CN113655740B - Method, device and system for data acquisition of transmission system and storage medium - Google Patents
Method, device and system for data acquisition of transmission system and storage medium Download PDFInfo
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- CN113655740B CN113655740B CN202110841813.3A CN202110841813A CN113655740B CN 113655740 B CN113655740 B CN 113655740B CN 202110841813 A CN202110841813 A CN 202110841813A CN 113655740 B CN113655740 B CN 113655740B
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Abstract
The application discloses a method, a device and a system for transmitting system data acquisition and a storage medium, wherein the method for transmitting system data acquisition comprises the following steps: the number of current linear frequency modulation signals is made to be zero, and the number of current skipped linear frequency modulation signals is made to be zero; then acquiring the current frame number, and controlling an acquisition module to acquire data if the current frame number is less than a preset frame number; acquiring the number of current linear frequency modulation signals, and controlling the acquisition module to stop acquiring data if the number of the current linear frequency modulation signals is greater than or equal to the number of preset linear frequency modulation signals; acquiring the number of current skipping linear frequency modulation signals, if the number of the current skipping linear frequency modulation signals is larger than or equal to the number of preset skipping linear frequency modulation signals, updating the current frame number, and executing data processing until the current frame number is larger than or equal to the preset frame number; the redundancy of the acquired data can be reduced, and the transmission efficiency of the transmission system can be improved.
Description
Technical Field
The present application relates to the field of data acquisition technologies, and in particular, to a method, an apparatus, a system, and a storage medium for acquiring data by a transmission system.
Background
ZYNQ is an SOC series 64-bit processor of XI LINX, not only has expandability, but also combines real-time control and software and hardware engines to support graphic, video, waveform and data packet processing. At present, a gigabit network transmission system based on ZYNQ lacks certain flexibility when acquiring data, and a lot of redundancies exist in the acquired data, so that the transmission efficiency is low.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides a method, a device, a system and a storage medium for data acquisition of a transmission system, which can reduce the redundancy of the acquired data and improve the transmission efficiency of the transmission system.
An embodiment of a first aspect of the present application provides a method for data acquisition by a transmission system, including:
data processing: the number of current linear frequency modulation signals is made to be zero, and the number of current skipped linear frequency modulation signals is made to be zero;
acquiring a current frame number, and controlling an acquisition module to acquire data if the current frame number is less than a preset frame number;
acquiring the number of current linear frequency modulation signals, and controlling the acquisition module to stop acquiring data if the number of the current linear frequency modulation signals is greater than or equal to the number of preset linear frequency modulation signals;
and acquiring the number of the current skipped linear frequency modulation signals, if the number of the current skipped linear frequency modulation signals is greater than or equal to the number of preset skipped linear frequency modulation signals, updating the current frame number, and executing the data processing until the current frame number is greater than or equal to the preset frame number.
The method for acquiring data by the transmission system according to the embodiment of the first aspect of the application has at least the following advantages: the method for data acquisition of the transmission system, provided by the embodiment of the application, is characterized in that when an acquisition module is controlled to acquire data, if the acquired current frame number reaches the preset frame number, the data acquisition is finished, if the acquired frame number does not reach the preset frame number, the data acquisition is continued, if the current linear frequency modulation signal number reaches the preset linear frequency modulation signal number, the data acquisition is stopped, if the current linear frequency modulation signal number is skipped to reach the preset skipped linear frequency modulation signal number, the data acquisition of the current frame is finished, and the acquisition of the next frame of data is started. In the data acquisition of each frame, when the acquired data meets the preset conditions, the data acquisition of the current frame is stopped, and the data acquisition of the next frame is started, so that the redundancy of the acquired data can be reduced, and the transmission efficiency of a transmission system can be improved.
According to some embodiments of the first aspect of the present application, the predetermined number of skipped chirp signals is obtained by:
acquiring a frame interval, a preset linear frequency modulation signal number and a synchronous pulse period;
and obtaining the number of preset skipping linear frequency modulation signals according to the frame interval, the number of the preset linear frequency modulation signals and the synchronous pulse period.
