This Regularity Dimension by Lissajous Method techniques utilized are basic and dependable, and dimension may end up being made at any regularity in the response variety of the oscilloscope.This particular pattern outcomes when sine mounds are used simultaneously to both sets of the deflection plates.
If one rate of recurrence is an integral a number of (harmonic) of the other, the pattern will become stationary, and will be known as a Lissajous amount. Nevertheless, the unfamiliar frequency can be provided to the up and down plates and the identified regularity (regular) to the side to side plates. The producing patterns depend on the integral and stage romantic relationship between the two frequencies. The horizontal signal will be specified as n h and the up and down sign as f sixth is v ). ![]() Arranged the horizontal and up and down gain handle for the desired width and elevation of the pattern. Keep frequency f sixth is v constant and vary regularity f h, noting that the pattern moves in alternate directions and changes shape. The design stands still whenever f sixth is v and f h are usually in an integral proportion (possibly even or unusual). The f v f h pattern appears nevertheless and will be a solitary circle or ellipse. When y sixth is v 2 f l, a two loop side to side pattern is obtained as demonstrated in Fig. An precisely calibrated, variable rate of recurrence oscillator will provide the side to side search frequency for Rate of recurrence Measurement. For the case where the two frequencies are equivalent and in phase, the pattern seems as a straight line at an position of 45 with the horizontal. As the phase between the two alternating signals adjustments, the design adjustments cyclically, i.at the. Hence the two frequencies, as well as the phase displacement can end up being compared using Lissajous statistics methods.
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |