CN102223188A - Vision connection determination method and apparatus of microwave link - Google Patents
Vision connection determination method and apparatus of microwave link Download PDFInfo
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- CN102223188A CN102223188A CN2010101603192A CN201010160319A CN102223188A CN 102223188 A CN102223188 A CN 102223188A CN 2010101603192 A CN2010101603192 A CN 2010101603192A CN 201010160319 A CN201010160319 A CN 201010160319A CN 102223188 A CN102223188 A CN 102223188A
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Abstract
The embodiment of the invention discloses a vision connection determination method of a microwave link. The method comprises that a microwave link is created; a barrier acquisition area is arranged based on the microwave link and the acquisition area is an area where microwave transmission energy is concentrated; the height values of the barriers in the acquisition area are acquired; the height values of the barriers are selected based on the influences from the barriers on the microwave link; a landform sectional view is obtained on the microwave link and a determination is carried out towards the vision connection of the microwave link based on the landform sectional view. The embodiment of the invention also discloses a vision connection determination apparatus of the microwave link. According to the embodiment of the invention, the vision connection determination is characterized by high efficiency, short period and high precision. An antenna hanging height can be accurately guided and vision connection explorations of many scenes can be satisfied. Height information on buildings and plants can be embodied in landform section data. The apparatus works indoor and has a fast response speed.
Description
Technical field
The present invention relates to communication technical field, what relate in particular to a kind of microwave link looks the disconnected method and apparatus of official under county magistrate who administers lawsuit, etc.
Background technology
Microwave technology directly transmits data by the space, does not need to lay optical fiber or cable etc., in the city, remote districts or special area (for example river etc.) have tangible engineering advantage; The microwave technology networking is convenient, and occupation mode is flexible, and the service fulfillment time is short; Along with the development of microwave technology, the cost of microwave equipment reduces gradually, and therefore, the use of microwave technology more and more widely.
Microwave is meant the electromagnetic wave of frequency in the 300MHz-300GHz scope, it is the abbreviation of a limited frequency band in whole electromagnetic spectrums, characteristics according to microwave propagation, be considered as plane wave, so in the microwave transmission process, will guarantee necessary intervisibility between two website antennas, also promptly look logical (LOS, line of sight).
For a long time, in the Microwave Network Planning process, look the problem of leading to a maximum that is the puzzlement planning personnel, adopt eyes direct-view method in the prior art usually, promptly will guarantee to see that with eyes the position of distance station installation microwave antenna could guarantee to look logical.But the microwave link of longer distance also can't be seen the opposite end with eyes even by optical instrument, can't judge look logical; If weather condition is bad, the air visibility is lower, can't see the opposite end; For the website of not building iron tower, there is barrier the centre, can't judge look logical, can not the accurate guidance microwave antenna hang high.
Summary of the invention
What the embodiment of the invention provided a kind of microwave link looks the disconnected method and apparatus of official under county magistrate who administers lawsuit, etc., can conveniently realize microwave link to look the official under county magistrate who administers lawsuit, etc. disconnected.
The embodiment of the invention provides a kind of disconnected method of official under county magistrate who administers lawsuit, etc. of looking of microwave link, comprising:
Create microwave link;
According to the microwave link thing pickup area of placing obstacles, described pickup area is the zone of microwave transmission concentration of energy;
Obtain the height value of the barrier in the pickup area;
According to the height value of barrier, obtain the topographic section figure on the microwave link to the influence screening barrier of microwave link;
Judge looking of microwave link is logical according to the landform sectional drawing.
What the embodiment of the invention also provided a kind of microwave link looks the disconnected device of official under county magistrate who administers lawsuit, etc., comprising:
Creating unit is used to create microwave link;
The unit is set, is used for according to the microwave link thing pickup area of placing obstacles, described pickup area is the zone of microwave transmission concentration of energy;
Acquiring unit is used to obtain the height value of the barrier in the pickup area;
The screening unit is used for obtaining the topographic section figure on the microwave link according to the height value of barrier to the influence screening barrier of microwave link;
Judging unit is used for judging looking of microwave link is logical according to the landform sectional drawing.
The embodiment of the invention is by creating microwave link, according to the microwave link thing pickup area of placing obstacles, described pickup area is the zone of microwave transmission concentration of energy, obtain the height value of the barrier in the pickup area, according to the height value of barrier to the influence screening barrier of microwave link, obtain the topographic section figure on the microwave link, judge looking of microwave link is logical according to the landform sectional drawing, look the efficient height that the official under county magistrate who administers lawsuit, etc. is broken, cycle is short, the accuracy height, can instruct antenna extension height accurately, can satisfy the logical exploration of looking of numerous scenes, can embody earth surface in the topographic section data, building, vegetation equal altitudes information, full office operation, response speed is fast.
