CN109633702A - A kind of satellite signal receiving processing system and processing method - Google Patents
A kind of satellite signal receiving processing system and processing method Download PDFInfo
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- CN109633702A CN109633702A CN201811611399.1A CN201811611399A CN109633702A CN 109633702 A CN109633702 A CN 109633702A CN 201811611399 A CN201811611399 A CN 201811611399A CN 109633702 A CN109633702 A CN 109633702A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
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Abstract
The embodiment of the invention provides a kind of satellite signal receiving processing system and processing methods, wherein system includes: filter, the first low noise amplifier, frequency mixer, second low noise amplifier, digital analog converter and visual signals processing module, wherein visual signals processing module includes: filtering submodule, signal synchronizes submodule, Base-Band Processing submodule, data analyze submodule, display sub-module.The satellite signal receiving processing system and processing method of the embodiment of the present invention, the reception of satellite-signal can be made synchronous with treatment process holding, to meet tester to the real-time analysis demand of satellite-signal, and, since processing result can directly be shown with visual means, therefore tester can be made intuitively to check satellite-signal processing result at the first time, to improve user experience.
Description
Technical field
The present invention relates to technical field of satellite communication, more particularly to a kind of satellite signal receiving processing system and processing side
Method.
Background technique
Satellite-signal is the signal for carrying information by satellite launch, and ground test personnel can receive satellite-signal
And satellite-signal is handled, satellite-signal is analyzed based on processing result.
Existing satellite-signal processing method, usually after taken outdoors satellite-signal, by satellite-signal with data shape
Formula stores, and then reads previously stored satellite signal data by processing equipment in laboratory again, and then believe satellite
Number is handled and is analyzed.
However, inventor has found in the implementation of the present invention, at least there are the following problems for the prior art: existing to defend
Star signal processing method on the one hand since satellite-signal needs first to acquire and store, then is handled, so that satellite-signal connects
Receipts are separated with treatment process, are unable to satisfy tester to the real-time analysis demand of satellite-signal；On the other hand, tester without
Method causes user experience bad in the processing result for checking satellite-signal at the first time.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of satellite signal receiving processing system and processing method, is defended with realizing
The reception of star signal is synchronous with treatment process to be carried out, to meet tester to the real-time analysis demand of satellite-signal.Specifically
Technical solution is as follows:
A kind of satellite signal receiving processing system, the system comprises: filter, the first low noise amplifier, frequency mixer, the
Two low noise amplifiers, digital analog converter and visual signals processing module；
Wherein, the filter is used to remove the interference signal in received satellite-signal, obtains the first processing signal；Institute
It states and carries information in satellite-signal, the information saves in the form of data packet；The interference signal is preset non-targeted
Receive frequency band signals；
First low noise amplifier obtains second processing signal for amplifying the first processing signal, and described second
The signal-to-noise ratio for handling signal is higher than the signal-to-noise ratio of the first processing signal；
The frequency mixer obtains third processing signal, at the third for reducing the frequency of the second processing signal
The frequency for managing signal is lower than the frequency of the second processing signal；
Second low noise amplifier obtains fourth process signal for amplifying the third processing signal；
The digital analog converter is used to be converted to the fourth process signal the 5th processing signal, wherein the described 4th
Processing signal is analog signal, and the 5th processing signal is binary digital signal；
The visual signals processing module is for receiving and processing the 5th processing signal, and by processing result with can
Mode depending on changing is shown；
Wherein, the visual signals processing module, comprising:
Submodule is filtered, for being filtered to the 5th processing signal, obtains the 6th processing signal, described the
Six processing signals are binary digital signal；
Signal synchronizes submodule, for synchronizing processing to the 6th processing signal, and believes from the 6th processing
Data packet is obtained in number；
Base-Band Processing submodule for being decoded processing to the data packet, and obtains first from the data packet
Serial No.；
Data analyze submodule, for first Serial No. to be compared with the second Serial No., generate analysis
As a result；Wherein, second Serial No. are as follows: the Serial No. carried in satellite original transmitted signal；
Display sub-module, for showing the analysis as a result, including: the mistake ratio of the satellite-signal in the analysis result
Special rate, data throughout and waveform.
