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Windows packet capture (WinPcap) + gigabit Ethernet external radiation source radar data transmission method

A technology of external radiation source radar and data transmission method, applied in radio wave measurement systems, instruments, etc., can solve the problems of difficult development, high development cost, long development cycle, etc., to reduce the risk of errors, low development cost, and development short cycle effect

Inactive Publication Date: 2014-08-20
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies such as large development difficulty, high development cost, and long development cycle in the above-mentioned prior art, and proposes a WinPcap+Gigabit Ethernet external radiation source radar data transmission method to simplify the external radiation source radar system structure , improve system performance, reduce development costs, and realize real-time transmission of radar signals

Method used

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  • Windows packet capture (WinPcap) + gigabit Ethernet external radiation source radar data transmission method
  • Windows packet capture (WinPcap) + gigabit Ethernet external radiation source radar data transmission method
  • Windows packet capture (WinPcap) + gigabit Ethernet external radiation source radar data transmission method

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Embodiment 1

[0047] The invention relates to a WinPcap+Gigabit Ethernet external radiation source radar data transmission method between an antenna receiving part and a radar signal real-time processing part in a multi-frequency point external radiation source radar signal real-time processing system.

[0048] see figure 1 The real-time processing system of multi-frequency point external radiation source radar signal is a large system with complex functions and many inventions and innovations. The basic composition includes antenna receiving part, radar signal real-time processing part and terminal display part according to the direction of signal transmission and processing. The present invention is the data transmission part from the antenna receiving part to the radar signal real-time processing part in the multi-frequency point external radiation source radar signal real-time processing system, see figure 2 .

[0049] The external radiation source radar system transmits a large amoun...

Embodiment 2

[0078]The WinPcap+Gigabit Ethernet external radiation source radar data transmission method is the same as that in Embodiment 1.

[0079] refer to figure 1 , The external radiation source radar system applied by the external radiation source radar data real-time transmission method proposed by the present invention includes an 8-element antenna, a digital channel receiver, a signal processor, and a terminal display and control platform. Among them, the 8-element antenna receives 8 FM radio station signals, and the received signals mainly include target echo signals, direct wave signals, ground clutter signals, multipath clutter signals and noise signals. The signal received by the 8 circular array antenna is transmitted to the signal processor for real-time processing through the network cable, and the processed result is sent to the terminal display platform, and the terminal performs track display processing.

[0080] refer to figure 2 , in the antenna receiver of the ext...

Embodiment 3

[0087] The WinPcap+Gigabit Ethernet external radiation source radar data transmission method is the same as that in Embodiment 1-2.

[0088] Effect of the present invention is illustrated by the following simulations:

[0089] 1) Experimental conditions:

[0090] The software platform in the experiment is Visual Stdio 2008+WinPcap+CUDA, the WinPcap library uses version 4.1.2, CUDA uses version 4.0, the GPU graphics card model is NVIDA Telsa C2075, the signal processor uses AMAX workstation, the operating system is Win7 system, and the simulated emission source The Sugon (Dawn) server is selected, and the network cards used in the simulation are all Intel Gigabit Ethernet cards of the same model, and all support jumbo frames, and the transmission medium is a common network cable. The simulation data uses 100s signal data of 8 FM stations. Each frequency point contains 1 channel of reference beam data and 17 channels of target echo beam data. The total data volume is 200000*18 ...

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Abstract

The invention discloses a windows packet capture (WinPcap) + gigabit Ethernet external radiation source radar data transmission method. Through system resource configuration, an 8-circular-array antenna receives a frequency-modulated signal, two field programmable gate arrays packs 8-frequency-point data, two internal memory buffer zones are arranged in a signal processor; two data channels are arranged between an antenna receiving machine and the signal processor, two network cards are arranged at a receiving end of each channel; four frequency points form a group to be transmitted in parallel through two network cables; and two data receiving threads at the receiving end correspond to the two network cards and receive data. The data is stored in a ping-pong mode. The problems that an external radiation source radar data transmission system based on a private data transmission plate is long in developing cycle, high in cost and bad in portability, and a large amount of data is hard to transmit in real time are solved, and the fact that external radiation source radar information is transmitted in real time is achieved. Developing cost is low, portability is strong, and data can be directly stored in an internal memory. The transmission method can be used for external radiation source radar data real-time transmission.

Description

technical field [0001] The invention belongs to the technical field of radar, and relates to a method for transmitting and receiving a large amount of data between an antenna receiving part and a signal processing part in an external radiation source radar signal processing system, specifically a WinPcap+ Gigabit Ethernet external radiation source radar data The transmission method can realize the real-time transmission and reception of the radar signal data of the external radiation source under the WinPcap library + Visual studio software integrated development platform. technical background [0002] With the continuous development of modern technology, various traditional system radars are facing unprecedented challenges. How to overcome the increasing threats of electronic reconnaissance and electronic jamming, high-speed anti-radiation missiles, ultra-low-altitude aircraft, cruise missiles, and stealth aircraft has become a problem that radar science and technology work...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S7/02
Inventor 王俊武勇夏斌刘田何春娟
Owner XIDIAN UNIV
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