CN104834226A - Digital satellite simulation system and digital satellite state rapid switching method - Google Patents
Digital satellite simulation system and digital satellite state rapid switching method Download PDFInfo
- Publication number
- CN104834226A CN104834226A CN201510193891.1A CN201510193891A CN104834226A CN 104834226 A CN104834226 A CN 104834226A CN 201510193891 A CN201510193891 A CN 201510193891A CN 104834226 A CN104834226 A CN 104834226A
- Authority
- CN
- China
- Prior art keywords
- state
- digital satellite
- instruction
- satellite
- pond
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Radio Relay Systems (AREA)
Abstract
The invention discloses a digital satellite simulation system and a digital satellite state rapid switching method. The simulation system comprises a current state stack, which stores the current work state of a digital satellite; a target work state stack, which stores the target work state required to be switched; a state table, which stores various work states capable of switching and the context data required for each work state; a state tree, which stores an instruction ID corresponding to the switching of various work states and an instruction ID required for maintaining each work state; an instruction pool, which stores the instructions required for each work state and the switching instructions required for the switching of various work states, and each instruction is corresponding to the only instruction ID number; an execution pool, which stores an instruction sequence which switches from the current work state to the target work state and maintains the target work state, and stores the initial value of dynamics required for the initialization of a dynamic system. The digital satellite simulation system and the digital satellite state rapid switching method is advantageous in that the state pool is adopted, and the automatic and rapid switching of the digital satellite work state can be realized.
Description
Technical field
The present invention relates to space flight, aviation Satellite surveys real technical field, particularly relate to a kind of digital satellite analogue system based on state pond and time clock and digital satellite state fast switch over method.
Background technology
In traditional design of satellites flow process, it is independently carry out that software development in the development of physics satellite hardware, star, Bootload test three links to whole star physical system, and links all uses actual physical satellite hardware environment.But by the restriction of each side such as cost, technical conditions, there is a lot of problem in real physics satellite hardware environment; Various test is carried out, the test with certain risk cannot be correlated with to satellite as multiple batches of same satellite cannot be generated, cannot virtual space task etc.
Digital satellite analogue system utilizes computer software and hardware and network environment, by the digital virtual of satellite data model realization Satellite Product in ground experiment room, is digital pattern by actual physical passing of satelline ground-based computer device virtualization.Digital satellite analogue system replaces the mode of actual physical satellite by satellite digitalization, effectively can solve the problem that traditional use actual physical satellite exploitation cann't be solved, the appearance of digital satellite analogue system can improve satellite development & production power greatly, can promote the quality and reliability of Satellite Product to a great extent simultaneously.
In the use procedure of digital satellite analogue system, if can switch in each duty of satellite fast, then fully can promote the use ability of analogue system on the applied subjects such as satellite task rehearsal, Test to Failure and efficiency.Traditional digital satellite analogue system matches due to needs and dynamical system, and the every state in dynamical system operational process belongs to tight coupling feature, and the state of dynamical system cannot switch fast in operational process; Iff the satellite health switched fast in digital satellite analogue system, due to inconsistent with state existing in dynamical system after duty switching, the satellite health retention time can be caused short, state occurs that abnormal conditions probability is high, and the follow-up continuation of satellite runs easily breaks down.Therefore need a kind of new method, realize the function that satellite health switches automatically fast.
Summary of the invention
The object of the invention is to, for the technical matters that digital satellite in prior art cannot switch fast in each duty, a kind of digital satellite analogue system and digital satellite state fast switch over method are provided, utilization state pond, coordinate dynamical system, achieve the function that digital satellite duty switches automatically fast.
For achieving the above object, the invention provides a kind of digital satellite analogue system, comprise state pond, comprise current state stack, target operating condition stack, state table, State Tree, pool of instructions in described state pond and perform pond; Described current state stack, for preserving the current operating state residing for digital satellite; Described target operating condition stack, the digital satellite state for preserving user's setting switches the target operating condition of required incision; Described state table, for preserving the context data of current each duty switchable of digital satellite and each duty; Described State Tree, for preserving the instruction ID switching corresponding instruction ID and the upper note of each duty maintenance needs between each duty of digital satellite; Described pool of instructions, keeps the instruction needed for each duty for preserving digital satellite and switches the switching command of needs between each duty, wherein every bar instruction uniquely corresponding instruction ID number; Described execution pond, be switched to target operating condition from current operating state for preserving digital satellite and keep the dynamics initial value of instruction sequence needed for target operating condition and dynamical system initialization needs, wherein, instruction in described instruction sequence is from described pool of instructions, and described dynamics initial value is from the context data in described state table.
