A voltage signal is produced by a transducer

Assignment Help Mechanical Engineering
Reference no: EM13709008

A voltage signal is produced by a transducer.  The signal contains its strongest frequency component at 50 Hz (amplitude = 5.0 V), plus a weaker component at the second harmonic (100 Hz) with amplitude 2.0 V. In addition, there is noise at 60 Hz with amplitude 0.50 V, and some overall low-amplitude background noise at all frequencies. The voltage signal is measured with a digital data acquisition system. The sampling frequency is 80 Hz.

(a) Sketch the frequency spectrum that would be generated under these conditions. Be careful to add numbers to the frequency scale and voltage scale, and label each spike in the spectrum, explaining the origin of each spike.

(b) If a 6th-order low-pass Butterworth filter is used to attenuate the 100 Hz component, with a cut off frequency of 60 Hz, by how many dB will the 100 Hz component be attenuated?

Reference no: EM13709008

Determine the final equilibrium pressure

An ideal gas is confined to one side of a rigid, insulated container divided into equal volumes by a partition. The other side is initially evacuated. The following data are k

Isentropic stagnation pressure rise across compressor slip

A centrifugal air compressor is driven at 40,300 rpm. The inlet eye of the compressor has a hub diameter of 2.09 in and an outer diameter of 4.56 in. The impeller tip diameter

Determine a structures natural frequency

Determine a structures natural frequency. Sketch a typical time wave response curve of such a test, then label the impact point and indicate the test piece's natural frequen

Calculate the lead and the pitch diameter of the worm

A four-threaded worm drives a 48-tooth worm gear having a pitch diameter of 7.64 in. and a helix angle of 20°. If the shafts are at right angles, calculate the lead and the

Find the required diameter of the balloon

determine the required diameter of the balloon if it is approximated to be a sphere. Also explain why the load is to be carried below the balloon. Note the specific weigh t

Determine the fluid speed at the origin

The velocity field of a flow is given by V = (3y + 2)i + (x - 8)j + 5zk , where x, y, and z are in feet. Determine the fluid speed at the origin (x = y = z = 0) and on the y a

Find the approximate modelling solution to evaluate

With your problem solving and modelling skills to consider more advanced problems using the finite element method. i.e, A single layer, homogeneous structure subject to a cy

Determine the vertical displacement dc of joint c

The truss ABCD shown in the figure is loaded by a vertical force P at joint Band by a horizontal force P at joint C. The axial rigidity of every member is EA. Determine the


Write a Review

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd