Field_II_ver_3_24_windows_gcc.zip_matlab_field_2

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/626953ff4f8811599e1e3f98/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/626953ff4f8811599e1e3f98/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">Users’ guide for the Field II program</div><div class="t m0 x2 h3 y2 ff2 fs1 fc0 sc0 ls0 ws0">Release 3.24, May 12, 2014</div><div class="t m0 x3 h4 y3 ff1 fs1 fc0 sc0 ls0 ws0">Jørgen Arendt Jensen</div><div class="t m0 x4 h5 y4 ff3 fs2 fc0 sc0 ls0 ws0">May 22, 2014</div><div class="t m0 x5 h5 y5 ff3 fs2 fc1 sc0 ls0 ws0">Jørgen Arendt Jensen</div><div class="t m0 x4 h5 y6 ff3 fs2 fc0 sc0 ls0 ws0">May 21, 2014</div><div class="t m0 x6 h5 y7 ff3 fs2 fc1 sc0 ls0 ws0">Department of Electrical Engineering, Build. 349,</div><div class="t m0 x7 h5 y8 ff3 fs2 fc1 sc0 ls0 ws0">Technical University of Denmark</div><div class="t m0 x8 h5 y9 ff3 fs2 fc0 sc0 ls0 ws0">DK-2800 Lyngby, Denmark</div><div class="t m0 x9 h5 ya ff3 fs2 fc0 sc0 ls0 ws0">E-mail: jaj@elektro.dtu.dk</div><div class="t m0 xa h5 yb ff3 fs2 fc0 sc0 ls0 ws0">Web: http://ﬁeld-ii.dk/</div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div> </body> </html>

<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/626953ff4f8811599e1e3f98/bg2.jpg"><div class="t m0 xb h2 yc ff1 fs0 fc0 sc0 ls0 ws0">CONTENTS</div><div class="t m0 xc h6 yd ff4 fs4 fc1 sc0 ls0 ws0">1 Introduction 3</div><div class="t m0 xc h6 ye ff4 fs4 fc1 sc0 ls0 ws0">2 Program organization 5</div><div class="t m0 xc h6 yf ff4 fs4 fc1 sc0 ls0 ws0">3 Method of simulation 7</div><div class="t m0 xd h7 y10 ff3 fs4 fc1 sc0 ls0 ws0">3.1 The spatial impulse response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7</div><div class="t m0 xd h7 y11 ff3 fs4 fc1 sc0 ls0 ws0">3.2 Simulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7</div><div class="t m0 xd h7 y12 ff3 fs4 fc1 sc0 ls0 ws0">3.3 Focusing and apodization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8</div><div class="t m0 xd h7 y13 ff3 fs4 fc1 sc0 ls0 ws0">3.4 Attenuation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8</div><div class="t m0 xc h6 y14 ff4 fs4 fc1 sc0 ls0 ws0">4 Installation 9</div><div class="t m0 xc h6 y15 ff4 fs4 fc1 sc0 ls0 ws0">5 Description of Matlab procedures 11</div><div class="t m0 xd h7 y16 ff3 fs4 fc1 sc0 ls0 ws0">5.1 List of current procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11</div><div class="t m0 xd h7 y17 ff3 fs4 fc1 sc0 ls0 ws0">5.2 Procedures for Field initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13</div><div class="t m0 xd h7 y18 ff3 fs4 fc1 sc0 ls0 ws0">5.3 Procedures for transducer deﬁnition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17</div><div class="t m0 xd h7 y19 ff3 fs4 fc1 sc0 ls0 ws0">5.4 Procedures for element manipulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45</div><div class="t m0 xd h7 y1a ff3 fs4 fc1 sc0 ls0 ws0">5.5 Procedures for ﬁeld calculation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50</div><div class="t m0 xc h6 y1b ff4 fs4 fc1 sc0 ls0 ws0">6 Examples 59</div><div class="t m0 xd h7 y1c ff3 fs4 fc1 sc0 ls0 ws0">6.1 Phased array imaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59</div><div class="t m0 xd h7 y1d ff3 fs4 fc1 sc0 ls0 ws0">6.2 Linear array imaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61</div><div class="t m0 xd h7 y1e ff3 fs4 fc1 sc0 ls0 ws0">6.3 Flow data generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64</div><div class="t m0 xc h6 y1f ff4 fs4 fc1 sc0 ls0 ws0">Bibliography 66</div><div class="t m0 xe h8 y20 ff1 fs4 fc0 sc0 ls0 ws0">i</div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>