For achieving the above object, present invention also offers a kind of method that digital satellite state switches fast, adopt digital satellite analogue system of the present invention, comprise the steps: that digital satellite current operating state is filled up in the current state stack in state pond in digital satellite analogue system by (1) in real time; (2), after receiving state fast handover instruction, from the target operating condition stack in state pond, target operating condition corresponding to switching command is read; (3) according to described current state stack and described target operating condition stack, obtain digital satellite be switched to target operating condition from current operating state and keep the dynamics initial value of instruction sequence needed for target operating condition and dynamical system initialization needs, and write in the execution pond in described state pond; (4) from described execution pond, dynamics initial value is read to arrange each entry value of dynamical system original state, from described execution pond, the instructions in instruction sequence is also sent to digital satellite by reading command sequence successively simultaneously, is switched to fast in corresponding target operating condition by digital satellite.
The invention has the advantages that: after digital satellite analogue system receives user's fast state switching command, analogue system can read dynamics initial value to arrange each entry value of dynamical system original state from the execution pond in state pond, send the instructions performed in pond in instruction sequence simultaneously successively, realize digital satellite to be switched to fast in corresponding target operating condition.Utilization state pond, coordinate time pulse, achieve digital satellite duty and automatically switch fast and digital satellite and dynamical system synchronous operation.
Accompanying drawing explanation
Fig. 1, the configuration diagram of digital satellite analogue system of the present invention;
Fig. 2, the configuration diagram of state table of the present invention;
Fig. 3, the configuration diagram of State Tree of the present invention;
Fig. 4, the configuration diagram of pool of instructions of the present invention;
Fig. 5, the configuration diagram in execution pond of the present invention;
Fig. 6, the schematic flow sheet of the method that digital satellite state of the present invention switches fast;
Fig. 7, the quick switch operating schematic flow sheet of digital satellite analogue system state.
Embodiment
Below in conjunction with accompanying drawing, digital satellite analogue system provided by the invention and digital satellite state fast switch over method are elaborated.
With reference to figure 1, the configuration diagram of digital satellite analogue system of the present invention, described analogue system comprises state pond 10, comprises current state stack 11, target operating condition stack 12, state table 13, State Tree 14, pool of instructions 15 and perform pond 16 in described state pond 10.Wherein, the transformational relation between each duty and duty of digital satellite can be preserved in state pond 10, required various Value Datas, and required director data, and real time record satellite current operating state, is convenient to a key and switches fast simultaneously.
Described current state stack 11, for preserving the current operating state residing for digital satellite.
Described target operating condition stack 12, the digital satellite state for preserving user's setting switches the target operating condition of required incision fast.
Described state table 13, for preserving the context data of current each duty switchable of digital satellite and each duty.Described context data comprises the data such as orbital data, attitude data, control unit data, and any satellite system necessarily has an initial startup state.
As optional embodiment, described state table 13 comprises state ID number, state name, No. ID, context table and context table.With reference to figure 2, the configuration diagram of state table of the present invention, described state table 13 preserves data by the form of form, is convenient to store and search.Described state ID number, for each duty of unique identification number satellite, namely corresponding No. ID, the unique states of each duty of satellite identifies; Described state name, for preserving the name of each duty of digital satellite; No. ID, described context table, for the context table that each duty of unique identification number satellite is corresponding; Described context table, for preserving context data corresponding to each duty of digital satellite, i.e. the corresponding unique context table of each duty, each context table has No. ID unique, a context table.Wherein, the context data comprised in state ID in state table 13 number, state name, No. ID, context table and context table can by user people for arranging.
