CN115022400B - Software digital front-end signal processing system - Google Patents
Software digital front-end signal processing system Download PDFInfo
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Abstract
The invention belongs to the technical field of computer signal processing, and discloses a software digital front-end signal processing system, which comprises a PC end, a plurality of software, a plurality of digital front-end signals and a plurality of processed digital front-end signals, wherein the PC end is used for downloading and running a plurality of software; the input module comprises a plurality of receiving units, can simultaneously receive a plurality of digital front-end signals through the plurality of receiving units, and performs skip reading and parameter reading and writing on the digital front-end signals through the plurality of receiving units; the signal enhancement module is used for detecting a plurality of digital front-end signals; the system can uniformly process various digital front-end signals, so that software on the PC end can process the various digital front-end signals, and meanwhile, the signal can be enhanced through the signal enhancement module, the digital front-end signals received by the PC end can be normally analyzed and processed, the operation is simple, and the software is convenient to manage.
Description
Technical Field
The invention belongs to the technical field of computer signal processing, and particularly relates to a software digital front-end signal processing system.
Background
The digital front-end signal is digitized through the sensor link, the digital signal is transmitted to the upper computer through the optical fiber, the digital quantity is analyzed and calculated through the upper computer, the measured parameter information is displayed in the modes of numerical value, chart, waveform and the like, after the digital front-end signal is digitized, software can analyze, modify, label and operate the digital front-end signal, meanwhile, the digital processing has no loss and interference of the signal transmission link, and networking and intelligent application are facilitated.
The existing digital front-end signals have no unified format, and have various format types for converting the digital, so that the software is very complicated in processing the signals, too many in connection and relatively complex in processing, the converted digital needs to be checked, the software is inconvenient to manage, and the signals are not stable enough in connection and are slow in conveying.
Disclosure of Invention
The present invention is directed to a software digital front-end signal processing system, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a software digital front-end signal processing system includes,
the PC end is used for downloading and running a plurality of software, and the plurality of software, the plurality of digital front-end signals and the plurality of processed digital front-end signals can be displayed through the PC end;
the input module comprises a plurality of receiving units, can simultaneously receive a plurality of digital front-end signals through the plurality of receiving units, and performs skip reading and parameter reading and writing on the digital front-end signals through the plurality of receiving units;
the signal enhancement module is used for detecting a plurality of digital front-end signals, and enhancing the digital front-end signals after the digital front-end signals are smaller than the strength of the received signals of the PC end, so that the received digital front-end signals of the PC end can be normally analyzed and processed;
the upper computer is used for outputting commands to the digital front-end signals read and written by the plurality of receiving units, and after the commands are output to the lower computer, the lower computer is used for interpreting the commands into corresponding time sequence signals according to the commands to directly control corresponding equipment, and meanwhile, the lower computer reads equipment state data in a period and converts the equipment state data into digital signals to be fed back to the upper computer;
the processing module is used for converting the digital front-end signals read by the upper computer and the lower computer into computer identifiable digital data, processing the digital front-end signals by the processing module, converting the digital front-end signals into PC identifiable data by a method of shifting the phase of a carrier wave, enabling the digital front-end signals to be expressed in binary, and meanwhile, the processing module comprises a computing unit and a pre-judging unit;
the calculating unit is used for calculating the similarity value between the digital front-end signal and the existing signal in the PC end, and the parameter data after the digital front-end signal is received in the plurality of receiving units are compared with the similarity value between the digital front-end signal and the existing signal in the PC end;
the pre-judging unit judges according to the data of the calculation unit after comparing the similarity values, judges one of the existing signals in the PC end and the digital front end signal which is the most similar, and takes the signal as the sample signal type of the digital front end signal;
the storage module is provided with a plurality of storage channels, is used for correspondingly storing the digital front-end signals received by the plurality of receiving units respectively, and stores the pre-judged digital front-end signals and the signals existing in the PC end in the same channel;
the output module is used for outputting the digital front-end signal, and the digital front-end signal can be displayed through the display screen after being processed by the processing module and stored by the storage module.
Preferably, the PC end is electrically connected with the input module, and the PC end can operate and modify the input module; the PC end is electrically connected with the signal enhancement module, and can operate and modify the signal enhancement module; the PC end is electrically connected with the upper computer and the lower computer, and the PC end can operate and modify the upper computer and the lower computer; the PC end is electrically connected with the processing module, and can operate and modify the processing module; the PC end is electrically connected with the storage module, and can operate and modify the storage module; the PC end is electrically connected with the output module, and the PC end can operate and modify the output module.
Preferably, the signal enhancement module comprises an antenna, a duplexer, a low-noise amplifier, a down-converter, a filter, an intermediate frequency amplifying circuit, an up-converter and a power amplifier, and the antenna, the duplexer, the low-noise amplifier, the down-converter, the filter, the intermediate frequency amplifying circuit, the up-converter and the power amplifier are sequentially connected to form an amplifying link, so that the signal enhancement effect is achieved.
Preferably, the PC monitors when the upper computer sends a set signal to the lower computer.
Preferably, the lower computer sends a receiving instruction to the upper computer immediately after receiving the digital front-end signal, and resets the lower computer signal.
Preferably, the processing module can convert the digital front-end signal into audio data and transmit the audio data into the audio equipment through the data line, so that the digital front-end signal has various display modes.
Preferably, the processing module is further operable in reverse to convert the audio data and digitized data into digital front-end signals and to remotely signal the digital front-end signals.
Preferably, the storage module is provided with a first type storage group and a second type storage group, wherein the first type storage group has short data storage time, and the second type storage group is used for copying the content of the first type storage group in a full disk mode in a period of the second type storage group and is used for placing data loss.
Preferably, the output module can output data to a plurality of devices at the same time.
Compared with the prior art, the invention has the beneficial effects that:
the system can uniformly process various digital front-end signals, so that software on the PC end can process the various digital front-end signals, and meanwhile, the signal enhancement module can be used for enhancing the signals, so that the digital front-end signals received by the PC end can be normally analyzed and processed, the operation is simple, the software is convenient to manage, and the conditions that the connection of the digital front-end signals is unstable and the transmission is slow are reduced.
The system can further improve the practicability of the system through the calculation unit and the pre-judging unit, the calculation unit compares the parameter data after receiving the digital front-end signal with the similarity value of the existing signal in the PC end, and judges one of the existing signal in the PC end which is most similar to the digital front-end signal according to the data after comparing the similarity value of the calculation unit, so that the processing efficiency of the digital front-end signal is higher, and the time is greatly saved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the connection of the various modules of the present invention;
FIG. 3 is a schematic diagram of a process module according to the present invention;
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a software digital front-end signal processing system includes,
the PC end is used for downloading and running a plurality of software, and the plurality of software, the plurality of digital front-end signals and the plurality of processed digital front-end signals can be displayed through the PC end;
the input module comprises a plurality of receiving units, can simultaneously receive a plurality of digital front-end signals through the plurality of receiving units, and performs skip reading and parameter reading and writing on the digital front-end signals through the plurality of receiving units;
the signal enhancement module is used for detecting a plurality of digital front-end signals, and enhancing the digital front-end signals after the digital front-end signals are smaller than the strength of the received signals of the PC end, so that the received digital front-end signals of the PC end can be normally analyzed and processed;
the upper computer is used for outputting commands to the digital front-end signals read and written by the plurality of receiving units, and after the commands are output to the lower computer, the lower computer is used for interpreting the commands into corresponding time sequence signals according to the commands to directly control corresponding equipment, and meanwhile, the lower computer reads equipment state data in a period and converts the equipment state data into digital signals to be fed back to the upper computer;
the processing module is used for converting the digital front-end signals read by the upper computer and the lower computer into computer identifiable digital data, processing the digital front-end signals by the processing module, converting the digital front-end signals into PC identifiable data by a method of shifting the phase of a carrier wave, enabling the digital front-end signals to be expressed in binary, and meanwhile, the processing module comprises a computing unit and a pre-judging unit;
the calculating unit is used for calculating the similarity value between the digital front-end signal and the existing signal in the PC end, and the parameter data after the digital front-end signal is received in the plurality of receiving units are compared with the similarity value between the digital front-end signal and the existing signal in the PC end;
the pre-judging unit judges according to the data of the calculation unit after comparing the similarity values, judges one of the existing signals in the PC end and the digital front end signal which is the most similar, and takes the signal as the sample signal type of the digital front end signal;
the storage module is provided with a plurality of storage channels, is used for correspondingly storing the digital front-end signals received by the plurality of receiving units respectively, and stores the pre-judged digital front-end signals and the signals existing in the PC end in the same channel;
the output module is used for outputting the digital front-end signal, and the digital front-end signal can be displayed through the display screen after being processed by the processing module and stored by the storage module.
