CN104280708B - Microwave automatic calibrating method, device, communication emergency car and base station - Google Patents
Microwave automatic calibrating method, device, communication emergency car and base station Download PDFInfo
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- CN104280708B CN104280708B CN201310294561.2A CN201310294561A CN104280708B CN 104280708 B CN104280708 B CN 104280708B CN 201310294561 A CN201310294561 A CN 201310294561A CN 104280708 B CN104280708 B CN 104280708B
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Abstract
The present invention discloses a kind of microwave automatic calibrating method, device, communication emergency car and base station, is calibrated automatically for microwave so as to obtain optimal microwave signal intensity.The microwave automatic calibrating method includes:Location parameter according to the first microwave equipment calculates the first angle parameter that the first microwave equipment should reach, and generates the first calibration command according to first angle parameter;First time angle calibration system is done to the first microwave equipment according to the first calibration command;Position error according to location parameter obtains the second angle parameter of the first microwave equipment, and generates the second calibration command according to second angle parameter;On the basis of first time angle calibration system, second angle calibration system is done to the first microwave equipment according to the second calibration command, the microwave signal intensity after second angle calibration system is more than the microwave signal intensity after first time angle calibration system.Using technical scheme, microwave can be automatically performed to leading to work under without manual intervention.
Description
Technical field
The present invention relates to field of microwave communication, more particularly to a kind of microwave automatic calibrating method, device, communication should
Anxious car and base station.
Background technology
Mobile communication emergency car is generally used for solving signal covering or the traffic Sharing of emergent point.Have in emergency car
Radio reception device as in ordinary base station, microwave is the prevailing transmission mode of emergency car.Microwave typically requires visual biography
It is defeated, from emergency car to a base station for having a microwave.Microwave is obstructed, and emergency car is exactly an isolated island, and main equipment cannot be opened and used.
Existing communication emergency car, using microwave transmission mode, emergency communication car will complete cell and open, it is necessary to logical micro-
Ripple, completes the foundation of transmission link.Microwave includes the microwave at emergency car end and the microwave of base station end, shown in Figure 1.Tradition
Microwave to logical calibration operation by having been manually done, people's hand control adjusts the angle of two ends microwave, while checking that to receive level high
It is low, after obtaining meeting to leading to desired maximum level, fixed microwave angle.
Due to must be visual between microwave transmission relay antenna, attendant spend when microwave antenna is calibrated and consumes the substantial amounts of time
And energy, inefficiency, and it is more difficult to complete microwave when meeting the impacted weather of the visibility such as sleet mist to logical.
Therefore, artificial microwave present in prior art is to leading to the inefficient problem brought.
The content of the invention
The present invention discloses a kind of microwave automatic calibrating method, device, communication emergency car and base station, for solving prior art
Present in artificial microwave to leading to the inefficient problem brought.
To achieve the above object, according to the first aspect of the invention, there is provided a kind of microwave automatic calibrating method, and use
Following technical scheme:
Microwave automatic calibrating method, for the first microwave equipment, first microwave equipment is used for and the second microwave equipment
Communication, the microwave automatic calibrating method includes:Location parameter according to first microwave equipment calculates first microwave and sets
The standby first angle parameter that should be reached, and the first calibration command is generated according to the first angle parameter;According to described first
Calibration command does first time angle calibration system to first microwave equipment;Described in position error according to the location parameter is obtained
The second angle parameter of the first microwave equipment, and the second calibration command is generated according to the second angle parameter;Described first
On the basis of secondary angle calibration system, second angle calibration system, institute are done to first microwave equipment according to second calibration command
The microwave signal intensity after second angle calibration system is stated more than the microwave signal intensity after the first time angle calibration system.
Further, should be reached according to the location parameter of the first microwave equipment so-called first microwave equipment of calculating described
First angle parameter before, the microwave automatic calibrating method also includes:Obtain the location parameter of first microwave equipment.