Optionally, the Base-Band Processing submodule, is specifically used for:
Demodulation process and/or scramble process and/or deinterleaving processing are carried out to the data packet.
Optionally, the system also includes:
Receiving module, for receiving the satellite-signal of multiple frequency ranges, the frequency range includes: superfrequency uhf band, hyperfrequency
SHF frequency range and extremely high frequency EHF frequency range.
Optionally, the synchronous submodule of the signal is autocorrelation signal synchronizer or cross-correlated signal synchronizer；
The autocorrelation signal synchronizer, for handling the synchronizing sequence carried in signal using the described 6th, to described
6th processing signal carries out auto-correlation synchronization process, and determines the packet header position of each data packet in the 6th processing signal；Base
In the packet header position of identified each data packet, each data packet is extracted from the 6th processing signal；
The cross-correlated signal synchronizer, for utilize preset local synchronization sequence, to it is described 6th processing signal into
Row cross-correlation synchronization process, and determine the packet header position of each data packet in the 6th processing signal；Based on identified each number
According to the packet header position of packet, each data packet is extracted from the 6th processing signal.
Optionally, the frequency mixer, is specifically used for:
The mixing frequencies parameter of user's input is obtained based on graphic interface；
Down conversion process is carried out to the second processing signal using the mixing frequencies parameter.
Optionally, second low noise amplifier, is specifically used for:
The gain parameter of user's input is obtained based on graphic interface；
Processing is amplified to third processing signal using the gain parameter.
The embodiment of the invention also provides a kind of satellite signal receiving processing methods, which comprises
The interference signal in received satellite-signal is removed, the first processing signal is obtained；Wherein, it is taken in the satellite-signal
With information, the information saves in the form of data packet；The interference signal is preset non-targeted reception frequency band signals；
Amplify the first processing signal, obtain second processing signal, the signal-to-noise ratio of the second processing signal is higher than institute
State the signal-to-noise ratio of the first processing signal；
The frequency for reducing the second processing signal, obtains third processing signal, and the frequency of the third processing signal is low
In the frequency of the second processing signal；
Amplify the third processing signal, obtains fourth process signal；
The fourth process signal is converted into the 5th processing signal, wherein the fourth process signal is analog signal,
The 5th processing signal is binary digital signal；
The 5th processing signal is received and processed, and processing result is shown in a manner of visual.
Optionally, described to receive and process the 5th processing signal, and processing result is carried out in a manner of visual
The step of display, comprising:
The 5th processing signal is filtered, obtains the 6th processing signal, the 6th processing signal is two
Binary digits signal；
Processing is synchronized to the 6th processing signal, and obtains data packet from the 6th processing signal；
Processing is decoded to the data packet, and obtains the first Serial No. from the data packet；
First Serial No. is compared with the second Serial No., generates analysis result；Wherein, second number
Word sequence are as follows: the Serial No. carried in satellite original transmitted signal；
The analysis is shown as a result, including: the bit error rate of the satellite-signal, data throughout in the analysis result
And waveform.
Optionally, described the step of processing is decoded to the data packet, comprising:
Demodulation process and/or scramble process and/or deinterleaving processing are carried out to the data packet.
Optionally, before removing the interference signal in received satellite-signal, the method also includes:
Receive the satellite-signal of multiple frequency ranges, the frequency range includes: superfrequency uhf band, hyperfrequency SHF frequency range and high
Frequency EHF frequency range.
