CN201177815Y - Broadcast station simulation system - Google Patents
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- CN201177815Y CN201177815Y CNU2007201788898U CN200720178889U CN201177815Y CN 201177815 Y CN201177815 Y CN 201177815Y CN U2007201788898 U CNU2007201788898 U CN U2007201788898U CN 200720178889 U CN200720178889 U CN 200720178889U CN 201177815 Y CN201177815 Y CN 201177815Y
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Abstract
The utility model relates to the auxiliary design equipment field for broadcast station construction, aims to overcome the disadvantages in the prior art, and provides a simulation system and a simulation method thereof, which can simulate the operation of a broadcast station and can be used for integrating, designing, operating, measuring and controlling the broadcast station in the broadcast station construction and the risk assessment. The structure of the simulation system comprises a man-machine conversation platform, a correlation measure designing platform used for setting the correlativity among broadcast station subsystems, a device database used for storing selected apparatus parameters and a simulation system processing center; the simulation system processing center is respectively connected with the man-machine conversation platform, the correlation measure designing platform and the device database. The simulation system and the simulation method thereof provide very effective design guidance and management basis to a broadcaster and a manager, and is an effective technical means for enhancing the reliability of a broadcasting system of the broadcast.
Description
Technical field
The utility model relates to the broadcasting station and sets up design utility appliance field, a kind of can the establishment and running in the analog broadcasting radio station of saying so more specifically, and the broadcasting station of the sector-style of going forward side by side danger assessment is integrated, the analogue system of design, operation, observing and controlling.
Background technology
Setting up a broadcasting station is a huge engineering, and various fields such as design acoustics, architecture, electronic engineering, electromagnetics, computer engineering need be made of design group the multidigit expert in these fields and design.The basic equipment that the broadcasting station system relates to has thousands of, up to ten thousand, and the renewal speed of these equipment is very fast, even the expert of this area, also can't in time have at fingertips to the product and technology of utilizing characteristic of equipment, more can't understand the compatibility that operates between these equipment and other equipment, whether can the fiduciary level of total system be exerted an influence.The general two kinds of methods that adopt are set up in existing broadcasting station, and a kind of is to set up a little radio station system earlier, and its function of expansion is slowly updated the equipment then, as some traditional broadcasting stations.Though this method stability is high, risk is low, need last several years even the more than ten years but its shortcoming is the system that will set up a maturation, and the expansion of function and new equipment has been subjected to the restriction of existing equipment, upgrades slowly, expands the difficulty height.Another kind method is with reference to existing ripe broadcasting station system, sets up a similar system.Though construction speed is fast, perfect in shape and function, but aspect the selecting for use of equipment, if all adopt the equipment of existed system, then can't carry out later renewal and expansion, if adopt new equipment, then risk can't be assessed, need carry out could determining after the demonstration that therefore the input and the risk of this method are all very high.
Existing broadcasting expert system has realized robotization of whole broadcasting station and intellectuality, and the details of each equipment of record in the operation in broadcasting station, comprise running parameters such as fiduciary level, failure rate, set up a perfect device databases.In the process of work, this database provides the foundation and the guide of quick science can for engineering technical personnel and gerentocratic prediction and decision-making.Equally based on this database, in conjunction with many technology categories such as artificial intelligence, control technology and forecasting techniquess, emulation technology will be a systems engineering application technology more intuitively, emulation technology is applied to broadcast industry, can how to be set up a science and safe and reliable broadcasting process system, how to reach best performance price ratio, how to improve the reliability of system, effect after new system sets up how, and the foundation and the guide of quick science are provided when making a strategic decision how for engineering technical personnel and managerial personnel.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of can the emulation broadcasting station operation, be used for that the broadcasting station is set up and the broadcasting station of risk assessment is integrated, the analogue system and the emulation mode thereof of design, operation, observing and controlling.
The utility model is achieved through the following technical solutions its practical novel purpose.
The utility model has designed that a kind of broadcasting station is integrated, the analogue system of design, operation, observing and controlling, and its structure comprises: the man-machine conversation platform; Be used to be provided with the degree of correlation design platform of correlationship between the subsystem of broadcasting station; Be used to store the device databases of selecting device parameter for use; The analogue system processing enter; Be connected with device databases with man-machine conversation platform, degree of correlation design platform respectively with the analogue system processing enter.
The man-machine conversation platform is used for class parameter, the specific requirement that the deviser imports the broadcasting station, and can feed back the design and the simulation result in broadcasting station.The man-machine conversation platform adopts man-machine intuitively graphical dialog interface, the operator only need be according to the general module of system, choose and adjust the equipment of the needs of each module, just can finish the system design of whole broadcast technology in short time, accomplish both convenient and swiftly, avoid the omission in the design process again.The man-machine conversation platform comprises basic demonstration output device and computer entry device, and is provided with the expansion that general-purpose interface is used to export output device.
Broadcasting technology mainly comprises: Master Control Room, studio, recording studio, acoustic finishing, professional air-conditioning, robotization, broadcast, hotline, satellite transmission automatically, relay live, links such as foldback is monitored, security personnel gate inhibition, closed circuit monitoring, gps clock, CATV (cable television), technology power supply, the correlationship of each link is extremely important for the scale and the systems organization of system, so before carrying out system design, determine that these subsystem correlationships are extremely important.Degree of correlation design platform calculates the degree of correlation of each subsystem earlier according to whether relevant between each subsystem of deviser's input, judges whether to meet the grade of design for the deviser.If the degree of correlation of each subsystem meets design grade, then degree of correlation design platform is according to annexation default in the system, export the system architecture in whole broadcasting station, and demonstrate the annexation of each subsystem from the man-machine conversation platform with graphic model, so that next step specific design of designer.Degree of correlation design platform can be finished by a computing machine that corresponding software is installed.
Make up one can virtual reality the broadcasting station analogue system, must adopt popular, up-to-date and the most comprehensive facility information on the current social, therefore must set up a large-scale device databases, the information of device databases comprises: device name, unit type, producer, device type, price, the place of production, purposes, equipment size, device parameter, performance parameter etc.These data must be carried out the timing renewal, to keep the validity and the science of device data.The broadcasting equipment kind is many, renewal speed is fast, and obtaining and upgrade up-to-date data as how the fastest speed is links that system must consider.System can further expand, and described device databases is provided with the network updating interface.Utilize network technology, cooperate, do an equipment control network platform and interface, both made things convenient for supplier's stock control, can realize broadcasting the real time automatic update of the equipment library of analogue system again with each big supplier.The design and simulation that is established as technical module in this personnel equipment data storehouse is laid a good foundation.
The analogue system processing enter is the data processing centre (DPC) of total system, comprises investment emulation module, system performance evaluation module at least, emulation module, fault simulation module are installed, move emulation module and build one or more in the acoustic environment analog module.Broadcasting station grade, the degree of correlation, selected equipment that data processing centre (DPC) can be provided with according to the deviser, the parameter of the concrete equipment in the bonding apparatus database calculates investment, the reliability of system; The quantity that required rack is installed is provided; Carry out the failure risk assessment; Move emulation, the performance of evaluating system and the construction suggestion that provides each acoustical chamber.According to the processing power of calculated amount and computing machine, analogue system processing enter and degree of correlation design platform are made of the computing machine that an one or multi-section are equipped with corresponding software.The analogue system processing enter also is provided with the interface that carries out data transmission with the broadcasting station expert system, and the on-line operation of the monitoring module of broadcasting station expert system and analyses and prediction module is for the broadcasting equipment of on-line operation provides reliability data accurately.Adopt computing machine to finish comprehensive this work, overcome in the prior art artificial calculate or calculate item by item very loaded down with trivial details, speed slow and the result of calculation of every field can't be carried out the defective of comprehensive analysis.Native system can provide design result after input parameter and selection equipment, and more exchange device compares, and design process is very simple and convenient at once.The expert who need not every field proves analysis, and general designer also can finish design to whole broadcasting station by this system, and draws its cost performance and failure risk.Greatly reduce the broadcasting station design cost, shorten the design cycle and reduced the risk of broadcasting station follow-up operation.
