Giáo trình phân tích các trạm lặp kế hoạch hai tần số cho kênh RF song công p10

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Nội dung Text: Giáo trình phân tích các trạm lặp kế hoạch hai tần số cho kênh RF song công p10

. luaän aùn toát nghieäp Thieát Keá Tuyeán Viba Soá void free_space_lose()//ton that tuyen cua khong gian tu do { Ao = 92.5 + 20*log10(f) + 20*log10(d); printf("Ton that duong truyen cua khong gian tu do la: %.3lf dB", Ao); } void feeder_lose() //ton that feeder { double lf1,lf2,feeder_type; printf("Cho biet loai feeder su dung: \n"); printf("1. RG-59/U\n"); printf("2. RG-11/U\n"); printf("3. RG-24/U\n"); printf("4. RG-58/U\n"); switch(getch()) { case '1' : feeder_type = 3.4; break; case '2' : feeder_type = 2.5; break; case '3' : feeder_type = 2; break; case '4' : feeder_type = 7.8; break; default : feeder_type =3.4; } printf("\nCho biet do cao anten tai tram A (m): "); scanf("%lf",&h1); printf("Cho biet do cao anten tai tram B (m): "); scanf("%lf",&h2); lf1 = 1.5*h1; lf2 = 1.5*h2; loseA = lf1*3.28*feeder_type/100; loseB = lf2*3.28*feeder_type/100; feeder = loseA + loseB; printf("Ton that feeder tai tram A: %.3lf dB \n", loseA); printf("Ton that feeder tai tram B: %.3lf dB \n", loseB); printf("Ton that feeder: %.3lf dB\n", feeder); } void vatchan() //ton hao cua bo suy hao hoac cac vat chanx { double d1[100],d2[100], hc[100],V[100],c,tmp; int i, vc; printf("Co bao nhieu vat chan: "); scanf("%d",&vc); for(i=0; i
. luaän aùn toát nghieäp Thieát Keá Tuyeán Viba Soá printf("Cho biet khoang cach tu tram A den vat chan thu %d: ",i+1); scanf("%lf", &tmp); d1[i] =tmp; printf("Cho biet khoang cach tu tram B den vat chan thu %d: ",i+1); scanf("%lf",&tmp); d2[i]=tmp; printf("Cho biet do cao vat chan %d:",i+1); scanf("%lf",&tmp); hc[i] =tmp; } c = 3*pow(10,8); lamda = c/(f*pow(10,9)); for(i=0;i
. luaän aùn toát nghieäp Thieát Keá Tuyeán Viba Soá printf("1. Ton that duong truyen cua khong gian tu do\n"); printf("2. Ton that feeder\n"); printf("3. Ton hao cua bo suy hao hoac cac vat chan\n"); printf("4. Ton hao khi quyen \n"); printf("5. Tong ton hao \n"); printf("s. Exit\n"); printf("Select: \n"); switch( getch()) { case '1' : free_space_lose(); break; case '2' : feeder_lose(); break; case '3' : vatchan(); break; case '4' : khiquyen();break; case '5' : total();break; } if(getche() == '6') break ; } } void gain() //do loi { double D,n; clrscr(); printf("\t\tTinh Toan Do Loi\n"); printf("Cho biet cong suat may phat(dBm): "); scanf("%lf",&pt); printf("Cho biet duong kinh anten (m): "); scanf("%lf",&D); printf("Cho biet goc mo hieu dung: "); scanf("%lf",&n); printf("Cho biet nguong thu ung voi BER = 10^ -3 (dB): "); scanf("%lf",&RXa); printf("Cho biet nguong thu ung voi BER = 10^ -6 (dB): "); scanf("%lf",&RXb); G = 20 * log10(D) - 20*log10(lamda) + 10 * log10(n) + 9.943; G1 = pt; Gt = 2*G + G1 ; A1 = A - Gt; pr = pt -A1; FMa = pr -RXa; FMb = pr - RXb; clrscr(); printf("\n"); printf("Do loi cua anten: %.3lf dB\n",G); printf("Do loi may phat: %.3lf dB\n",G1); printf("Tong do loi: %.3lf dB\n", Gt); printf("Tong ton hao: %.3lf dB\n", A1); 110