A kind of satellite signal receiving processing system and processing method provided in an embodiment of the present invention are receiving satellite-signal
Afterwards, the processing such as it can directly be filtered, amplify, decoding to satellite-signal, and processing result is carried out in a manner of visual
It has been shown that, due to no longer needing first to acquire satellite-signal the operating process of reprocessing, can make connecing for satellite-signal
Receipts are synchronous with treatment process holding, to meet tester to the real-time analysis demand of satellite-signal, also, since processing is tied
Fruit can directly be shown with visual means, therefore tester can be made intuitively to check satellite-signal at the first time
Processing result, to improve user experience.Certainly, it implements any of the products of the present invention or method must be not necessarily required to reach simultaneously
All the above advantage.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of satellite signal receiving processing system provided in an embodiment of the present invention；
Fig. 2 is a kind of flow diagram of satellite signal receiving processing method provided in an embodiment of the present invention；
Fig. 3 is a kind of flow diagram of step S106 in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the invention provides a kind of satellite signal receiving processing system, which includes:
Filter 1, the first low noise amplifier 2, frequency mixer 3, the second low noise amplifier 4, digital analog converter 5, and it is visual
Change signal processing module 6.
Wherein, filter 1 is used to remove the interference signal in received satellite-signal, obtains the first processing signal.It is described
Satellite-signal can be satellite launch, the signal that carries data information, described interference signal can refer to preset
Non-targeted reception frequency band signals, for example, preset intended recipient frequency band signals are S frequency band signals, the i.e. letter of 2~4GHz frequency range
Number, then filter can filter out the signal in received satellite-signal except 2~4GHz frequency range, so that S frequency band signals are obtained, institute
Obtained signal is the first processing signal.
First low noise amplifier 2 is for amplifying the first processing signal, so that second processing signal is obtained, to improve signal
Signal-to-noise ratio, that is, the signal-to-noise ratio of second processing signal is higher than the signal-to-noise ratio of the first processing signal.
Frequency mixer 3 obtains third processing signal, therefore, third handles signal for reducing the frequency of second processing signal
Frequency be lower than second processing signal frequency.
As a kind of optional embodiment of the embodiment of the present invention, above-mentioned frequency mixer can be by obtaining the mixing of user frequently
Then rate parameter carries out Frequency mixing processing to second processing signal using mixing frequencies parameter.
As it can be seen that the configuration information that the mixing frequencies parameter of the frequency mixer of the embodiment of the present invention can be inputted according to user carries out
Debugging, setting and configuration, so that signal frequency desired by user is obtained, while improving user experience, moreover it is possible to instrument be avoided to survey
Measure bring error.Specifically, the mixing frequencies parameter that user's input can be obtained based on graphic interface, to further mention
High ease of use.It should be noted that the mixing principle of frequency mixer is the prior art, the embodiment of the present invention is no longer superfluous herein
It states.
Second low noise amplifier 4 obtains fourth process signal for amplifying third processing signal.
As a kind of optional embodiment of the embodiment of the present invention, the increasing of the above-mentioned available user of second low noise amplifier
Then beneficial parameter amplifies processing to third processing signal using gain parameter, that is, the second low noise amplifier can be gain
Controllable low noise amplifier.
As it can be seen that the configuration information that the gain parameter of the second low noise amplifier of the embodiment of the present invention can be inputted according to user
Capable debugging, setting and configuration are carried out, so that user's desired gain value is obtained, while improving user experience, moreover it is possible to avoid instrument
Device measures bring error.Specifically, the gain parameter that user's input can be obtained based on graphic interface, to further mention
High ease of use.It should be noted that the signal amplification principle of low noise amplifier is the prior art, the embodiment of the present invention is herein
It repeats no more.
Digital analog converter 5 is used to be converted to fourth process signal the 5th processing signal, that is to say, that the before conversion the 4th
Processing signal is analog signal, and the 5th processing signal after converting is specifically as follows binary digital signal into digital signal.