The emulation mode of above-mentioned analogue system specifically may further comprise the steps:
1. according to the degree of correlation requirement in the broadcasting station of institute's emulation, correlationship between the subsystem of broadcasting station is set by the man-machine conversation platform;
2. degree of correlation design platform calculates the degree of correlation according to correlationship is set, and exports the annexation between each subsystem;
3. according to the annexation of output, the slave unit database is selected concrete equipment;
4. the analogue system processing enter is according to concrete copying, and parallel processing by the following method:
Call the investment emulation module, the price parameter of fetch equipment in the slave unit database, accumulative total subsystem investment, and according to subsystem investment accumulative investment total value.The calling system performance estimation module, the fiduciary level of the reliability parameter computing subsystem of fetch equipment in the slave unit database, and calculate the fiduciary level in whole broadcasting station according to the fiduciary level of subsystem.Call the installation emulation module, the dimensions of fetch equipment in the slave unit database is calculated the quantity of required rack.Call the fault simulation module, the failure rate of fetch equipment in the slave unit database is carried out statistical and is separated out the high period of failure-frequency in the running of whole broadcasting station.Call the operation emulation module, from importing a simulation source of sound, the running parameter of fetch equipment in the slave unit database is exported source of sound by the quality behind each subsystem.Call and build the acoustic environment analog module, according to recording studio or studio build the acoustic environment rank, limit in the analogue system processing enter slave unit database for and equipment and the material selected.
5. the analogue system processing enter outputs to the man-machine conversation platform with the aforementioned calculation result.
The above-mentioned steps 2. degree of correlation of middle system is calculated by the following method:
Calculate total item number, subsystem of every increase, total item number increases by 1, deposits in the computing machine temporary storage.Calculate the strong correlation item number, according to setting, each subsystem is relevant with other subsystems, and the strong correlation item number increases by 1, deposits in the computing machine temporary storage.From temporary storage, read strong correlation item number and total item number, the strong correlation item number divided by total item number, is drawn the subsystem degree of correlation, deposit in the computer memory.By the man-machine conversation platform output subsystem degree of correlation.
For some new equipment, when equipment supplier and device fabrication producer did not all provide the reliability of establishing the She nationality, distributed over Fujian, Zhejiang, Jiangxi and Guangdong or these important technical parameter of equipment failure rate to the user, according to the equipment of maturation, its price became the relation of similar direct ratio with reliability.And, according to of the same type and, have the principle of correlativity with the product and the equipment of class.Above-mentioned steps 4. in when the reliability parameter of no concrete equipment in the device databases, computing equipment fiduciary level by the following method:
Read the price Pi that treats locking equipment in the slave unit database, deposit in the computing machine temporary storage;
Read and treat the price P0 and the reliability R 0 of the immediate equipment of the same type of price of locking equipment in the slave unit database, deposit in the computing machine temporary storage;
With above-mentioned parameter substitution formula, calculate the fiduciary level for the treatment of locking equipment
R
i=R
0+ (1-R
0) (1-P
0/ P
i), deposit device databases in and treat in the fiduciary level item of locking equipment.
System is formed by link combinations by equipment, and the fiduciary level of system is calculated with its interconnective mode according to the fiduciary level of individual equipment and got.Therefore the fiduciary level in 4. middle subsystem of described step and whole broadcasting station can be calculated by the following method:
According to the annexation of equipment in the subsystem, subsystem split into include only two equipment single link;
Read the reliability R A and the RB of two equipment in the single link in the slave unit database, and judge that the type of link is a serial or parallel connection;
It is series connection that link closes, and the reliability R L1=RA*RB of link deposits in the computing machine temporary storage;
It is in parallel that link closes, the reliability R L2=1-[(1-RA of link) * (1-RB)], deposit in the computing machine temporary storage;
According to the computing method of above-mentioned serial or parallel connection, by the fiduciary level of the fiduciary level computing equipment upper strata link of equipment lower floor link, so analogize, calculate the fiduciary level of subsystem, deposit in the computer memory;
According to the computing method of above-mentioned serial or parallel connection, by the fiduciary level of the fiduciary level computing subsystem upper strata link of subsystem lower floor link, so analogize, calculate the fiduciary level in whole broadcasting station, deposit in the computer memory;
Fiduciary level by man-machine conversation platform output subsystem and whole broadcasting station.