Description of drawings
Fig. 1 is the method flow diagram that the official under county magistrate who administers lawsuit, etc. is broken of looking of a kind of microwave link of providing of the embodiment of the invention;
Fig. 2 is that a kind of microwave link that the embodiment of the invention provides is created schematic diagram;
Fig. 3 is the N Fresnel region schematic diagram that the embodiment of the invention provides;
Fig. 4 is the approximate first Fresnel zone schematic diagram that the embodiment of the invention provides;
Fig. 5 is that the obstacle height value that the embodiment of the invention provides is obtained schematic diagram;
Fig. 6 is the interior obstacle height value schematic diagram of pickup area that the embodiment of the invention provides;
Fig. 7 is the approximate first Fresnel zone schematic cross-section that the embodiment of the invention provides;
Fig. 8 is the sectional schematic diagram on a kind of microwave link of providing of the embodiment of the invention;
Fig. 9 is the sectional schematic diagram on the another kind of microwave link that provides of the embodiment of the invention;
Figure 10 be a kind of microwave link of providing of the embodiment of the invention look the disconnected structure drawing of device of official under county magistrate who administers lawsuit, etc.;
Figure 11 is a kind of structure chart that screens the unit that the embodiment of the invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.And, below each embodiment be possibility of the present invention, embodiment put in order and the frame number execution sequence preferred of embodiment with it irrelevant.
The embodiment of the invention provides a kind of disconnected method of official under county magistrate who administers lawsuit, etc. of looking of microwave link, comprising: create microwave link; According to the microwave link thing pickup area of placing obstacles, described pickup area is the zone of microwave transmission concentration of energy; Obtain the height value of the barrier in the pickup area; According to the height value of barrier, obtain the topographic section figure on the microwave link to the influence screening barrier of microwave link; Judge looking of microwave link is logical according to the landform sectional drawing.
Wherein, describedly specifically comprise according to the microwave link thing pickup area of placing obstacles:
Setting is that the horizontal ellipse face of center line is the barrier pickup area with the microwave link; Perhaps,
Setting is that the horizontal first Fresnel zone of center line is the barrier pickup area with the microwave link; Perhaps,
Setting is that the approximate first Fresnel zone of the level of center line is the barrier pickup area with the microwave link.
The described height value that obtains the barrier in the pickup area specifically comprises:
Utilize two satellite map to obtain the height value of the barrier in the pickup area.
Described according to the height value of barrier to the influence screening barrier of microwave link, the topographic section figure that obtains on the microwave link specifically comprises:
In direction, do the cross section with fixed step size perpendicular to the microwave link center line;
On a cross section,, obtain a height value of cross section correspondence according to the height value of barrier to the influence screening barrier of microwave link;
Travel through each cross section on the microwave link, obtain the height value of the barrier of each cross section correspondence, obtain the topographic section figure on the microwave link.
Described on a cross section, according to the height value of barrier to the influence screening barrier of microwave link, a height value that obtains the cross section correspondence comprises:
If a plurality of barriers are arranged on the cross section, the corresponding height value of each barrier according to the influence screening barrier of barrier to microwave link, is chosen the height value of the height value of the barrier that microwave link is had the greatest impact as this cross section correspondence.
The embodiment of the invention is by creating microwave link, according to the microwave link thing pickup area of placing obstacles, described pickup area is the zone of microwave transmission concentration of energy, obtain the height value of the barrier in the pickup area, according to the height value of barrier to the influence screening barrier of microwave link, obtain the topographic section figure on the microwave link, judge looking of microwave link is logical according to the landform sectional drawing, look the efficient height that the official under county magistrate who administers lawsuit, etc. is broken, cycle is short, the accuracy height can instruct antenna extension height accurately, can satisfy the logical exploration of looking of numerous scenes, be not subjected to the influence of weather conditions, can embody earth surface in the topographic section data, building, vegetation equal altitudes information, full office operation, response speed is fast.
The embodiment of the invention provides the disconnected method of official under county magistrate who administers lawsuit, etc. of looking of another kind of microwave link, as shown in Figure 1, comprising:
S100 creates microwave link.
During the network planning, at first need to create microwave link, promptly set the position of two microwave website antennas, be microwave link between these two microwave website antennas, the purpose of present embodiment is to judge the logical situation of looking of this microwave link, as shown in Figure 2, two microwave website antennas setting in the present embodiment lay respectively at X, Y, are microwave link between X, the Y.
S102, according to the microwave link thing pickup area of placing obstacles, described pickup area is the zone of microwave transmission concentration of energy.
The barrier pickup area set up standard be in this zone barrier to the influence of microwave link.The applicant finds by long term studies, the horizontal ellipse face that with the microwave link is center line is the barrier pickup area, not only consider microwave property but also controlled the scope in data acquisition zone, as for the size of horizontal ellipse face, can set according to the actual requirements, if microwave link is not in the horizontal direction, then set horizontal ellipse face may not be center line with the microwave link, method is similar, and for simplicity, the microwave link in the present embodiment in the horizontal direction.
Microwave look the official under county magistrate who administers lawsuit, etc. disconnected in, need to consider the barrier that institute on the microwave link might the block signal transmission, in the present embodiment, with the microwave link is that center line is done a horizontal ellipse face, this ellipsoid is called as the Z-min ellipsoid, and it is disconnected to look the official under county magistrate who administers lawsuit, etc. to the situation that influences of microwave link according to the barrier in the Z-min ellipsoid zone.
When determining the radius of Z-min ellipsoid, calculate N Fresnel radius according to Fresnel radius calculation formula.As shown in Figure 3, T, R represent the microwave antenna at microwave link two ends, point P satisfies following condition to T, R apart from sum: TP+PR=TR+N λ/2, N is a positive integer, λ is the wavelength of the microwave that transmits on the microwave link, the zone that the track that is made of the P point forms is exactly the N Fresnel region, and the N Fresnel region is a spheroid, and it is that the horizontal ellipse face is the barrier pickup area that this step is got the horizontal cross-section that comprises center line.The P point is the Fresnel radius to the vertical range of TR, and the first Fresnel radius is represented with F1.First Fresnel zone is the most concentrated zone of microwave transmission energy, reduces this regional planted agent to stop that along with the increase of Fresnel region sequence number number, the field intensity of acceptance point is successively decreased with arithmetic series as far as possible.
As shown in Figure 4, present embodiment uses the approximate first Fresnel radius calculation formula:
Obtain approximate first Fresnel zone, wherein, X, Y represent the microwave antenna at microwave link two ends, λ is the wavelength of the microwave that transmits on the microwave link, and F1 is that OP is the vertical range of P point to XY, and the distance of OX is d1, the distance of OY is d2, the distance of XY is d, and the zone that the track that is made of the P point forms is exactly approximate first Fresnel zone, and getting the horizontal cross-section that approximate first Fresnel zone comprises center line is the barrier pickup area.
In real work, also can use other approximation method thing pickup area of placing obstacles, for example get 60% approximate first Fresnel zone horizontal cross-section or the like.
S104 obtains the height value of the barrier in the pickup area;
Present embodiment utilizes two satellite map to obtain the height value of the barrier in the pickup area.
When two eyes of people are seen an object simultaneously, can judge the distance of object, iff utilizing eyes, the distance of judgment object accurately then, present embodiment anthropomorphic dummy's left and right sides eyes, about two satellite image imaging lens be equivalent to left and right sides eyes, the position of left and right sides eyes is known, as long as left and right sides eyes focus on same point, then just can calculate the three-dimensional position of every bit, thereby obtain the height value of every bit according to the position relation.
As shown in Figure 5, article one, light is from ground point Q, projection centre S (Xs through left picture, Ys, Zs) image in a left side as last q point, if all project to right as last each point on this light, the projected footprint of these points will form a curve on the picture of the right side so, it also is the nuclear line of q, if q ' and q corresponding identical on the spot point on image, obviously it always is positioned on this curve, passes through q, the three-dimensional coordinate of q ' and α β γ δ equal angles relation just can be unhitched and be calculated the three-dimensional coordinate of Q, thereby obtain the height value that Q is ordered.If the point on the microwave route all exists on left side picture and right picture, just we can solve any any three-dimensional coordinate on the microwave route so, thereby draw the height value of barrier, this technology belongs to prior art, does not repeat them here.
As shown in Figure 6, obtain the height value of the barrier in the pickup area, the obstacle height that "+" representative has been gathered herein is very big to the influence of microwave transmission.
S106 according to the height value of barrier to the influence screening barrier of microwave link, obtains the topographic section figure on the microwave link.
In direction, do the cross section with fixed step size perpendicular to the microwave link center line;
On a cross section,, obtain a height value of cross section correspondence according to the height value of barrier to the influence screening barrier of microwave link;
Travel through each cross section on the microwave link, obtain the height value of each cross section correspondence, obtain the topographic section figure on the microwave link.
If a plurality of barriers are arranged on the cross section, the corresponding height value of each barrier according to the influence screening barrier of barrier to microwave link, is chosen the height value of the height value of the barrier that microwave link is had the greatest impact as this cross section correspondence.
In the present embodiment, as shown in Figure 6, for approximate first Fresnel zone, in direction perpendicular to the microwave link center line, do the cross section with fixed step size, certainly, also can not do the cross section at approximate first Fresnel zone, the cross section of ordering for O as shown in Figure 7, three barrier points are arranged on this cross section, highly be respectively 15 meters, 14 meters, 18 meters, analyze each influence, provide a kind of concrete analytical method below microwave link.
According to of the influence of following formula analysis barrier to microwave link:
η
n＝S
n/R
n 2
Wherein, η
nBe the influence coefficient of barrier to microwave transmission, S
nFor barrier drops on area in the cross section, R
nBe the distance of O to barrier.
The area of each building in the cross section is: A, 30 square metres; B, 20 square metres; C, 1 square metre.
Obtaining each barrier to the influence of microwave link is:
ηA＝30/36＝0.83；ηB＝20/64＝0.31；ηC＝1/100＝0.01
The A barrier has the greatest impact to microwave transmission, is 15 meters so the O point is got the height of barrier
By analyzing each as can be known to the size of microwave transmission influence, 15 meters barrier point has the greatest impact to microwave transmission, so get distance and the height of the cross section of 15 meters barrier points to starting point, traversal microwave link, obtain the topographic section figure on the microwave link, as shown in Figure 8.
S108 judges looking of microwave link is logical according to the landform sectional drawing.
As shown in Figure 8, the microwave link between X, the Y does not satisfy to be looked logical, can instruct according to this figure and to reselect microwave link, instructs the extension height of microwave antenna.
The embodiment of the invention is by creating microwave link, according to the microwave link thing pickup area of placing obstacles, described pickup area is the zone of microwave transmission concentration of energy, obtain the height value of the barrier in the pickup area, according to the height value of barrier to the influence screening barrier of microwave link, obtain the topographic section figure on the microwave link, judge looking of microwave link is logical according to the landform sectional drawing, look the efficient height that the official under county magistrate who administers lawsuit, etc. is broken, cycle is short, the accuracy height can instruct antenna extension height accurately, can satisfy the logical exploration of looking of numerous scenes, be not subjected to the influence of weather conditions, can embody building in the topographic section data, vegetation equal altitudes information, full office operation, response speed is fast.
The embodiment of the invention provides the disconnected method of official under county magistrate who administers lawsuit, etc. of looking of another kind of microwave link, and its difference with a last embodiment is according to barrier the height value of barrier to be screened in the influence of microwave link, obtains the topographic section figure on the microwave link,
In the present embodiment, in the direction perpendicular to the microwave link center line, do the cross section with unfixed step-length, in other embodiments, the cross section also can be not orthogonal to the direction of center line;
On a cross section,, obtain a height value of cross section correspondence according to the height value of barrier to the influence screening barrier of microwave link;
Travel through each cross section on the microwave link, obtain the height value of each cross section correspondence, obtain the topographic section figure on the microwave link.
In the present embodiment, in direction perpendicular to the microwave link center line, do the cross section with fixed step size, the cross section of ordering for O as shown in Figure 9, three barrier points are arranged on this cross section, highly be respectively 15 meters, 14 meters, 18 meters, analyze each influence to microwave link, engineering approximation computing formula according to diffraction loss obtains big more apart from the near more influence to microwave transmission of O point, the distance that the A barrier is ordered apart from O is 6 meters, and the distance that the B barrier is ordered apart from O is 8 meters, and the distance that the C barrier is ordered apart from O is 10 meters, so get the barrier point A that microwave transmission is had the greatest impact at this place, cross section, highly be taken as 15 meters.
The embodiment of the invention is by creating microwave link, according to the microwave link thing pickup area of placing obstacles, described pickup area is the zone of microwave transmission concentration of energy, obtain the height value of the barrier in the pickup area, according to the height value of barrier to the influence screening barrier of microwave link, obtain the topographic section figure on the microwave link, judge looking of microwave link is logical according to the landform sectional drawing, look the efficient height that the official under county magistrate who administers lawsuit, etc. is broken, cycle is short, the accuracy height can instruct antenna extension height accurately, can satisfy the logical exploration of looking of numerous scenes, be not subjected to the influence of weather conditions, can embody building in the topographic section data, vegetation equal altitudes information, full office operation, response speed is fast.
What the embodiment of the invention provided a kind of microwave link looks the disconnected device of official under county magistrate who administers lawsuit, etc., as shown in figure 10, comprises
Creating unit 1000 is used to create microwave link;
Acquiring unit 1004 is used to obtain the height value of the barrier in the pickup area;
Judging unit 1008 is used for judging looking of microwave link is logical according to the landform sectional drawing.
It is wherein, described that to be provided with that unit 1002 specifically is used to be provided with the microwave link be that the horizontal ellipse face of center line is the barrier pickup area; Perhaps, setting is that the horizontal first Fresnel zone of center line is the barrier pickup area with the microwave link; Perhaps, setting is that the approximate first Fresnel zone of level of center line is the barrier pickup area with the microwave link.
Described acquiring unit 1004 specifically is used to utilize two satellite map to obtain the height value of the barrier in the pickup area.
As shown in figure 11, described screening unit 1006 specifically comprises:
Unit, cross section 1100 is used for doing the cross section in the direction perpendicular to the microwave link center line with fixed step size;
Depth of section value acquiring unit 1102 is used in a cross section, according to the height value of barrier to the influence screening barrier of microwave link, obtains a height value of cross section correspondence;
Wherein, if described depth of section value acquiring unit 1102 is used for that a plurality of barriers are arranged on the cross section, the corresponding height value of each barrier, according to the influence screening barrier of barrier, choose the height value of the height value of the barrier that microwave link is had the greatest impact as this cross section correspondence to microwave link.
The disconnected device of official under county magistrate who administers lawsuit, etc. of looking of embodiment of the invention microwave link passes through to create microwave link, according to the microwave link thing pickup area of placing obstacles, described pickup area is the zone of microwave transmission concentration of energy, obtain the height value of the barrier in the pickup area, according to the height value of barrier to the influence screening barrier of microwave link, obtain the topographic section figure on the microwave link, judge looking of microwave link is logical according to the landform sectional drawing, look the efficient height that the official under county magistrate who administers lawsuit, etc. is broken, cycle is short, the accuracy height can instruct antenna extension height accurately, can satisfy the logical exploration of looking of numerous scenes, be not subjected to the influence of weather conditions, can embody building in the topographic section data, vegetation equal altitudes information, full office operation, response speed is fast.
Device embodiment described above only is schematic, wherein said unit as the separating component explanation can or can not be physically to separate also, the parts that show as the unit can be or can not be physical locations also, promptly can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select wherein some or all of module to realize the purpose of present embodiment scheme according to the actual needs.Those of ordinary skills promptly can understand and implement under the situation of not paying performing creative labour.
Through the above description of the embodiments, those skilled in the art can be well understood to each execution mode and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware.Based on such understanding, the part that technique scheme contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in the computer-readable recording medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, perhaps network equipment etc.) carry out the described method of some part of each embodiment or embodiment.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the disconnected method of official under county magistrate who administers lawsuit, etc. of looking of a microwave link is characterized in that, comprising:
Create microwave link;
According to the microwave link thing pickup area of placing obstacles, described pickup area is the zone of microwave transmission concentration of energy;
Obtain the height value of the barrier in the pickup area;
According to the height value of barrier, obtain the topographic section figure on the microwave link to the influence screening barrier of microwave link;
Judge looking of microwave link is logical according to the landform sectional drawing.
2. method according to claim 1 describedly specifically comprises according to the microwave link thing pickup area of placing obstacles:
Setting is that the horizontal ellipse face of center line is the barrier pickup area with the microwave link; Perhaps,
Setting is that the horizontal first Fresnel zone of center line is the barrier pickup area with the microwave link; Perhaps,
Setting is that the approximate first Fresnel zone of the level of center line is the barrier pickup area with the microwave link.
3. method according to claim 1, the described height value that obtains the barrier in the pickup area specifically comprises:
Utilize two satellite map to obtain the height value of the barrier in the pickup area.
4. method according to claim 1, described according to the height value of barrier to the influence screening barrier of microwave link, the topographic section figure that obtains on the microwave link specifically comprises:
In direction, do the cross section with fixed step size perpendicular to the microwave link center line;
On a cross section,, obtain a height value of cross section correspondence according to the height value of barrier to the influence screening barrier of microwave link;
Travel through each cross section on the microwave link, obtain the height value of each cross section correspondence, obtain the topographic section figure on the microwave link.