In this embodiment, preferably, the PC end is electrically connected to the input module, and the PC end can operate and modify the input module; the PC end is electrically connected with the signal enhancement module, and can operate and modify the signal enhancement module; the PC end is electrically connected with the upper computer and the lower computer, and the PC end can operate and modify the upper computer and the lower computer; the PC end is electrically connected with the processing module, and can operate and modify the processing module; the PC end is electrically connected with the storage module, and can operate and modify the storage module; the PC end is electrically connected with the output module, and the PC end can operate and modify the output module.
In this embodiment, preferably, the signal enhancing module includes an antenna, a duplexer, a low noise amplifier, a down converter, a filter, an intermediate frequency amplifying circuit, an up converter, and a power amplifier, and the antenna, the duplexer, the low noise amplifier, the down converter, the filter, the intermediate frequency amplifying circuit, the up converter, and the power amplifier are sequentially connected to form an amplifying link, thereby achieving the effect of enhancing the signal.
In this embodiment, preferably, the PC end monitors when the upper computer sends the set signal to the lower computer.
In this embodiment, preferably, after the lower computer receives the digital front-end signal, the lower computer immediately sends a received instruction to the upper computer, and resets the lower computer signal.
In this embodiment, preferably, the processing module may convert the digital front-end signal into audio data, and transmit the audio data to the audio device through the data line, so that the digital front-end signal has multiple display modes.
In this embodiment, the processing module may further perform a reverse operation to convert the audio data and the digitized data into digital front-end signals, and perform remote signal transmission through the digital front-end signals.
In this embodiment, preferably, the storage module is provided with a first type storage group and a second type storage group, where the first type storage group has a short data storage time, and the second type storage group is used for copying the content of the first type storage group in a full disk manner in a period of the second type storage group, so as to place the loss of data.
In this embodiment, the output module may preferably output data to a plurality of devices at the same time.
The working principle and the using flow of the invention are as follows: the PC end is operated, the input module is operated through the PC end, so that a plurality of digital front end signals can be read and written through the input module, then the digital front end signals are detected through the signal enhancement module, the digital front end signals with weak strength are enhanced, the digital front end signals received by the PC end can be normally analyzed and processed, then the digital front end signals read by an upper computer and a lower computer are converted into computer identifiable digital data through the processing module, the processing module processes the digital front end signals, the digital front end signals are converted into PC identifiable data through a carrier wave phase shifting method, the digital front end signals are subjected to binary expression, the digital front end signals can be identified and processed through software on the PC end, and then the digital front end signals can be output after being stored through the storage module.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely illustrative of the present invention and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (9)
1. A software digital front-end signal processing system, characterized by: comprising the steps of (a) a step of,
the PC end is used for downloading and running a plurality of software, and the plurality of software, the plurality of digital front-end signals and the plurality of processed digital front-end signals can be displayed through the PC end;
the input module comprises a plurality of receiving units, can simultaneously receive a plurality of digital front-end signals through the plurality of receiving units, and performs skip reading and parameter reading and writing on the digital front-end signals through the plurality of receiving units;
the signal enhancement module is used for detecting a plurality of digital front-end signals, and enhancing the digital front-end signals after the digital front-end signals are smaller than the strength of the received signals of the PC end, so that the received digital front-end signals of the PC end can be normally analyzed and processed;
the upper computer is used for outputting commands to the digital front-end signals read and written by the plurality of receiving units, and after the commands are output to the lower computer, the lower computer is used for interpreting the commands into corresponding time sequence signals according to the commands to directly control corresponding equipment, and meanwhile, the lower computer reads equipment state data in a period and converts the equipment state data into digital signals to be fed back to the upper computer;
