readme_sim14.ps

这是一个射线追踪的源码

(on) 140.28 617.2 T
(Simulps13q) 155.03 617.2 T
(\050Eberhart-Phillips,) 215.13 617.2 T
(pers.) 306.87 617.2 T
(comm.,) 332.61 617.2 T
(1998\051) 371.36 617.2 T
(which) 402.11 617.2 T
(in) 434.18 617.2 T
(addition) 446.27 617.2 T
(to) 488.35 617.2 T
(the) 500.44 617.2 T
(usual) 517.85 617.2 T
(ve-) 545.93 617.2 T
(locity) 45.35 603.2 T
(inversion) 74.95 603.2 T
(also) 121.88 603.2 T
(incorporates) 143.48 603.2 T
(a) 205.05 603.2 T
(t*) 212.65 603.2 T
(inversion) 224.24 603.2 T
(routine) 271.17 603.2 T
(to) 307.43 603.2 T
(determine) 319.03 603.2 T
(3D) 369.28 603.2 T
(distribution) 386.21 603.2 T
(of) 443.82 603.2 T
(damping) 456.08 603.2 T
(values) 500.34 603.2 T
(\050Riet-) 533.26 603.2 T
(brock, 1996\051.) 45.35 589.2 T
(The) 45.35 575.2 T
(new) 66.5 575.2 T
(feature) 88.97 575.2 T
(in) 124.76 575.2 T
(Simulps14) 136.57 575.2 T
(is) 190.4 575.2 T
(the) 200.89 575.2 T
(incorporation) 218.03 575.2 T
(of) 285.17 575.2 T
(an) 297.64 575.2 T
(alternative) 311.45 575.2 T
(forward) 364.58 575.2 T
(solution) 405.05 575.2 T
(method) 446.2 575.2 T
(\050ray) 484.68 575.2 T
(tracer\051.) 506.48 575.2 T
(Ac-) 543.27 575.2 T
45 719/G996764 FmPA
(curate) 45.35 561.2 T
(and) 77.03 561.2 T
(fast) 96.71 561.2 T
(ray) 116.39 561.2 T
(tracing) 134.07 561.2 T
(in) 169.75 561.2 T
(inhomogeneous) 181.45 561.2 T
(media) 259.8 561.2 T
(is) 291.48 561.2 T
(a) 301.84 561.2 T
(crucial) 309.52 561.2 T
(factor) 344.53 561.2 T
(for) 374.87 561.2 T
(a) 391.22 561.2 T
(successful) 398.9 561.2 T
(tomographic) 450.58 561.2 T
(inversion.) 513.59 561.2 T
(The) 45.35 547.2 T
(original) 67.88 547.2 T
(ray) 109.09 547.2 T
(tracing) 128.28 547.2 T
(routine) 165.47 547.2 T
(in) 203.34 547.2 T
(Simulps,) 216.55 547.2 T
(approximate) 262.76 547.2 T
(ray) 326.62 547.2 T
(tracing) 345.82 547.2 T
(+) 383.01 547.2 T
(pseudo-bending,) 393.65 547.2 T
(ART_PB,) 477.17 547.2 T
(is) 528.72 547.2 T
(well) 540.59 547.2 T
(tested) 45.35 533.2 T
(and) 75.83 533.2 T
(fast.) 95.63 533.2 T
(But) 118.43 533.2 T
(it) 138.25 533.2 T
(was) 147.4 533.2 T
(often) 168.53 533.2 T
(noted) 195.67 533.2 T
(that,) 224.81 533.2 T
(depending) 248.28 533.2 T
(on) 300.75 533.2 T
(velocity) 315.23 533.2 T
(model) 356.37 533.2 T
(heterogeneity,) 388.84 533.2 T
(ART_PB) 459.64 533.2 T
(results) 506.79 533.2 T
(may) 540.59 533.2 T
(be) 45.35 519.2 T
(inaccurate) 60.02 519.2 T
(for) 112.66 519.2 T
(ray) 129.99 519.2 T
(lengths) 148.64 519.2 T
(exceeding) 186.65 519.2 T
(approx.) 238.63 519.2 T
(60) 278.29 519.2 T
(km.) 293.62 519.2 T
(With) 315.29 519.2 T
(the) 342.63 519.2 T
(increasing) 360.63 519.2 T
(amount) 413.28 519.2 T
(of) 452.61 519.2 T
