CN104202408A - Method and system for acquiring positions of nodes in marine towed linear array - Google Patents
Method and system for acquiring positions of nodes in marine towed linear array Download PDFInfo
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Abstract
The invention discloses a method and a system for acquiring positions of nodes in a marine towed linear array. The method includes the steps: a control server calculates an array channel encoding model according a size M*N of the array; the control server issues corresponding node configuration information to each node of the array according to the calculated array channel encoding model; when the nodes of the array receive the command to start ranging from the control server at the same time, the nodes perform acoustic ranging on basis of CDMA (code division multiple access) communication according to the corresponding node configuration information so as to obtain ranging results; according to the ranging results of the nodes of the array, the control server calculates coordinates of each node of the array by a trigonometric algorithm. The method and the system according to the technical scheme have the advantages that the nodes of the array are allowed to perform acoustic ranging at the same time, the ranging results of the nodes of the array are efficiently obtained, and the positions of the nodes of the marine towed linear array can be obtained more efficiently.
Description
Technical field
The present invention relates to offshore earthquake imaging technique, during espespecially a kind of offshore earthquake imaging operation, obtain the method and system of each node location in marine tow the whole network.
Background technology
Along with the fast development of exploratory engineering of off-shore petroleum/gas reservoir, the precision of the seismic imaging technology adopting in exploratory engineering of off-shore petroleum/gas reservoir is had higher requirement.In order to improve the precision of seismic imaging technology, need accurately to locate for gathering the position of each wave detector of wave detector linear array of earthquake imaging data, and the formation of adjusting accordingly wave detector linear array is to the formation approaching under perfect condition.
Fig. 1 is the schematic diagram of towing cable ship towed hydrophone linear array in actual offshore earthquake imaging operation, as shown in Figure 1, offshore earthquake imaging system comprises a tail target node 201, one or more rifle battle array nodes 202, many towing cables 203, a plurality of wave detector 204, load server (not shown) for controlling and calculating and for the towing cable ship 205 of towed streamer.As shown in Figure 1, towing cable ship 205 has pulled 6 rifle battle array nodes 202 altogether, and towing cable ship 205 has pulled 8 towing cables 203 altogether; On each towing cable, be provided with 41 wave detectors 204 (all not illustrating).Conventionally, the array wave detector on a plurality of towing cables being formed is called wave detector linear array.In the ideal case, between each towing cable, be parallel to each other, corresponding wave detector horizontal alignment on each towing cable.According to those skilled in the art's term, be called for short custom, hereinafter by wave detector linear array referred to as the whole network, by wave detector and on the miscellaneous equipment that articulates as the acoustics bird for acoustic range, be referred to as node, by towing cable ship 205 for the server controlling and calculate referred to as Control Server.When actual job, on the whole network, the position of each wave detector can change in the horizontal and vertical directions, like this, the formation of the whole network will change, if carry out seismic imaging operation according to the formation after changing, by the precise decreasing of the seismic imaging result that causes obtaining, even cause the result of seismic imaging insincere.Wherein,
Tail target node 201 is for connecting towing cable ship 205, each rifle battle array node 202 and each towing cable 203.Each rifle battle array node 202 and each wave detector 204 all use in the acquisition phase of seismic imaging.Acoustics bird is for carrying out acoustic range in the preparatory stage of seismic imaging.Towing cable 203 is for connecting each node.Wherein, the preparatory stage of seismic imaging mainly refers to, and configures each relevant device of seismic imaging, and adjusts the formation of each node in the whole network, and the acquisition phase of seismic imaging mainly refers to, by each rifle battle array node 202, produce earthquake and gather earthquake information by wave detector linear array.
Formation for fear of the whole network changes the impact on seismic imaging, obtains the coordinate position of each node in the whole network, and adjust accordingly the whole network and arrive close to the formation under perfect condition with regard to needing by calculating the seat calibration method of each node in the whole network.
At present, in seismic imaging operation at sea, in order to obtain the coordinate of each node in the whole network, first, according to the precalculated model for each node range finding of the whole network, each node in configuration the whole network, wherein, the channel information of communicating by letter between the information that the model of finding range for each node of the whole network comprises each node and each node, this model calculates in advance according to the whole network size M*N and definite corresponding strategies, wherein, the whole network size M*N represents in wave detector linear array N towing cable, and each has M wave detector above towing cable; Then, poll starts each node finds range, specifically, and the communication mode that each node poll adopts time division multiple access (TDMA) and frequency division multiple access (FDMA) to combine, measure the distance between this node and its interdependent node, obtain the range finding result of this node; Next, according to the range finding result of each node, with triangle geometric algorithm, calculate the coordinate of each node in the whole network.
