CN110190894B - Block chain data synchronization system based on satellite transmission - Google Patents
Block chain data synchronization system based on satellite transmission Download PDFInfo
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- CN110190894B CN110190894B CN201910534135.9A CN201910534135A CN110190894B CN 110190894 B CN110190894 B CN 110190894B CN 201910534135 A CN201910534135 A CN 201910534135A CN 110190894 B CN110190894 B CN 110190894B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18519—Operations control, administration or maintenance
Abstract
The invention discloses a block chain data synchronization system based on satellite transmission, and relates to the field of block chains, a regional chain port, a ground transmitting station and a signal amplifier. According to the invention, through the satellite 1 and the satellite 2, after receiving electromagnetic waves, the satellite 1 backs up and sends electromagnetic wave signals to the satellite 2 for storage through the wireless generator, when the satellite 1 is knocked down or loss of connection occurs, the satellite 2 can continuously send the electromagnetic waves to the satellite antenna through the signal generator, and then the continuity of electromagnetic wave transmission is ensured, signal exchangers in the satellite 1 and the satellite 2 can exchange signals with each other, so that the electromagnetic waves are prevented from being sent to the satellite antenna through the signal generator by the satellite 1 and the satellite 2 at the same time, when the satellite 2 cannot receive the signals from the satellite 1, the satellite 2 sends the electromagnetic waves to the satellite antenna through the signal generator, and the continuity of electromagnetic wave signal transmission of the satellite 1 and the satellite 2 can be ensured.
Description
Technical Field
The invention relates to the field of block chains, in particular to a block chain data synchronization system based on satellite transmission.
Background
The blockchain technology is a brand new distributed infrastructure and computing mode that uses blockchain data structures to verify and store data, uses distributed node consensus algorithms to generate and update data, uses cryptography to secure data transmission and access, and uses intelligent contracts composed of automated script codes to program and manipulate data.
However, the message sent by the current blockchain port can only be received and stored by a single satellite, and when the satellite is lost or destroyed in military operation, the whole blockchain system is directly paralyzed, which causes the problems of slow message reaction, no message transmission and the like.
Disclosure of Invention
The invention aims to: to solve the problem, a block chain data synchronization system based on satellite transmission is provided.
In order to achieve the purpose, the invention provides the following technical scheme: a block chain data synchronization system based on satellite transmission, comprising: the method comprises the following steps:
area chain port: for publishing information;
a ground transmitting station: the system is used for converting information issued by the port of the regional chain into electromagnetic waves and encrypting the electromagnetic waves;
a signal amplifier: the amplifier is used for amplifying the electromagnetic wave signals;
satellite 1: for receiving electromagnetic waves, making secondary transmissions, and sensing the presence of the satellite 2:
satellite 2: for backing up electromagnetic waves and sensing the presence of satellite 1:
a signal generator: for transmitting electromagnetic waves:
a satellite antenna: for receiving electromagnetic waves generated by satellite 1 or satellite 2.
2. Preferably, a signal exchanger is arranged in each of the satellite 1 and the satellite 2, the satellite 1 and the satellite 2 perform electromagnetic wave signal transmission through a wireless transmitter, and the signal exchanger is used for the satellite 1 and the satellite 2 to mutually sense the existence of each other; the following two cases are distinguished:
the first condition is as follows: the signal exchangers in the satellite 1 and the satellite 2 mutually transmit confirmation signals, at the moment, the satellite 1 and the satellite 2 are intact, and the satellite 1 preferentially transmits the signals to a satellite antenna through a signal generator;
case two: the signal exchanger in the satellite 2 can not receive the signal from the satellite 1, at this time, the satellite 1 is disconnected or destroyed, and the satellite 2 preferentially sends the signal to the satellite antenna through the signal generator.
Preferably, the information issued by the ground transmitting station to the port of the regional chain is encrypted by a HASH function algorithm, and the ground transmitting station can track the emitted electromagnetic waves in real time through the tracking module to monitor whether the electromagnetic waves are intercepted or lost or interfered.
Preferably, the signal amplifier is installed on the satellite 1, and filters and amplifies electromagnetic wave signals, so as to improve the receiving efficiency.
Preferably, the signal generator is installed on the satellite 1 and the satellite 2, and the electromagnetic waves emitted by the signal generator and the ground transmitting station are KU-band electromagnetic waves.
Preferably, the satellite antenna is a pan-shaped antenna, and after receiving the electromagnetic wave, the satellite antenna converts the electromagnetic wave into a digital signal through a software radio on the satellite antenna, and then transmits the digital signal to the user interface through a computer network.
