Large profile, high price, low efficiency in realization prevent phased array from being broadly used in automobile radar and communication systems, though phased array has high performance. The article puts forward a new kind of shifterless phased array based on coupled oscillators. The article studies the dynamics of nearest-neighbor coupled oscillators after reviewing the principles of electrical beam-scanning. According to the need of beam-scanning the desired solutions of phase dynamics are established. From that, we determine how the accessible parameters of coupled oscillators can be adjusted. The article also determines conditions under which those solutions are stable, i.e., physically realizable. Computer simulations are used to testify the usefulness of the method. Then in the last part of the article a complete transmit-receive scheme for vehicle radar and communication systems is given out.


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    Title :

    Low profile, low cost and high efficiency phased array for automobile radar and communication systems


    Contributors:
    Tang Zhikai, (author) / Jiang Yonghua, (author) / Liu Longhe, (author) / Hao Yuan, (author) / Ling Xiang, (author)


    Publication date :

    2005-01-01


    Size :

    2013884 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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