The above-mentioned existing method of obtaining each node location in marine tow the whole network, in range finding step, the communication mode that each node adopts TDMA and FDMA to combine, poll starts the range finding of each node, and like this, each node can not be found range simultaneously, because number of nodes is conventionally more, therefore ranging process is often more consuming time, like this, has obviously reduced the existing computational efficiency of obtaining the method for each node location in marine tow the whole network.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of method and system that obtains each node location in marine tow the whole network, can reduce the time of obtaining each node location in marine tow the whole network, thereby improve the efficiency of obtaining each node location in marine tow the whole network.
In order to reach the object of the invention, the invention discloses a kind of method of obtaining each node location in marine tow the whole network, comprising:
Control Server, according to the whole network size M*N obtaining, calculates the whole network chnnel coding model; Wherein, the whole network size M*N represents in the whole network N row, often lists and is provided with M node;
Control Server is according to the whole network chnnel coding model of calculating, to each node in the whole network, issues corresponding node configuration information; Wherein, the coding that node configuration information comprises this node to and the coding of the interdependent node of this node right, coding to by as node between the uniquely identified nodes encoding in the whole network and node the required chnnel coding of code division multiple access cdma communication form;
When each node is received the instruction of the startup range finding that Control Server sends in the whole network, according to node configuration information separately, based on cdma communication, carry out acoustic range simultaneously simultaneously, obtain the result of finding range;
Control Server, according to the range finding result of each node in the whole network, adopts triangle geometric algorithm to calculate the coordinate of each node in the whole network.
Described the whole network chnnel coding model comprises M*N model information item, a node in the corresponding the whole network of model information item, and model information item comprises the node configuration information of the node of this model information item correspondence.
Described Control Server calculates the whole network chnnel coding model and comprises:
The whole network size M*N according to obtaining, carries out unique identification to each node in the whole network, obtains the nodes encoding of each node;
According to the range finding Path Planning setting in advance and chnnel coding allocation strategy, obtain the whole network chnnel coding model.
Described Path Planning is:
For each node, the interdependent node of this node comprises nearly node and node far away, wherein, nearly node is the adjacent node of this node surrounding in the whole network, and node far away is the left side two towing cable adjacent with the towing cable at this node place and the node of the non-nearly node on the towing cable of two, the right;
The quantity of node far away is 1 or 2;
For the node in centre position, the quantity P of its interdependent node is 6,7 or 8;
For the node of marginal position, the quantity P of its interdependent node is 6 or 7;
For the node of corner location, the quantity P of its interdependent node is 4 or 5.
Described chnnel coding allocation strategy is:
In described the whole network, M*N node shares Q chnnel coding; Wherein, Q represents the quantity of chnnel coding;
For each node, the chnnel coding of the node in the coverage of its cdma communication signal is not identical with the chnnel coding of this node.
The invention also discloses a kind of system of obtaining each node location in marine tow the whole network, comprise each node in Control Server and the whole network, Control Server comprises model computation module, configuration information sending module and coordinate computing module, wherein,
Model computation module, for according to the whole network size M*N obtaining, calculates the whole network chnnel coding model; Wherein, the whole network size M*N represents in the whole network N row, often lists and is provided with M node;
Configuration information sending module, for according to from the whole network chnnel coding model of model computation module, issues corresponding node configuration information to each node in the whole network; Wherein, the coding that node configuration information comprises this node to and the coding of the interdependent node of this node right, coding to by as node between the uniquely identified nodes encoding in the whole network and node the required chnnel coding of code division multiple access cdma communication form;
Each node in the whole network for when receiving the instruction of finding range from the startup of configuration information sending module simultaneously, according to node configuration information separately, carries out acoustic range based on cdma communication simultaneously, obtains the result of finding range;
Coordinate computing module, for according to the range finding result from each node of the whole network, adopts triangle geometric algorithm to calculate the coordinate of each node in the whole network.
Described the whole network chnnel coding model comprises M*N model information item, a node in the corresponding the whole network of model information item, and model information item comprises the node configuration information of the node of this model information item correspondence.