Described State Tree 14, for preserving the instruction ID switching corresponding instruction ID and the upper note of each duty maintenance needs between each duty of digital satellite.State Tree 14 is the State Transferring relational trees between each duty of digital satellite, describes between each duty and switches corresponding instruction ID, and each duty keeps the instruction ID needing upper note.
As optional embodiment, each node correspondence in described State Tree 14 keeps all instruction ID of the required upper note of this duty, and every bar limit corresponding states switches the instruction ID needed.With reference to figure 3, the configuration diagram of State Tree of the present invention, wherein, the duty that each node in State Tree 14 is corresponding gathers from state table 13, and instruction ID corresponding to each node and every bar limit can be filled in before digital satellite analogue system is run by user.
Described pool of instructions 15, keeps switching between the instruction needed for each duty (as track injecting data etc.) and each duty the switching command of needs for preserving digital satellite, wherein every bar instruction uniquely corresponding instruction ID number.With reference to figure 4, the configuration diagram of pool of instructions of the present invention, wherein, the content of instruction ID and every bar instruction in pool of instructions 15 can have been filled in before digital satellite analogue system is run by user.
Described execution pond 16, is switched to target operating condition from current operating state for preserving digital satellite and keeps the dynamics initial value of instruction sequence needed for target operating condition and dynamical system initialization needs.With reference to figure 5, the configuration diagram in execution pond of the present invention, wherein, the instruction in described instruction sequence is from described pool of instructions 15, and described dynamics initial value is from the context data in described state table 13.The detailed process of dynamics initial value write is: target operating condition is read in state pond 10 from target operating condition stack 12; By searching the context table that state table 13 finds target operating condition corresponding, the dynamics initial value write that the context data in context table needs as dynamical system initialization is performed in the dynamics initial value in pond 16.The detailed process of instruction sequence write is: state pond 10 is by the state in comparison current state stack 11 and the position of state in State Tree 14 in target operating condition stack 12, and automatic search finds state to switch the shortest path needed; Obtain each instruction ID needed for handoff procedure according to shortest path, and from pool of instructions 15, read command adapted thereto according to each instruction ID and form instruction sequence write in order and perform in the instruction sequence in pond 16; Obtain all instruction ID that state corresponding to the node of target operating condition in State Tree 14 keeps needing, and read from pool of instructions 15 according to instruction ID in the described instruction sequence in command adapted thereto write execution pond 16.
By digital satellite analogue system of the present invention, current operating state residing for digital satellite is filled up in the current state stack in state pond by analogue system at any time, is that the digital satellite that user fills in needs to switch the duty entered fast in target operating condition stack; After analogue system receives user's fast state switching command, analogue system can read dynamics initial value from the execution pond in state pond, each entry value of dynamical system original state is set, from described execution pond, the instructions in instruction sequence is also sent to digital satellite by reading command sequence successively simultaneously, realizes digital satellite to be switched to fast in corresponding target operating condition.
With reference to figure 6, the schematic flow sheet of the method that digital satellite state of the present invention switches fast, adopts digital satellite analogue system of the present invention.Described method comprises the steps: S61: be filled up in the current state stack in state pond in digital satellite analogue system by digital satellite current operating state in real time; S62: after receiving state fast handover instruction, reads target operating condition corresponding to switching command from the target operating condition stack in state pond; S63: according to described current state stack and described target operating condition stack, obtain digital satellite be switched to target operating condition from current operating state and keep the dynamics initial value of instruction sequence needed for target operating condition and dynamical system initialization needs, and write in the execution pond in described state pond; S64: read dynamics initial value to arrange each entry value of dynamical system original state from described execution pond, from described execution pond, the instructions in instruction sequence is also sent to digital satellite by reading command sequence successively simultaneously, is switched to by digital satellite in corresponding target operating condition fast; Below provide the detailed description of said method.
S61: in real time digital satellite current operating state is filled up in the current state stack in state pond in digital satellite analogue system.
Current operating state residing for digital satellite is filled up in the current state stack in state pond by digital satellite analogue system at any time, is that the digital satellite that user fills in needs to switch the target operating condition entered fast in target operating condition stack.