(data) 465.95 519.2 T
(from) 489.27 519.2 T
(relatively) 515.93 519.2 T
(large) 45.35 505.2 T
(&) 72.72 505.2 T
(dense) 85.44 505.2 T
(temporary) 116.15 505.2 T
(networks) 168.85 505.2 T
(complementing) 216.23 505.2 T
(the) 294.27 505.2 T
(permanent) 312.32 505.2 T
(installations) 366.35 505.2 T
(it) 427.74 505.2 T
(becomes) 437.8 505.2 T
(important) 483.17 505.2 T
(to) 533.22 505.2 T
(de-) 545.93 505.2 T
(velop) 45.35 491.2 T
(means) 74.33 491.2 T
(to) 107.3 491.2 T
(evaluate) 118.95 491.2 T
(possible) 161.25 491.2 T
(defects) 202.9 491.2 T
(in) 239.19 491.2 T
(tomographic) 250.84 491.2 T
(results) 313.81 491.2 T
(due) 347.46 491.2 T
(to) 367.1 491.2 T
(inaccurate) 378.74 491.2 T
(ray) 430.37 491.2 T
(tracing.) 448 491.2 T
(A) 486.64 491.2 T
(very) 497.61 491.2 T
(intuitive) 521.25 491.2 T
(way) 45.35 477.2 T
(is) 68.32 477.2 T
(the) 79.3 477.2 T
(comparison) 96.93 477.2 T
(of) 155.9 477.2 T
(tomographic) 168.87 477.2 T
(inversions) 232.5 477.2 T
(using) 284.81 477.2 T
(two) 313.79 477.2 T
(totally) 334.76 477.2 T
(different) 368.4 477.2 T
(forward) 412.69 477.2 T
(solution) 453.65 477.2 T
(techniques.) 495.3 477.2 T
(A) 552.59 477.2 T
(3D) 45.35 463.2 T
(shooting) 62.76 463.2 T
(method) 106.83 463.2 T
(using) 145.57 463.2 T
(paraxial) 174.31 463.2 T
(rays) 215.7 463.2 T
(and) 238.43 463.2 T
(perturbation) 258.49 463.2 T
(theory) 319.89 463.2 T
(\050Virieux,) 353.28 463.2 T
(1991\051,) 399.67 463.2 T
(RKP,) 433.41 463.2 T
(was) 462.48 463.2 T
(therefore) 483.88 463.2 T
(imple-) 529.93 463.2 T
(mented.) 45.35 449.2 T
(To) 87.54 449.2 T
(enable) 104.73 449.2 T
(the) 139.91 449.2 T
(meaningful) 158.43 449.2 T
(comparison) 216.95 449.2 T
(between) 276.8 449.2 T
(tomographic) 320.65 449.2 T
(results,) 385.17 449.2 T
(great) 423.36 449.2 T
(care) 451.2 449.2 T
(was) 475.04 449.2 T
(taken) 497.56 449.2 T
(to) 527.41 449.2 T
(ade-) 540.61 449.2 T
(quately) 45.35 435.2 T
(parametrize) 86.18 435.2 T
(the) 148.32 435.2 T
(3D) 168.49 435.2 T
(velocity) 188.65 435.2 T
(model.) 232.81 435.2 T
(This) 271.31 435.2 T
(ensures) 298.15 435.2 T
(that) 339.63 435.2 T
(rays) 363.13 435.2 T
(are) 388.62 435.2 T
(really) 408.78 435.2 T
(computed) 441.6 435.2 T
(on) 494.43 435.2 T
(physically) 511.93 435.2 T
(\050seismically\051) 45.35 421.2 T
(equivalent) 110.96 421.2 T
(velocity) 164.57 421.2 T
(models,) 206.85 421.2 T
(although) 248.14 421.2 T
(each) 293.76 421.2 T
(ray) 319.36 421.2 T
(tracer) 338.3 421.2 T
(requires) 369.23 421.2 T
(a) 411.5 421.2 T
(specific) 420.45 421.2 T
(representation) 461.38 421.2 T
(of) 532.98 421.2 T
(the) 546.59 421.2 T
(velocity) 45.35 407.2 T
(field.) 88.75 407.2 T
(\050For) 118.49 407.2 T
