Radar real-time data transmission system, method and device based on residence period
阅读说明：本技术 一种基于驻留周期的雷达实时数据传输系统、方法及装置 (Radar real-time data transmission system, method and device based on residence period ) 是由 朱良勇 于 2019-11-12 设计创作，主要内容包括：本发明提供了一种基于驻留周期的雷达实时数据传输系统、方法及装置,所述系统包括：雷达主控系统、以太网交换机、频率综合系统、信号处理系统、波束控制系统以及数传插件；所述雷达主系统通过网线与所述以太网交换机相连接；所述频率综合系统、所述信号处理系统以及所述波束控制系统分部通过所述数传插件连接网线与所述以太网交换机相连接。所述方法包括：将雷达采集到的数据经过所述以太网交换机上传至所述雷达主控系统；所述数传插件读取其对应连接的分系统的回送信息；通过所述以太网交换机将所述回送信息发送给所述雷达主控系统；所述雷达主控系统接收所述回送信息后,反馈控制信息,通过所述数传插件写给其对应连接的分系统。(The invention provides a radar real-time data transmission system, a method and a device based on a residence period, wherein the system comprises: the system comprises a radar main control system, an Ethernet switch, a frequency integration system, a signal processing system, a beam control system and a data transmission plug-in; the radar main system is connected with the Ethernet switch through a network cable; the frequency synthesis system, the signal processing system and the beam control system are connected with the Ethernet switch through the data transmission plug-in connection network cable. The method comprises the following steps: uploading data acquired by a radar to the radar master control system through the Ethernet switch; the data transmission plug-in reads the return information of the subsystem correspondingly connected with the data transmission plug-in; sending the loopback information to the radar master control system through the Ethernet switch; and after receiving the loopback information, the radar master control system feeds back control information, and writes the control information to the correspondingly connected subsystems through the data transmission plug-in.)
1. A radar real-time data transmission system based on a dwell period, comprising:
the system comprises a radar main control system, an Ethernet switch, a frequency integration system, a signal processing system, a beam control system and a data transmission plug-in;
the radar main system is connected with the Ethernet switch through a network cable;
the frequency synthesis system, the signal processing system and the beam control system are connected with the Ethernet switch through the data transmission plug-in connection network cable.
2. The radar real-time data transmission system based on the dwell period as claimed in claim 1, wherein the system uses 1000Mbps ethernet for data transmission.
3. A dwell period-based radar real-time data transmission method applied to the dwell period-based radar real-time data transmission system according to any one of claims 1 or 2, comprising:
uploading data acquired by a radar to the radar master control system through the Ethernet switch;
the data transmission plug-in reads the loopback information of the frequency synthesis system, the signal processing system and the beam control system which are correspondingly connected with the data transmission plug-in;
sending the loopback information to the radar master control system through the Ethernet switch;
and after receiving the loopback information, the radar master control system feeds back control information, and writes the control information to the frequency synthesis system, the signal processing system and the beam control system which are correspondingly connected through the data transmission plug-in.
4. The dwell period based radar real-time data transmission method of claim 3, wherein the transmission of the loopback information and the control information is performed during each dwell period of radar operation.
5. A dwell period-based radar real-time data transmission apparatus applied to the dwell period-based radar real-time data transmission system according to any one of claims 1 or 2, comprising:
the transmission module is used for uploading data acquired by a radar to the radar master control system through the Ethernet switch;
the reading module is used for reading the loopback information of the frequency synthesis system, the signal processing system and the beam control system which are correspondingly connected by the data transmission plug-in;
the loopback module is used for sending the loopback information to the radar master control system through the Ethernet switch;
and the control module is used for feeding back control information after the radar master control system receives the loopback information, and writing the control information to the frequency integration system, the signal processing system and the beam control system which are correspondingly connected through the data transmission plug-in.
6. The dwell period based radar real-time data transmission apparatus of claim 5 wherein the transmission of the loopback information and the control information is performed during each dwell period of radar operation in the apparatus.
Technical Field
The invention relates to the technical field of radar data transmission, in particular to a radar real-time data transmission system, method and device based on a residence period.
Background
Most of traditional data transmission systems using Ethernet between a radar main control system and a radar subsystem are data transmission systems based on a scheduling period, and the system has large time delay and is not suitable for scenes with high radar tracking data rate requirements.
Disclosure of Invention
The method aims to solve the technical problems that in the prior art, a data transmission system based on a scheduling period has large time delay and is not suitable for scenes with high requirements on radar tracking data rate.
In a first aspect, the present invention provides a radar real-time data transmission system based on a dwell period, including:
the system comprises a radar main control system, an Ethernet switch, a frequency integration system, a signal processing system, a beam control system and a data transmission plug-in;
the radar main system is connected with the Ethernet switch through a network cable;
the frequency synthesis system, the signal processing system and the beam control system are connected with the Ethernet switch through the data transmission plug-in connection network cable.
Further, the system uses 1000Mbps Ethernet for data transmission.
In a second aspect, the present invention provides a radar real-time data transmission method based on a dwell period, which is applied to the radar real-time data transmission system based on the dwell period, and includes:
uploading data acquired by a radar to the radar master control system through the Ethernet switch;
the data transmission plug-in reads the loopback information of the frequency synthesis system, the signal processing system and the beam control system which are correspondingly connected with the data transmission plug-in;
sending the loopback information to the radar master control system through the Ethernet switch;
and after receiving the loopback information, the radar master control system feeds back control information, and writes the control information to the frequency synthesis system, the signal processing system and the beam control system which are correspondingly connected through the data transmission plug-in.
Further, the method performs the transmission of the loopback information and the control information during each dwell period of radar operation.
In a third aspect, the present invention provides a radar real-time data transmission device based on a dwell period, which is applied to the radar real-time data transmission system based on the dwell period, and includes:
the transmission module is used for uploading data acquired by a radar to the radar master control system through the Ethernet switch;
the reading module is used for reading the loopback information of the frequency synthesis system, the signal processing system and the beam control system which are correspondingly connected by the data transmission plug-in;
the loopback module is used for sending the loopback information to the radar master control system through the Ethernet switch;
and the control module is used for feeding back control information after the radar master control system receives the loopback information, and writing the control information to the frequency integration system, the signal processing system and the beam control system which are correspondingly connected through the data transmission plug-in.
Further, the transmission of the loopback information and the control information is performed in the device during each dwell period of radar operation.
The invention has the beneficial effects that:
the invention adopts the standard Ethernet as a transmission medium, transmits the control information and the return information in each residence period, monitors the working state of the data transmission system in real time, has small time delay of the data transmission system, and is beneficial to improving the tracking data rate of the radar system. In an actual system, when the control information is about 1Kbytes, the transmission delay of the control information does not exceed 250 us; when the loopback information is about 2Kbytes, the loopback information delay does not exceed 300 us. The system transmits the control data of the radar main control system and the return data of the radar subsystem and the like between the radar main control system and the radar subsystem based on the residence period, monitors the working state of the data transmission system in real time, and has small system time delay and high tracking data. Real-time monitoring, system time delay, tracking data rate, transmission bandwidth and the like are superior to those of the traditional method.
Drawings
FIG. 1 is a flow chart of a radar real-time data transmission method based on a dwell period according to the present invention;
fig. 2 is a schematic structural diagram of a radar real-time data transmission device based on a dwell period according to the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as particular equipment structures, interfaces, techniques, etc. in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
The invention provides a radar real-time data transmission system based on a residence period, which comprises:
the system comprises a radar main control system, an Ethernet switch, a frequency integration system, a signal processing system, a beam control system and a data transmission plug-in;
the radar main system is connected with the Ethernet switch through a network cable;
the frequency synthesis system, the signal processing system and the beam control system are connected with the Ethernet switch through the data transmission plug-in connection network cable.
In some demonstrative embodiments, the system may use 1000Mbps of ethernet for data transmission.
As shown in fig. 1, the present invention provides a radar real-time data transmission method based on a dwell period, which is applied to the radar real-time data transmission system based on the dwell period, and includes:
s1: uploading data acquired by a radar to the radar master control system through the Ethernet switch;
s2: the data transmission plug-in reads the loopback information of the frequency synthesis system, the signal processing system and the beam control system which are correspondingly connected with the data transmission plug-in;
s3: sending the loopback information to the radar master control system through the Ethernet switch;
s4: and after receiving the loopback information, the radar master control system feeds back control information, and writes the control information to the frequency synthesis system, the signal processing system and the beam control system which are correspondingly connected through the data transmission plug-in.
It should be noted that, the present application is a system for radar real-time data transmission based on a dwell period, where for each radar data transmission, data transmission needs to be performed through two scheduling periods in the prior art (each scheduling period is formed by about 10 dwell periods), one scheduling period is used for data transmission, and the other scheduling period plays a role of a transition period in which a write operation is performed in a current period and a next period becomes effective.
The invention mainly aims to solve the technical problems that:
due to the prior art radar data transmission system
In some demonstrative embodiments, the method may perform the transmitting of the loopback information and the control information during each dwell period of radar operation.
The invention has the beneficial effects that:
the invention adopts the standard Ethernet as a transmission medium, transmits the control information and the return information in each residence period, monitors the working state of the data transmission system in real time, has small time delay of the data transmission system, and is beneficial to improving the tracking data rate of the radar system. In an actual system, when the control information is about 1Kbytes, the transmission delay of the control information does not exceed 250 us; when the loopback information is about 2Kbytes, the loopback information delay does not exceed 300 us. The system transmits the control data of the radar main control system and the return data of the radar subsystem and the like between the radar main control system and the radar subsystem based on the residence period, monitors the working state of the data transmission system in real time, and has small system time delay and high tracking data. Real-time monitoring, system time delay, tracking data rate, transmission bandwidth and the like are superior to those of the traditional method.
As shown in fig. 2, in another aspect, the present invention further provides a radar real-time data transmission device based on a dwell period, which is applied to the radar real-time data transmission system based on a dwell period, and includes:
the
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In some demonstrative embodiments, the transmitting of the loopback information and the control information may be performed in the apparatus during each dwell period of radar operation.
The invention has the beneficial effects that:
the invention adopts the standard Ethernet as a transmission medium, transmits the control information and the return information in each residence period, monitors the working state of the data transmission system in real time, has small time delay of the data transmission system, and is beneficial to improving the tracking data rate of the radar system. In an actual system, when the control information is about 1Kbytes, the transmission delay of the control information does not exceed 250 us; when the loopback information is about 2Kbytes, the loopback information delay does not exceed 300 us. The system transmits the control data of the radar main control system and the return data of the radar subsystem and the like between the radar main control system and the radar subsystem based on the residence period, monitors the working state of the data transmission system in real time, and has small system time delay and high tracking data. Real-time monitoring, system time delay, tracking data rate, transmission bandwidth and the like are superior to those of the traditional method.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The 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 place, or may be distributed on a plurality of 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.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a logistics management server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
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