According to some embodiments of the first aspect of the present application, after obtaining the current number of chirps, the method further includes:
and if the number of the current linear frequency modulation signals is smaller than the number of the preset linear frequency modulation signals, controlling the acquisition module to acquire data until the number of the current linear frequency modulation signals is larger than or equal to the number of the preset linear frequency modulation signals.
According to some embodiments of the first aspect of the present application, after obtaining the number of currently skipped chirp signals, the method further includes:
and if the number of the current skipped chirp signals is less than the number of the preset skipped chirp signals, controlling the acquisition module to stop acquiring data until the number of the current skipped chirp signals is greater than or equal to the number of the preset skipped chirp signals.
The embodiment of the second aspect of the present application provides an apparatus for data acquisition in a transmission system, including:
a main control module, configured to execute the method for acquiring data by a transmission system according to any embodiment of the first aspect of the present application;
the acquisition module is electrically connected with the main control module, and the main control module is used for controlling the acquisition module to acquire data or stop acquiring data.
According to some embodiments of the second aspect of the present application, the main control module employs 7020 chips of ZYNQ series.
According to some embodiments of the second aspect of the present application, the acquisition module comprises a digital-to-analog conversion sub-module and a front-end radio frequency sub-module;
the front-end radio frequency sub-module is used for collecting analog signals and sending the analog signals to the digital-to-analog conversion sub-module;
the digital-to-analog conversion sub-module is used for receiving the analog signal sent by the front-end radio frequency sub-module, converting the analog signal into a digital signal and sending the digital signal to the main control module.
According to some embodiments of the second aspect of the present application, the number of the digital-to-analog conversion sub-modules is two, and the AD9228 chips are adopted for both the two digital-to-analog conversion sub-modules.
An embodiment of a third aspect of the present application provides a system for transmitting data collected by a system, including:
at least one memory;
at least one processor;
at least one program;
the programs are stored in the memory, and the processor executes at least one of the programs to implement the method for acquiring data by the transmission system according to any embodiment of the first aspect of the present application.
In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium storing computer-executable signals for:
a method of transmitting data acquired by a system as described in any embodiment of the first aspect of the application is performed.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
Additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flow chart of a method of collecting data by a transmission system according to some embodiments of a first aspect of the present application;
fig. 2 is a flow chart of a method of collecting data by a transmission system according to some embodiments of the first aspect of the present application;
FIG. 3 is a schematic diagram of a data acquisition device of a transmission system according to some embodiments of a second aspect of the present application;
FIG. 4 is a schematic diagram of a master control module storing data according to some embodiments of the second aspect of the present application;
fig. 5 is a schematic diagram of a method of collecting data by a transmission system according to some embodiments of the first aspect of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It should be noted that, although a logical order is shown in the flowcharts, in some cases, the steps shown or described may be in a different order than shown or described in the flowcharts. The terms etc. in the description and claims and the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In the description of the present application, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
Referring to fig. 2, an embodiment of the present application provides a method for transmitting data acquired by a system, which may include, but is not limited to, the following steps:
step S210, data processing: the number of current linear frequency modulation signals is zero, and the number of current skipping linear frequency modulation signals is zero;
step S211, acquiring the current frame number, and judging whether the current frame number is less than a preset frame number; if the current frame number is less than the preset frame number, executing step S212;
step S212, acquiring the number of the current linear frequency modulation signals, and judging whether the number of the current linear frequency modulation signals is greater than or equal to the number of the preset linear frequency modulation signals; if the number of the current linear frequency modulation signals is less than the number of the preset linear frequency modulation signals, executing the step S213; if the number of the current chirp signals is greater than or equal to the number of the preset chirp signals, executing step S214;
step S213, controlling the acquisition module to acquire data until the number of the current linear frequency modulation signals is greater than or equal to the number of the preset linear frequency modulation signals;
step S214, controlling the acquisition module to stop acquiring data;
step S215, acquiring the number of the current skipping linear frequency modulation signals, and judging whether the number of the current skipping linear frequency modulation signals is larger than or equal to the number of preset skipping linear frequency modulation signals; if the number of the current skipped chirp signals is less than the preset number of skipped chirp signals, executing step S216; if the number of the current skipped chirp signals is greater than or equal to the preset number of skipped chirp signals, executing step S217;
step S216, controlling the acquisition module to stop acquiring data until the number of the current skipped linear frequency modulation signals is greater than or equal to the number of preset skipped linear frequency modulation signals;
step S217, updates the current frame number, and performs data processing until the current frame number is greater than or equal to a preset frame number.
It can be understood that the method for acquiring data by the transmission system according to the embodiment of the present application can be applied to a transmission system, for example, a gigabit ethernet transmission system. By executing the steps, when data is collected, if the collected current frame number reaches the preset frame number, the data collection is finished, if the collected frame number does not reach the preset frame number, the data collection is continued, if the current linear frequency modulation signal number reaches the preset linear frequency modulation signal number, the data collection is stopped, if the current linear frequency modulation signal number is skipped to the preset linear frequency modulation signal number, the data collection of the current frame is finished, and the collection of the next frame of data is started. In the data acquisition of each frame, when the acquired data meets the preset conditions, the data acquisition of the current frame is stopped, and the data acquisition of the next frame is started, so that the redundancy of the acquired data can be reduced, and the transmission efficiency of a transmission system can be improved.
It is understood that, referring to fig. 1, the preset number of skip chirp signals is obtained by the following steps: .
Step S110, acquiring a frame interval, a preset linear frequency modulation signal number and a synchronous pulse period;
step S120, calculating according to the frame interval, the number of preset linear frequency modulation signals and the synchronous pulse period to obtain the number of preset skipping linear frequency modulation signals;
it is understood that the specific calculation is:
the preset skip chirp number = frame interval/sync pulse period-preset chirp number.
It can be understood that the method for acquiring data by the transmission system according to the embodiment of the present application can be applied to a transmission system, for example, a gigabit ethernet transmission system. The preset frame number is the number of data frames needing to be acquired. The frame interval is the time interval between adjacent data frames in the process of data acquisition. The method comprises the steps of collecting data and stopping collecting data in the process of collecting data of one frame, wherein the data is skipped when the data collection is stopped, the number of synchronous pulse cycles passed by a linear frequency modulation signal is the number of preset linear frequency modulation signals during the data collection period, and the number of synchronous pulse cycles passed by the linear frequency modulation signal is the number of preset skipped linear frequency modulation signals during the data collection is stopped. The synchronization pulse period is the synchronization pulse period of the chirp signal. It should be noted that, a person skilled in the art may determine the specific values of the preset frame number, the frame interval, the preset chirp number, and the synchronization pulse period according to the actual situation; the acquisition of the preset number of frames, the frame interval, the preset number of chirp signals and the synchronization pulse period may be acquired by an input device of the transmission system.
It can be understood that the current frame number is the frame number of the currently acquired data; the number of the current linear frequency modulation signals is the number of the synchronous pulse cycles currently experienced by the linear frequency modulation signals during the data acquisition period when certain frame data is acquired; the number of the current skipped chirp signals is the number of the synchronization pulse cycles experienced by the chirp signals during the period of stopping data acquisition from the time when the number of the current chirp signals is equal to the number of the preset chirp signals when a certain frame of data is acquired.
It will be appreciated that, with reference to fig. 5, fig. 5 is a schematic illustration of a method of collecting data by a transmission system according to some embodiments of the first aspect of the present application. In fig. 5, chirp is the number of preset chirp signals, jump is the number of preset skip chirp signals, PRT is one sync period, and frame _ in is the frame interval. As shown in fig. 5, in the acquisition process of each frame of data, the acquisition module acquires data during the period when the chirp signal experiences chirp PRTs, and the acquisition module stops acquiring data during the period when the chirp signal experiences jump PRTs.
It can be appreciated that, with reference to fig. 3, an embodiment of the second aspect of the present application provides an apparatus for transmitting data collected by a system, including:
a main control module, configured to implement the method for acquiring data by a transmission system according to any embodiment of the first aspect of the present application;
the acquisition module is electrically connected with the main control module, and the main control module is used for controlling the acquisition module to acquire data or stopping acquiring data.