Described model computation module specifically for:
The whole network size M*N according to obtaining, carries out unique identification to each node in the whole network, obtains the nodes encoding of each node;
According to the range finding Path Planning setting in advance and chnnel coding allocation strategy, obtain the whole network chnnel coding model.
Described Path Planning is:
For each node, the interdependent node of this node comprises nearly node and node far away, wherein, nearly node is the adjacent node of this node surrounding in the whole network, and node far away is the left side two towing cable adjacent with the towing cable at this node place and the node of the non-nearly node on the towing cable of two, the right;
The quantity of node far away is 1 or 2;
For the node in centre position, the quantity P of its interdependent node is 6,7 or 8;
For the node of marginal position, the quantity P of its interdependent node is 6 or 7;
For the node of corner location, the quantity P of its interdependent node is 4 or 5.
Described chnnel coding allocation strategy is:
In described the whole network, M*N node shares Q chnnel coding; Wherein, Q represents the quantity of chnnel coding;
For each node, the chnnel coding of the node in the coverage of its cdma communication signal is not identical with the chnnel coding of this node.
Compared with prior art, technical scheme of the present invention comprises that Control Server is according to the whole network size M*N obtaining, and calculates the whole network chnnel coding model; Wherein, the whole network size M*N represents in the whole network N row, often lists and is provided with M node; Control Server is according to the whole network chnnel coding model of calculating, to each node in the whole network, issues corresponding node configuration information; Wherein, the coding that node configuration information comprises this node to and the coding of the interdependent node of this node right, coding to by as node between the uniquely identified nodes encoding in the whole network and node the required chnnel coding of code division multiple access cdma communication form; When each node is received the instruction of the startup range finding that Control Server sends in the whole network, according to node configuration information separately, based on cdma communication, carry out acoustic range simultaneously simultaneously, obtain the result of finding range; Control Server, according to the range finding result of each node in the whole network, adopts triangle geometric algorithm to calculate the coordinate of each node in the whole network.By technical scheme provided by the invention, realize each node in the whole network and carried out acoustic range based on cdma communication simultaneously, thereby obtained efficiently the range finding result of each node in the whole network, improve the efficiency of obtaining each node location in marine tow the whole network, met better the demand that efficiently completes offshore earthquake imaging operation.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, or understand by implementing the present invention.Object of the present invention and other advantages can be realized and be obtained by specifically noted structure in specification, claims and accompanying drawing.
Accompanying drawing explanation
Accompanying drawing is used to provide the further understanding to technical solution of the present invention, and forms a part for specification, is used from explanation technical scheme of the present invention with the application's embodiment mono-, does not form the restriction to technical solution of the present invention.
Fig. 1 is the schematic diagram of towing cable ship towed hydrophone linear array in actual offshore earthquake imaging operation;
Fig. 2 is the flow chart that the present invention obtains the method for each node location in marine tow the whole network;
Fig. 3 is the flow chart that the present invention calculates the whole network chnnel coding model;
Fig. 4 is the composition structural representation of the present invention's system of obtaining each node location in marine tow the whole network.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing, embodiments of the invention are elaborated.It should be noted that, in the situation that not conflicting, the embodiment in the application and the feature in embodiment be combination in any mutually.
In the step shown in the flow chart of accompanying drawing, can in the computer system such as one group of computer executable instructions, carry out.And, although there is shown logical order in flow process, in some cases, can carry out shown or described step with the order being different from herein.
It should be noted that, the direction up and down of the whole network is relative, that is to say, the above-below direction of the whole network can exchange, and the left and right directions of the whole network can exchange.The direction of the whole network, does following regulation to the direction of the whole network herein for convenience of description, near the direction of towing cable ship, is upper, away from the direction of towing cable ship, be under, the left side of towing cable ship direction of advance be left, the right of towing cable ship direction of advance is the right side.
Fig. 2 is the flow chart that the present invention obtains the method for each node location in marine tow the whole network, as shown in Figure 2, comprising:
Step 201: Control Server, according to the whole network size M*N obtaining, calculates the whole network chnnel coding model.Wherein, the whole network size M*N represents in the whole network N row, often lists and is provided with M node;
Fig. 3 is the flow chart that Control Server calculates the whole network chnnel coding model, as shown in Figure 3, comprising:
Step 301: the whole network size M*N according to obtaining, each node in the whole network is carried out to unique identification, obtain the nodes encoding of each node.