S62: after receiving state fast handover instruction, reads target operating condition corresponding to switching command from the target operating condition stack in state pond.
S63: according to described current state stack and described target operating condition stack, obtain digital satellite be switched to target operating condition from current operating state and keep the dynamics initial value of instruction sequence needed for target operating condition and dynamical system initialization needs, and write in the execution pond in described state pond.
As optional embodiment, obtain dynamics initial value further in the following way: according to the target operating condition in target operating condition stack, by the context table that the state table searching described state pond finds target operating condition corresponding, the dynamics initial value write that the context data in context table needs as dynamical system initialization is performed in the dynamics initial value in pond.
As optional embodiment, instruction sequence needed for acquisition is further in the following way: the current operating state in 1) comparison current state stack and the target operating condition in the target operating condition stack position in the State Tree in described state pond, and automatic search finds state to switch the shortest path needed; 2) obtain each instruction ID needed for handoff procedure according to described shortest path, and from the pool of instructions in described state pond, read command adapted thereto according to each instruction ID and form instruction sequence write in order and perform in the instruction sequence in pond; 3) obtain all instruction ID that state corresponding to the node of target operating condition in State Tree keeps needing, and from the pool of instructions in described state pond, read command adapted thereto according to instruction ID and write in described instruction sequence.
S64: read dynamics initial value to arrange each entry value of dynamical system original state from described execution pond, from described execution pond, the instructions in instruction sequence is also sent to digital satellite by reading command sequence successively simultaneously, is switched to fast in corresponding target operating condition by digital satellite.
The present invention, further combined with time pulse, while digital satellite is switched in corresponding target operating condition by realization fast, makes digital satellite and dynamical system synchronous operation.As preferred embodiment, comprise further after step S64: S65: when after time point waiting status in the target satellite corresponding to digital satellite and the equal target approach duty of dynamical system, to the last Preset Time of time point in target satellite when time pulse is jumped automatically; S66: when time pulse arrives time point in target satellite, time pulse sends pulse per second (PPS) to digital satellite analogue system, and digital satellite and dynamical system start simultaneously, starts synchronous operation.
When time point waiting status in the target satellite corresponding to digital satellite and the equal target approach duty of dynamical system, can realize in the following manner further: 1) when the duty of digital satellite to arrive in target satellite needed for time point during state, the time of digital satellite drives and is switched to autonomous time module on star, simultaneously digital satellite analogue system sends time service instruction to digital satellite, is some seconds before time point by the time service of time module autonomous on star in target satellite; 2) when on digital satellite use star, autonomous time module moves to time point in target satellite, digital satellite analogue system is by digital satellite operation suspension and dynamical system restarted, dynamical system returns to the dynamics initial value in target satellite needed for time point, wherein, digital satellite is in waiting status in dynamical system restarting process; 3), after dynamical system has been restarted, waiting status is entered.
By the method that digital satellite state of the present invention switches fast, after digital satellite analogue system receives user's fast state switching command, analogue system can read dynamics initial value to arrange each entry value of dynamical system original state from the execution pond in state pond, send the instructions performed in pond in instruction sequence simultaneously successively, realize digital satellite to be switched to fast in corresponding target operating condition.Utilization state pond, coordinate time pulse, achieve digital satellite duty and automatically switch fast and digital satellite and dynamical system synchronous operation.
Provide an embodiment of the method that digital satellite state of the present invention switches fast below in conjunction with accompanying drawing, a pair the present invention is further explained explanation.
With reference to figure 7, the quick switch operating schematic flow sheet of digital satellite analogue system state.Suppose T
ptime for need analogue system to cut fast target operating condition corresponding to target satellite on time point.
First dynamical system original state is set to T
pthe data values (data obtain from the execution pond in state pond) such as the time required for the time, track, attitude, the digital satellite time uses the dynamics time to drive, and bring into operation analogue system; In digital satellite, upper note is a series of reaches T for analogue system
pvarious associated instruction sequences (comprise orbital data, status switching instruction etc., instruction sequence obtains from the execution pond in state pond) needed for time satellitosis.