the processing module is used for converting the digital front-end signals read by the upper computer and the lower computer into computer identifiable digital data, processing the digital front-end signals by the processing module, converting the digital front-end signals into PC identifiable data by a method of shifting the phase of a carrier wave, enabling the digital front-end signals to be expressed in binary, and meanwhile, the processing module comprises a computing unit and a pre-judging unit;
the calculating unit is used for calculating the similarity value between the digital front-end signal and the existing signal in the PC end, and the parameter data after the digital front-end signal is received in the plurality of receiving units are compared with the similarity value between the digital front-end signal and the existing signal in the PC end;
the pre-judging unit judges according to the data of the calculation unit after comparing the similarity values, judges one of the existing signals in the PC end and the digital front end signal which is the most similar, and takes the signal as the sample signal type of the digital front end signal;
the storage module is provided with a plurality of storage channels, is used for correspondingly storing the digital front-end signals received by the plurality of receiving units respectively, and stores the pre-judged digital front-end signals and the signals existing in the PC end in the same channel;
the output module is used for outputting the digital front-end signal, and the digital front-end signal can be displayed through the display screen after being processed by the processing module and stored by the storage module.
2. A software digital front-end signal processing system according to claim 1, characterized in that: the PC end is electrically connected with the input module, and can operate and modify the input module; the PC end is electrically connected with the signal enhancement module, and can operate and modify the signal enhancement module; the PC end is electrically connected with the upper computer and the lower computer, and the PC end can operate and modify the upper computer and the lower computer; the PC end is electrically connected with the processing module, and can operate and modify the processing module; the PC end is electrically connected with the storage module, and can operate and modify the storage module; the PC end is electrically connected with the output module, and the PC end can operate and modify the output module.
3. A software digital front-end signal processing system according to claim 1, characterized in that: the signal enhancement module comprises an antenna, a duplexer, a low-noise amplifier, a down converter, a filter, an intermediate frequency amplifying circuit, an up converter and a power amplifier, and the antenna, the duplexer, the low-noise amplifier, the down converter, the filter, the intermediate frequency amplifying circuit, the up converter and the power amplifier are sequentially connected to form an amplifying link, so that the signal enhancement effect is achieved.
4. A software digital front-end signal processing system according to claim 1, characterized in that: and when the upper computer sends a setting signal to the lower computer, the PC end monitors.
5. A software digital front-end signal processing system according to claim 4, wherein: when the lower computer receives the digital front-end signal, the lower computer immediately sends a receiving instruction to the upper computer, and simultaneously resets the lower computer signal.
6. A software digital front-end signal processing system according to claim 1, characterized in that: the processing module can convert the digital front-end signal into audio data and transmit the audio data into the audio equipment through the data line, so that the digital front-end signal has various display modes.
7. A software digital front-end signal processing system according to claim 6, wherein: the processing module can also perform reverse operation, convert the audio data and the digital data into digital front-end signals, and transmit the digital front-end signals to remote signals.
8. A software digital front-end signal processing system according to claim 1, characterized in that: the storage module is provided with a first type storage group and a second type storage group, wherein the first type storage group has short data storage time, and the second type storage group is used for copying the content of the first type storage group in a full disk mode in a period of the second type storage group and is used for placing data loss.
9. A software digital front-end signal processing system according to claim 1, characterized in that: the output module can output data to a plurality of devices at the same time.
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| CN103999417A (en) * | 2011-10-27 | 2014-08-20 | Lsi公司 | Software digital front end (softDFE) signal processing |
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| US8532162B2 (en) * | 2007-04-25 | 2013-09-10 | Telekom Malaysia Berhad | Transceiver front end for software radio system |
| US8988798B2 (en) * | 2013-05-31 | 2015-03-24 | International Business Machines Corporation | Iterative data storage read channel architecture |
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| CN103999417A (en) * | 2011-10-27 | 2014-08-20 | Lsi公司 | Software digital front end (softDFE) signal processing |
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| 数字信号处理技术在短波收信设备中的应用;杨春顺;;舰船电子工程(06);全文 * |
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