char = C;code = 67 char = o;code = 111 char = m;code = 109 char = p;code = 112 char = a;code = 97 char = r;code = 114 char = i;code = 105 char = s;code = 115 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = m;code = 109 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = u;code = 117 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = m;code = 109 char = o;code = 111 char = d;code = 100 char = e;code = 101 char = l;code = 108 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = e;code = 101 char = m;code = 109 char = p;code = 112 char = o;code = 111 char = r;code = 114 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = h;code = 104 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = s;code = 115 char = o;code = 111 char = u;code = 117 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = n;code = 110 char = e;code = 101 char = a;code = 97 char = r;code = 114 char = ;code = 32 char = 7;code = 55 char = 5;code = 53 char = ;code = 32 char = H;code = 72 char = z;code = 122 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = 3;code = 51 char = 6;code = 54 char = 8;code = 56 char = 3;code = 51 char = ;code = 32 char = k;code = 107 char = m;code = 109 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = P;code = 80 char = a;code = 97 char = c;code = 99 char = i;code = 105 char = f;code = 102 char = i;code = 105 char = c;code = 99 char = ;code = 32 char = O;code = 79 char = c;code = 99 char = e;code = 101 char = a;code = 97 char = n;code = 110 char = .;code = 46 result sql = Comparison of measured and modeled temporal coherence of sound near 75 Hz and 3683 km in the Pacific Ocean.
Comparison of measured and modeled temporal coherence of sound near 75 Hz and 3683 km in the Pacific Ocean.char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = h;code = 104 char = y;code = 121 char = p;code = 112 char = o;code = 111 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = t;code = 116 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = g;code = 103 char = r;code = 114 char = a;code = 97 char = v;code = 118 char = i;code = 105 char = t;code = 116 char = y;code = 121 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = v;code = 118 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = l;code = 108 char = l;code = 108 char = o;code = 111 char = w;code = 119 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = G;code = 71 char = a;code = 97 char = r;code = 114 char = r;code = 114 char = e;code = 101 char = t;code = 116 char = t;code = 116 char = -;code = 45 char = M;code = 77 char = u;code = 117 char = n;code = 110 char = k;code = 107 char = ;code = 32 char = s;code = 115 char = p;code = 112 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = r;code = 114 char = u;code = 117 char = m;code = 109 char = ;code = 32 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = f;code = 102 char = f;code = 102 char = i;code = 105 char = c;code = 99 char = i;code = 105 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = e;code = 101 char = x;code = 120 char = p;code = 112 char = l;code = 108 char = a;code = 97 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = e;code = 101 char = m;code = 109 char = p;code = 112 char = o;code = 111 char = r;code = 114 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = h;code = 104 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = s;code = 115 char = o;code = 111 char = u;code = 117 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = 3;code = 51 char = 6;code = 54 char = 8;code = 56 char = 3;code = 51 char = ;code = 32 char = k;code = 107 char = m;code = 109 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = P;code = 80 char = a;code = 97 char = c;code = 99 char = i;code = 105 char = f;code = 102 char = i;code = 105 char = c;code = 99 char = ;code = 32 char = O;code = 79 char = c;code = 99 char = e;code = 101 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = s;code = 115 char = i;code = 105 char = g;code = 103 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = 7;code = 55 char = 5;code = 53 char = ;code = 32 char = H;code = 72 char = z;code = 122 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = p;code = 112 char = u;code = 117 char = l;code = 108 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = o;code = 111 char = l;code = 108 char = u;code = 117 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = 0;code = 48 char = .;code = 46 char = 0;code = 48 char = 3;code = 51 char = ;code = 32 char = s;code = 115 char = .;code = 46 char = ;code = 32 char = S;code = 83 char = i;code = 105 char = g;code = 103 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = s;code = 115 char = ;code = 32 char = f;code = 102 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = 2;code = 50 char = 0;code = 48 char = ;code = 32 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = n;code = 110 char = s;code = 115 char = m;code = 109 char = i;code = 105 char = s;code = 115 char = s;code = 115 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = l;code = 108 char = l;code = 108 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = w;code = 119 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = a;code = 97 char = r;code = 114 char = r;code = 114 char = a;code = 97 char = y;code = 121 char = .;code = 46 char = ;code = 32 char = A;code = 65 char = f;code = 102 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = r;code = 114 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = d;code = 100 char = a;code = 97 char = t;code = 116 char = a;code = 97 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = w;code = 119 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = l;code = 108 char = i;code = 105 char = k;code = 107 char = e;code = 101 char = l;code = 108 char = y;code = 121 char = ;code = 32 char = a;code = 97 char = p;code = 112 char = p;code = 112 char = e;code = 101 char = a;code = 97 char = r;code = 114 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = c;code = 99 char = c;code = 99 char = e;code = 101 char = l;code = 108 char = e;code = 101 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = e;code = 101 char = i;code = 105 char = v;code = 118 char = e;code = 101 char = r;code = 114 char = ,;code = 44 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = b;code = 98 char = a;code = 97 char = b;code = 98 char = i;code = 105 char = l;code = 108 char = i;code = 105 char = t;code = 116 char = y;code = 121 char = ;code = 32 char = d;code = 100 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = b;code = 98 char = u;code = 117 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = m;code = 109 char = u;code = 117 char = l;code = 108 char = t;code = 116 char = i;code = 105 char = p;code = 112 char = a;code = 97 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = h;code = 104 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = i;code = 105 char = m;code = 109 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = v;code = 118 char = e;code = 101 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = s;code = 115 char = i;code = 105 char = m;code = 109 char = i;code = 105 char = l;code = 108 char = a;code = 97 char = r;code = 114 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = o;code = 111 char = b;code = 98 char = t;code = 116 char = a;code = 97 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = f;code = 102 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = ;code = 32 char = M;code = 77 char = o;code = 111 char = n;code = 110 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = C;code = 67 char = a;code = 97 char = r;code = 114 char = l;code = 108 char = o;code = 111 char = ;code = 32 char = s;code = 115 char = i;code = 105 char = m;code = 109 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = m;code = 109 char = p;code = 112 char = u;code = 117 char = l;code = 108 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = p;code = 112 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = e;code = 101 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = m;code = 109 char = o;code = 111 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = l;code = 108 char = i;code = 105 char = k;code = 107 char = e;code = 101 char = l;code = 108 char = y;code = 121 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = h;code = 104 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = i;code = 105 char = m;code = 109 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = 2;code = 50 char = 0;code = 48 char = ;code = 32 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = ,;code = 44 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = l;code = 108 char = o;code = 111 char = n;code = 110 char = g;code = 103 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = ;code = 32 char = m;code = 109 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = u;code = 117 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = 2;code = 50 char = 0;code = 48 char = ;code = 32 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = n;code = 110 char = s;code = 115 char = m;code = 109 char = i;code = 105 char = s;code = 115 char = s;code = 115 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = .;code = 46 char = ;code = 32 char = P;code = 80 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = i;code = 105 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = m;code = 109 char = u;code = 117 char = l;code = 108 char = t;code = 116 char = i;code = 105 char = p;code = 112 char = a;code = 97 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = t;code = 116 char = e;code = 101 char = m;code = 109 char = p;code = 112 char = o;code = 111 char = r;code = 114 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = h;code = 104 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = a;code = 97 char = m;code = 109 char = p;code = 112 char = l;code = 108 char = i;code = 105 char = t;code = 116 char = u;code = 117 char = d;code = 100 char = e;code = 101 char = ;code = 32 char = f;code = 102 char = l;code = 108 char = u;code = 117 char = c;code = 99 char = t;code = 116 char = u;code = 117 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = p;code = 112 char = p;code = 112 char = e;code = 101 char = a;code = 97 char = r;code = 114 char = ;code = 32 char = a;code = 97 char = c;code = 99 char = c;code = 99 char = u;code = 117 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = e;code = 101 char = n;code = 110 char = o;code = 111 char = u;code = 117 char = g;code = 103 char = h;code = 104 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = m;code = 109 char = a;code = 97 char = k;code = 107 char = e;code = 101 char = ;code = 32 char = u;code = 117 char = s;code = 115 char = e;code = 101 char = f;code = 102 char = u;code = 117 char = l;code = 108 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = i;code = 105 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = c;code = 99 char = h;code = 104 char = a;code = 97 char = n;code = 110 char = n;code = 110 char = e;code = 101 char = l;code = 108 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = p;code = 112 char = a;code = 97 char = c;code = 99 char = i;code = 105 char = t;code = 116 char = y;code = 121 char = .;code = 46 char = <;code = 60 char = b;code = 98 char = r;code = 114 char = /;code = 47 char = >;code = 62 result sql = The hypothesis to test is internal gravity waves following a Garrett-Munk spectrum are sufficient to explain temporal coherence of sound at 3683 km in the Pacific Ocean for a signal at 75 Hz and a pulse resolution of 0.03 s. Signals from a 20 min transmission are collected on a towed array. After correcting the data for what likely appears to be acceleration of the receiver, the probability distribution for multipath coherence time is very similar to that obtained from Monte Carlo simulations of the impulse response. The most likely coherence time is 20 min, the longest that can be measured with a 20 min transmission. Predictions of multipath temporal coherence and amplitude fluctuations appear accurate enough to make useful predictions of channel capacity.
Publication: J. Acoust. Soc. Am. 2008 Nov ;124(5)::2805-11. :doi: 10.1121/1.2977676.
Publication Date: 2008 Nov
Study Author(s): Spiesberger, John L;
Institution: Department of Earth and Environmental Science, 240 S. 33rd Street, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6316, USA.
Shortcut link to this study:
The hypothesis to test is internal gravity waves following a Garrett-Munk spectrum are sufficient to explain temporal coherence of sound at 3683 km in the Pacific Ocean for a signal at 75 Hz and a pulse resolution of 0.03 s. Signals from a 20 min transmission are collected on a towed array. After correcting the data for what likely appears to be acceleration of the receiver, the probability distribution for multipath coherence time is very similar to that obtained from Monte Carlo simulations of the impulse response. The most likely coherence time is 20 min, the longest that can be measured with a 20 min transmission. Predictions of multipath temporal coherence and amplitude fluctuations appear accurate enough to make useful predictions of channel capacity.
PMID: 19045768