<div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/626953ff4f8811599e1e3f98/bg4.jpg"><div class="t m0 xf h2 y21 ff1 fs0 fc0 sc0 ls0 ws0">LIST OF FIGURES</div><div class="t m0 xd h7 y22 ff3 fs4 fc1 sc0 ls0 ws0">5.1 Concave, round transducer with a radius of 8 mm divided into 1 by 1 mm mathematical elements. . . 19</div><div class="t m0 xd h7 y23 ff3 fs4 fc1 sc0 ls0 ws0">5.2 Rectangles for a convex array with Rconvex equal to 20 mm. . . . . . . . . . . . . . . . . . . . . . . 21</div><div class="t m0 xd h7 y24 ff3 fs4 fc1 sc0 ls0 ws0">5.3 Rectangles for an elevation focused, convex array with Rfocus equal to 10 mm and Rconvex equal to</div><div class="t m0 x10 h7 y25 ff3 fs4 fc1 sc0 ls0 ws0">30 mm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22</div><div class="t m0 xd h7 y26 ff3 fs4 fc1 sc0 ls0 ws0">5.4 Rectangles for an elevation focused, multi-row, convex array with Rfocus equal to 7 mm and Rconvex</div><div class="t m0 x10 h7 y27 ff3 fs4 fc1 sc0 ls0 ws0">equal to 30 mm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24</div><div class="t m0 xd h7 y28 ff3 fs4 fc1 sc0 ls0 ws0">5.5 Rectangles for an elevation focused, linear array with Rfocus equal to 15 mm. . . . . . . . . . . . . . 26</div><div class="t m0 xd h7 y29 ff3 fs4 fc1 sc0 ls0 ws0">5.6 Rectangles for an elevation focused, multi-row linear array with Rfocus equal to 10 mm and 5 rows. . 27</div><div class="t m0 xd h7 y2a ff3 fs4 fc1 sc0 ls0 ws0">5.7 Display of the geometry and apodization of a linear array transducer. . . . . . . . . . . . . . . . . . . 30</div><div class="t m0 xd h7 y2b ff3 fs4 fc1 sc0 ls0 ws0">5.8 Rectangles for a 16 elements linear array transducer. . . . . . . . . . . . . . . . . . . . . . . . . . . 32</div><div class="t m0 xd h7 y2c ff3 fs4 fc1 sc0 ls0 ws0">5.9 Geomtery of multi-row linear array transducer. Currently x and y has been switched. . . . . . . . . . 33</div><div class="t m0 xd h7 y2d ff3 fs4 fc1 sc0 ls0 ws0">5.10 Rectangles for a 16 by 5 elements multi-row transducer. . . . . . . . . . . . . . . . . . . . . . . . . . 34</div><div class="t m0 xd h7 y2e ff3 fs4 fc1 sc0 ls0 ws0">5.11 Piston transducer with a radius of 8 mm divided into 1 by 1 mm mathematical elements. . . . . . . . 36</div><div class="t m0 xd h7 y2f ff3 fs4 fc1 sc0 ls0 ws0">5.12 Fully populated two-dimensional array with 11 by 13 elements. . . . . . . . . . . . . . . . . . . . . . 43</div><div class="t m0 xd h7 y30 ff3 fs4 fc1 sc0 ls0 ws0">5.13 Partially populated two-dimensional array with 23 elements. . . . . . . . . . . . . . . . . . . . . . . 44</div><div class="t m0 xd h7 y31 ff3 fs4 fc1 sc0 ls0 ws0">5.14 Linear array transducer with a ﬁxed apodization of the mathematical elements. . . . . . . . . . . . . 46</div><div class="t m0 xd h7 y32 ff3 fs4 fc1 sc0 ls0 ws0">5.15 Intensity proﬁle for linear array transducer with an elevation focus lens. . . . . . . . . . . . . . . . . 47</div><div class="t m0 xd h7 y33 ff3 fs4 fc1 sc0 ls0 ws0">5.16 Example of calculated response when using different physical element excitations. . . . . . . . . . . 49</div><div class="t m0 xd h7 y34 ff3 fs4 fc1 sc0 ls0 ws0">5.17 Received voltage traces from the individual elements of a 16 elements linear array transducer, when</div><div class="t m0 x10 h7 y35 ff3 fs4 fc1 sc0 ls0 ws0">transmitting with three different elements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55</div><div class="t m0 xd h7 y36 ff3 fs4 fc1 sc0 ls0 ws0">5.18 Received voltage traces from the individual elements of a linear array transducer (top) and the sum of</div><div class="t m0 x10 h7 y37 ff3 fs4 fc1 sc0 ls0 ws0">all the individual responses (bottom). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57</div><div class="t m0 x11 h8 y20 ff1 fs4 fc0 sc0 ls0 ws0">1</div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>