. Thieát Keá Tuyeán Viba Soá luaän aùn toát nghieäp printf("Muc dau vao cua may thu: %.3lf dBm \n", pr); printf("Do du tru fading phang FMa: %.3lf dB,voi BER = 10^-3\n", FMa); printf("Do du tru fading phang FMb: %.3lf dB,voi BER = 10^-6\n", FMb); getch(); } void fading() //gom xac suat fading nhiue t ia, xs tai cac nguong, thoi gian fading { double a,c, alpha,beta,c2; double gamma,M,nuy,K,t; clrscr(); printf("Cho biet he so cai tien dac trung cho dia hinh a (0.25 - 4): "); scanf("%lf",&a); printf("Cho biet he so dia hinh C: \n"); printf(" 1. 1 cho dia hinh trung binh co khi hau on doi\n"); printf(" 2. 4 cho dia hinh tren mat nuoc bo bien hay khi hau am uot\n"); printf(" 3. 0.25 cho dia hinh mien nui va khi hau kho\n"); switch (getch()) { case '1' : c = 1;printf("C=1"); break; case '2' : c = 4;printf("C=4"); break; case '3' : c = 0.25;printf("C=0.25"); break; default : c=1; } printf("\nCho biet alpha2: "); scanf("%lf",&alpha); printf("Cho biet beta2: "); scanf("%lf",&beta); printf("Cho biet c2: "); scanf("%lf",&c2); printf("Cho biet toc do bit cuc dai gama b (MBit/s): ");scanf("%lf",&gamma); printf("Cho biet so muc trong so do dieu che M : "); scanf("%lf",&M); printf("Cho biet dang dieu che :\n"); printf("1. QAM 64\n"); printf("2. QAM 16\n"); printf("3. PSK 8\n"); printf("4. PSK 4\n"); switch( getch()) { case '1' : printf("Ban chon QAM 64\n"); K = 15.4; break; case '2' : printf("Ban chon QAM 16\n");K = 5.5; break; case '3' : printf("Ban chon PSK 8\n");K = 7; break; 111
. Thieát Keá Tuyeán Viba Soá luaän aùn toát nghieäp case '4' : printf("Ban chon PSK 4\n");K = 1; break; default : printf("Ban chon khong dung! \nMac nhieu la QAM 64!");K = 15.4; } clrscr(); po=0.3*a*c*(f/4)*pow( (d/50),3); pa = pow(10,(-FMa/10)); pb = pow(10,(-FMb/10)); Ta = c2*pow(10,( (-alpha)* FMa)/10)*pow(f,beta); Tb = c2*pow(10,( (-alpha)* FMb)/10)*pow(f,beta); Za = 0.548*log(10/Ta); Zb = 0.548*log(10/Tb); Za = arround(Za); Zb = arround(Zb); if(Za>mem || Zb>mem) { printf("So lieu ngoai bang tra!"); delay(500); exit(1);} p10 = 0.5*erfc_fun(Za); p60 = 0.5*erfc_fun(Zb); if(po>10) nuy =1; if(0.1
. luaän aùn toát nghieäp Thieát Keá Tuyeán Viba Soá printf("\nThoi gian gian doan thong tin do fading: %.8lf %",giandoan); printf("\nTong gian doan thong tin trong BER > 10^-3: %.8lf %",tong_giandoan); printf("\nXac suat BER > 10^-6 do fading lua chon: %.8lf",9.82*giandoan); printf("\nTong BER > 10^-6: %.8lf", 9.828*giandoan + po*pb); getch(); } void khadung() { double MTTR,MTBF,tong; printf("Cho biet MTTR: "); scanf("%lf",&MTTR); printf("Cho biet MTBF: "); scanf("%lf",&MTBF); khongkhadung =100*(MTTR/(MTBF+MTTR)); tong = 100* po*pa*p10 + 100*p10*giandoan +khongkhadung; printf("Do khong kha dung la: %.3lf %\n",khongkhadung); printf("Do khong su dung duoc do fading phang nhieu tia: %.3lf %\n",100*po*pa*p10); printf("Do khong su dung duoc do fading nhieu