FehJbauerscheinung 



Fehlersucher 



-bauer scheinung mosaic struo 

 ture (of metal crystals). 



Fehler (cf Verzerrung) error, de- 

 fect, fault, flaw, failure, dis- 

 tortion, aberration (in lenses), 

 trouble (in circuits). 



Fehler, chromatischer chromatic aber- 

 ration. -, stroboskop i scher 

 stroboscopic aberration. 

 Abbil dungs- ^defect of image, 

 aberration. Abglei ch- unbalance, 

 balancing error, alignment error. 

 Beobachtungs- error of observa- 

 tion, experimental e. Bild- pic- 

 ture distortion, image d. Ein- 

 stell- faulty focusing, faulty 

 spot control, decrease of spot 

 with intensity increase, large 

 diffuse speck on screen, in gas- 

 focused picture reproducing 

 tube (telev. ) Farb-, Far ben- 

 chromatic aberration, c. or 

 color defect. Form- informality, 

 formal defect. Geometrle- 

 geometric distortion. Geschwin- 

 digkeits- distortion due to 

 synchronous speed differences. 

 Glass- glass defects or flaws: 

 striae, cords (when large), 

 bubbles (seeds when small, air- 

 bells when of irregular shape), 

 stones, crystallization bodies. 

 Gleichgewichts- imbalance, un- 

 balance. Gleichlauf- jitters 

 (distortion caused by non- 

 synchronism in facsimile). 

 Instrumenten- variations of bear- 

 ing due to instruments (df). 

 Kugel gestalts- spot-size distor- 

 tion. Leitungs- line failure or 

 fault. Linsen- lens defects, 1. 

 aberrations. Norddreh- norther- 

 ly turning error, öffnungs- 

 apertural defect, a. effect or 

 error. Orts- geometric location 

 error. Peil- direction-finding 

 error (e.g., due to night ef- 

 fects), distortion of bearing. 

 Phasen- error of phase, phase 

 distortion. Richtungs- deviation 



(of pencil); directional distor- 

 tion (of bearing). Tei lungs- 

 faulty pitch (of an image), un- 

 derlap (of lines). Tonnen- 

 barrel distortion, positive dis- 

 tortion. Trapez- trapezoidal, 

 keystone or trapezium distortion 

 (due to dissymmetry to earth of 

 deflection plates). Verschiebe- 

 lack of synchronism, out-of-frame 

 defect. Versuchs- experimental, 

 error. Zerdehnungs- (eines Bil- 

 des) radial distortion of a pic- 

 ture or image (pincushion effect). 

 Zerdrehungs- (eines Bildes) 

 rotational or tangential distor- 

 tion, twist (barrel effect). 

 Zonen-, Zwischen- zonal aberra- 

 tion, zonal error. 



Fehler-beseiti Qung curing or 

 elimination of errors or of 

 defects, "trouble shooting. " 

 -dämpfung balance attenuation, 

 return loss, -drei eck triangle 

 of error, -eingrenzung tracking 

 down seat or source of inter- 

 ference or trouble, localizing 

 t. 



fehlerfrei free from flaws, faults 

 or defects, faultless, unmarred, 

 sound; aplanatic (free from 

 spherical aberratifen), aberra- 

 tionless (of a lens). -,farb- 

 achromatic. -,pol ar i sations- 

 free from polarization error 

 Idf). 



Fehl er-funktion,-gleichung 



(Gaussian) error equation, -grenze 

 limit of error. 



fehl erhaft faulty, defective, im- 

 paired, having flaws. 



Fehl ersehe i bchen circle of confusion; 

 apertural effect. -Schutzein- 

 richtung fault clearing device. 

 -sucher aniseikon (electronic 

 crack detector), electromagnetic 

 flaw d. (using flash magnetiza- 

 tion), magnaflux inspection means, 

 device used for flaw detection by 

 x-ray or materiology methods. 



