CN104950270A - Hysteresis loop display method and system - Google Patents
Hysteresis loop display method and system Download PDFInfo
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- CN104950270A CN104950270A CN201510306574.6A CN201510306574A CN104950270A CN 104950270 A CN104950270 A CN 104950270A CN 201510306574 A CN201510306574 A CN 201510306574A CN 104950270 A CN104950270 A CN 104950270A
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Abstract
The invention discloses a hysteresis loop display method and system. The method includes: segmenting detected hysteresis loop data to obtain first interval data for linear display and second interval data for logarithmic display; displaying the first interval data in a vertical-horizontal coordinate system according to linear relation, wherein horizontal coordinates correspond to magnetic field strength using the unit of A/m, and vertical coordinates correspond to magnetic induction strength using the unit of T; performing logarithmic transformation on the second interval data and mapping the second interval data into the vertical-horizontal coordinate system for display. By the arrangement, the method has the advantages that linear-logarithm mixed coordinates are used, initial data, starting from the horizontal coordinate zero point, of the hysteresis loop can be displayed, all data can be completely displayed along the horizontal coordinates, and detecting results can be displayed visually.
Description
Technical field
The present invention relates to magnetic hysteresis loop detection field, especially, relate to a kind of magnetic hysteresis loop display packing and display system.
Background technology
When magnetic hysteresis loop represents magnetic field intensity cyclical variation, the closed magnetization curve of ferromagnetic substance hysteresis.Magnetic hysteresis loop has structural sensitive characteristic, that reflects the magnetization property of ferromagnetics.In prior art, the coordinate that the magnetic hysteresis loop detected is general corresponding can only be simple linear the or logarithmic coordinate of display, when magnetic hysteresis loop horizontal ordinate span is large, the primary data from 0 many and also changeable time, simple cannot be detailed with linear coordinate display primary data curve, as Fig. 1; If simple, linear coordinate is amplified the curve that display horizontal ordinate span that display just cannot be complete is large, as Fig. 2.Therefore the curve map of the magnetic hysteresis loop of prior art cannot the detailed display of compatible primary data and the demand of the complete display of horizontal ordinate.
Summary of the invention
The invention provides a kind of magnetic hysteresis loop display packing and display system, cannot the detailed display of compatible primary data and the technical matters of the complete display of horizontal ordinate with the curve map solving magnetic hysteresis loop.
The technical solution used in the present invention is as follows:
According to an aspect of the present invention, provide a kind of magnetic hysteresis loop display packing, for showing the distribution of the magnetic hysteresis loop detected, the method comprises:
The data of the magnetic hysteresis loop of detection being carried out staging treating, obtaining for carrying out linear first interval censored data of display and the second interval censored data for carrying out logarithm display;
First interval censored data is linearly closed tie up to and show in coordinate system in length and breadth, wherein, the magnetic field intensity (unit A/m) of the corresponding magnetizing field of horizontal ordinate, the corresponding magnetic induction density (unit T) of ordinate;
Second interval censored data is carried out log-transformation and is mapped to showing in coordinate system in length and breadth.
Further, the first interval censored data is along the symmetrical display at zero point of horizontal ordinate, and the scope of the first interval censored data can be arranged.
Further, the linear relationship of the first interval censored data comprises:
Magnetic field intensity corresponding for first interval censored data is mapped on horizontal ordinate by the linear relationship of unit spacing;
The linear relationship of magnetic induction density corresponding for first interval censored data by unit spacing is mapped on ordinate.
Further, the log-transformation relation of the second interval censored data comprises:
Magnetic induction density corresponding for second interval censored data is mapped on ordinate by the linear relationship of unit spacing;
Magnetic field intensity corresponding for second interval censored data is mapped on horizontal ordinate through log-transformation.
Further, the unit spacing of horizontal ordinate in the segment of display second interval censored data shows based on the unit that the first interval censored data is corresponding is pitch-multiplied, and wherein, multiplication constant can set.
Further, log-transformation is natural logarithm conversion, is namely the log-transformation of the truth of a matter with Irrational Number e.
According to a further aspect in the invention, provide a kind of magnetic hysteresis loop display system, for showing the distribution of the magnetic hysteresis loop detected, this system comprises:
Multidomain treat-ment unit, the data for the magnetic hysteresis loop by detection carry out staging treating, obtain for carrying out linear first interval censored data of display and the second interval censored data for carrying out logarithm display;
First display unit, shows in coordinate system in length and breadth for being tied up to the linearly pass of the first interval censored data, wherein, and the magnetic field intensity (unit A/m) of the corresponding magnetizing field of horizontal ordinate, the corresponding magnetic induction density (unit T) of ordinate;
Second display unit, shows in coordinate system in length and breadth for the second interval censored data being carried out log-transformation and being mapped to.
Further, subregion adjustment unit, for arranging the scope of the first interval censored data.
Further, the first display unit comprises:
First linear mapping block, for being mapped to horizontal ordinate by magnetic field intensity corresponding for the first interval censored data by the linear relationship of unit spacing;
Second linear mapping module, for being mapped to ordinate by magnetic induction density corresponding for the first interval censored data by the linear relationship of unit spacing.
Further, the second display unit comprises:
Third linear mapping block, for being mapped to ordinate by magnetic induction density corresponding for the second interval censored data by the linear relationship of unit spacing;
Logarithmic mapping module, for being mapped to horizontal ordinate by magnetic field intensity corresponding for the second interval censored data through log-transformation.
The present invention has following beneficial effect:
Magnetic hysteresis loop display packing of the present invention and display system, by carrying out segmentation to the data of the magnetic hysteresis loop detected, obtain for carrying out linear first interval censored data of display and the second interval censored data for carrying out logarithm display, adopt linear-logarithmic hybrid coordinate, display magnetic hysteresis loop that can the be detailed primary data from horizontal ordinate zero point, along the whole data of the complete display of horizontal ordinate, testing result intuitive display can be made again.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the curve synoptic diagram that the magnetic hysteresis loop of prior art linearly shows;
Fig. 2 is the curve synoptic diagram of the magnetic hysteresis loop logarithm display of prior art;
The schematic flow sheet of Fig. 3 preferred embodiment of the present invention magnetic hysteresis loop display packing;
Fig. 4 is the curve synoptic diagram of preferred embodiment of the present invention magnetic hysteresis loop;
Fig. 5 is the block diagram of preferred embodiment of the present invention magnetic hysteresis loop display system.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
According to an aspect of the present invention, provide a kind of magnetic hysteresis loop display packing, for showing the distribution of the magnetic hysteresis loop detected, with reference to Fig. 3, the present embodiment method comprises:
The data of the magnetic hysteresis loop of detection are carried out staging treating by step S10, obtain for carrying out linear first interval censored data of display and the second interval censored data for carrying out logarithm display;
Step S20, linearly closes the first interval censored data to tie up to and shows in coordinate system in length and breadth, wherein, and the magnetic field intensity (unit A/m) of the corresponding magnetizing field of horizontal ordinate, the corresponding magnetic induction density (unit T) of ordinate;
Step S30, carries out log-transformation by the second interval censored data and is mapped to showing in coordinate system in length and breadth.
The present embodiment method is by carrying out segmentation to the data of the magnetic hysteresis loop detected, obtain for carrying out linear first interval censored data of display and the second interval censored data for carrying out logarithm display, adopt linear-logarithmic hybrid coordinate, display magnetic hysteresis loop that can the be detailed primary data from horizontal ordinate zero point, along the whole data of the complete display of horizontal ordinate, testing result intuitive display can be made again.
Preferably, in the present embodiment, the first interval censored data is along the symmetrical display at zero point of horizontal ordinate, and the scope of the first interval censored data can be arranged.After the scope setting the first interval censored data, the data of the magnetic hysteresis loop detected are judged, when these data fall into the scope of the first interval censored data, then linearly close to tie up to it and in length and breadth coordinate system shows, otherwise, carry out log-transformation to these data and be mapped in length and breadth coordinate system showing.
In the present embodiment, the linear relationship of the first interval censored data comprises:
Magnetic field intensity corresponding for first interval censored data is mapped on horizontal ordinate by the linear relationship of unit spacing; The linear relationship of magnetic induction density corresponding for first interval censored data by unit spacing is mapped on ordinate.Such as, suppose that the magnetic field intensity in the first interval censored data and the funtcional relationship between magnetic induction density are M=f
1(H), wherein, M represents magnetic induction density, and H represents magnetic field intensity, function f
1representative funtcional relationship therebetween, then respectively by M, H linear mapping on longitudinal and transverse coordinate, such as, M, H are mapped on coordinate system in the unit ratio of 1:1, ratio value herein can be selected according to the requirement of display, and the present embodiment does not specifically limit.
In the present embodiment, the log-transformation relation of the second interval censored data comprises:
Magnetic field intensity corresponding for second interval censored data is mapped on horizontal ordinate through log-transformation; The linear relationship of magnetic induction density corresponding for second interval censored data by unit spacing is mapped on ordinate.Such as, suppose that the magnetic field intensity in the second interval censored data and the funtcional relationship between magnetic induction density are M=f
2(H), wherein, M represents magnetic induction density, and H represents magnetic field intensity, function f
2representative funtcional relationship therebetween, by M linear mapping on ordinate, is mapped on horizontal ordinate after H is first carried out log-transformation again.Such as, H is mapped on horizontal ordinate after log-transformation, supposes ln
ah=b, wherein, a is the truth of a matter, and b is the logarithm that H is corresponding, be then mapped on horizontal ordinate by the relation of b-H by b, meanwhile, by M linearly relation injection on ordinate, thus formed logarithmic coordinate system.Ratio value herein and the truth of a matter can be selected according to the requirement of display, and the present embodiment does not specifically limit.Particularly, in the present embodiment, log-transformation adopts natural logarithm conversion, and namely the truth of a matter is Irrational Number e.
Preferably, in order to coordinate system shows change of magnetic field strength interval large time corresponding Curve of Magnetic Hysteresis Loop figure, the unit spacing of horizontal ordinate in the segment of display second interval censored data shows with 10 multiplications based on the unit spacing that the first interval censored data is corresponding.
Fig. 4 shows the curve synoptic diagram of preferred embodiment of the present invention magnetic hysteresis loop, with reference to Fig. 4, the present embodiment linear-logarithmic hybrid coordinate, distribute for showing specific Curve of Magnetic Hysteresis Loop figure, separately positive and negative with interlude, middle start appointed area for linear coordinate with 0 and show, play the primary data of amplifying from 0, appointed area, both sides is logarithmic coordinate region, take into account the primary data of display from 0 that can be detailed, complete horizontal ordinate data can be shown again, and linear-logarithmic hybrid coordinate can show negative, simple logarithmic coordinate can only show the positive number coordinate being greater than 0.Linear-logarithmic hybrid coordinate display curve first paragraph be linear, and can sets itself range of linearity length, after section be logarithm, linearly and logarithm be all be equally divided into 5 segments.Can show the curve values of negative, minimum and maximum value can sets itself.Multiple with 10 increases display.
According to a further aspect in the invention, provide a kind of magnetic hysteresis loop display system, for showing the distribution of the magnetic hysteresis loop detected, with reference to Fig. 5, the present embodiment system comprises:
Multidomain treat-ment unit 101, the data for the magnetic hysteresis loop by detection carry out staging treating, obtain for carrying out linear first interval censored data of display and the second interval censored data for carrying out logarithm display;
First display unit 102, shows in coordinate system in length and breadth for being tied up to the linearly pass of the first interval censored data, wherein, and the magnetic field intensity (unit A/m) of the corresponding magnetizing field of horizontal ordinate, the corresponding magnetic induction density (unit T) of ordinate;
Second display unit 103, shows in coordinate system in length and breadth for the second interval censored data being carried out log-transformation and being mapped to.
Preferably, the present embodiment system is subregion adjustment unit 104 also, for arranging the scope of the first interval censored data.After the scope setting the first interval censored data, the data of the magnetic hysteresis loop detected are judged, when these data fall into the scope of the first interval censored data, then linearly close to tie up to it and in length and breadth coordinate system shows, otherwise, carry out log-transformation to these data and be mapped in length and breadth coordinate system showing.
In the present embodiment, the first display unit 102 comprises:
First linear mapping block, for being mapped to horizontal ordinate by magnetic field intensity corresponding for the first interval censored data by the linear relationship of unit spacing;
Second linear mapping module, for being mapped to ordinate by magnetic induction density corresponding for the first interval censored data by the linear relationship of unit spacing.
In the present embodiment, the second display unit 103 comprises:
Third linear mapping block, for being mapped to described ordinate by magnetic induction density corresponding for the second interval censored data by the linear relationship of unit spacing;
Logarithmic mapping module, for being mapped to described horizontal ordinate by magnetic field intensity corresponding for described second interval censored data through log-transformation
Preferably, in order to coordinate system shows change of magnetic field strength interval large time corresponding Curve of Magnetic Hysteresis Loop figure, the unit spacing of horizontal ordinate in the segment of display second interval censored data shows by 10 times of multiplications based on the unit spacing that the first interval censored data is corresponding.Preferably, log-transformation is natural logarithm conversion, namely with the log-transformation of natural logarithm e.