When the state of digital satellite arrives T
pneeded for time during state, the time of digital satellite drives and automatically disconnects the dynamics time and be switched to autonomous time module on star; Analogue system sends time service instruction to digital satellite simultaneously, is T by the time service of time module autonomous on star
ptime former second.
When digital satellite uses autonomous time module on star to move to T
pduring time point, analogue system is automatically by digital satellite operation suspension.Now, dynamical system restarts, and returns to T
peach original state amount needed for time; Digital satellite is in waiting status in dynamical system restarting process.After dynamical system has been restarted, keep T
ptime state, also enters waiting status.
When digital satellite and dynamical system all enter T
pafter time waiting status, to T when time pulse is jumped automatically
pΔ T time before time, the size of Δ T time depends on that onsite user wishes the time demand waited for.When time pulse arrives T
pwhen the time, time pulse sends pulse per second (PPS) to analogue system, and digital satellite and dynamics start startup optimization simultaneously, achieves whole analogue system from specific T
pthe function that time state brings into operation, achieves the synchronous operation of dynamical system with digital satellite simultaneously.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a digital satellite analogue system, is characterized in that, comprises state pond, comprises current state stack, target operating condition stack, state table, State Tree, pool of instructions and perform pond in described state pond;
Described current state stack, for preserving the current operating state residing for digital satellite;
Described target operating condition stack, the digital satellite state for preserving user's setting switches the target operating condition of required incision;
Described state table, for preserving the context data of current each duty switchable of digital satellite and each duty;
Described State Tree, for preserving the instruction ID switching corresponding instruction ID and the upper note of each duty maintenance needs between each duty of digital satellite;
Described pool of instructions, keeps the instruction needed for each duty for preserving digital satellite and switches the switching command of needs between each duty, wherein every bar instruction uniquely corresponding instruction ID number;
Described execution pond, be switched to target operating condition from current operating state for preserving digital satellite and keep the dynamics initial value of instruction sequence needed for target operating condition and dynamical system initialization needs, wherein, instruction in described instruction sequence is from described pool of instructions, and described dynamics initial value is from the context data in described state table.
2. digital satellite analogue system according to claim 1, is characterized in that, described state table comprises state ID number, state name, No. ID, context table and context table;
Described state ID number, for each duty of unique identification number satellite;
Described state name, for preserving the name of each duty of digital satellite;
No. ID, described context table, for the context table that each duty of unique identification number satellite is corresponding;
Described context table, for preserving context data corresponding to each duty of digital satellite.
3. digital satellite analogue system according to claim 1, is characterized in that, each node correspondence in described State Tree keeps all instruction ID of the required upper note of this duty, and every bar limit corresponding states switches the instruction ID needed.
4. the method that switches fast of digital satellite state, adopts the digital satellite analogue system described in claim 1-3 any one, it is characterized in that, comprise the steps:
(1) in real time digital satellite current operating state is filled up in the current state stack in state pond in digital satellite analogue system;
(2), after receiving state fast handover instruction, from the target operating condition stack in state pond, target operating condition corresponding to switching command is read;
(3) according to described current state stack and described target operating condition stack, obtain digital satellite be switched to target operating condition from current operating state and keep the dynamics initial value of instruction sequence needed for target operating condition and dynamical system initialization needs, and write in the execution pond in described state pond;
(4) from described execution pond, dynamics initial value is read to arrange each entry value of dynamical system original state, from described execution pond, the instructions in instruction sequence is also sent to digital satellite by reading command sequence successively simultaneously, is switched to fast in corresponding target operating condition by digital satellite.
5. the method that switches fast of digital satellite state according to claim 4, it is characterized in that, obtain dynamics initial value in step (3) to comprise further: according to the target operating condition in target operating condition stack, by the context table that the state table searching described state pond finds target operating condition corresponding, the dynamics initial value write that the context data in context table needs as dynamical system initialization is performed in the dynamics initial value in pond.
6. the method that switches fast of digital satellite state according to claim 4, is characterized in that, the instruction sequence needed for obtaining in step (3) comprises further:
(31) current operating state in comparison current state stack and the target operating condition in the target operating condition stack position in the State Tree in described state pond, automatic search finds state to switch the shortest path needed;
(32) obtain each instruction ID needed for handoff procedure according to described shortest path, and from the pool of instructions in described state pond, read command adapted thereto according to each instruction ID and form instruction sequence write in order and perform in the instruction sequence in pond;
(33) obtain all instruction ID that state corresponding to the node of target operating condition in State Tree keeps needing, and from the pool of instructions in described state pond, read command adapted thereto according to instruction ID and write in described instruction sequence.
7. the method that switches fast of digital satellite state according to claim 4, is characterized in that, comprises further after step (4):
(5) when after time point waiting status in the target satellite corresponding to digital satellite and the equal target approach duty of dynamical system, to the last Preset Time of time point in target satellite when time pulse is jumped automatically;
(6) when time pulse arrives time point in target satellite, time pulse sends pulse per second (PPS) to digital satellite analogue system, and digital satellite and dynamical system start simultaneously, starts synchronous operation.
8. the method that switches fast of digital satellite state according to claim 7, it is characterized in that, taking a step forward of step (5) comprises:
(A) when the duty of digital satellite to arrive in target satellite needed for time point during state, the time of digital satellite drives and is switched to autonomous time module on star, simultaneously digital satellite analogue system sends time service instruction to digital satellite, is some seconds before time point by the time service of time module autonomous on star in target satellite;
(B) when on digital satellite use star, autonomous time module moves to time point in target satellite, digital satellite analogue system is by digital satellite operation suspension and dynamical system restarted, dynamical system returns to the dynamics initial value in target satellite needed for time point, wherein, digital satellite is in waiting status in dynamical system restarting process;
(C), after dynamical system has been restarted, waiting status is entered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193891.1A CN104834226B (en) | 2015-04-22 | 2015-04-22 | A kind of digital satellite analogue system and digital satellite state fast switch over method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193891.1A CN104834226B (en) | 2015-04-22 | 2015-04-22 | A kind of digital satellite analogue system and digital satellite state fast switch over method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104834226A true CN104834226A (en) | 2015-08-12 |
| CN104834226B CN104834226B (en) | 2017-06-20 |
Family
ID=53812180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510193891.1A Active CN104834226B (en) | 2015-04-22 | 2015-04-22 | A kind of digital satellite analogue system and digital satellite state fast switch over method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104834226B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106250623A (en) * | 2016-08-01 | 2016-12-21 | 上海航天控制技术研究所 | A kind of semi physical rapid simulation method steadily switched based on state |
| CN108154036A (en) * | 2018-01-23 | 2018-06-12 | 青岛海信移动通信技术股份有限公司 | The control method and control device of a kind of smart machine |
| CN108932372A (en) * | 2018-06-14 | 2018-12-04 | 上海微小卫星工程中心 | A method of for injecting failure in simulations |
| CN110780922A (en) * | 2019-10-22 | 2020-02-11 | 珠海格力电器股份有限公司 | Instruction generation method and device, electronic equipment and storage medium |
| CN117068405A (en) * | 2023-08-08 | 2023-11-17 | 中国科学院微小卫星创新研究院 | CPS-based digital satellite simulation system and method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060045019A1 (en) * | 2004-09-01 | 2006-03-02 | Patzschke Till I | Network testing agent with integrated microkernel operating system |
| CN101179327A (en) * | 2007-12-11 | 2008-05-14 | 华为技术有限公司 | Control system and method of satellite synchronous receiving card |
| CN102023302A (en) * | 2010-12-17 | 2011-04-20 | 浙江大学 | Multichannel cooperative control method and device in satellite navigation receiver |
| CN102118820A (en) * | 2011-03-25 | 2011-07-06 | 北京航空航天大学 | Continuous state routing algorithm of satellite link network |