Native system is on the basis of the monitoring module of broadcasting expert system and analyses and prediction module, makes full use of Computer Multimedia Technology and virtual reality technology, a cover analogue system that develops in conjunction with a large amount of knowledge bases.Native system and emulation mode thereof have overcome the difficulty of cross-cutting design in the prior art, can analyze lot of data, have reduced the workload of broadcasting station design greatly, have shortened the design cycle, reduce design cost.The dirigibility height of design, at design process replacement equipment at any time, the design result of different schemes relatively.The operator scheme of camera bellows formula, the designer only needs input parameter and selection equipment, and system just can provide the result, need not to consider whole computation process.Operation is simple and convenient very, and general designer also can skillfully operate, and has solved the trouble that existing method for designing need design together with a plurality of domain experts.Native system and emulation mode provide very effective design guide and administration base for broadcasting person and supvr, are the effective technology means of the reliability that improves the broadcasting broadcast system.The utlity model has outstanding substantive distinguishing features and obvious improvement with respect to prior art.
Description of drawings
Fig. 1 is system module figure of the present utility model;
Fig. 2 is the utility model system chart and device design interface.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
A kind of broadcasting station as shown in Figure 1 is integrated, the analogue system of design, operation, observing and controlling, comprising: man-machine conversation platform 2; Be used to be provided with the degree of correlation design platform 3 of correlationship between the subsystem of broadcasting station; Be used to store device databases 4 and the analogue system processing enter 1 of selecting device parameter for use, analogue system processing enter 1 is connected with man-machine conversation platform 2, degree of correlation design platform 3 and device databases 4 respectively.Wherein analogue system processing enter 1 comprises investment emulation module 11, system performance evaluation module 12, emulation module 13, fault simulation module 14, operation emulation module 15 are installed and build acoustic environment analog module 16.Man-machine conversation platform 2 can be divided into broadcasting centre system integration emulation interface, broadcasting station 21, broadcasting station transmission emission coefficient integrated emulation interface 22, acoustic environment emulation interface 23 is built in the broadcasting station and the broadcasting station technological system moves emulation interface 24.Device databases 4 is made of the disk array, and is provided with the network updating interface that is connected with network 6.Analogue system processing enter 1 and degree of correlation design platform 3 are made of the computing machine that corresponding software is installed, and are connected with the input and output platform as man-machine conversation platform 2, and are provided with the interface that is connected with broadcasting station expert system 5.Below be that example illustrates the concrete course of work of the present utility model with broadcasting station broadcasting centre system integration emulation.
At first enter broadcasting centre system integration emulation interface, broadcasting station 21, degree of correlation requirement according to the broadcasting station of institute's emulation, by the man-machine conversation platform correlationship between the subsystem of broadcasting station is set, the broadcasting technology of present embodiment mainly comprises: Master Control Room, studio, recording studio, acoustic finishing, professional air-conditioning, robotization, broadcast, hotline, satellite transmission automatically, relay live, subsystems such as foldback is monitored, security personnel gate inhibition, closed circuit monitoring, gps clock, CATV (cable television), technology power supply.Interface shown in the following table for degree of correlation design, above-mentioned subsystem forms a matrix table, and the designer only need operate mouse or keyboard, represents to get final product in matrix table at two subsystems with correlationship.As shown in FIG., numeral " 1 " is represented two subsystem strong correlations, and digital " 0 " represents two subsystems weak relevant.
After above-mentioned setting, degree of correlation design platform 3 calculates the degree of correlation according to correlationship is set, in considering analogue system technological parameter selection course, need to judge each parameter of letter in analogue system the status and the correlativity between parameter, promptly judge its strong correlation or weak relevant R={R
Ij| R
Ij∈ R, i, j=1,2 ... ..n}.Concrete computing method are as follows: calculate total item number, and subsystem of every increase, total item number increases by 1, deposits in the computing machine temporary storage; Calculate the strong correlation item number, according to setting, each subsystem is relevant with other subsystems, and the strong correlation item number increases by 1, deposits in the computing machine temporary storage; From temporary storage, read strong correlation item number and total item number, the strong correlation item number divided by total item number, is drawn the subsystem degree of correlation, deposit in the computer memory; By the man-machine conversation platform 2 output subsystem degrees of correlation, as shown in FIG..