Visual signals processing module 6 is for receiving and processing the 5th processing signal, for example, further filtering processing,
Then the treatment processes such as signal synchronization process and base band signal process can be carried out processing result in a manner of visual
It has been shown that, can make tester intuitively check the processing result of satellite-signal at the first time, to improve user experience.
Wherein, visual signals processing module 6 may include:
Submodule 601 is filtered, for being filtered to the 5th processing signal, the 6th processing signal is obtained, at the 6th
Reason signal is binary digital signal.
In the embodiment of the present invention, filtering submodule can be digital filter, be handled based on impulse response principle the 5th
Signal carries out digital filtering, thus obtain filtered signal, i.e., the 6th processing signal, wherein the 6th processing signal is also two
Binary digits signal.Illustratively, it is assumed that the 5th processing signal is X (t), then can be h's (z) by shock response by X (t)
Filter submodule, the filtering parameter h (z) of the filter can by user preset, optionally, using lowpass digital filter,
To circuit bring influence of noise in removal system, the 6th processing signal Y (t) is obtained, is indicated are as follows:
Wherein, k indicates that discrete sampling point, h (k) indicate the shock response of filter, and t indicates time delay, X (t-k) table
Show input signal.
Signal synchronizes submodule 602, for synchronizing processing to the 6th processing signal, and from the 6th processing signal
To data packet.
Data information in satellite-signal is usually sent in the form of data packet, therefore receiving system can be in reception satellite
Data packet therein is obtained after signal.
In the embodiment of the present invention, the synchronous submodule of signal, such as can be signal synchronizer, it can be used for obtaining at the 6th
Manage the data packet in signal.Include synchronization signal in some satellite-signals, carries synchronizing sequence information in synchronization signal, it can be with
For determining the position of data packet, synchronization signal is not included in some satellite-signals, the system of reception can be by pre-stored
Local synchronization sequence obtains the data packet in satellite-signal.
Therefore, as a kind of optional embodiment of the embodiment of the present invention, the synchronous submodule of signal can be believed for auto-correlation
Number synchronizer or cross-correlated signal synchronizer.
Wherein, autocorrelation signal synchronizer, for handling the 6th using the synchronizing sequence carried in the 6th processing signal
Signal carries out auto-correlation synchronization process, and determines the packet header position of each data packet in the 6th processing signal, is then based on and determines
Each data packet packet header position, from the 6th processing signal in extract each data packet.That is, auto-correlation synchronizer can incite somebody to action
The signal received carries out auto-correlation, can have a peak value in autocorrelative normalized power spectral density function, by this
Peak value can determine the packet header position of data packet, therefore can obtain the data packet of satellite-signal according to the length of synchronizing sequence
Y′(t).Autocorrelative procedural representation are as follows:
In formula, indicate that discrete time point, τ indicate auto-correlation variable, RY(τ) indicates that auto-correlation function, Y (t+ τ) indicate defeated
The discrete signal entered, Y*(t) dt indicates the conjugation of input signal.
Cross-correlated signal synchronizer carries out cross-correlation to the 6th processing signal for utilizing preset local synchronization sequence
Synchronization process, and determine the packet header position of each data packet in the 6th processing signal, it is then based on the packet of identified each data packet
Each data packet is extracted from the 6th processing signal in head position.That is, cross-correlation synchronizer can in pre-deposit a sheet
Obtain the 6th processing signal (digital signal) Y (t) is carried out cross-correlation, the power spectrum of cross-correlation by ground synchronizing sequence M (t)
A peak value can equally be had by spending function, the packet header position of data packet can be determined by the peak value, therefore can be according to this
The length of ground sequence M (t) determines the data packet Y ' (t) of satellite-signal.The synchronous procedural representation of cross-correlation are as follows:
In formula, indicate that discrete time point, τ indicate cross-correlation variable, RMY(τ) indicates that cross-correlation function, Y (t) indicate input
Signal, M (t+ τ) indicate local synchronization sequence.
