted to the edge pixel points are consistent or not so as to judge that the cable hierarchical structure is uniform when the circle centers are consistent, or else, judging that the cable hierarchical structure is non-uniform;
secondly, in the identification of edge pixels of the gradient values of the pixels, taking the pixels as target pixels, taking the target pixels and a plurality of pixels around the target pixels as all the pixels, determining the gradient values of the target pixels based on the mean square deviations of the pixel values respectively corresponding to all the pixels, and taking the pixels as one edge pixel in a step-by-step optimization picture when the gradient value of a certain pixel is greater than or equal to a set gradient threshold;
and thirdly, a random selection mechanism based on a random function is adopted to carry out selective cable hierarchical structure layout uniformity judgment on the multiple low-loss phase-stable coaxial cables in the current batch, so that various limited on-site resources are saved.
In the foregoing specification, the invention has been described with reference to specific embodiments. However, one of ordinary skill in the art appreciates that various modifications and changes can be made without departing from the scope of the present invention as set forth in the claims below. Accordingly, the specification and figures are to be regarded in an illustrative rather than a restrictive sense, and all such modifications are intended to be included within the scope of present invention.
Benefits, other advantages, and solutions to problems have been described above with regard to specific embodiments. However, the benefits, advantages, solutions to problems, and any element(s) that may cause any benefit, advantage, or solution to occur or become more pronounced are not to be construed as a critical, required, or essential feature or element of any or all the claims. As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (10)
1. A system for determining a hierarchical arrangement of a low-loss phase-stabilized coaxial cable, the system comprising:
the cable production mechanism is used for producing each low-loss phase-stable coaxial cable with fixed length piece by piece, each low-loss phase-stable coaxial cable comprises a multilayer structure, and the multilayer structure sequentially comprises an inner conductor, a PE foamed insulating layer, a polytetrafluoroethylene film lapping layer, a silver-plated copper strip lapping layer, a silver-plated wire braid layer and a sheath from inside to outside;
the random selection mechanism is connected with the cable production mechanism and used for randomly selecting a single low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of a random function to serve as a target cable;
the cross section acquisition mechanism is connected with the random selection mechanism and is used for cutting the cross section of the target cable output by the cable production mechanism after the random selection mechanism finishes the selection of the target cable;
the orientation capturing component is connected with the section acquiring mechanism and is used for carrying out image data capturing operation on the section of the target cable so as to acquire a section scene picture;
the signal optimization component is connected with the directional capturing component and is used for performing signal optimization actions of various levels of salt and pepper noise elimination, contrast improvement and clarification processing on the sequence of the received cross-section scene picture so as to obtain a step-by-step optimized picture;
the edge detection part is connected with the signal optimization part and used for detecting each edge pixel point in the received step-by-step optimization picture based on the gradient value of the pixel point and fitting each edge pixel point in the step-by-step optimization picture into a plurality of circular ring areas in the step-by-step optimization picture;
and the layering identification component is connected with the edge detection component and is used for acquiring a pixel point at the central position of each circular ring area in the received step-by-step optimization picture as a reference pixel point, acquiring a horizontal coordinate value and a vertical coordinate value of the reference pixel point, and sending a layering unevenness signal when the covariance of the horizontal coordinate value and the vertical coordinate value of a plurality of reference pixel points respectively corresponding to a plurality of circular ring areas in the step-by-step optimization picture is more than or equal to a set covariance threshold value.
2. The low-loss phase-stabilized coaxial cable layered structure layout judgment system of claim 1, further comprising:
the field alarm component is connected with the layering identification component and is used for executing the field alarm operation of uneven layering structure of each piece of low-loss stable-phase coaxial cable of the current batch when receiving the layering uneven signal;
the hierarchical identification component is further used for sending a hierarchical uniform signal when the covariance of the horizontal coordinate values and the vertical coordinate values of a plurality of reference pixel points respectively corresponding to a plurality of circular ring regions in the progressive optimization picture is smaller than the set covariance threshold;
and the field alarm component is also used for stopping executing field alarm operation on uneven layered structures of all the low-loss stable-phase coaxial cables in the current batch when receiving the layered uniform signals.