The designer judges that according to the data of the degree of correlation whether the degree of correlation adheres to specification, and can do further adjustment.Degree of correlation design platform 3 will be exported the annexation between each subsystem after determining, and by 2 demonstrations of man-machine conversation platform, the part system chart of the broadcasting centre of showing as Fig. 2 top branch, and further exported the equipment connecting relation of each subsystem.Operation interface design by figure is very simple, by a certain equipment of click, 1 of analogue system processing enter filters out the alternative Verbose Listing of this equipment in the slave unit database automatically, comprises information such as device name, unit type, producer, device type, price, the place of production, purposes, equipment size, device parameter, performance parameter.Shown in the list of devices of Fig. 2 lower part, only need to adopt click can select concrete equipment.
The group system equipment is selected to finish, and analogue system processing enter 1 will be called investment emulation module 11 automatically, the price parameter of fetch equipment in the slave unit database 4, and accumulative total subsystem investment, and according to subsystem investment accumulative investment total value, as shown in FIG..
Calling system performance estimation module 12 simultaneously automatically, the fiduciary level of the reliability parameter computing subsystem of fetch equipment in the slave unit database 4, and calculate the fiduciary level in whole broadcasting station according to the fiduciary level of subsystem, specifically be calculated as follows:
System is formed by link combinations by equipment, and the fiduciary level of system is calculated according to the fiduciary level of individual equipment and its interconnective mode and got, and at first according to the annexation of equipment in the subsystem, subsystem is split into include only two equipment single link.Read the reliability R A and the RB of two equipment in the single link then in the slave unit database 4, and judge that the type of link is a serial or parallel connection: it is series connection that link closes, and the reliability R L1=RA*RB of link deposits in the computing machine temporary storage; It is in parallel that link closes, the reliability R L2=1-[(1-RA of link) * (1-RB)], deposit in the computing machine temporary storage.According to the computing method of above-mentioned serial or parallel connection, by the fiduciary level of the fiduciary level computing equipment upper strata link of equipment lower floor link, so analogize, calculate the fiduciary level of subsystem, deposit in the computer memory; According to the computing method of above-mentioned serial or parallel connection, by the fiduciary level of the fiduciary level computing subsystem upper strata link of subsystem lower floor link, so analogize, calculate the fiduciary level in whole broadcasting station, deposit in the computer memory; By the fiduciary level in man-machine conversation platform 2 output subsystems and whole broadcasting station, as shown in Figure 2.
Aspect the relevant criterion of reliability, China radio and television department is formulated: the fault during broadcast in the broadcasting station is broken rate for being less than or equal to per hundred hours 30 seconds.Be the rate of breaking in broadcasting station or be called failure rate λ and be: λ=30s/100h=0.00008=0.008%
According to
T wherein
0It is 1 month timing statistics.So relative standard's reliability R of system
Standard=0.944.Therefore, had after this standard, the fiduciary level of analogue system has just had reference frame accurately, and can do following description:
System also calls automatically emulation module 13 is installed, and the dimensions of fetch equipment in the slave unit database 4 is calculated the quantity of required rack, and the price meter accumulative total of rack is gone into gross investment.
For some new equipment, when equipment supplier and device fabrication producer did not all provide the reliability of equipment or these important technical parameter of equipment failure rate to the user, according to the equipment of maturation, its price became the relation of similar direct ratio with reliability.And, according to of the same type and, have the principle of correlativity with the product and the equipment of class.In the aforementioned calculation process when the reliability parameter of no concrete equipment in the device databases 4, computing equipment fiduciary level by the following method: read the price P that treats locking equipment in the slave unit database
i, deposit in the computing machine temporary storage; Read and treat the price P of the immediate equipment of the same type of price of locking equipment in the slave unit database
0And reliability R
0, deposit in the computing machine temporary storage; With above-mentioned parameter substitution formula, calculate the reliability R for the treatment of locking equipment
i=R
0+ (1-R
0) (1-P
0/ P
i), deposit device databases 4 in and treat in the fiduciary level item of locking equipment.
In the design process of emission coefficient, at first enter broadcasting station transmission emission coefficient integrated emulation interface 22, concrete operating process and above-mentioned broadcasting centre system integration simulation process are similar.
From above-mentioned design process as seen, the process of design is very simple, and the designer only need select concrete equipment, and system can provide gross investment and reliability automatically.The designer can also adjust concrete equipment flexibly, and system is replacement investment total value and reliability timely, can carry out fine adjustment to system design, meets the requirements until its gross investment and reliability.And can export several alternative systems simultaneously, for and do further judgement or research.Device databases 4 can carry out parameter update timely with supplier by network 6, receive the parameter update of broadcasting station expert system 5 in real time by data-interface, in time and accurately upgrading of data can further be improved the accuracy of design, reduces the design risk.