(details) 143.89 407.2 T
(see) 179.96 407.2 T
(the) 200.02 407.2 T
(appended) 219.42 407.2 T
(excerpt) 270.14 407.2 T
(from) 310.19 407.2 T
(Haslinger,) 338.26 407.2 T
(1998.\051) 392.65 407.2 T
(Ideally) 428.38 407.2 T
(ART_PB) 466.44 407.2 T
(and) 515.85 407.2 T
(RKP) 537.92 407.2 T
(should,) 45.35 393.2 T
(therefore,) 83.01 393.2 T
(yield) 131.96 393.2 T
(identical) 158.61 393.2 T
(ray) 202.59 393.2 T
(paths) 220.56 393.2 T
(and) 248.54 393.2 T
(travel) 268.51 393.2 T
(times,) 298.48 393.2 T
(in) 330.14 393.2 T
(contrast) 342.12 393.2 T
(to) 382.76 393.2 T
(recent) 394.74 393.2 T
(work) 426.71 393.2 T
(where) 454.02 393.2 T
(the) 485.98 393.2 T
(physical) 503.29 393.2 T
(ve-) 545.93 393.2 T
(locity) 45.35 379.2 T
(field) 76.45 379.2 T
(depends) 102.21 379.2 T
(significantly) 145.3 379.2 T
(on) 209.07 379.2 T
(the) 224.83 379.2 T
(choosen) 243.26 379.2 T
(ray) 286.35 379.2 T
(tracer) 305.43 379.2 T
(\050e.g) 336.51 379.2 T
(Masson) 358.6 379.2 T
(&) 399.69 379.2 T
(Delouis,) 412.79 379.2 T
(1997;) 456.89 379.2 T
(Le) 487.99 379.2 T
(Meur) 504.41 379.2 T
(et) 534.17 379.2 T
(al.,) 546.59 379.2 T
(1997\051.) 45.35 365.2 T
(Here) 78.84 365.2 T
(it) 104.64 365.2 T
(should) 113.8 365.2 T
(be) 148.29 365.2 T
(noted) 162.11 365.2 T
(that) 191.26 365.2 T
(it) 211.75 365.2 T
(is) 220.91 365.2 T
(quite) 231.4 365.2 T
(impossible) 257.89 365.2 T
(to) 312.38 365.2 T
(decide) 324.2 365.2 T
(which) 358.01 365.2 T
(velocity) 389.83 365.2 T
(model) 430.98 365.2 T
(representation) 463.47 365.2 T
(better) 533.93 365.2 T
(resembles) 45.35 351.2 T
(the) 96.21 351.2 T
(real) 113.75 351.2 T
(earth) 134.6 351.2 T
(structure) 161.46 351.2 T
(in) 206.32 351.2 T
(the) 218.52 351.2 T
(study) 236.06 351.2 T
(volume,) 264.93 351.2 T
(and) 306.8 351.2 T
(that) 327 351.2 T
(one) 347.86 351.2 T
(of) 368.06 351.2 T
(the) 380.93 351.2 T
(main) 398.46 351.2 T
(objectives) 425.33 351.2 T
(in) 476.86 351.2 T
(analyzing) 489.07 351.2 T
(tom-) 538.59 351.2 T
(ographic results must be to take into account the specific filter used to image the earth\325s structure.) 45.35 337.2 T
45 467/G996772 FmPA
(RKP) 45.35 309.2 T
(ray) 71.62 309.2 T
(tracing) 89.87 309.2 T
(requires) 126.12 309.2 T
(that) 167.7 309.2 T
(velocities) 188.63 309.2 T
(are) 237.55 309.2 T
(defined) 255.13 309.2 T
(on) 294.05 309.2 T
(a) 308.98 309.2 T
(regular) 317.23 309.2 T
(even) 354.14 309.2 T
(grid) 379.73 309.2 T
(an) 401.98 309.2 T
(interpolated) 416.24 309.2 T
(in) 476.49 309.2 T
(between) 488.76 309.2 T
(by) 531.67 309.2 T
(3D) 546.59 309.2 T
45 453/G996777 FmPA
(cubic) 45.35 295.2 T
(b-splines.) 74.57 295.2 T
(For) 124.13 295.2 T
(ART_PB) 144.02 295.2 T
(the) 191.93 295.2 T