Base-Band Processing submodule 603 can be used for being decoded data packet processing, and the first number is obtained from data packet
Word sequence.
In the embodiment of the present invention, it is usually raw data packets by the data packet that the synchronous submodule of signal obtains, is terrible
Information into data packet, Base-Band Processing submodule can be decoded processing to data packet.
It is alternatively possible to be carried out whether through ovennodulation, scrambling coding and interweaving encoding to data packet according to data packet
Corresponding demodulation process and/or scramble process and/or deinterleaving processing, so that the first Serial No. is obtained from data packet,
The first described Serial No. can be the data saved in the form of Serial No. in data packet.
Data analyze submodule 604, can be used for for the first Serial No. being compared with the second Serial No., generate and divide
Analyse result.The second described Serial No. can refer to the Serial No. carried in satellite original transmitted signal.That is, can incite somebody to action
It is compared from the Serial No. parsed in data packet with the Serial No. in satellite original transmitted signal, analyzes two numbers
The similarities and differences in word sequence, to obtain analysis as a result, for example, the bit error rate of satellite-signal, data throughout and satellite letter
Number, wherein data throughout can be the total amount of upstream data and downlink data.
Display sub-module 605 can show in visual form analysis as a result, for example, the mistake ratio of display satellite-signal
Special rate, data throughout show the satellite-signal of satellite-signal.
As a kind of optional embodiment of the embodiment of the present invention, the satellite signal receiving processing system of the embodiment of the present invention
It can also include receiving module 7, for example, satellite earth antenna, can be used for receiving the satellite-signal of multiple frequency ranges, frequency range packet
It includes: UHF (Ultra High Frequency, superfrequency) frequency range, SHF (Super High Frequency, hyperfrequency) frequency range
With EHF (Extremely High Frequency, extremely high frequency) frequency range.
A kind of satellite signal receiving processing system provided in an embodiment of the present invention can be direct after receiving satellite-signal
It the processing such as is filtered, amplifies, decoding to satellite-signal, and processing result is shown in a manner of visual, due to not
It needs first to acquire satellite-signal the operating process of reprocessing again, therefore the reception and treatment process of satellite-signal can be made
Keep synchronizing, to meet tester to the real-time analysis demand of satellite-signal, also, due to processing result can directly with
Visual means are shown, therefore tester can be made intuitively to check satellite-signal processing result at the first time, from
And improve user experience.
As shown in Fig. 2, the embodiment of the invention also provides a kind of satellite signal receiving processing method, this method process packet
It includes:
S101 removes the interference signal in received satellite-signal, obtains the first processing signal；Wherein, in satellite-signal
Information is carried, information saves in the form of data packet；Interference signal is preset non-targeted reception frequency band signals.
S102, amplification the first processing signal, obtains second processing signal, and the signal-to-noise ratio of second processing signal is higher than at first
Manage the signal-to-noise ratio of signal.
S103 reduces the frequency of second processing signal, obtains third processing signal, and third handles the frequency of signal lower than the
The frequency of two processing signals.
S104, amplification third handle signal, obtain fourth process signal.
Fourth process signal is converted to the 5th processing signal by S105, wherein and fourth process signal is analog signal, the
Five processing signals are binary digital signal.
S106 receives and processes the 5th processing signal, and processing result is shown in a manner of visual.
Optionally, as shown in figure 3, in the embodiment of the present invention, step S106 can also include:
S1061, to the 5th processing signal be filtered, obtain the 6th processing signal, the 6th processing signal be two into
Digital signal processed.
S1062 synchronizes processing to the 6th processing signal, and obtains data packet from the 6th processing signal.
S1063 is decoded processing to data packet, and obtains the first Serial No. from data packet.
First Serial No. is compared S1064 with the second Serial No., generates analysis result；Wherein, the second number
Sequence are as follows: the Serial No. carried in satellite original transmitted signal.