Wherein, nodes encoding is the unique identification in the whole network as node, can be comprised of with node number towing cable number.Towing cable number is for each towing cable of unique identification the whole network, and node number is for each node on towing cable of unique identification.For example,
11,12,13, the rest may be inferred the nodes encoding that for towing cable number is each node on 1 towing cable (hereinafter referred towing cable 1) is respectively:.The node that the node serial number of take is 12 (hereinafter referred node 12) is example, and its node serial number 12 is comprised of two numerals, and numeral 1 above represents that this node is positioned on towing cable 1, and numeral 2 below represents that the node number of this node on towing cable 1 is 2.
Step 302: according to the range finding Path Planning setting in advance and chnnel coding allocation strategy, obtain the whole network chnnel coding model.
Wherein, the whole network chnnel coding model comprises M*N model information item, a node in the corresponding the whole network of model information item, and model information item comprises the node configuration information of the node of this model information item correspondence.
Wherein, the coding that node configuration information comprises this node to and the coding of the interdependent node of this node right.Coding is to being comprised of the required chnnel coding of code division multiple access cdma communication between nodes encoding and node.
Range finding Path Planning in step 302 is:
1), for each node, the interdependent node of this node comprises nearly node and node far away.Wherein,
Nearly node be the adjacent node of this node surrounding in the whole network, that is to say, closely node be this node the neighbouring node of the adjacent node of adjacent node and this node left and right up and down.For example, for the node in centre position, the quantity of the nearly node of this node is 8.
Node far away is the left side two towing cable adjacent with the towing cable at this node place and the node of the non-nearly node on the towing cable of two, the right.
2) quantity of node far away is 1 or 2.
3) for the node in centre position, the quantity P of its interdependent node is 6,7 or 8.Wherein, the node in centre position is the node that its surrounding all has adjacent node.
4) for the node of marginal position, the quantity P of its interdependent node is 6 or 7.Wherein, Yi Bian the node of marginal position has in its surrounding the node that there is no adjacent node.
5) for the node of corner location, the quantity P of its interdependent node is 4 or 5.Wherein, the node of marginal position has both sides there is no the node of adjacent node in its surrounding.
Those skilled in the art are noted that the quantity P of interdependent node is relevant with the channel quality between node, and channel quality is poorer, and the value of P is larger.Wherein, the method for measure channel quality is well known to a person skilled in the art.
Chnnel coding allocation strategy in step 302 is:
1) in the whole network, M*N node shares Q chnnel coding.
2), for each node, the chnnel coding of other node in the coverage of its cdma communication signal is not identical with the chnnel coding of this node.That is to say, for a cdma communication signal, other cdma communication signal in its coverage can not have the chnnel coding identical with it.
Q represents the quantity of chnnel coding.Conventionally, the number of nodes M*N in the whole network is much larger than chnnel coding quantity Q.In one embodiment, number of nodes is 41*16, and the quantity of chnnel coding is 64.
In cdma communication, the chnnel coding of use is the coding that Gold pseudo random sequence generates (Gold pseudo random sequence is the good pseudo random sequence of a specific character that R.Gold in 1967 proposes and analyzes in m sequence basis).
It should be noted that, chnnel coding strategy guaranteed, in the whole network, each node can intercom based on cdma communication mechanism simultaneously mutually.
Step 202: Control Server is according to the whole network chnnel coding model of calculating, issues corresponding node configuration information to each node in the whole network.
In one embodiment, the node configuration information of node 22 is as shown in table 1.
Table 1
In table 1,9 different chnnel codings that chnnel coding 1～9 represents in Q chnnel coding.As can be known from Table 1, node 22 is the nodes in a centre position, and its interdependent node comprises 6 nearly nodes and 2 nodes far away.
In this embodiment, in the whole network, the node far away of each node is all positioned at the node below of this node.
Control Server can be issued to each node by corresponding node configuration information by the wire message way on each towing cable.The technological means how Control Server specifically communicates by the node on wire message way and each towing cable, is well known to a person skilled in the art, repeats no more here.
Step 203: when each node is received the instruction of the startup range finding that Control Server sends in the whole network, according to node configuration information separately, carry out acoustic range based on cdma communication simultaneously simultaneously, obtain the result of finding range.Specifically,
Control Server can send to each node in the whole network the instruction that starts range finding in the mode of broadcast by the wire message way on each towing cable simultaneously.