| CN102354123A (en) * | 2011-07-18 | 2012-02-15 | 北京航空航天大学 | Cross-platform extendible satellite dynamic simulation test system |
| CN102594417A (en) * | 2012-02-07 | 2012-07-18 | 广西师范大学 | Switchable polarized satellite communication system and polarized switching communication method thereof |
-
2015
- 2015-04-22 CN CN201510193891.1A patent/CN104834226B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060045019A1 (en) * | 2004-09-01 | 2006-03-02 | Patzschke Till I | Network testing agent with integrated microkernel operating system |
| CN101179327A (en) * | 2007-12-11 | 2008-05-14 | 华为技术有限公司 | Control system and method of satellite synchronous receiving card |
| CN102023302A (en) * | 2010-12-17 | 2011-04-20 | 浙江大学 | Multichannel cooperative control method and device in satellite navigation receiver |
| CN102118820A (en) * | 2011-03-25 | 2011-07-06 | 北京航空航天大学 | Continuous state routing algorithm of satellite link network |
| CN102354123A (en) * | 2011-07-18 | 2012-02-15 | 北京航空航天大学 | Cross-platform extendible satellite dynamic simulation test system |
| CN102594417A (en) * | 2012-02-07 | 2012-07-18 | 广西师范大学 | Switchable polarized satellite communication system and polarized switching communication method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106250623A (en) * | 2016-08-01 | 2016-12-21 | 上海航天控制技术研究所 | A kind of semi physical rapid simulation method steadily switched based on state |
| CN106250623B (en) * | 2016-08-01 | 2019-05-24 | 上海航天控制技术研究所 | A kind of semi physical rapid simulation method steadily switched based on state |
| CN108154036A (en) * | 2018-01-23 | 2018-06-12 | 青岛海信移动通信技术股份有限公司 | The control method and control device of a kind of smart machine |
| CN108932372A (en) * | 2018-06-14 | 2018-12-04 | 上海微小卫星工程中心 | A method of for injecting failure in simulations |
| CN110780922A (en) * | 2019-10-22 | 2020-02-11 | 珠海格力电器股份有限公司 | Instruction generation method and device, electronic equipment and storage medium |
| CN117068405A (en) * | 2023-08-08 | 2023-11-17 | 中国科学院微小卫星创新研究院 | CPS-based digital satellite simulation system and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104834226B (en) | 2017-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104834226A (en) | Digital satellite simulation system and digital satellite state rapid switching method | |
| US9830181B2 (en) | Method and system for gracefully shutdown virtual system | |
| WO2017167230A1 (en) | Method for obtaining flight label, terminal, and server | |
| US10860445B2 (en) | Methods and devices for multi-level data protection in a storage system | |
| US8082411B1 (en) | Method and system for logical unit substitution | |
| CN103984309B (en) | Cigarette production system with disaster tolerance function and disaster tolerance exercise method thereof | |
| CN101441586B (en) | Seamless reconstruction method of three-module redundant fault tolerant computer based on micro-packet protocol | |
| CN103713925A (en) | Method and device for avoiding service interruption of storage array in upgrading process | |
| CN108683488A (en) | A kind of soft synchronous method based on artificial rotary table | |
| US10645598B2 (en) | Upgrade controllers and access points by group | |
| WO2016033941A1 (en) | Boot on-line upgrading apparatus and method | |
| CN107871415B (en) | Cloud classroom course switching method, device and system | |
| CN102945193B (en) | A kind of restoration methods and electronic equipment of operation data | |
| CN105824624B (en) | Intelligent terminal multisystem software control method and system | |
| CN104394142B (en) | For realizing the method and system of the automatic master-slave swaps of Redis | |
| CN106016624A (en) | Method and system for automatically switching display languages | |
| CN117459482A (en) | Restarting method and device of switch, storage medium and electronic device | |
| CN102710356B (en) | A kind of real time redundancy master station data synchronization method | |
| CN101159605B (en) | Flow control method capable of implementing state memory and recovery | |
| CN106781807A (en) | A kind of parallel training system of satellite navigation system ground operating personnel and Training Methodology | |
| CN103327105B (en) | Slave node service automatic recovery method in hadoop system | |
| CN115934251A (en) | Method and system for realizing high availability of cloud native NFS | |
| CN105137839B (en) | A kind of cloud platform control method and its system based on memory database | |
| CN104202371A (en) | Cross-device dilation method and device based on iSCSI block direct storage | |
| CN103419201B (en) | Multi-knuckle robot control system based on FPGA (Field Programmable Gate Array) and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |