Pathfinding method for high frequency signal connection
A path search, high-frequency signal technology, applied in the information field, can solve problems such as the inability to guarantee the global optimal signal connection, and achieve the effects of reducing power, reducing signal transmission loss, and prolonging service life
Active Publication Date: 2022-06-03
中国人民解放军海军航空大学航空作战勤务学院
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Problems solved by technology
However, the signal connection in the signal-oriented test system may contain multiple signal channels (such as the DigitalBus connection type in the STD standard), and even a single signal channel generally has multiple signal lines, and different signal channels or signal lines in the switching system Possibly communicated via different relays
The single-source shortest path search method cannot guarantee the global optimum of signal connections
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[0041] Below by the examples, and in conjunction with the accompanying drawings, the technical solutions of the present invention are described in further detail. in the description
[0042] Referring to FIG. 1, an automated test system 100 according to one embodiment of the present invention is shown. Usually automated tests
[0043] The switch system 20 is composed of a large number of switches, which constitute a signal connection path between the measured object and the test instrument.
[0044] The matrix switch is composed of m input ports (rows) and n output ports (columns), and has m*n cross-nodes inside.
[0045] The tree switch is composed of 1 input port and n output ports, and there are n cross nodes inside. with matrix switch
[0046] We can think of the switch system as an undirected graph, the vertices of the graph are the pins and the edges are the lines connected by the relays.
[0047] A connector refers to a connecting wire in a switching system. The automati...
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The invention discloses a path search method for high-frequency signal connection, which belongs to the field of information technology. The path search method for high-frequency signal connection, the path search method includes the following steps: setting each relay in the switch system in the automatic test system as a node, and establishing a corresponding relay information data set in the switch database ; Read the pin data set, source port data set, destination port data set and pin signal attenuation data set of the relay in the corresponding relay information data set through the resource management engine; through the resource management engine according to the pin data set of the relay, The source port data set, the target port data set and the pin signal attenuation data set are calculated to obtain the lowest overhead path between the source port and the destination port; the resource management engine calls the switch system driver to change the value of each relay in the lowest overhead path Connect states to form a connected signal loop.
Description
Path search method for high frequency signal connection technical field [0001] The present invention relates to the field of information technology, and in particular, to a path search method for high-frequency signal connection. Background technique Automatic test equipment (automatic test equipment, ATE) can implement signal measurement, analysis of Analysis, processing, storage and transmission, and display and output of test results. The switch system acts as a channel for signal transmission and is responsible for The test points of the equipment are connected to the test instruments and play an extremely important role within the automatic test equipment. reasonably set Design and use of switching systems, on the one hand, can reduce the demand for switching resources of test equipment, and on the other hand can reduce the transmission of signals The attenuation in the process can also better improve the reliability of the automatic test system. Thus, the si...
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IPC IPC(8): G06F30/30G01R31/327G01R31/66
CPCG06F30/30G01R31/327G01R31/66Y02D30/50
Inventor 牛双诚晋玉强寇昆湖文天柱
Owner 中国人民解放军海军航空大学航空作战勤务学院