#Sales Offer!| Get upto 25% Off:

A transducer can be focused by curving the crystal to conform to the shape of a sphere, as shown in Figure P10.1. To analyze the field pattern, however, it is convenient to assume that the transducer is flat but that we can independently control the time delay of each element on its face. Assume that the point (xm, ym, 0) is the point farthest out on the flat face.

(a) Show that the time delay for a point (x0, y0, 0) on the flat face is approximately

Best Essay Writing Services | EssayBureau.com

where Best Essay Writing Services | EssayBureau.com m and d is the desired focal depth.

(b) Use the steady-state approximation and show that at z = d the Fresnel field pattern is

Best Essay Writing Services | EssayBureau.com

where S(u, v) is the 2-D Fourier transform of s(x, y)

(c) Discuss the merits of focusing.

Best Essay Writing Services | EssayBureau.com

Figure P10.1 Geometry of curved transducer for Problem 10.16.

 

Found something interesting ?

• On-time delivery guarantee
• PhD-level professional writers
• Free Plagiarism Report

• 100% money-back guarantee
• Absolute Privacy & Confidentiality
• High Quality custom-written papers

Related Model Questions

Feel free to peruse our college and university model questions. If any our our assignment tasks interests you, click to place your order. Every paper is written by our professional essay writers from scratch to avoid plagiarism. We guarantee highest quality of work besides delivering your paper on time.

Grab your Discount!

25% Coupon Code: SAVE25
get 25% !!