Compared with the prior art, the invention has the beneficial effects that: the invention uses the satellite 1 and the satellite 2, the satellite 1 backs up and sends the electromagnetic wave signal to the satellite 2 for storage through the wireless generator after receiving the electromagnetic wave, when the satellite 1 is knocked down or lost connection occurs during war or when the outer space environment is not good, the satellite 2 can continuously transmit the electromagnetic wave to the satellite antenna through the signal generator, thereby ensuring the continuity of electromagnetic wave transmission, avoiding the interruption of electromagnetic wave signal transmission caused by the damage of the satellite 1, and the signal exchangers in the satellite 1 and the satellite 2 can exchange signals mutually to prevent the satellite 1 and the satellite 2 from transmitting the electromagnetic wave to the satellite antenna through the signal generator simultaneously, when the satellite 1 is destroyed or lost connection, the satellite 2 can not receive the signal from the satellite 1, the signal exchanger in the satellite 2 sends corresponding charge signal to the circuit board, after the circuit board receives the charge signal, the satellite 2 is controlled to send electromagnetic waves to the satellite antenna through the signal generator, and the consistency of the transmission of the electromagnetic wave signals of the satellite 1 and the satellite 2 can be ensured.
Drawings
FIG. 1 is a system flow of the present invention;
fig. 2 is a flowchart illustrating the interaction between the satellite 1 and the satellite 2 according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a block chain data synchronization system based on satellite transmission includes:
area chain port: for publishing information;
a ground transmitting station: the system is used for converting information issued by the port of the regional chain into electromagnetic waves and encrypting the electromagnetic waves;
a signal amplifier: the amplifier is used for amplifying the electromagnetic wave signals;
satellite 1: for receiving electromagnetic waves, making secondary transmissions, and sensing the presence of the satellite 2:
satellite 2: for backing up electromagnetic waves and sensing the presence of satellite 1:
a signal generator: for transmitting electromagnetic waves:
a satellite antenna: for receiving electromagnetic waves generated by satellite 1 or satellite 2.
Example 1
As a preferred embodiment of the present invention: the satellite 1 and the satellite 2 are both provided with a signal exchanger, the satellite 1 and the satellite 2 carry out electromagnetic wave signal transmission through a wireless transmitter, and the signal exchangers are used for sensing the existence of each other between the satellite 1 and the satellite 2; the following two cases are distinguished:
the first condition is as follows: the signal exchangers in the satellite 1 and the satellite 2 mutually transmit confirmation signals, at the moment, the satellite 1 and the satellite 2 are intact, and the satellite 1 preferentially transmits the signals to a satellite antenna through a signal generator;
case two: the signal exchanger in the satellite 2 can not receive the signal from the satellite 1, at this time, the satellite 1 is disconnected or destroyed, and the satellite 2 preferentially sends the signal to the satellite antenna through the signal generator.
By the mode, after the satellite 1 receives the electromagnetic wave, the electromagnetic wave signal is backed up and sent to the satellite 2 for storage through the wireless generator, when the satellite 1 is knocked down or is disconnected during a war period or the outer space environment is not good, the satellite 2 can continuously transmit the electromagnetic wave to the satellite antenna through the signal generator, the transmission continuity of the electromagnetic wave is further ensured, the transmission interruption of the electromagnetic wave signal caused by the damage of the satellite 1 is avoided, the signal exchangers in the satellite 1 and the satellite 2 can exchange signals mutually to prevent the satellite 1 and the satellite 2 from transmitting the electromagnetic wave to the satellite antenna through the signal generator simultaneously, when the satellite 1 is destroyed or disconnected, the signal exchanger in the satellite 2 sends a corresponding charge signal to the circuit board, after the circuit board receives the charge signal, the satellite 2 is controlled to send electromagnetic waves to the satellite antenna through the signal generator, and the consistency of the transmission of the electromagnetic wave signals of the satellite 1 and the satellite 2 can be ensured.
Example 2
As a preferred embodiment of the present invention: the information issued by the region chain end opening is encrypted by the ground transmitting station through a HASH function algorithm, and the ground transmitting station can track the emitted electromagnetic waves in real time through the tracking module and monitor whether the electromagnetic waves are intercepted or lost or interfered.
The HASA function algorithm is to transform an input with an arbitrary length (also called pre-map) into an output with a fixed length, namely a hash value, through a hash algorithm, and the transformation is a compression map, namely, the space of the hash value is usually much smaller than that of the input, different inputs can be hashed into the same output, but the input value cannot be uniquely determined from the hash value.
