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The living environment of satellite navigation and positioning equipment is increasingly complex and severe,all kinds of electronic countermeasures,interference and deception are very fierce,and man-made interference has become the focus of satellite navigation and positioning security and confrontation. In view of the shortcomings of traditional means to effectively deal with the complexity, comprehensiveness and systematization of interference,the paper ,based on the analysis of OODA ring theory and practice transformation, combined with the overall counter process of interference and anti-interference in complex environment, optimized operation, coupled with satellite navigation and positioning security and counter, innovative satellite navigation and positioning security and counter non-directional circular link which is based on environment awareness, screening isolation, detection and recognition, performance evaluation, strategic planning, counter attack-return visit feedback, reperception. The seven links of expansion and mapping are analyzed and demonstrated. By introducing the concepts of loop and undirected, the operation mechanism of nested iteration and guided transmission of cyclic outer loop and loop in link is not only realized, but also the freedom of the inner loop is optimized, so that links are interconnected and independent, and loop but not directed, effectively enhance the safety of satellite navigation and positioning and the robustness of confrontation. The design idea of the paper can accelerate the realization of the dynamic closed-loop loop of cyclic link, improve the overall efficiency of countermeasure, and has certain reference value in practical application and technology demonstration.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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