What is the use of Lissajous pattern?

What is the use of Lissajous pattern?

A Lissajous curve is used in experimental tests to determine if a device may be properly categorized as a memristor. It is also used to compare two different electrical signals: a known reference signal and a signal to be tested.

What are Lissajous figures explain?

Definition of Lissajous figure : any of an infinite variety of curves formed by combining two mutually perpendicular simple harmonic motions, commonly exhibited by the oscilloscope, and used in studying frequency, amplitude, and phase relations of harmonic variables.

What are lissajous patterns and how do you find frequency with them?

To determine the frequency from any Lissajous figure, count the number of horizontal loops in the pattern, divide it by the number of vertical loops and multiply this quantity by fh (known or standard frequency).

What characteristics of the Lissajous pattern indicates the ratio of the frequencies that form the pattern?

The simplest Lissajous patterns appear in the oscilloscope display when the frequencies of the signals are the same, i.e. their ratio is 1:1. When this condition is met and when the phase shift is 0°, the display consists of a straight line sloping upward from the left side of the screen to the right side.

What is Lissajous pattern experiment?

Details. Objective : To Study of Lissajous Patterns Apparatus has been designed to study the various Lissajous figures when sine wave signals of same frequency differs in phase. Features : Fixed Output DC Regulated Power Supply of +15V. Built in Sine Wave Oscillator of 1 kHz frequency.

Which of the following measurements can be made using Lissajous figure?

frequency
Lissajous figures are used for the measurement of frequency and phase difference. The patterns used to measure phase and frequency with a cathode ray oscilloscope are called Lissajous pattern.

How are Lissajous figures formed in CRO?

A Lissajous figure is displayed on the screen when sinusoidal signals are applied to both horizontal & vertical deflection plates of CRO. Hence, apply the sinusoidal signals, which have same amplitude and frequency to both horizontal and vertical deflection plates of CRO.

What changes GPRS need to acquire?

What changes GPRS need to acquire while upgrading itself from GSM? Explanation: GPRS requires a GSM operator to install new routers and Internet gateways at the base station along with new software upgrade. New base station RF hardware is not required.

How are the patterns in a Lissajous figure different?

These patterns will vary based on the amplitudes, frequencies and phase differences of the sinusoidal signals, which are applied to both horizontal & vertical deflection plates of CRO. The following figure shows an example of Lissajous figure.

How are the Lissajous figures used in Cro?

Lissajous figure is the pattern which is displayed on the screen, when sinusoidal signals are applied to both horizontal & vertical deflection plates of CRO. These patterns will vary based on the amplitudes, frequencies and phase differences of the sinusoidal signals, which are applied to both horizontal & vertical deflection plates of CRO.

How are Lissajous patterns formed in an audio oscillator?

Lissajous patterns are formed when two sine waves are applied simultaneously to the vertical and horizontal deflecting plates of a CRO. The two sine waves may be obtained from two audio oscillators as shown in the figure below. Obviously, in this case, a sine wave sweeps a sine-wave input signal.

What are the limitations of the Lissajous method?

The two main limitations of this method are as under: (ii) the maximum ratio of frequencies that can be used is 10: 1. Beyond that, the Lissajous patterns become too complex to analyze. A Lissajous pattern is obtained on CRO with an unknown phase difference f.