tia lua chon: %.3lf %\n",100*p10*giandoan); printf("Tong do khong su dung duoc la: %.3lf%",tong); getch(); } int menu() { clrscr(); printf("\n\nTINH CAC THONG SO TON HAO DUONG TRUYEN\n"); printf("1. Ton that tuyen \n"); printf("2. Do loi\n"); printf("3. Cac hieu ung fading phang \n"); printf("4. tinh toan kha nang su dung\n"); printf("5. Exit\n"); printf("Select:\n"); switch(getch()) { case '1' : line_lose(); return 1; case '2' : gain(); return 1; case '3' : fading(); return 1; case '4' : khadung(); return 1; case '5' : return 0; default : return 1; 113
. luaän aùn toát nghieäp Thieát Keá Tuyeán Viba Soá } } void main() { int k; textcolor(BLUE); textbackground(WHITE); clrscr(); printf("\t\tCHUONG TRINH TINH TOAN CAC THONG SO DUONG TRUYEN"); nhap_bien(); while(1) { k= menu(); if(k==0) break; } } 114
. luaän aùn toát nghieäp Thieát Keá Tuyeán Viba Soá VIBA.H #include #include #include double erfd[260]={0.000,0.005,0.010,0.015,0.020,0.025 ,0.030,0.035,0.040,0.045,0.050,0.055,0.060,0.065,0 .070,0.075,0.080,0.085,0.090,0.095,0.100,0.105,0.1 10,0.115,0.120,0.125,0.130,0.135,0.140,0.145,0.150 ,0.155,0.160,0.165,0.170,0.175,0.180,0.185,0.190,0 .195,0.200,0.205,0.210,0.215,0.220,0.225,0.230,0.2 35,0.240,0.245,0.250,0.255,0.260,0.265,0.270,0.275 ,0.280,0.285,0.290,0.295,0.300,0.305,0.310,0.315,0 .320,0.325,0.330,0.335,0.340,0.345,0.350,0.355,0.3 60,0.365,0.370,0.375,0.380,0.385,0.390,0.395,0.400 ,0.405,0.410,0.415,0.420,0.425,0.430,0.435,0.440,0 .445,0.450,0.455,0.460,0.465,0.470,0.475,0.480,0.4 85,0.490,0.495,0.500,0.505,0.510,0.515,0.520,0.525 ,0.530,0.535,0.540,0.545,0.550,0.555,0.560,0.565,0 .570,0.575,0.580,0.585,0.590,0.595,0.600,0.605,0.6 10,0.615,0.620,0.625,0.630,0.635,0.640,0.645,0.650 ,0.655,0.660,0.665,0.670,0.675,0.680,0.685,0.690,0 .695,0.700,0.705,0.710,0.715,0.720,0.725,0.730,0.7 35,0.740,0.745,0.750,0.755,0.760,0.765,0.770,0.775 ,0.780,0.785,0.790,0.795,0.800,0.805,0.810,0.815,0 .820,0.825,0.830,0.835,0.840,0.845,0.850,0.855,0.8 60,0.865,0.870,0.875,0.880,0.885,0.890,0.895,0.900 ,0.905,0.910,0.915,0.920,0.925,0.930,0.935,0.940,0 .945,0.950,0.955,0.960,0.965,0.970,0.975,0.980,0.9 85,0.990,0.995,1.000,1.050,1.100,1.150,1.200,1.250 ,1.300,1.350,1.400,1.450,1.500,1.550,1.600,1.650,1 .700,1.750,1.800,1.850,1.900,1.950,2.000,2.050,2.1 00,2.150,2.200,2.250,2.300,2.350,2.400,2.450,2.500 ,2.550,2.600,2.650,2.700,2.750,2.800,2 .850,2.900,2 .950,3.000,3.050,3.100,3.150,3.200,3.250,3.300,3.3 50,3.400,3.450,3.500,3.550,3.600,3.650,3.700,3.750 ,3.800,3.850,3.900,3.950,}; double erfdr[260]= {1.000000,0.994358,0.988717,0.983076,0.977435, 0.971976,0.961590,0.960523,0.954889,0.949257, 0.943628,0.938002,0.932378,0.926759,0.921142, 0.915530,0.909922,0.904318,0.898719,0.893126, 0.887537,0.881954,0.876377,0.870806,0.965242, 0.859684,0.854133,0.848589,0.843053,0.837524, 0.832004,0.826492,0.820988,0.815493,0.810008, 0.804531,0.799064,0.793607,0.788160,0.782723, 0.777297,0.771882,0.766478,0.761085,0.755704, 0.750335,0.744977,0.739632,0.734300,0.728980, 115
. luaän aùn toát nghieäp Thieát Keá Tuyeán Viba Soá 0.723674,0.718380,0.713100,0.707834,0.702582, 0.697344,0.692120,0.686911,0.681717,0.676537, 0.671730,0.666225,0.661092,0.655975,0.650874, 0.645789,0.640721,0.635670,0.630635,0.625618, 0.615635,0.610607,0.605723,0.600794,0.595883, 0.590990,0.586117,0.581261,0.576425,0.571608, 0.566810,0.562031,0.557272,0.552532,0.547813, 0.543113,0.538434,0.533773,0.529136,0.524518, 0.519921,.510789,0.506255,0.501742,0.479250, 0.492780,0.488332,0.483905,0.479500,0.475117, 0.470756,0.466418,0.462101,0.475807,0.453536, 0.449287,0.445061,0.440857,0.436677,0.432519, 0.428384,0.424273,0.420184,0.411619,0.412077, 0.408059,0.404063,0.400092,0.396144,0.392220, 0.388319,0.384442,0.380589,0.376759,0.372954, 0.369172,0.635414,0.361680,0.357971,0.354285, 0.350623,0.346986,0.343372,0.339783,0.336248, 0.332677,0.329600,0.325667,0.332199,0.318755, 0.315334,0.311939,0.308567,0.305219,0.315896, 0.298597,0.295322,0.292071,0.288844,0.285 642, 0.282463,0.279309,0.276178,0.273072,0.269990, 0.266931,0.263897,0.260886,0.257899,0.254936, 0.251996,0.249081,0.246189,0.243321,0.240476, 0.237655,0.234857,0.232083,0.229332,0.226604, 0.223900,0.221218,0.218560,0.215925,0.213313, 0.210723,0.208157,0.205613,0.203092,0.200593, 0.198117,0.195664,0.193232,0.190823,0.188436, 0.186072,0.183729,0.181408,0.179109,0.176832, 0.174576,0.172342,0.179130,0.167938,0.165768, 0.163620,0.161492,0.159385,0.157299,0.137564, 0.119795,0.103876,0.089686,0.077100,0.065992, 0.56238,0.047715,0.040305,0.033895,0.028377, 0.023652,0.019624,0.016210,0.013328,0.010901, 0.0088889,0.0072096,0.0058207,0.0046778,0.0037419, 0.0029795,0.0023614,0.0018629,0.0014627, 0.0011432,0.00088929,0.00068853,0.00053060,0.00040 697,0.00031068,0.00023605,0.00017850,0.00013434,0. 00010062,0.000075017,0.000055658,0.000041100,0.000 030205,0.000022092,0.000016081,0.00000011649,0.000 0083987,0.0000060247,0.0000043040,0.0000030593,0.0 000021637,0.0000015200,0.0000010673,0.0000007437,0 .0000005163,0.0000003563,0.0000002433,0.0000001683 ,0.0000001137,0.000000076,0.0000000527,0.000000035 3,0.0000000227}; 116
. Thieát Keá Tuyeán Viba Soá luaän aùn toát nghieäp KEÁT LUAÄN  Qua 9 tuaàn laøm luaän aùn, ñaây laø thôøi gia töông ñoái ngaén nhöng nhoùm thöïc hieän ñaõ heát söùc coá gaéng ñeå coù theå thu thaäp nhöõng thoâng tin vaø caùc vaán ñeà lieân quan ñeán luaän aùn vaø cuoái cuøng ñaõ hoaøn thaønh ñuùng thôøi gian quy ñònh.  Cuõng qua luaän aùn nhoùm thöïc hieän ñaõ hoïc hoûi ñöôïc nhieàu kieán thöùc vaø kinh nghieäm quyù baùu veà ngeà nghieäp cuûa mình trong töông lai. Hieåu roõ nhöõng khoù khaên caàn phaûi giaûi quyeát khi baét tay vaøo nghieân cöùu moät lónh vöïc khoa hoïc môùi, caàn phaûi boá trí thôøi gian moät caùch hôïp lyù khoa hoïc thì môùi coù theå hoaøn thaønh.  