3. The system for determining a hierarchical structure layout of a low-loss phase-stable coaxial cable according to claim 1, wherein:
detecting each edge pixel point in the received step-by-step optimized picture based on the gradient values of the pixel points, and fitting each edge pixel point in the step-by-step optimized picture into a plurality of circular ring areas, wherein the circular ring areas comprise: regarding each pixel point in the step-by-step optimization picture as a target pixel point, regarding the target pixel point and a plurality of pixel points around the target pixel point as each pixel point, and determining the gradient value of the target pixel point based on the mean square error of each pixel value corresponding to each pixel point;
wherein determining the gradient value of the target pixel point based on the mean square error of each pixel value corresponding to each pixel point comprises: the larger the mean square error of each pixel value corresponding to each pixel point is, the larger the gradient value of the target pixel point is determined to be.
4. The system according to claim 3, wherein the system for determining the hierarchical structure of the low-loss phase-stable coaxial cable comprises:
detecting each edge pixel point in the received step-by-step optimized picture based on the gradient values of the pixels comprises the following steps: when the gradient value of a certain pixel point is larger than or equal to a set gradient threshold value, taking the pixel point as an edge pixel point in a step-by-step optimized picture;
wherein, each border pixel point in the optimization picture step by step that gradient value based on pixel detects and receives still includes: when the gradient value of a certain pixel point is smaller than the set gradient threshold value, taking the pixel point as a non-edge pixel point in a step-by-step optimization picture;
wherein the signal optimization component comprises a picture receiving subcomponent, a noise cancellation subcomponent, a content enhancement subcomponent, a sharpness processing subcomponent and a picture output subcomponent;
wherein the picture receiving subcomponent is connected with the orientation capture component and the noise cancellation subcomponent respectively, the sharpness processing subcomponent is connected with the content enhancement subcomponent and the picture output subcomponent respectively, and the noise cancellation subcomponent is further connected with the content enhancement subcomponent.
5. The system for determining a hierarchical structure layout of a low-loss phase-stable coaxial cable according to claim 1, wherein:
the method for randomly selecting a single low-loss phase-stable coaxial cable from various pieces of low-loss phase-stable coaxial cables to serve as a target cable based on the output of a random function comprises the following steps: each piece of low-loss stable-phase coaxial cable has different product numbers from small to large according to the sequence of production by the cable production mechanism;
wherein, the randomly selecting a single piece of low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of the random function as the target cable further comprises: when the output of the random function is the same as the product number of the low-loss stationary phase coaxial cable which is currently produced, taking the currently produced low-loss stationary phase coaxial cable as a randomly selected single-piece low-loss stationary phase coaxial cable;
wherein, the randomly selecting a single piece of low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of the random function as the target cable further comprises: and when the output of the random function is different from the product number of the currently produced low-loss stationary phase coaxial cable, not taking the currently produced low-loss stationary phase coaxial cable as the randomly selected single-piece low-loss stationary phase coaxial cable.
6. A method for judging the layout of a low-loss phase-stable coaxial cable layered structure is characterized by comprising the following steps:
the method comprises the following steps that a cable production mechanism is used for producing each low-loss phase-stable coaxial cable with fixed length piece by piece, wherein each low-loss phase-stable coaxial cable comprises a multilayer structure, and the multilayer structure sequentially comprises an inner conductor, a PE foamed insulating layer, a polytetrafluoroethylene film lapping layer, a silver-plated copper strip lapping layer, a silver-plated wire weaving layer and a sheath from inside to outside;
a random selection mechanism is used, is connected with the cable production mechanism and is used for randomly selecting a single low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of a random function to serve as a target cable;
the cross section acquisition mechanism is connected with the random selection mechanism and is used for cutting the cross section of the target cable output by the cable production mechanism after the random selection mechanism finishes the selection of the target cable;
using an orientation capture component, connected with the section acquisition mechanism, for performing an image data capture operation on the section of the target cable to acquire a section scene picture;
the signal optimizing component is connected with the directional capturing component and used for performing signal optimizing actions of various levels of salt and pepper noise elimination, contrast improvement and clarification processing on the sequence of the received cross-section scene picture so as to obtain a step-by-step optimized picture;
using an edge detection part connected with the signal optimization part and used for detecting each edge pixel point in the received step-by-step optimization picture based on the gradient value of the pixel point and fitting each edge pixel point in the step-by-step optimization picture into a plurality of circular ring areas in the step-by-step optimization picture;
and the hierarchical identification component is connected with the edge detection component and is used for acquiring a pixel point at the central position of each circular ring region in the received step-by-step optimization picture as a reference pixel point, acquiring a horizontal coordinate value and a vertical coordinate value of the reference pixel point, and sending a non-hierarchical signal when the covariance of the horizontal coordinate value and the vertical coordinate value of a plurality of reference pixel points respectively corresponding to a plurality of circular ring regions in the step-by-step optimization picture is more than or equal to a set covariance threshold value.
7. The method for determining a low-loss phase-stable coaxial cable hierarchical structure layout according to claim 6, further comprising:
the using field alarming component is connected with the layering identification component and is used for executing the field alarming operation of uneven layering structure of each piece of low-loss stable-phase coaxial cable of the current batch when receiving the layering uneven signal;
the hierarchical identification component is further used for sending a hierarchical uniform signal when the covariance of the horizontal coordinate values and the vertical coordinate values of a plurality of reference pixel points respectively corresponding to a plurality of circular ring regions in the progressive optimization picture is smaller than the set covariance threshold;
and the field alarm part is also used for stopping executing the field alarm operation of uneven layered structure of each low-loss stable-phase coaxial cable of the current batch when receiving the layered uniform signal.
8. The method of claim 6, wherein the method comprises:
detecting each edge pixel point in the received step-by-step optimized picture based on the gradient values of the pixel points, and fitting each edge pixel point in the step-by-step optimized picture into a plurality of circular ring regions, wherein the circular ring regions comprise: regarding each pixel point in the step-by-step optimization picture as a target pixel point, regarding the target pixel point and a plurality of pixel points around the target pixel point as each pixel point, and determining the gradient value of the target pixel point based on the mean square error of each pixel value corresponding to each pixel point;
wherein determining the gradient value of the target pixel point based on the mean square error of each pixel value corresponding to each pixel point comprises: the larger the mean square error of each pixel value corresponding to each pixel point is, the larger the gradient value of the target pixel point is determined to be.
9. The method for determining a low-loss phase-stable coaxial cable hierarchical structure layout according to claim 8, wherein:
detecting each edge pixel point in the received step-by-step optimized picture based on the gradient values of the pixels comprises: when the gradient value of a certain pixel point is larger than or equal to a set gradient threshold value, taking the pixel point as an edge pixel point in a step-by-step optimized picture;
wherein, each border pixel point in the optimization picture step by step that gradient value based on pixel detects and receives still includes: when the gradient value of a certain pixel point is smaller than the set gradient threshold value, taking the pixel point as a non-edge pixel point in a step-by-step optimization picture;
wherein the signal optimization component comprises a picture receiving subcomponent, a noise cancellation subcomponent, a content enhancement subcomponent, a sharpness processing subcomponent and a picture output subcomponent;
wherein the picture receiving subcomponent is connected with the orientation capture component and the noise cancellation subcomponent respectively, the sharpness processing subcomponent is connected with the content promotion subcomponent and the picture output subcomponent respectively, and the noise cancellation subcomponent is further connected with the content promotion subcomponent.
10. The method for determining the hierarchical structure layout of the low-loss phase-stable coaxial cable according to claim 6, wherein:
randomly selecting a single low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of the random function as a target cable comprises the following steps: each low-loss stable-phase coaxial cable has different product numbers from small to large according to the sequence of production by the cable production mechanism;
wherein, the randomly selecting a single low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of the random function as the target cable further comprises: when the output of the random function is the same as the product number of the low-loss stationary phase coaxial cable which is currently produced, taking the currently produced low-loss stationary phase coaxial cable as a randomly selected single-piece low-loss stationary phase coaxial cable;
wherein, the randomly selecting a single piece of low-loss phase-stable coaxial cable from various low-loss phase-stable coaxial cables based on the output of the random function as the target cable further comprises: and when the output of the random function is different from the product number of the currently produced low-loss phase-stable coaxial cable, not taking the currently produced low-loss phase-stable coaxial cable as the randomly selected single-piece low-loss phase-stable coaxial cable.
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