Alexandru Timotin, Florin Teodor Tãnãsescu * Structures for a Thesaurus of Technical Terminology

Table 3. A semantic field (partly presented)

signal processing						(top-concept of Z category)
   < G  technical process
   <<L  signal
	<-> signal transmission
	<-> signal recording
	<-> signal reproduction
	    >>S amplification
		> S parametric amplification
		> S current amplification
		> S power amplification
		> S voltage amplification
		> R amplifier
		  > S electronic amplifier
		    > S amplifier (for telecommunications)
			> S antenna amplifier 
			> S high frequency amplifier 
			> R stage coupling
			> D repeater
		    > S measurement amplifier 
		    > S operational amplifier  
			> R common mode signal
		    > S tuned amplifier  
			> Q tuning frequency range
		    > S direct current amplifier   
		    > S pulse amplifier  
			> R linear (pulse) amplifier 
			> R logarithmic amplifier 
		    > S power amplifier 
		    > S preamplifier 
		    > R amplification automatic control circuit
		  > R harmonic distortion
		  > S magnetic amplifier			.......................................etc.
		  > S mechanical amplifier			.......................................etc.
		    > S rotational amplifier 			.......................................etc.
		  > S parametric amplifier			.......................................etc.
		  > Q amplification factor
		  > Q (harmonic) distortion factor 
		  > R ideal amplifier
	    >>S signal conversion
		>>S (signal) analog-to-digital conversion
		>>S (signal) digital-to-analog  conversion
		> R signal converter
		  >>S analog-to-digital converter
		  >>S digital-to-analog converter
		  >>S amplitude-to-time converter  
		  >>S time-to-amplitude converter  
	    > S modulation					.......................................etc.
	    > S pulse processing				.......................................etc.
	    > R pre-emphasis					.......................................etc.
	    > R de-emphasis					.......................................etc.
	    > R detection					.......................................etc.

116