S1065, display analysis is as a result, include: the bit error rate of satellite-signal, data throughout and wave in analysis result
Shape.
Optionally, before step S101, the method for the embodiment of the present invention can also include: the satellite for receiving multiple frequency ranges
Signal, frequency range include: superfrequency uhf band, hyperfrequency SHF frequency range and extremely high frequency EHF frequency range.
Optionally, above-mentioned steps S1062 is specifically as follows: using the synchronizing sequence that carries in the 6th processing signal, to the
Six processing signals carry out auto-correlation synchronization process, and determine the packet header position of each data packet in the 6th processing signal；Based on really
Each data packet is extracted from the 6th processing signal in the packet header position of fixed each data packet；
Alternatively,
Using preset local synchronization sequence, cross-correlation synchronization process is carried out to the 6th processing signal, and determine at the 6th
Manage the packet header position of each data packet in signal；Based on the packet header position of identified each data packet, mentioned from the 6th processing signal
Take each data packet.
Optionally, above-mentioned steps S1063 is specifically as follows: to data packet progress demodulation process and/or scramble process, and/
Or deinterleaving processing.
A kind of satellite signal receiving processing method provided in an embodiment of the present invention can be direct after receiving satellite-signal
It the processing such as is filtered, amplifies, decoding to satellite-signal, and processing result is shown in a manner of visual, due to not
It needs first to acquire satellite-signal the operating process of reprocessing again, therefore the reception and treatment process of satellite-signal can be made
Keep synchronizing, to meet tester to the real-time analysis demand of satellite-signal, also, due to processing result can directly with
Visual means are shown, therefore tester can be made intuitively to check satellite-signal processing result at the first time, from
And improve user experience.
The embodiment of the invention also provides a kind of electronic equipment, as shown in figure 4, include processor 201, communication interface 202,
Memory 203 and communication bus 204, wherein processor 201, communication interface 202, memory 203 are complete by communication bus 204
At mutual communication,
Memory 203, for storing computer program；
Processor 201 when for executing the program stored on memory 203, realizes following steps:
The interference signal in received satellite-signal is removed, the first processing signal is obtained；Wherein, it is carried in satellite-signal
Information, information save in the form of data packet；Interference signal is preset non-targeted reception frequency band signals.
Amplification the first processing signal, obtains second processing signal, and the signal-to-noise ratio of second processing signal is higher than the first processing letter
Number signal-to-noise ratio.
The frequency for reducing second processing signal, obtains third processing signal, and the frequency that third handles signal is lower than at second
Manage the frequency of signal.
Amplify third and handle signal, obtains fourth process signal.
Fourth process signal is converted into the 5th processing signal, wherein fourth process signal is analog signal, the 5th processing
Signal is binary digital signal.
The 5th processing signal is received and processed, and processing result is shown in a manner of visual.
A kind of electronic equipment provided in an embodiment of the present invention, after receiving satellite-signal, can directly to satellite-signal into
The processing such as row filtering, amplification, decoding, and processing result is shown in a manner of visual, due to no longer needing to satellite
Signal is first acquired the operating process of reprocessing, therefore the reception of satellite-signal can be made synchronous with treatment process holding, from
And meet tester to the real-time analysis demand of satellite-signal, also, since processing result can be directly with visual means
It is shown, therefore tester can be made intuitively to check satellite-signal processing result at the first time, to improve user
Experience.
The communication bus that above-mentioned electronic equipment is mentioned can be Peripheral Component Interconnect standard (Peripheral Component
Interconnect, abbreviation PCI) bus or expanding the industrial standard structure (Extended Industry Standard
Architecture, abbreviation EISA) bus etc..The communication bus can be divided into address bus, data/address bus, control bus etc..
Only to be indicated with a thick line in figure, it is not intended that an only bus or a type of bus convenient for indicating.
Communication interface is for the communication between above-mentioned electronic equipment and other equipment.