It can be understood that, because the main control module is the method for acquiring data by the transmission system according to any embodiment of the first aspect of the present application, in the apparatus for acquiring data by the transmission system according to the embodiment of the present application, when acquiring data, if the acquired current frame number reaches the preset frame number, the data acquisition is finished, if the acquired frame number does not reach the preset frame number, the data acquisition is continued, if the current chirp number reaches the preset chirp number, the data acquisition is stopped, and if the current chirp number reaches the preset skip chirp number, the data acquisition completion of the current frame is indicated, and the acquisition of the next frame of data is started. In the data acquisition of each frame, when the acquired data meets the preset condition, the data acquisition of the current frame is stopped, and the data acquisition of the next frame is started, so that the redundancy of the acquired data can be reduced, and the transmission efficiency of a transmission system can be improved.
It can be understood that the main control module adopts 7020 chips of ZYNQ series.
It can be understood that the acquisition module comprises a digital-to-analog conversion sub-module and a front-end radio frequency sub-module, wherein the front-end radio frequency sub-module is used for acquiring an analog signal and sending the analog signal to the digital-to-analog conversion sub-module; the digital-to-analog conversion sub-module is used for receiving the analog signals sent by the front-end radio frequency sub-module, converting the analog signals into digital signals and sending the digital signals to the main control module.
The front-end radio frequency sub-module is used for acquiring data according to the linear frequency modulation signal to obtain an analog signal; the digital-to-analog conversion sub-module is used for converting the analog signals obtained by the front-end radio frequency sub-module into digital signals; the number of the digital-to-analog conversion sub-modules is two, and the chips adopted by the two digital-to-analog conversion sub-modules are AD9228 chips.
It can be understood that the front-end radio frequency sub-module is configured to generate a chirp signal and perform data acquisition according to the chirp signal to obtain an analog signal, and the digital-to-analog conversion sub-module is configured to convert the analog signal obtained by the front-end radio frequency sub-module into a digital signal and transmit the digital signal to the main control module to store the obtained digital signal. For example, referring to fig. 4, 7020 chips of the zynq series include 3 BRAMs and two AD9228 chips, that is, eight paths of AD data, each path of AD data has a width of 12 bits, and the eight paths of acquired AD data are spliced into 3 BRAMs with 32 bits, so that the transmission space can be fully utilized, and the transmission efficiency is improved.
It can be understood that the main control module may also be connected to an external input device, for example, an upper computer, and may perform configuration of parameters such as a preset frame number, a frame interval, a preset chirp number, a synchronization pulse period, and the like through the upper computer to obtain the preset frame number, the frame interval, the preset chirp number, and the synchronization pulse period; besides the above parameters, other parameters, such as sampling point, bandwidth, acquisition time T, etc., can be configured through the upper computer; for example, the parameter configuration may refer to table 1.
TABLE 1
The present application does not limit the specific parameter configuration, and those skilled in the art can perform the specific parameter configuration according to actual needs.
It can be understood that the main control module can also be connected with the PC end, and store the acquired data in the PC end in a file form, and each frame of data is stored as an independent file.
An embodiment of a third aspect of the present application provides a system for transmitting data collected by a system, including:
at least one memory;
at least one processor;
at least one program;
said programs being stored in said memory and at least one of said programs being processed to implement a method of data acquisition by a transmission system as described in any of the embodiments of the first aspect of the application.
The processor and memory may be connected by a bus or other means.
The memory, which is a non-transitory readable storage medium, may be used to store non-transitory software instructions as well as non-transitory executable instructions. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device. It will be appreciated that the memory can alternatively comprise memory located remotely from the processor, and that such remote memory can be coupled to the processor via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The processor executes the non-transitory software instructions, instructions and signals stored in the memory, so as to implement various functional applications and data processing, that is, the method for acquiring data by the transmission system according to the embodiment of the first aspect is implemented.
The non-transitory software instructions and instructions required to implement the method for transmitting system acquisition data of the above embodiment are stored in the memory, and when executed by the processor, perform the method for transmitting system acquisition data of the embodiment of the first aspect of the present application, for example, the method steps S110 to S120 in fig. 1 and the method steps S210 to S217 in fig. 2 described above.
An embodiment of a fourth aspect of the present application provides a computer-readable storage medium storing a computer-readable signal, where the computer-readable signal is configured to:
a method of transmitting data acquired by a system as described in any embodiment of the first aspect of the application is performed.
For example, the above-described method steps S110 to S120 in fig. 1, and the method steps S210 to S217 in fig. 2 are performed.
The above-described embodiments of the apparatus are merely illustrative, and units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
From the above description of embodiments, those of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, or suitable combinations thereof. Some or all of the physical components may be implemented as software by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable signals, data structures, instruction modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer-readable signals, data structures, instruction modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as is known to those of ordinary skill in the art.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made without departing from the spirit of the present application within the knowledge of those skilled in the art.
Claims (8)
1. A method of transmitting data collected by a system, comprising:
data processing: the number of current linear frequency modulation signals is made to be zero, and the number of current skipped linear frequency modulation signals is made to be zero;
acquiring a current frame number, and controlling an acquisition module to acquire data if the current frame number is less than a preset frame number;
acquiring the number of current linear frequency modulation signals, and controlling the acquisition module to stop acquiring data if the number of current frames is less than a preset number of frames and the number of current linear frequency modulation signals is greater than or equal to the preset number of linear frequency modulation signals; if the current frame number is less than a preset frame number and the current linear frequency modulation signal number is less than the preset linear frequency modulation signal number, controlling the acquisition module to acquire data until the current linear frequency modulation signal number is greater than or equal to the preset linear frequency modulation signal number;
acquiring the number of current skipping linear frequency modulation signals, if the number of the current skipping linear frequency modulation signals is larger than or equal to the number of preset skipping linear frequency modulation signals, updating the current frame number, and executing the data processing until the current frame number is larger than or equal to the preset frame number;
the preset skipping linear frequency modulation signal number is obtained by the following steps:
acquiring a frame interval, a preset linear frequency modulation signal number and a synchronous pulse period;
obtaining a preset skipping linear frequency modulation signal number according to the frame interval, the preset linear frequency modulation signal number and the synchronous pulse period; wherein the preset skipping chirp number = frame interval/sync pulse period-preset chirp number.
2. The method for acquiring data in a transmission system according to claim 1, wherein after acquiring the number of currently skipped chirp signals, the method further comprises:
and if the number of the current skipped chirp signals is less than the number of the preset skipped chirp signals, controlling the acquisition module to stop acquiring data until the number of the current skipped chirp signals is greater than or equal to the number of the preset skipped chirp signals.
3. An apparatus for transmitting data collected by a system, comprising:
a master control module for performing the method of transmitting system data acquisition of any one of claims 1 to 2;
the acquisition module is electrically connected with the main control module, and the main control module is used for controlling the acquisition module to acquire data or stop acquiring data.
4. The data acquisition device of the transmission system according to claim 3, wherein the main control module adopts 7020 chips of ZYNQ series.
5. The apparatus for data acquisition in a transmission system according to claim 3, wherein the acquisition module comprises a digital-to-analog conversion sub-module and a front-end radio frequency sub-module;
the front-end radio frequency sub-module is used for collecting analog signals and sending the analog signals to the digital-to-analog conversion sub-module;
the digital-to-analog conversion sub-module is used for receiving the analog signal sent by the front-end radio frequency sub-module, converting the analog signal into a digital signal and sending the digital signal to the main control module.
6. The apparatus for data collection of a transmission system according to claim 5,
the number of the digital-to-analog conversion sub-modules is two, and the two digital-to-analog conversion sub-modules adopt AD9228 chips.
7. A system for transmitting data collected by a system, comprising:
at least one memory;
at least one processor;
at least one program;
the programs are stored in the memory and the processor executes at least one of the programs to implement the method of collecting data by the transmission system of any one of claims 1 to 2.
8. A computer-readable storage medium having computer-executable signals stored thereon for:
a method of performing data acquisition by a transmission system as claimed in any one of claims 1 to 2.
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| CN110290020A (en) * | 2019-06-17 | 2019-09-27 | 北京挚友科技有限公司 | A kind of ethernet test instrument high-precision flow percentage production method and device |
| CN110719147A (en) * | 2019-10-18 | 2020-01-21 | 浙江创研信息技术有限公司 | High-reliability dual-computer hot standby data acquisition method based on LoRa |
| CN112866747A (en) * | 2021-01-04 | 2021-05-28 | 深圳市君创视讯科技有限公司 | Ultralow-delay video transmission method and device based on Zynq heterogeneous platform |
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