(velocity) 209.82 295.2 T
(model) 251.71 295.2 T
(is) 284.93 295.2 T
(defined) 296.16 295.2 T
(on) 335.37 295.2 T
(a) 350.6 295.2 T
(possibly) 359.15 295.2 T
(uneven) 402.39 295.2 T
(grid) 440.27 295.2 T
(and) 462.83 295.2 T
(linearly) 483.38 295.2 T
(interpo-) 523.27 295.2 T
(lated.) 45.35 281.2 T
(This) 74.7 281.2 T
(grid) 99.05 281.2 T
(is) 121.4 281.2 T
(also) 132.42 281.2 T
(the) 154.76 281.2 T
(velocity) 172.45 281.2 T
(model) 214.12 281.2 T
(used) 247.14 281.2 T
(in) 272.15 281.2 T
(the) 284.5 281.2 T
(inversion.) 302.18 281.2 T
(Details) 352.86 281.2 T
(of) 389.88 281.2 T
(how) 402.89 281.2 T
(to) 426.57 281.2 T
(ensure) 438.92 281.2 T
(the) 473.26 281.2 T
(equivalence) 490.93 281.2 T
(of) 551.26 281.2 T
(the) 45.35 267.2 T
(velocity) 62.88 267.2 T
(models) 104.4 267.2 T
(for) 141.93 267.2 T
(ray) 158.78 267.2 T
(tracing,) 176.96 267.2 T
(and) 216.15 267.2 T
(at) 236.33 267.2 T
(the) 247.86 267.2 T
(same) 265.38 267.2 T
(time) 292.9 267.2 T
(retaining) 317.09 267.2 T
(the) 362.61 267.2 T
(model) 380.14 267.2 T
(grid) 412.99 267.2 T
(for) 435.19 267.2 T
(the) 452.04 267.2 T
(inversion) 469.56 267.2 T
(are) 517.08 267.2 T
(given) 534.59 267.2 T
(in) 45.35 253.2 T
(Haslinger) 58.05 253.2 T
(\0501998\051) 108.06 253.2 T
(\050see) 143.41 253.2 T
(appendix\051.) 166.09 253.2 T
(Basically) 220.43 253.2 T
(the) 268.45 253.2 T
(original) 286.47 253.2 T
(Simulps) 327.16 253.2 T
(ART_PB) 369.87 253.2 T
(velocity) 417.9 253.2 T
(model) 459.92 253.2 T
(representation) 493.28 253.2 T
(is) 45.35 239.2 T
(used) 56.02 239.2 T
(to) 80.68 239.2 T
(define) 92.69 239.2 T
(the) 125.34 239.2 T
(model.) 142.67 239.2 T
(If) 178.33 239.2 T
(using) 188.99 239.2 T
(RKP) 217.66 239.2 T
(ray) 243.66 239.2 T
(tracing,) 261.65 239.2 T
(this) 300.64 239.2 T
(grid) 320.65 239.2 T
(is) 342.65 239.2 T
(linearly) 353.32 239.2 T
(interpolated) 392.64 239.2 T
(down) 452.63 239.2 T
(to) 481.96 239.2 T
(a) 493.96 239.2 T
(regular) 501.95 239.2 T
(even) 538.6 239.2 T
(grid.) 45.35 225.2 T
(In) 70.88 225.2 T
(order) 84.07 225.2 T
(to) 112.58 225.2 T
(correctly) 125.11 225.2 T
(represent) 170.96 225.2 T
(the) 218.13 225.2 T
(linear) 235.99 225.2 T
(velocity) 266.51 225.2 T
(gradients) 308.36 225.2 T
(this) 355.55 225.2 T
(grid) 376.08 225.2 T
(should) 398.61 225.2 T
(be) 433.81 225.2 T
(finer) 448.33 225.2 T
(by) 474.18 225.2 T
(a) 489.37 225.2 T
(factor) 497.89 225.2 T
(of) 529.07 225.2 T
(3-5.) 542.26 225.2 T
(This fine grid then represents the control points for the cubic b-spline interpolation.) 45.35 211.2 T
45 341/G996779 FmPA
1 F
(Specialities of RKP ray tracing) 45.35 183.2 T
45 327/G996794 FmPA
2 F
(Shooting) 45.35 169.2 T