Example 3
As a preferred embodiment of the present invention: the signal amplifier is installed on the satellite 1, and filters and amplifies electromagnetic wave signals, thereby improving the receiving efficiency.
The output of the preceding stage instrument amplifier is buffered and enters a secondary stage amplifier which is a programmable gain amplifier PGA, the amplified signal has the flattest frequency response characteristic after filtering treatment, the filter is an 8-order low-pass filter which can set the cut-off frequency from 10Hz to 100KHz in a programmable way, the secondary stage filter is a second-order active low-pass filter which is used for eliminating digital interference, the secondary stage of the low-pass filter can be provided with a band-pass filter, the lower limit cut-off frequency of the low-pass filter is set by a toggle switch, the low-pass filter and the band-pass filter can be accessed or skipped in a programmable way, a self-calibration solution realizes zero level calibration of an analog channel and eliminates zero errors under different gain and filtering states, the calibration is automatically completed by hardware, relevant calibration parameters are calibrated before leaving factory and are stored in an EEPROM on a module, and a user does not need to specially operate the function when in normal use, if the calibration parameters stored in the EEPROM need to be modified, then the calibration software provided with the product needs to be run to complete the resetting of the calibration parameters.
Example 4
As a preferred embodiment of the present invention: the signal generator is installed on the satellite 1 and the satellite 2, and the electromagnetic waves emitted by the signal generator and the ground transmitting station are KU-band electromagnetic waves, the KU-band satellite digital broadcast uplink system adopts an uplink power control means so as to automatically compensate or eliminate the attenuation effect of rain, snow, cloud, fog and the like on uplink signals appearing on a satellite uplink, the KU-band satellite single transponder has larger power, is covered by a formed beam mostly, the satellite EIRP is larger, and the KU-band receiving antenna has higher efficiency than a C-band receiving antenna, so the caliber of an antenna for receiving KU-band satellite programs is far smaller than a C-band, thereby effectively reducing the receiving cost and facilitating individual receiving.
Example 5
As a preferred embodiment of the present invention: the satellite antenna is a pan-shaped antenna, and after receiving the electromagnetic wave, the satellite antenna converts the electromagnetic wave into a digital signal through software radio on the satellite antenna, and then transmits the digital signal to a user interface through a computer network, so that a user can conveniently and quickly receive the digital signal.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (1)
1. A block chain data synchronization system based on satellite transmission, comprising: the method comprises the following steps:
area chain port: for publishing information;
a ground transmitting station: the system is used for converting information issued by the port of the regional chain into electromagnetic waves and encrypting the electromagnetic waves;
a signal amplifier: the amplifier is used for amplifying the electromagnetic wave signals;
satellite 1: for receiving electromagnetic waves, making secondary transmissions, and sensing the presence of the satellite 2:
satellite 2: for backing up electromagnetic waves and sensing the presence of satellite 1:
a signal generator: for transmitting electromagnetic waves:
a satellite antenna: for receiving electromagnetic waves generated by satellite 1 or satellite 2;
the satellite 1 and the satellite 2 are both provided with a signal exchanger, the satellite 1 and the satellite 2 transmit electromagnetic wave signals through a wireless transmitter, and the signal exchangers are used for sensing the existence of each other between the satellite 1 and the satellite 2; the following two cases are distinguished:
the first condition is as follows: the signal exchangers in the satellite 1 and the satellite 2 mutually transmit confirmation signals, at the moment, the satellite 1 and the satellite 2 are intact, and the satellite 1 preferentially transmits the signals to a satellite antenna through a signal generator;
case two: a signal exchanger in the satellite 2 cannot receive signals from the satellite 1, at the moment, the satellite 1 is disconnected or destroyed, and the satellite 2 preferentially sends signals to a satellite antenna through a signal generator;
the satellite antenna is a pan-shaped antenna, and after receiving the electromagnetic wave, the satellite antenna converts the electromagnetic wave into a digital signal through software radio on the satellite antenna, and then transmits the digital signal to a user interface through a computer network;
the ground transmitting station encrypts information issued by the port of the regional chain by using a HASH function algorithm, and can track the emitted electromagnetic waves in real time by using a tracking module and monitor whether the electromagnetic waves are intercepted or lost or interfered;
the signal amplifier is arranged on the satellite 1, and is used for filtering and amplifying electromagnetic wave signals, so that the receiving efficiency is improved;
the signal generator is arranged on the satellite 1 and the satellite 2, and the electromagnetic waves emitted by the signal generator and the ground transmitting station are KU-band electromagnetic waves.
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| CN201910534135.9A CN110190894B (en) | 2019-06-20 | 2019-06-20 | Block chain data synchronization system based on satellite transmission |
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