Vortex electromagnetic wave generation device and method
A vortex electromagnetic wave and generation device technology, applied in electromagnetic wave transmission systems, electrical components, digital transmission systems, etc., can solve problems such as difficulty in OAM mode generation and detection, difficulty in redefining mode topology loads, etc.
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[0039] Below in conjunction with the drawings, preferred embodiments of the present invention are given and described in detail.
[0040] Such as figure 2 As shown, one of the present invention, namely a kind of vortex electromagnetic wave generating device, comprises: the channel coding module 1 that connects successively, constellation mapping module 2, orbital angular momentum modulation module (hereinafter referred to as OAM modulation module) 3, digital-to-analog conversion Module (hereinafter referred to as DAC module) 4, quadrature up-conversion module 5 and circular array transmitting antenna 6, and the mode definition module 7 connected with OAM modulation module 3, the phase synchronization module 8 connected with quadrature up-conversion module 5 ,in:
[0041] The channel encoding module 1 is used to encode the binary information bit stream input from the periphery;
[0042] Constellation mapping module 2 is used to generate a complex digital signal stream a(n) a...
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