Further, the second angle that first microwave equipment is obtained according to the position error of the location parameter
Parameter, and included according to the second calibration command of second angle parameter generation:Described first is obtained according to the position error
The maximum angle error of microwave equipment;Selected on microwave direction according to the first angle parameter and the maximum angle error
A fixed predeterminable area;N number of point of predetermined number is chosen in the predeterminable area;Pij is obtained, the Pij is described first micro-
Wave device points to i points, and second microwave equipment points to microwave signal intensity during j points, wherein i points are institute with j points
State any point in N number of point;Maximum signal is chosen from the Pij;According to corresponding to the maximum signal
Point obtains the second angle parameter of first microwave equipment;Second calibration command is generated according to the second angle parameter.
Further, first time angle calibration system is done to first microwave equipment according to first calibration command described
Before, the microwave automatic calibrating method also includes:The current angular parameter of first microwave equipment is obtained, it is described to work as anterior angle
Degree parameter is used for as the basis of the first time angle calibration system.
According to the second aspect of the invention, there is provided a kind of microwave self-checking device, and adopt the following technical scheme that:
Microwave self-checking device, for the first microwave equipment, first microwave equipment is used for and the second microwave equipment
Communication, the microwave self-checking device includes:Processing module, for calculating institute according to the location parameter of first microwave equipment
The first angle parameter that the first microwave equipment should reach is stated, and the first calibration command is generated according to the first angle parameter;
With the second angle parameter for obtaining first microwave equipment according to the position error of the location parameter, and according to described
Second angle parameter generates the second calibration command;Adjusting module, for according to first calibration command to first microwave
Equipment does first time angle calibration system;With on the basis of the first time angle calibration system, according to second calibration command
Second angle calibration system is done to first microwave equipment, the microwave signal intensity after second angle calibration system is more than described
Microwave signal intensity after first time angle calibration system.
Further, described microwave self-checking device also includes:Locating module, sets for obtaining first microwave
Standby location parameter.
Further, the processing module is additionally operable to:First microwave equipment is obtained most according to the position error
Wide-angle error;One preset areas are selected on microwave direction according to the first angle parameter and the maximum angle error
Domain;N number of point of predetermined number is chosen in the predeterminable area;Pij is obtained, the Pij is that first microwave equipment points to i
Point, second microwave equipment points to microwave signal intensity during j points, wherein i points are in N number of point with j points
Any point.Maximum signal is chosen from the Pij;Point according to corresponding to the maximum signal obtains described the
The second angle parameter of one microwave equipment;Second calibration command is generated according to the second angle parameter.
Further, described microwave self-checking device also includes:Sensor assembly, for obtaining first microwave
The current angular parameter of equipment, the current angular parameter is used for as the basis of the first time angle calibration system.
According to the third aspect of the present invention, there is provided one kind communication emergency car, and adopt the following technical scheme that:
The communication emergency car includes above-mentioned microwave self-checking device.
According to the fourth aspect of the present invention, there is provided a kind of base station, and adopt the following technical scheme that:
The base station includes above-mentioned microwave self-checking device.
, by increasing processing module and adjusting module on microwave equipment, by programme-control, adjustment two ends are micro- for the present invention
Wave angle degree, reaches highest and receives level, is automatically performed work of the microwave to leading to, and without manual intervention, and need not consider visibility
Problem.Increase locating module simultaneously, sensor assembly reads height, longitude and latitude, deflection and the angle of pitch of microwave position
Processing module is transferred to, the data acquisition that microwave is calibrated automatically is realized.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, constitutes the part of the application, schematic reality of the invention
Apply example and its illustrate, for explaining the present invention, not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 represents the communication emergency car and base station microwave communication scheme described in background of invention;
Fig. 2 represents the main flow schematic diagram of the microwave automatic calibrating method described in the embodiment of the present invention;
Fig. 3 represents the earth vertical section schematic diagram described in the embodiment of the present invention;
Fig. 4 to be represented and obtain horizontal range and height above sea level between microwave equipment according to longitude and latitude described in the embodiment of the present invention
Schematic diagram;
Fig. 5(1)To Fig. 5(4)Represent the schematic diagram at the calculated direction angle described in the embodiment of the present invention;
Fig. 6 represents the schematic diagram of the calculating angle of pitch described in the embodiment of the present invention;
Fig. 7 represents the schematic diagram that maximum angle error is obtained according to position error described in the embodiment of the present invention;
Fig. 8 represents the microwave direction schematic diagram of the microwave equipment described in the embodiment of the present invention;
If Fig. 9 represents that the microwave equipment described in the embodiment of the present invention is distributed the schematic diagram done on microwave direction;
Figure 10 represents the schematic diagram of the acquisition Pij described in the embodiment of the present invention;
Figure 11 represents the flow chart of the acquisition Pij described in the embodiment of the present invention;
Figure 12 represents the flow chart of Figure 11 sub-routines;
Figure 13 represents the primary structure schematic diagram of the microwave self-checking device described in the embodiment of the present invention;
Figure 14 represents the concrete structure schematic diagram of the microwave self-checking device described in the embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Multitude of different ways with covering is implemented.
