Dispersive-frequency companding of low-frequency finite signals for objects remote control
DOI:
https://doi.org/10.3103/S0735272714040037Keywords:
finite low-frequency signal, efficient spectrum, dispersive low-frequency delay line, linear function of group delay time, remote control, dispersive-frequency companding, compression, expandingAbstract
There are noted specificities of known methods of frequency companding of radio signal by high frequency (HF) dispersive delay lines (DDL). It is proposed a principle of dispersive-frequency companding of low-frequency (LF) finite signals for remote control of physical objects and its realization system. It is shown that LF DDL of definite order can be both frequency compressor and frequency expander. The system of this principle realization at transmitting side contains LF DDL—frequency compressor and low-pass filter, and at transmitting side it contains LF DDL of the same order—frequency expander.
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