Electric signal feature extraction and recognition system oriented to aircraft flying process
A flight process and feature extraction technology, applied in the direction of instruments, measuring electricity, measuring electrical variables, etc., can solve the problems of interference of measurement results, limited types and functions of signal processing, inability to realize data storage, parallel work of graphic display and signal processing, etc. , to achieve the effect of avoiding mutual interference and improving recognition accuracy
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[0027] Specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0028] Such as figure 1 Shown is the system block diagram of the present invention, figure 2 It is a schematic diagram of system connection in the present invention; from figure 1 and figure 2 It can be seen that a kind of electrical signal feature extraction and recognition system for spacecraft flight process proposed by the present invention includes: sensor module, I-V conversion module, isolation matching / amplification module, data acquisition module, first optical fiber transceiver, second optical fiber Transceiver and software processing modules;
[0029] The sensor module includes current sensor (LEM IT 60-S ULTRASTAB), reference potential sensor (NI 9220-24bit), voltage sensor (NI 9220-16bit), telemetry voltage sensor (NI 9220-16bit) and telemetry communication sensor (DDC 61580, B3226), current sensor, reference potenti...
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