Two-dimensional sonar array rarefaction method based on beetle antennae search algorithm
The invention discloses a two-dimensional sonar array rarefaction method based on a beetle antennae search algorithm, and belongs to the technical field of sonar signal processing, and the method comprises the following steps: S1, receiving echo signals received by each sensing array element of a tr...
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| creator | CHEN JIZHAN XING SHOUZHUANG HUANG YUANKAI XING JIAXUAN CHEN ZIYAN |
| description | The invention discloses a two-dimensional sonar array rarefaction method based on a beetle antennae search algorithm, and belongs to the technical field of sonar signal processing, and the method comprises the following steps: S1, receiving echo signals received by each sensing array element of a transducer sonar array, and carrying out the preprocessing of the echo signals, the method comprises the steps of S1, obtaining a digital signal sequence of each sensing array element, S2, dividing the digital signal sequence obtained by each sensing array element at equal time intervals, wherein each time period has L sampling points, S3, calculating the L sampling points of each time period based on a two-dimensional array beam forming algorithm to obtain a beam b, and S4, multiplying the beam b by an array element switch state matrix to construct an optimization model, the method comprises the following steps: S1, carrying out sparse signal wave beam calculation on L sampling points in each time period after L sam |
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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES CALCULATING COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS COMPUTING COUNTING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
| title | Two-dimensional sonar array rarefaction method based on beetle antennae search algorithm |
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