Noäi dung ñeà taøi chia laøm 3 phaàn chính: Phaàn I: Lyù thuyeát thieát keá tuyeán. Goàm 9 böôùc cô baûn. Ñaây laø phaàn lyù thuyeát neàn taûng khi thieát keá moät tuyeán Viba soá. Noù laø moät trong nhöõng cô sôû ñeå xaây döïng moät heä thoáng theo yeâu caàu. Treân cô sôû ñoù ta coù theå thaáy ñöôïc phaåm chaát vaø ñoä tin caäy cuûa heä thoáng thieát keá coù ñaït yeâu caàu ñaët ra hay khoâng. Phaàn II: Thieát keá vaø tính toaùn t uyeán truyeàn daãn Viba soá thöïc teá. AÙp duïng caùc böôùc ôû phaàn II,thieát keá vaû tính toaùn cho moät tuyeán cuï theå. Trong quaù trình tính toaùn caùc thoâng soá cuûa ñöôøng truyeàn, em coøn gaëp moät soá khoù khaên ñoù laø vieäc nghieân cöùu veà ñòa hình cuõng nhö tính chaát cuûa ñaát taïi caùc traïm … (do ñoù khoâng tìm ñöôïc caùc thoâng soá moät caùch chính xaùc maø chæ coù tính töông ñoáùi).  Qua nghieân cöùu em nhaän thaáy raèng coâng vieäc tính toaùn caùc thoâng soá cuûa ñöôøng truyeàn khaù phöùc taïp vôùi nhöõng coâng thöùc khaù daøi coù lieân quan vôùi nhau neân deã bò sai soùt neáu ngöôøi thöïc hieän khoâng quen vaø caån thaän. Chính vì lí do treân neân em söû duïng ngoân ngöõ C ñeã hoã trôï cho vieäc tính toaùn, giuùp ngöôùi thieát keá coù theå an taâm nhaäp caùc thoâng soá caàn thieát laøm giaûm ñi raát nhieàu caùc coâng vieäc tính toaùn phöùc taïp vaø ít sai soá.  Ñaây laø ñeà taøi khaù môùi meû ñoái vôùi em. Do thôøi gian vaø ñieàu kieän coøn haïn cheá vôùi moät khoái löôïng coâng vieäc khaù lôùn. Vì theá nhöõng sai soùt laø ñieàu khoâng theå traùnh khoûi.  Trong ñeà taøi naøy tuyeáu thieát keá chæ laø moät daïng cô baûn cuûa heä thoáng Viba chuyeån tieáp maø thoâi. Heä thoáng khoâng söû duïng traïm laäp chöa mang tính chaát quoác teá. Chính vì vaäy ñeà taøi naøy coøn coù theå ñöôïc phaùt trieån theâm neáu coù ñieàu kieän.  Raát mong ñöôïc tieáp tuïc nghieân cöùu aùp duïng thieát keá cho nhöõng heä thoáng coù qui moâ lôùn.  Moät laàn nöõa em chaân thaønh caûm ôn Quí Thaày , Coâ vaø söï höôùng daãn nhieät tình cuûa Thaày NGUYEÃN HUY HUØNG, cuøng taát caû caùc baïn ñaõ giuùp em hoaøn thaønh luaän aùn naøy. 117
. Thieát Keá Tuyeán Viba Soá luaän aùn toát nghieäp PHUÏ LUÏC Caùc giaù trò haøm loãi buø erfc(t) t erfc(t) t Erfc(t) t erfc(t) t erfc(t) 0.000 1.000000 0.005 0.994358 0.010 0.988717 0.015 0.983076 0.020 0.977435 0.025 0.971976 0.030 0.961590 0.035 0.960523 0.040 0.9548889 0.045 0.949257 0.050 0.943628 0.055 0.938002 0.060 0.932378 0.065 0.926759 0.070 0.921142 0.075 0.915530 0.080 0.909922 0.085 0.904318 0.090 0.898719 0.095 0.893126 0.100 0.887537 0.105 0.881954 0.110 0.876377 0.115 0.870806 0.120 0.865242 0.125 0.859684 0.130 0.8541330 0.135 0.848589 0.140 0.843053 0.145 0.837524 0.150 0.832004 0.155 0.826492 0.160 0.820988 0.165 0.815493 0.170 0.810008 0.175 0.804531 0.180 0.799064 0.185 0.793607 0.190 0.788160 0.195 0.782723 0.200 0.777297 0.205 0.771882 0.210 0.766478 0.215 0.761085 0.220 0.755704 0.225 0.750335 0.230 0.744977 0.235 0.739632 0.240 0.734300 0.245 0.728980 0.250 0.723674 0.255 0.718380 0.260 0.713100 0.265 0.707834 0.270 0.702582 0.275 0.697344 0.280 0.692120 0.285 0.686911 0.290 0.681717 0.295 0.676537 0.300 0.671730 0.305 0.666225 0.310 0.661092 0.315 0.655975 0.320 0.650874 0.325 0.645789 0.330 0.640721 0.335 0.635570 0.340 0.630635 0.345 0.625618 0.350 0.620618 0.355 0.625635 0.360 0.610667 0.365 0.605723 0.370 0.600794 0.375 0.595883 0.380 0.590990 0.385 0.586117 0.390 0.581261 0.395 0.576425 0.400 0.571608 0.405 0.566810 0.410 0.562031 0.415 0.557272 0.420 0.552532 0.425 0.547813 0.430 0.543113 0.435 0.538434 0.440 0.533773 0.445 0.529136 0.450 0.524518 0.455 0.519921 0.460 0.515345 0.465 0.510789 0.470 0.506255 0.475 0.501742 0.480 0.479250 0.485 0.492780 0.490 0.488332 0.495 0.483905 0.500 0.479500 0.505 0.475117 0.510 0.470756 0.515 0.466418 0.520 0.462101 0.525 0.457807 0.530 0.453536 0.535 0.449287 0.540 0.445061 0.545 0.440857 0.550 0.436677 0.555 0.432519 0.560 0.428384 0.565 0.424273 0.570 0.420184 0.575 0.411619 0.580 0.412077 0.585 0.408059 0.590 0.404063 0.595 0.400092 0.600 0.396144 0.605 0.392220 0.610 0.388319 0.615 0.384442 0.620 0.380589 0.625 0.376759 0.630 0.372954 0.635 0.369172 0.640 0.365414 0.645 0.361680 0.650 0.357971 0.655 0.354285 0.660 0.350623 0.665 0.34986 0.670 0.343372 0.675 0.339783 0.680 0.336218 0.685 0.332677 0.690 0.329600 0.695 0.325667 0.700 0.332199 0.705 0.318755 0.710 3.153340 0.715 0.311939 0.720 0.308567 0.725 0.305219 0.730 0.315896 0.735 0.298597 0.740 0.295322 0.745 0.292071 0.750 0.288844 0.755 0.285642 0.760 0.282463 0.765 0.279309 0.770 0.276178 0.775 0.273072 118
. luaän aùn toát nghieäp Thieát Keá Tuyeán Viba Soá 0.780 0.269990 0.785 0.266931 0.790 0.263897 0.795 0.260886 0.800 0.257899 0.805 0.254936 0.810 0.251996 0.815 0.249081 0.820 0.246189 0.825 0.243321 0.830 0.240476 0.835 0.237655 0.840 0.234857 0.845 0.232083 0.850 0.229332 0.855 0.226604 0.860 0.223900 0.865 0.221218 0.870 0.218560 0.875 0.215925 0.880 0.213313 0.885 0.210723 0.890 0.208157 0.895 0.205613 0.900 0.203092 0.905 0.200593 0.910 0.198117 0.915 0.195664 0.920 0.193232 0.925 0.190823 0.930 0.188436 0.935 0.186072 0.940 0.183729 0.945 0.181408 0.950 0.179109 0.955 0.176832 0.960 0.174576 0.965 0.172342 0.970 0.179103 0.975 0.167938 0.980 0.165768 0.985 0.163620 0.990 0.161492 0.995 0.159385 1.000 0.157299 1.050 0.137564 1.100 0.119795 1.150 0.103876 1.200 0.089686 1.250 0.077100 1.300 0.065992 1.350 0.056238 1.400 0.047715 1.450 0.040305 1.500 0.033895 1.550 0.028377 1.600 0.023652 1.650 0.019624 1.700 0.016210 1.750 0.013328 1.800 0.010901 1.850 8.8889-3 1.900 7.2096-3 1.950 5.8207-3 2.000 4.6778-3 2.050 3.7419-3 2.100 2.9795-3 2.150 2.3614-3 2.200 1.8629-3 2.250 1.4627-3 2.300 1.1432-3 2.350 8.8929-4 2.400 6.6778-4 2.450 5.3060-4 2.500 4.0697-4 2.550 3.1068-4 2.600 2.3605-4 2.650 1.7850-4 2.700 1.3434-4 2.750 1.0062-4 2.800 7.5017-5 2.850 5.5658-5 2.900 4.1100-5 2.950 3.0205-5 3.000 2.2092-5 3.050 1.6081-5 3.100 1.1649-5 3.150 8.3987-6 3.200 6.0247-6 3.250 4.3040-6 3.300 3.0593-6 3.350 2.1637-6 3.400 1.5200-6 3.450 1.0673-6 3.500 7.437-7 3.550 5.163-7 3.600 3.563-7 3.650 2.433-7 3.700 1683-7 3.750 1.137-7 3.800 7.6-8 3.850 5.27-8 3.900 3.53-8 3.950 2.27-8 119