In this step, in the whole network, each node carries out acoustic range simultaneously and measures the distance between this node and its interdependent node, comprising: in the whole network, each node starts timer separately simultaneously; Right according to itself the coding in its configuration information, based on cdma communication mechanism, send acoustic signals simultaneously; Next, for each node in the whole network, when this node receives acoustic signals, this node is used each interdependent node coding in its configuration information right, based on cdma communication mechanism, determine that whether the acoustic signals of receiving is from one in its interdependent node respectively, if determine one (interdependent node that below this interdependent node has been called to range finding) in auto-correlation node, under this nodes records, this completes the time value corresponding to node serial number sum counter of the interdependent node of range finding; When whole interdependent nodes of this node have all been defined as the interdependent node of range finding, this node completes range finding.
When node completes range finding, under this nodes records, the node serial number of its each interdependent node and corresponding time value corresponding to counter, obtained range finding result.The propagation time that it will be clear to someone skilled in the art that sound wave is constant, so the acoustic transit time of the interdependent node of a node has represented the distance between this node and interdependent node.
Wherein, according to coding to based on cdma communication mechanism, send acoustic signals and according to coding to determining that based on cdma communication mechanism whether acoustic signals is from the specific implementation of this coding to corresponding node, conventional techniques means for those skilled in the art repeat no more herein.
Step 204: Control Server, according to the range finding result of each node in the whole network, adopts triangle geometric algorithm to calculate the coordinate of each node in the whole network.Wherein, triangle geometric algorithm is known to the skilled person.
It should be noted that, the interdependent node of node comprises a plurality of nearly nodes and 1 or 2 nodes far away, the effect that comprises node far away is, avoid when certain node acoustic range failure, providing complete range finding result time, the recurrence relation fracture that triangle geometric algorithm is required, triangle geometric algorithm can not calculate the coordinate of each node in the whole network.
Fig. 4 is the composition structural representation that obtains the system of each node location in marine tow the whole network, as shown in Figure 4, comprises each node in Control Server and the whole network, and Control Server comprises model computation module, configuration information sending module and coordinate computing module.Wherein,
Model computation module, for according to the whole network size M*N obtaining, calculates the whole network chnnel coding model.Wherein, the whole network size M*N represents in the whole network N row, often lists and is provided with M node.
Configuration information sending module, for according to from the whole network chnnel coding model of model computation module, issues corresponding node configuration information to each node in the whole network; Wherein, the coding that node configuration information comprises this node to and the coding of the interdependent node of this node right, coding to by as node between the uniquely identified nodes encoding in the whole network and node the required chnnel coding of code division multiple access cdma communication form.
Each node in the whole network for when receiving the instruction of finding range from the startup of configuration information sending module simultaneously, according to node configuration information separately, carries out acoustic range based on cdma communication simultaneously, obtains the result of finding range.
Coordinate computing module, for according to the range finding result from each node of the whole network, adopts triangle geometric algorithm to calculate the coordinate of each node in the whole network.
Wherein,
The whole network chnnel coding model comprises M*N model information item, a node in the corresponding the whole network of model information item, and model information item comprises the node configuration information of the node of this model information item correspondence.
Model computation module specifically for:
The whole network size M*N according to obtaining, carries out unique identification to each node in the whole network, obtains the nodes encoding of each node;
According to the range finding Path Planning setting in advance and chnnel coding allocation strategy, obtain the whole network chnnel coding model.
Path Planning is:
1) for each node, the interdependent node of this node comprises nearly node and node far away, wherein, nearly node is the adjacent node of this node surrounding in the whole network, and node far away is the left side two towing cable adjacent with the towing cable at this node place and the node of the non-nearly node on the towing cable of two, the right;
2) quantity of node far away is 1 or 2;
3) for the node in centre position, the quantity P of its interdependent node is 6,7 or 8;
4) for the node of marginal position, the quantity P of its interdependent node is 6 or 7;
5) for the node of corner location, the quantity P of its interdependent node is 4 or 5.
Chnnel coding allocation strategy is:
1) in the whole network, M*N node shares Q chnnel coding.Wherein, Q represents the quantity of chnnel coding.
2), for each node, the chnnel coding of the node in the coverage of its cdma communication signal is not identical with the chnnel coding of this node.