Fig. 2 represents the main flow schematic diagram of the microwave automatic calibrating method described in the embodiment of the present invention.
Shown in Figure 2, microwave automatic calibrating method may include:
S101:Location parameter according to first microwave equipment calculates first microwave equipment should reach first
Angle parameter, and the first calibration command is generated according to the first angle parameter;
S103:First time angle calibration system is done to first microwave equipment according to first calibration command;
S105:Position error according to the location parameter obtains the second angle parameter of first microwave equipment, and
Second calibration command is generated according to the second angle parameter;
S107:On the basis of the first time angle calibration system, according to second calibration command to first microwave
Equipment does second angle calibration system, and the microwave signal intensity after second angle calibration system is more than the first time angle calibration system
Microwave signal intensity afterwards.
In step S101, location parameter refers to the location parameter of microwave equipment, the position ginseng according to the first microwave equipment
The location parameter of number and the second microwave equipment can calculate the point of theory that should each reach.For example, first can be obtained
The horizontal range and relative elevation of microwave equipment and the second microwave equipment highly, set according to this first microwave equipment and the second microwave
Standby horizontal range and relative elevation high computational calculates the angle that the first microwave equipment and the second microwave equipment should reach respectively
Degree.
Specific location parameter can be obtained by GPS positioning device, for example, obtaining the longitude and latitude of the first microwave equipment A
With the longitude and latitude of the second microwave equipment B.Shown in Figure 3, according to earth vertical section schematic diagram, 2 points of A, B is passed through by GPS
Latitude, after longitude and latitude is obtained, it is necessary first to calculate the horizontal plane of A, B point-to-point transmission.R is equatorial radius, and θ is latitude
Angle.Then equatorial perimeter is:
C=2 π R
With the Zhou Changwei of the annulus of equator balance during latitude θ:
C=2 π r=2 π Rcos θ
Shown in Figure 4,2 points of A, B distributions in the plane are as shown in figure 4, the longitude and latitude of wherein A points is (x1,y1), B
The longitude and latitude of point is (x2,y2).Then:
A=︱ x2-x1︱ * c/360;
B=︱ y2-y1︱ * c/360;
It is apart from d between A, B:
It is as follows according to the level angle computational methods that above-mentioned calculating can further calculate A, B point, if the angle of A point microwaves
It is α to spend, and the angle of B point microwaves is β, referring specifically to Fig. 5(1)-5(4), α and β are respectively:
(5)Work as y1=y2,x1< x2When, α=90 °, β=270 °
(6)Work as x1=x2,y1> y2When, α=180 °, β=0 °
(7)Work as y1=y2,x1> x2When, α=270 °, β=90 °
(8)Work as x1=x2,y1< y2When, α=0 °, β=180 °
More specifically, the angle of pitch computational methods of A, B point are as shown in fig. 6, referring to Fig. 6, h is the height above sea level of 2 points of A, B
Difference(Height above sea level can be obtained by GPS), γ is the elevation angle of A points and the angle of depression of B points.Then
Therefore, by above-mentioned calculating, the angle parameter that microwave equipment should reach can be obtained, in step s 103, according to
The above-mentioned angle parameter for calculating carries out first time angle calibration system to microwave equipment.
Aforesaid operations have obtained the rough calculation angle of microwave equipment, to obtain best angle, it is necessary to be finely adjusted, that is, carry out
Secondary angle calibration system.