The present embodiment is by carrying out segmentation to the data of the magnetic hysteresis loop detected, obtain for carrying out linear first interval censored data of display and the second interval censored data for carrying out logarithm display, adopt linear-logarithmic hybrid coordinate, display magnetic hysteresis loop that can the be detailed primary data from horizontal ordinate zero point, along the whole data of the complete display of horizontal ordinate, testing result intuitive display can be made again.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a magnetic hysteresis loop display packing, for showing the distribution of the magnetic hysteresis loop detected, is characterized in that, comprise:
The data of the magnetic hysteresis loop of detection being carried out staging treating, obtaining for carrying out linear first interval censored data of display and the second interval censored data for carrying out logarithm display;
Described first interval censored data is linearly closed tie up to and show in coordinate system in length and breadth, wherein, the magnetic field intensity (unit A/m) of the corresponding magnetizing field of horizontal ordinate, the corresponding magnetic induction density (unit T) of ordinate;
Described second interval censored data is carried out log-transformation and shows in coordinate system in length and breadth described in being mapped to.
2. magnetic hysteresis loop display packing according to claim 1, is characterized in that,
Described first interval censored data is along the symmetrical display at zero point of horizontal ordinate, and the scope of described first interval censored data can be arranged.
3. magnetic hysteresis loop display packing according to claim 2, is characterized in that,
The linear relationship of described first interval censored data comprises:
Magnetic field intensity corresponding for described first interval censored data is mapped on described horizontal ordinate by the linear relationship of unit spacing;
Magnetic induction density corresponding for described first interval censored data is mapped on described ordinate by the linear relationship of unit spacing.
4. magnetic hysteresis loop display packing according to claim 1, is characterized in that,
The log-transformation relation of described second interval censored data comprises:
Magnetic induction density corresponding for described second interval censored data is mapped on described ordinate by the linear relationship of unit spacing;
Magnetic field intensity corresponding for described second interval censored data is mapped on described horizontal ordinate through log-transformation.
5. magnetic hysteresis loop display packing according to claim 4, is characterized in that,
The unit spacing of described horizontal ordinate in the segment of described second interval censored data of display shows based on the unit that described first interval censored data is corresponding is pitch-multiplied, and wherein, multiplication constant can set.
6. magnetic hysteresis loop display packing according to claim 4, is characterized in that,
Described log-transformation is natural logarithm conversion, is namely the log-transformation of the truth of a matter with Irrational Number e.
7. a magnetic hysteresis loop display system, for showing the distribution of the magnetic hysteresis loop detected, is characterized in that, comprise:
Multidomain treat-ment unit, the data for the magnetic hysteresis loop by detection carry out staging treating, obtain for carrying out linear first interval censored data of display and the second interval censored data for carrying out logarithm display;
First display unit, shows in coordinate system in length and breadth for being tied up to the linearly pass of described first interval censored data, wherein, and the magnetic field intensity (unit A/m) of the corresponding magnetizing field of horizontal ordinate, the corresponding magnetic induction density (unit T) of ordinate;
Second display unit, for carrying out log-transformation by described second interval censored data and showing in coordinate system in length and breadth described in being mapped to.
8. magnetic hysteresis loop display packing according to claim 7, is characterized in that,
Subregion adjustment unit, for arranging the scope of described first interval censored data.
9. magnetic hysteresis loop display packing according to claim 7, is characterized in that,
Described first display unit comprises:
First linear mapping block, for being mapped to described horizontal ordinate by magnetic field intensity corresponding for described first interval censored data by the linear relationship of unit spacing;
Second linear mapping module, for being mapped to described ordinate by magnetic induction density corresponding for described first interval censored data by the linear relationship of unit spacing.
10. magnetic hysteresis loop display packing according to claim 7, is characterized in that,
Described second display unit comprises:
Third linear mapping block, for being mapped to described ordinate by magnetic induction density corresponding for described second interval censored data by the linear relationship of unit spacing;
Logarithmic mapping module, for being mapped to described horizontal ordinate by magnetic field intensity corresponding for described second interval censored data through log-transformation.
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