Although the disclosed execution mode of the present invention as above, the execution mode that described content only adopts for ease of understanding the present invention, not in order to limit the present invention.Those of skill in the art under any the present invention; do not departing under the prerequisite of the disclosed spirit and scope of the present invention; can in the form of implementing and details, carry out any modification and variation; but scope of patent protection of the present invention, still must be as the criterion with the scope that appending claims was defined.
Claims (10)
1. a method of obtaining each node location in marine tow the whole network, is characterized in that, comprising:
Control Server, according to the whole network size M*N obtaining, calculates the whole network chnnel coding model; Wherein, the whole network size M*N represents in the whole network N row, often lists and is provided with M node;
Control Server is according to the whole network chnnel coding model of calculating, to each node in the whole network, issues corresponding node configuration information; Wherein, the coding that node configuration information comprises this node to and the coding of the interdependent node of this node right, coding to by as node between the uniquely identified nodes encoding in the whole network and node the required chnnel coding of code division multiple access cdma communication form;
When each node is received the instruction of the startup range finding that Control Server sends in the whole network, according to node configuration information separately, based on cdma communication, carry out acoustic range simultaneously simultaneously, obtain the result of finding range;
Control Server, according to the range finding result of each node in the whole network, adopts triangle geometric algorithm to calculate the coordinate of each node in the whole network.
2. method according to claim 1, it is characterized in that, described the whole network chnnel coding model comprises M*N model information item, a node in the corresponding the whole network of model information item, and model information item comprises the node configuration information of the node of this model information item correspondence.
3. method according to claim 2, is characterized in that, described Control Server calculates the whole network chnnel coding model and comprises:
The whole network size M*N according to obtaining, carries out unique identification to each node in the whole network, obtains the nodes encoding of each node;
According to the range finding Path Planning setting in advance and chnnel coding allocation strategy, obtain the whole network chnnel coding model.
4. method according to claim 3, is characterized in that, described Path Planning is:
For each node, the interdependent node of this node comprises nearly node and node far away, wherein, nearly node is the adjacent node of this node surrounding in the whole network, and node far away is the left side two towing cable adjacent with the towing cable at this node place and the node of the non-nearly node on the towing cable of two, the right;
The quantity of node far away is 1 or 2;
For the node in centre position, the quantity P of its interdependent node is 6,7 or 8;
For the node of marginal position, the quantity P of its interdependent node is 6 or 7;
For the node of corner location, the quantity P of its interdependent node is 4 or 5.
5. method according to claim 3, is characterized in that, described chnnel coding allocation strategy is:
In described the whole network, M*N node shares Q chnnel coding; Wherein, Q represents the quantity of chnnel coding;
For each node, the chnnel coding of the node in the coverage of its cdma communication signal is not identical with the chnnel coding of this node.
6. a system of obtaining each node location in marine tow the whole network, is characterized in that, comprises each node in Control Server and the whole network, and Control Server comprises model computation module, configuration information sending module and coordinate computing module, wherein,
Model computation module, for according to the whole network size M*N obtaining, calculates the whole network chnnel coding model; Wherein, the whole network size M*N represents in the whole network N row, often lists and is provided with M node;
Configuration information sending module, for according to from the whole network chnnel coding model of model computation module, issues corresponding node configuration information to each node in the whole network; Wherein, the coding that node configuration information comprises this node to and the coding of the interdependent node of this node right, coding to by as node between the uniquely identified nodes encoding in the whole network and node the required chnnel coding of code division multiple access cdma communication form;
Each node in the whole network for when receiving the instruction of finding range from the startup of configuration information sending module simultaneously, according to node configuration information separately, carries out acoustic range based on cdma communication simultaneously, obtains the result of finding range;
Coordinate computing module, for according to the range finding result from each node of the whole network, adopts triangle geometric algorithm to calculate the coordinate of each node in the whole network.
7. system according to claim 6, it is characterized in that, described the whole network chnnel coding model comprises M*N model information item, a node in the corresponding the whole network of model information item, and model information item comprises the node configuration information of the node of this model information item correspondence.
8. system according to claim 7, is characterized in that, described model computation module specifically for:
The whole network size M*N according to obtaining, carries out unique identification to each node in the whole network, obtains the nodes encoding of each node;
According to the range finding Path Planning setting in advance and chnnel coding allocation strategy, obtain the whole network chnnel coding model.