The position error of the location parameter in step S105 can be because GPS location has certain error, by the error
The computational methods of the level angle error that the above-mentioned computational methods for causing draw are as follows:
Referring specifically to shown in Fig. 7, if e is GPS location error, δ is the maximum angle error calculated, then
In step s 107, in above-mentioned error angle, second angle parameter of calibration is obtained, under the angle parameter
Calibration microwave equipment so that the microwave signal intensity after second angle calibration system is more than after the first time angle calibration system
Microwave signal intensity.
In the above-mentioned technical proposal of the present embodiment, by the location parameter of microwave equipment, microwave equipment is carried out automatically
Adjust twice so that microwave equipment reaches reception level angle high, it is to avoid need manually to leading to brought difficulty, improve microwave pair
Logical efficiency.
Preferably, calculate what so-called first microwave equipment should reach according to the location parameter of the first microwave equipment described
Before first angle parameter, the microwave automatic calibrating method also includes:Obtain the location parameter of first microwave equipment.
The present embodiment can include alignment system, obtain for the location parameter for obtaining microwave equipment in real time, the method for acquisition
Take network transmission etc. in real time.
The location parameter of microwave equipment is obtained in real time, can more accurately calculate microwave to leading to the angle to be reached
Degree, in the case where error is not considered, realizes the first time adjustment of microwave equipment, improves the degree of accuracy of the microwave to leading to.
Preferably, the second angle ginseng that first microwave equipment is obtained according to the position error of the location parameter
Number, and included according to the second calibration command of second angle parameter generation:It is micro- described first to be obtained according to the position error
The maximum angle error of wave device;Selected on microwave direction according to the first angle parameter and the maximum angle error
One predeterminable area;N number of point of predetermined number is chosen in the predeterminable area;Pij is obtained, the Pij is first microwave
Equipment points to i points, and second microwave equipment points to microwave signal intensity during j points, wherein i points are the N with j points
Any point in individual point;Maximum signal is chosen from the Pij;Point according to corresponding to the maximum signal is obtained
Take the second angle parameter of first microwave equipment;Second calibration command is generated according to the second angle parameter.
Above-described embodiment purpose generates the second calibration command, root to obtain second angle parameter according to second angle parameter
The fine setting of microwave equipment is realized according to the second calibration command so that microwave signal intensity reaches perfect condition.
Based on above-mentioned worst error angle, in the range of worst error angle, microwave angle is finely tuned by ergodic algorithm
Degree, obtains best angle, i.e. second angle parameter.
Specifically as shown in figure 8, middle circle is the schematic rear view of microwave equipment, microwave direction is interior for vertical paper enters.
If be evenly distributed in the plane of Fig. 8 doing, as shown in Figure 9.
Microwave is adjusted to point to respectively the angle of above-mentioned point, the receiving intensity of each angle is write down respectively, as shown in Figure 10.
The signal intensity of corresponding points is recorded as following matrix:
Wherein Pij(I=[1, m], j=[1, n])Represent microwave just to point PijWhen receiving power.In view of determining for GPS
Position error, P11To P1n、P11To Pm1When corresponding microwave angle difference should be no less than δ.All angles are recorded according to below scheme
The signal intensity of degree:B points are just to P11, A points traversal P11To Pmn(mn) individual point, is designated as matrix altogether
B points are just to P12, A points traversal P11To Pmn(mn) individual point, is designated as matrix altogether:
Repeat until B points complete (mn) individual point, obtain matrix:
The acquisition flow of above-mentioned matrix as shown in figure 11, specifically includes following steps:
Step 110:I=1, j=1 are made, into sub-process;
Step 111:Perform the sub-process;
Step 112:Record the corresponding signal intensity matrix Pij of the point;
Step 113:Make j=j+1;
Step 114:Whether j is judged more than n, if performing step 115, if it is not, return performing sub-process;
Step 115:Make i=i+1, j=1;
Step 116:Whether i is judged more than m, if so, terminate, if it is not, returning to execution subroutine.
Above-mentioned common m*n point, and m*n=N.
The step of subprogram, is shown in Figure 12, specifically includes:
Step 120:Make i=1, j=1;
Step 121:Record the signal intensity Pij of the point;
Step 122:Make j=j+1;
Step 123:Whether j is judged more than n, if performing step 124, returns perform step 121 if not;
Step 124:Make i=i+1, j=1;
Step 125:Whether i is judged more than m, if so, terminating.If it is not, return performing step 121.
After having been performed by above-mentioned flow, obtain (mn)2Individual signal strength data P, chooses maximum of which P values, A, B two
Point refers both to corresponding point, that is, obtain the best angle of emergency car end and base station end microwave.
Preferably, it is described according to first calibration command first microwave equipment is done first time angle calibration system it
Before, the microwave automatic calibrating method also includes:Obtain the current angular parameter of first microwave equipment, the current angular
Parameter is used for as the basis of the first time angle calibration system.
The method for obtaining current angular parameter can have many kinds, such as by pre-setting record, or angle sensor
Device is waited, and the purposes for obtaining current angular parameter is the basis as the first time angle calibration system, when can so shorten calibration
Between and improve calibration the degree of accuracy.
Figure 13 represents the primary structure schematic diagram of the microwave self-checking device described in the embodiment of the present invention.
Shown in Figure 13, microwave self-checking device disclosed by the invention may include:
Microwave self-checking device, for the first microwave equipment, first microwave equipment is used for and the second microwave equipment
Communication, the microwave self-checking device includes:Processing module 130, based on the location parameter according to first microwave equipment
The first angle parameter that first microwave equipment should reach is calculated, and is referred to according to the calibration of first angle parameter generation first
Order;With the second angle parameter for obtaining first microwave equipment according to the position error of the location parameter, and according to
The second angle parameter generates the second calibration command;Adjusting module 132, for according to first calibration command to described
One microwave equipment does first time angle calibration system;With on the basis of the first time angle calibration system, according to second school
Quasi instruction does second angle calibration system to first microwave equipment, and the microwave signal intensity after second angle calibration system is big
Microwave signal intensity after the first time angle calibration system.
Figure 14 represents the concrete structure schematic diagram of the microwave self-checking device described in the embodiment of the present invention.
Shown in Figure 14, microwave self-checking device includes:Processing unit 140, GPS141, angular adjustment apparatus 142
And direction, horizon sensor 143.
Specifically, two ends microwave is mounted on GPS141 for obtaining longitude and latitude and height above sea level;Equipped with direction and level
Sensor 143 is used to obtain the current horizontal direction of microwave and the angle of pitch;Equipped with angular adjustment apparatus 142, receive from treatment
The instruction of unit 140 simultaneously adjusts microwave angle;Being additionally operable to collection information equipped with processing unit 140 carries out computing and output adjustment letter
Number.
Specifically, the processing unit 140 is additionally operable to:First microwave equipment is obtained most according to the position error
Wide-angle error;One preset areas are selected on microwave direction according to the first angle parameter and the maximum angle error
Domain;N number of point of predetermined number is chosen in the predeterminable area;Pij is obtained, the Pij is that first microwave equipment points to i
Point, second microwave equipment points to microwave signal intensity during j points, wherein i points are in N number of point with j points
Any point.Maximum signal is chosen from the Pij;Point according to corresponding to the maximum signal obtains described the
The second angle parameter of one microwave equipment;Second calibration command is generated according to the second angle parameter.
This programme reads microwave position by increasing GPS141 and direction, horizon sensor 143 on microwave equipment
Height, longitude and latitude, deflection, the angle of pitch, by programme-control, adjust two ends microwave angle, reach highest and receive level, from
The dynamic work for completing microwave to leading to, without manual intervention, and need not consider On The Problems of Visibility.
The communication emergency car and base station that the present invention is provided are respectively mounted above-mentioned microwave self-checking device, automatic by the microwave
Calibrating installation calculates the method for obtaining emergency car end and base station end microwave best angle automatically, first passes through longitude and latitude and height above sea level
The rough calculation angle for obtaining deflection and the angle of pitch is calculated, then best angle is obtained by automatic contrast adjustment.
, by increasing processing module and adjusting module on microwave equipment, by programme-control, adjustment two ends are micro- for the present invention
Wave angle degree, reaches highest and receives level, is automatically performed work of the microwave to leading to, and without manual intervention, and need not consider visibility
Problem.Increase locating module simultaneously, sensor assembly reads height, longitude and latitude, deflection and the angle of pitch of microwave position
Processing module is transferred to, the data acquisition that microwave is calibrated automatically is realized.