5. method according to claim 4, described on a cross section, according to the height value of barrier to the influence screening barrier of microwave link, a height value that obtains the cross section correspondence comprises:
If a plurality of barriers are arranged on the cross section, the corresponding height value of each barrier according to the influence screening barrier of barrier to microwave link, is chosen the height value of the height value of the barrier that microwave link is had the greatest impact as this cross section correspondence.
A microwave link look the disconnected device of official under county magistrate who administers lawsuit, etc., it is characterized in that, comprising:
Creating unit is used to create microwave link;
The unit is set, is used for according to the microwave link thing pickup area of placing obstacles, described pickup area is the zone of microwave transmission concentration of energy;
Acquiring unit is used to obtain the height value of the barrier in the pickup area;
The screening unit is used for obtaining the topographic section figure on the microwave link according to the height value of barrier to the influence screening barrier of microwave link;
Judging unit is used for judging looking of microwave link is logical according to the landform sectional drawing.
7. device according to claim 6, it is described that to be provided with that the unit specifically is used to be provided with the microwave link be that the horizontal ellipse face of center line is the barrier pickup area; Perhaps, setting is that the horizontal first Fresnel zone of center line is the barrier pickup area with the microwave link; Perhaps, setting is that the approximate first Fresnel zone of level of center line is the barrier pickup area with the microwave link.
8. device according to claim 6, described acquiring unit specifically are used to utilize two satellite map to obtain the height value of the barrier in the pickup area.
9. device according to claim 6, described screening unit specifically comprises:
The unit, cross section is used for doing the cross section in the direction perpendicular to the microwave link center line with fixed step size;
Depth of section value acquiring unit is used in a cross section, according to the height value of barrier to the influence screening barrier of microwave link, obtains a height value of cross section correspondence;
The traversal unit is used to travel through each cross section on the microwave link, obtains the height value of each cross section correspondence, obtains the topographic section figure on the microwave link.
10. device according to claim 9, if described depth of section value acquiring unit is used for that a plurality of barriers are arranged on the cross section, the corresponding height value of each barrier, according to the influence screening barrier of barrier, choose the height value of the height value of the barrier that microwave link is had the greatest impact as this cross section correspondence to microwave link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010160319.2A CN102223188B (en) | 2010-04-19 | 2010-04-19 | Vision connection determination method and apparatus of microwave link |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010160319.2A CN102223188B (en) | 2010-04-19 | 2010-04-19 | Vision connection determination method and apparatus of microwave link |
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| Publication Number | Publication Date |
|---|---|
| CN102223188A true CN102223188A (en) | 2011-10-19 |
| CN102223188B CN102223188B (en) | 2014-03-12 |
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| CN201010160319.2A Expired - Fee Related CN102223188B (en) | 2010-04-19 | 2010-04-19 | Vision connection determination method and apparatus of microwave link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110545148A (en) * | 2019-09-04 | 2019-12-06 | 中国电子科技集团公司第五十四研究所 | Meteor trail link planning and predicting method based on GIS (geographic information System) |
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| CN1406082A (en) * | 2001-08-10 | 2003-03-26 | 法国无线电话公司 | Method for estimating radio covering range of housing estate in advance |
| US20090191880A1 (en) * | 2008-01-29 | 2009-07-30 | Nokia Siemens Networks Oy | Method for using high resolution ribbon maps to design fixed radio network links |
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2010
- 2010-04-19 CN CN201010160319.2A patent/CN102223188B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1406082A (en) * | 2001-08-10 | 2003-03-26 | 法国无线电话公司 | Method for estimating radio covering range of housing estate in advance |
| US20090191880A1 (en) * | 2008-01-29 | 2009-07-30 | Nokia Siemens Networks Oy | Method for using high resolution ribbon maps to design fixed radio network links |
Non-Patent Citations (1)
| Title |
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| 赵黎明: "用微机计算微波通信线路的天线挂高", 《CNKI知网空间》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110545148A (en) * | 2019-09-04 | 2019-12-06 | 中国电子科技集团公司第五十四研究所 | Meteor trail link planning and predicting method based on GIS (geographic information System) |
| CN110545148B (en) * | 2019-09-04 | 2021-08-31 | 中国电子科技集团公司第五十四研究所 | Meteor trail link planning and predicting method based on GIS (geographic information System) |
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| CN102223188B (en) | 2014-03-12 |
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