Enter the technological system operation emulation interface, broadcasting station 24 of man-machine conversation platform 2, analogue system processing enter 1 will be called fault simulation module 14, the failure rate of fetch equipment in the slave unit database 4, the high period of failure-frequency in the output that the superposes whole broadcasting station running.These move prediction, provide one to safeguard guide to technical attendant, take precautions against in possible trouble, improve maintenance levels, guarantee to broadcast safely, simultaneously, can carry out equipment investment and change the foundation that decision-making is provided to the supvr.Call operation emulation module 15, from importing a simulation source of sound, the running parameter of fetch equipment in the slave unit database 4 is exported source of sound by the quality behind each subsystem.In this module, can simulate the failure prediction that actual moving process takes place, comprise the prediction, the prompting of equipment failure replacement cycle of failure rate, fault type etc.Analog simulation is carried out in broadcast to reality, comprises the broadcast quality index simulation of each link and the simulation of actual sound quality effect, also is the effective reference frame that the broadcasting station staff carries out systematic analysis and evaluation.
Acoustic environment emulation interface 23 is built in the broadcasting station that enters man-machine conversation platform 2, and analogue system processing enter 1 will be called and build the acoustic environment analog module.What the designer imported recording studio or studio builds the acoustic environment rank, according to this rank, limit in the analogue system processing enter 1 slave unit database 4 for and equipment and the material selected.
The utility model makes full use of Computer Multimedia Technology and virtual reality technology, in conjunction with a large amount of knowledge bases, by the man-machine conversation and the virtual platform of this system, for broadcasting person and supvr provide very effective design guide and administration base.
Claims (8)
1. broadcasting station analogue system is characterized in that comprising:
The man-machine conversation platform;
Be used to be provided with the degree of correlation design platform of correlationship between the subsystem of broadcasting station;
Be used to store the device databases of selecting device parameter for use;
The analogue system processing enter;
The analogue system processing enter is connected with device databases with man-machine conversation platform, degree of correlation design platform respectively.
2. broadcasting station according to claim 1 analogue system is characterized in that described analogue system processing enter comprises investment emulation module, system performance evaluation module, emulation module is installed, one or more in fault simulation module and the operation emulation module.
3. broadcasting station according to claim 2 analogue system is characterized in that described analogue system processing enter comprises to build the acoustic environment analog module.
4. broadcasting station according to claim 1 analogue system, it is characterized in that the man-machine conversation platform comprises demonstration output device and computer entry device, device databases comprises one or more disk arrays, and analogue system processing enter and degree of correlation design platform are made of the computing machine that an one or multi-section are equipped with corresponding software.
5. broadcasting station according to claim 1 analogue system is characterized in that described analogue system processing enter also is provided with the interface that carries out data transmission with the broadcasting station expert system.
6. broadcasting station according to claim 1 analogue system is characterized in that described device databases is provided with the network updating interface.
7. broadcasting station according to claim 1 analogue system is characterized in that described man-machine conversation platform comprises broadcasting centre system integration emulation interface, broadcasting station, broadcasting station transmission emission coefficient integrated emulation interface, broadcasting station technological system operation emulation interface.
8. broadcasting station according to claim 7 analogue system is characterized in that described man-machine conversation platform comprises that further the broadcasting station builds acoustic environment emulation interface.
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| CNU2007201788898U CN201177815Y (en) | 2007-12-27 | 2007-12-27 | Broadcast station simulation system |
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|---|---|---|---|
| CNU2007201788898U CN201177815Y (en) | 2007-12-27 | 2007-12-27 | Broadcast station simulation system |
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| CN201177815Y true CN201177815Y (en) | 2009-01-07 |
Family
ID=40217838
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217325B (en) * | 2007-12-27 | 2010-12-01 | 广州人民广播电台 | A simulation method on integration, design, operation, measurement and control of broadcasting station |
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2007
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217325B (en) * | 2007-12-27 | 2010-12-01 | 广州人民广播电台 | A simulation method on integration, design, operation, measurement and control of broadcasting station |
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Granted publication date: 20090107 Termination date: 20121227 |