Memory may include random access memory (Random Access Memory, abbreviation RAM), also may include
Nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.Optionally, memory may be used also
To be storage device that at least one is located remotely from aforementioned processor.
Above-mentioned processor can be general processor, including central processing unit (Central Processing Unit,
Abbreviation CPU), network processing unit (Network Processor, abbreviation NP) etc.；It can also be digital signal processor
(Digital Signal Processing, abbreviation DSP), specific integrated circuit (Application Specific
Integrated Circuit, abbreviation ASIC), field programmable gate array (Field-Programmable Gate Array,
Abbreviation FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.
The embodiment of the invention also provides a kind of computer readable storage medium, it is stored in computer readable storage medium
Computer program, to execute following steps:
The interference signal in received satellite-signal is removed, the first processing signal is obtained；Wherein, it is carried in satellite-signal
Information, information save in the form of data packet；Interference signal is preset non-targeted reception frequency band signals.
Amplification the first processing signal, obtains second processing signal, and the signal-to-noise ratio of second processing signal is higher than the first processing letter
Number signal-to-noise ratio.
The frequency for reducing second processing signal, obtains third processing signal, and the frequency that third handles signal is lower than at second
Manage the frequency of signal.
Amplify third and handle signal, obtains fourth process signal.
Fourth process signal is converted into the 5th processing signal, wherein fourth process signal is analog signal, the 5th processing
Signal is binary digital signal.
The 5th processing signal is received and processed, and processing result is shown in a manner of visual.
A kind of computer readable storage medium provided in an embodiment of the present invention can be directly right after receiving satellite-signal
Satellite-signal such as is filtered, amplifies, decoding at the processing, and processing result is shown in a manner of visual, due to no longer
It needs first to acquire satellite-signal the operating process of reprocessing, therefore the reception of satellite-signal and treatment process can be made to protect
Synchronization is held, to meet tester to the real-time analysis demand of satellite-signal, also, since processing result can be directly with can
It is shown depending on change mode, therefore tester can be made intuitively to check satellite-signal processing result at the first time, thus
Improve user experience.
For method/electronic equipment/storage medium embodiment, since it is substantially similar to system embodiment, so
It is described relatively simple, related place illustrates referring to the part of system embodiment.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method
Part explanation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (10)
1. a kind of satellite signal receiving processing system, which is characterized in that the system comprises: filter, the first low noise amplifier,
Frequency mixer, the second low noise amplifier, digital analog converter and visual signals processing module；
Wherein, the filter is used to remove the interference signal in received satellite-signal, obtains the first processing signal；It is described to defend
Information is carried in star signal, the information saves in the form of data packet；The interference signal is preset non-targeted reception
Frequency band signals；
First low noise amplifier obtains second processing signal, the second processing for amplifying the first processing signal
The signal-to-noise ratio of signal is higher than the signal-to-noise ratio of the first processing signal；
The frequency mixer obtains third processing signal, the third processing letter for reducing the frequency of the second processing signal
Number frequency be lower than the second processing signal frequency；
Second low noise amplifier obtains fourth process signal for amplifying the third processing signal；
The digital analog converter is used to be converted to the fourth process signal the 5th processing signal, wherein the fourth process
Signal is analog signal, and the 5th processing signal is binary digital signal；
The visual signals processing module handles signal for receiving and processing the described 5th, and by processing result to visualize
Mode shown；
Wherein, the visual signals processing module, comprising:
Submodule is filtered, for being filtered to the 5th processing signal, the 6th processing signal is obtained, at the described 6th
Reason signal is binary digital signal；
Signal synchronizes submodule, for synchronizing processing to the 6th processing signal, and from the 6th processing signal
Obtain data packet；
Base-Band Processing submodule for being decoded processing to the data packet, and obtains the first number from the data packet
Sequence；
Data analyze submodule, for first Serial No. to be compared with the second Serial No., generate analysis result；
Wherein, second Serial No. are as follows: the Serial No. carried in satellite original transmitted signal；
Display sub-module, for showing the analysis as a result, including: the errored bit of the satellite-signal in the analysis result
Rate, data throughout and waveform.
