| OCR Text |
Show 95 ambient and reflected interference and electromagnetic lead to invalid measurements. taken which eliminate phenomena. light, Light invalid Steps have been measurements occasionally reflected floor, or objects in the room by anearby due to off these the walls, light source has caused the only observed invalid measurements. Most of problems. the The implemented, Grounding development vast problems difference working system problems between was provided were a theory and an clearly the hardware demonstrated. greatest difficulty. Inadequate centering the disk and the motor shaft had to compensated for in software. Design of a satisfactory pulse amplifier circuit was a most challenging problem. of the reference pulse assembly difficulties in Balancing of the accelerometer. the disks digitizer required the and properly control resurrection led unit. of an Disks which were not satisfactorily balanced caused problems by vibrating and subsequently photomultiplier Alignment proved to be difficult. Printed circuit board cards which did not fit to be tube socket connections. breaking Design of the an optical system to gather light from any area of the room and focus it onto a relatively small photocathode required an interesting arrangement of lens, and problems diodes, a condensing centered determining around the an lens. the horse objective lens, a Fresnel Other hardware development timing of light-emitting power required to spin the |