Claims (10)
1. a kind of microwave automatic calibrating method, for the first microwave equipment, first microwave equipment is used to be set with the second microwave
Standby communication, it is characterised in that including:
Location parameter according to first microwave equipment calculates the first angle parameter of first microwave equipment, and according to institute
State first angle parameter and generate the first calibration command;
First time angle calibration system is done to first microwave equipment according to first calibration command;
Position error according to the location parameter obtains the second angle parameter of first microwave equipment, and according to described the
Two angle parameters generate the second calibration command;
On the basis of the first time angle calibration system, second is done to first microwave equipment according to second calibration command
Secondary angle calibration system, the microwave signal intensity after second angle calibration system is more than the microwave letter after the first time angle calibration system
Number intensity.
2. microwave automatic calibrating method as claimed in claim 1, it is characterised in that in the position according to the first microwave equipment
Before putting the first angle parameter that parameter calculates so-called first microwave equipment, the microwave automatic calibrating method also includes:
Obtain the location parameter of first microwave equipment.
3. microwave automatic calibrating method as claimed in claim 1, it is characterised in that the positioning according to the location parameter
Error obtains the second angle parameter of first microwave equipment, and generates the second calibration command according to the second angle parameter
Including:
The maximum angle error of first microwave equipment is obtained according to the position error;
One predeterminable area is selected on microwave direction according to the first angle parameter and the maximum angle error;
N number of point of predetermined number is chosen in the predeterminable area;
Pij is obtained, the Pij is that first microwave equipment points to i points, and second microwave equipment points to microwave during j points
Signal intensity, wherein i points are any point in N number of point with j points;
Maximum signal is chosen from the Pij;
Point according to corresponding to the maximum signal obtains the second angle parameter of first microwave equipment;
Second calibration command is generated according to the second angle parameter.
4. microwave automatic calibrating method as claimed in claim 1, it is characterised in that described according to first calibration command
Before doing first time angle calibration system to first microwave equipment, the microwave automatic calibrating method also includes:
The current angular parameter of first microwave equipment is obtained, the current angular parameter is used for as the first time angle
The basis of calibration.
5. a kind of microwave self-checking device, for the first microwave equipment, first microwave equipment is used to be set with the second microwave
Standby communication, it is characterised in that including:
Processing module, the first angle for calculating first microwave equipment according to the location parameter of first microwave equipment
Parameter, and the first calibration command is generated according to the first angle parameter;With
Second angle parameter for obtaining first microwave equipment according to the position error of the location parameter, and according to institute
State second angle parameter and generate the second calibration command;
Adjusting module, for doing first time angle calibration system to first microwave equipment according to first calibration command;With with
In on the basis of the first time angle calibration system, first microwave equipment is done second according to second calibration command
Angle calibration system, the microwave signal intensity after second angle calibration system is more than the microwave signal after the first time angle calibration system
Intensity.
6. microwave self-checking device as claimed in claim 5, it is characterised in that also include:
Locating module, the location parameter for obtaining first microwave equipment.
7. microwave self-checking device as claimed in claim 5, it is characterised in that the processing module is additionally operable to:
The maximum angle error of first microwave equipment is obtained according to the position error;
One predeterminable area is selected on microwave direction according to the first angle parameter and the maximum angle error;
N number of point of predetermined number is chosen in the predeterminable area;
Pij is obtained, the Pij is that first microwave equipment points to i points, and second microwave equipment points to microwave during j points
Signal intensity, wherein i points are any point in N number of point with j points;
Maximum signal is chosen from the Pij;
Point according to corresponding to the maximum signal obtains the second angle parameter of first microwave equipment;
Second calibration command is generated according to the second angle parameter.
8. microwave self-checking device as claimed in claim 5, it is characterised in that also include:
Sensor assembly, the current angular parameter for obtaining first microwave equipment, the current angular parameter is used to make
It is the basis of the first time angle calibration system.
9. a kind of communication emergency car, it is characterised in that including the microwave self-checking device described in any one of claim 5 to 8.
10. a kind of base station, it is characterised in that including the microwave self-checking device described in any one of claim 5 to 8.
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