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Carrier Transmission of Signals

  • Henning F. Harmuth

Abstract

The transmission of constants a x (j) by a system of orthogonal functions {f(j,θ)} has been discussed in the previous chapter. The transmission of time functions F(θ) or F x (θ) by means of a system of time functions {Φ(k,θ)} will be discussed now. These functions Φ(κ, θ) will be called carriers. F(θ) denotes any time function, e.g., the output voltage of a microphone. The notation F x (θ) is used to emphasize time functions that contain a finite number of coefficients a x (j), such as teletype signals:
$$\mathop F\nolimits_x (\theta ) = \sum\limits_{j = 0}^{m - 1} {\mathop a\nolimits_x } (j)f(j,\theta )$$

Keywords

Local Carrier Quadrature Modulation Walsh Function Multiplex System Multiplex Signal 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag, Berlin · Heidelberg 1972

Authors and Affiliations

  • Henning F. Harmuth
    • 1
  1. 1.Department of Electrical EngineeringThe Catholic University of AmericaUSA

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