9. system according to claim 8, is characterized in that, described Path Planning is:
For each node, the interdependent node of this node comprises nearly node and node far away, wherein, nearly node is the adjacent node of this node surrounding in the whole network, and node far away is the left side two towing cable adjacent with the towing cable at this node place and the node of the non-nearly node on the towing cable of two, the right;
The quantity of node far away is 1 or 2;
For the node in centre position, the quantity P of its interdependent node is 6,7 or 8;
For the node of marginal position, the quantity P of its interdependent node is 6 or 7;
For the node of corner location, the quantity P of its interdependent node is 4 or 5.
10. system according to claim 8, is characterized in that, described chnnel coding allocation strategy is:
In described the whole network, M*N node shares Q chnnel coding; Wherein, Q represents the quantity of chnnel coding;
For each node, the chnnel coding of the node in the coverage of its cdma communication signal is not identical with the chnnel coding of this node.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094879A (en) * | 2016-06-07 | 2016-11-09 | 中国海洋石油总公司 | A kind of marine tow line array depth control apparatus |
| CN107274200A (en) * | 2016-04-08 | 2017-10-20 | 湖南易分销电子商务有限公司 | A kind of the whole network differential pin mall system and its application method |
| CN117572428A (en) * | 2023-11-16 | 2024-02-20 | 中国海洋石油集团有限公司 | Ranging method, ranging device, computing equipment and computer storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5668775A (en) * | 1993-11-19 | 1997-09-16 | Geco A.S. | Methods for determining the position of seismic equipment, and applications of the methods |
| CN1656390A (en) * | 2002-05-23 | 2005-08-17 | 输入/输出公司 | Gps-based underwater cable positioning system |
| CN101378293A (en) * | 2007-08-29 | 2009-03-04 | 中国科学院自动化研究所 | Method and apparatus for measuring network node of underwater sensor |
| CN101482614A (en) * | 2008-01-07 | 2009-07-15 | 格库技术有限公司 | Sound propagation velocity modeling method, apparatus and system |
| CN102183798A (en) * | 2011-01-30 | 2011-09-14 | 中国海洋石油总公司 | Measurement and control system of in-ocean towed multi-linear array acoustic positioning device |
| CN103176210A (en) * | 2011-12-19 | 2013-06-26 | 瑟塞尔公司 | Method and device for estimating an inter-node distance between nodes arranged along towed acoustic linear antennas |
-
2014
- 2014-09-11 CN CN201410461390.2A patent/CN104202408B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5668775A (en) * | 1993-11-19 | 1997-09-16 | Geco A.S. | Methods for determining the position of seismic equipment, and applications of the methods |
| CN1656390A (en) * | 2002-05-23 | 2005-08-17 | 输入/输出公司 | Gps-based underwater cable positioning system |
| CN101378293A (en) * | 2007-08-29 | 2009-03-04 | 中国科学院自动化研究所 | Method and apparatus for measuring network node of underwater sensor |
| CN101482614A (en) * | 2008-01-07 | 2009-07-15 | 格库技术有限公司 | Sound propagation velocity modeling method, apparatus and system |
| CN102183798A (en) * | 2011-01-30 | 2011-09-14 | 中国海洋石油总公司 | Measurement and control system of in-ocean towed multi-linear array acoustic positioning device |
| CN103176210A (en) * | 2011-12-19 | 2013-06-26 | 瑟塞尔公司 | Method and device for estimating an inter-node distance between nodes arranged along towed acoustic linear antennas |
Non-Patent Citations (1)
| Title |
|---|
| 杨海: "水声定位信标及多任务检测电路设计", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107274200A (en) * | 2016-04-08 | 2017-10-20 | 湖南易分销电子商务有限公司 | A kind of the whole network differential pin mall system and its application method |
| CN106094879A (en) * | 2016-06-07 | 2016-11-09 | 中国海洋石油总公司 | A kind of marine tow line array depth control apparatus |
| CN106094879B (en) * | 2016-06-07 | 2019-09-06 | 中国海洋石油集团有限公司 | A kind of marine tow line array depth control apparatus |
| CN117572428A (en) * | 2023-11-16 | 2024-02-20 | 中国海洋石油集团有限公司 | Ranging method, ranging device, computing equipment and computer storage medium |
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|---|---|
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