2. system according to claim 1, which is characterized in that the Base-Band Processing submodule is specifically used for:
Demodulation process and/or scramble process and/or deinterleaving processing are carried out to the data packet.
3. system according to claim 1, which is characterized in that the system also includes:
Receiving module, for receiving the satellite-signal of multiple frequency ranges, the frequency range includes: superfrequency uhf band, hyperfrequency SHF
Frequency range and extremely high frequency EHF frequency range.
4. system according to claim 1, which is characterized in that the synchronous submodule of the signal is autocorrelation signal synchronizer
Or cross-correlated signal synchronizer；
The autocorrelation signal synchronizer, for handling the synchronizing sequence carried in signal using the described 6th, to the described 6th
It handles signal and carries out auto-correlation synchronization process, and determine the packet header position of each data packet in the 6th processing signal；Based on institute
Each data packet is extracted from the 6th processing signal in the packet header position of determining each data packet；
The cross-correlated signal synchronizer carries out the 6th processing signal mutual for utilizing preset local synchronization sequence
Related synchronization processing, and determine the packet header position of each data packet in the 6th processing signal；Based on identified each data packet
Packet header position, from it is described 6th processing signal in extract each data packet.
5. system according to claim 1, which is characterized in that the frequency mixer is specifically used for:
The mixing frequencies parameter of user's input is obtained based on graphic interface；
Down conversion process is carried out to the second processing signal using the mixing frequencies parameter.
6. system according to claim 1, which is characterized in that second low noise amplifier is specifically used for:
The gain parameter of user's input is obtained based on graphic interface；
Processing is amplified to third processing signal using the gain parameter.
7. a kind of satellite signal receiving processing method, which is characterized in that the described method includes:
The interference signal in received satellite-signal is removed, the first processing signal is obtained；Wherein, it is carried in the satellite-signal
Information, the information save in the form of data packet；The interference signal is preset non-targeted reception frequency band signals；
Amplify the first processing signal, obtain second processing signal, the signal-to-noise ratio of the second processing signal is higher than described the
The signal-to-noise ratio of one processing signal；
The frequency for reducing the second processing signal, obtains third processing signal, and the frequency of the third processing signal is lower than institute
State the frequency of second processing signal；
Amplify the third processing signal, obtains fourth process signal；
The fourth process signal is converted into the 5th processing signal, wherein the fourth process signal is analog signal, described
5th processing signal is binary digital signal；
The 5th processing signal is received and processed, and processing result is shown in a manner of visual.
8. the method according to the description of claim 7 is characterized in that described receive and process the 5th processing signal, and will
The step of processing result is shown in a manner of visual, comprising:
The 5th processing signal is filtered, obtains the 6th processing signal, the 6th processing signal is binary system
Digital signal；
Processing is synchronized to the 6th processing signal, and obtains data packet from the 6th processing signal；
Processing is decoded to the data packet, and obtains the first Serial No. from the data packet；
First Serial No. is compared with the second Serial No., generates analysis result；Wherein, the described second digital sequence
It is classified as: the Serial No. carried in satellite original transmitted signal；
Show it is described analysis as a result, it is described analysis result in include: the satellite-signal bit error rate, data throughout and
Waveform.
9. the method according to the description of claim 7 is characterized in that described the step of being decoded processing to the data packet,
Include:
Demodulation process and/or scramble process and/or deinterleaving processing are carried out to the data packet.
10. the method according to the description of claim 7 is characterized in that remove the interference signal in received satellite-signal it
Before, the method also includes:
The satellite-signal of multiple frequency ranges is received, the frequency range includes: superfrequency uhf band, hyperfrequency SHF frequency range and extremely high frequency
EHF frequency range.
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