45 313/G996796 FmPA
0 F
(RKP) 45.35 155.2 T
(ray) 71.63 155.2 T
(tracing) 89.89 155.2 T
(is) 126.16 155.2 T
(a) 137.1 155.2 T
(shooting) 145.36 155.2 T
(method,) 189.64 155.2 T
(and) 231.58 155.2 T
(therefore) 251.84 155.2 T
(initial) 298.09 155.2 T
(take-off) 329.04 155.2 T
(angles) 369.95 155.2 T
(\050azimuth) 403.55 155.2 T
(tet) 449.15 155.2 T
(and) 464.09 155.2 T
(vertical) 484.35 155.2 T
(take-off) 523.28 155.2 T
45 299/G996799 FmPA
(angle) 45.35 141.2 T
(phi\051) 74.46 141.2 T
(must) 96.91 141.2 T
(be) 123.37 141.2 T
(calculated.) 137.81 141.2 T
(This) 192.58 141.2 T
(is) 217.03 141.2 T
(done) 228.15 141.2 T
(using) 254.59 141.2 T
(ART_PB) 283.71 141.2 T
(ray) 331.51 141.2 T
(tracing) 349.95 141.2 T
(on) 386.39 141.2 T
(the) 401.5 141.2 T
(first) 419.28 141.2 T
(occurrence) 441.73 141.2 T
(of) 497.48 141.2 T
(a) 510.59 141.2 T
(ray) 519.04 141.2 T
(to) 537.48 141.2 T
(be) 549.93 141.2 T
(calculated.) 45.35 127.2 T
(For) 99.57 127.2 T
(very) 118.81 127.2 T
(heterogeneous) 142.71 127.2 T
(velocity) 214.59 127.2 T
(models) 255.83 127.2 T
(and/or) 293.07 127.2 T
(specific) 326.3 127.2 T
(geometries,) 366.19 127.2 T
(ray) 424.42 127.2 T
(shooting) 442.31 127.2 T
(may) 486.22 127.2 T
(not) 509.46 127.2 T
(be) 527.37 127.2 T
(suc-) 541.27 127.2 T
(cessful.) 45.35 113.2 T
(A) 84.13 113.2 T
(warning) 95.25 113.2 T
(message) 137.03 113.2 T
(is) 180.15 113.2 T
(then) 190.6 113.2 T
(written) 213.72 113.2 T
(to) 250.18 113.2 T
(file) 261.97 113.2 T
(\324rkpfail\325) 280.42 113.2 T
(and) 322.86 113.2 T
(ART_PB) 342.64 113.2 T
(ray) 389.77 113.2 T
(tracing) 407.55 113.2 T
(is) 443.33 113.2 T
(again) 453.79 113.2 T
(used) 482.24 113.2 T
(for) 506.69 113.2 T
(this) 523.14 113.2 T
(ray.) 542.93 113.2 T
(For) 45.35 99.2 T
(any) 65.3 99.2 T
(subsequent) 85.9 99.2 T
(ray) 142.51 99.2 T
(tracing) 161.11 99.2 T
(again) 197.71 99.2 T
(RKP) 226.98 99.2 T
(is) 253.6 99.2 T
(used.) 264.88 99.2 T
(Shooting) 293.15 99.2 T
(failure) 339.77 99.2 T
(may) 374.37 99.2 T
(be) 398.31 99.2 T
(caused) 412.91 99.2 T
(by) 448.84 99.2 T
(two) 464.12 99.2 T
(reasons:) 485.39 99.2 T
(the) 527.99 99.2 T
(ray) 545.93 99.2 T
(somewhere) 45.35 85.2 T
(intercepts) 103.39 85.2 T
(the) 153.43 85.2 T
(model) 171.48 85.2 T
(boundary) 204.87 85.2 T
(during) 253.58 85.2 T
(the) 288.3 85.2 T
(ray) 306.35 85.2 T
(adjustment) 325.06 85.2 T
(phase;) 381.11 85.2 T
(or) 415.16 85.2 T
(the) 428.55 85.2 T
(specific) 446.6 85.2 T
(source-receiver) 487.3 85.2 T
(geometry) 45.35 71.2 T
(leads) 94.03 71.2 T
(to) 122.04 71.2 T
(instabilities) 134.73 71.2 T
(due) 193.42 71.2 T
(to) 214.1 71.2 T
(the) 226.79 71.2 T
(presence) 244.81 71.2 T
(of) 290.13 71.2 T
(caustics) 303.4