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cophased horizontal antenna
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cophased horizontal antenna
Encyclopedia
工学
【长、中、短波天线】
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cophased horizontal antenna
同相水平天线
由同相馈电的水平对称振子组成的边射式平面天线阵。为了保证单向的辐射和接收,在阵面的一侧设置反射面。这种天线可用于短波干线通信或广播和米波警戒雷达等。
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homology intersection
homology manifold
homology modeling
homology modeling method
homology module
homology object
homology of a bundle
homology of a complex
homology of a dynamical system
homology of a Lie algebra
homology of a Lie group
homology of a polyhedron
homology of a product
homology of a ring
homology of a space
homology of a surface
homology of CW-complex
homology operation
homology product
homology ring
homology search
homology sequence
homology simplex
homology spectral sequence
homology sphere
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