]>
Commit | Line | Data |
---|---|---|
b0f5e3fc | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
4ae5bbc4 | 15 | |
88cb7938 | 16 | /* $Id$ */ |
b9d0a01d | 17 | |
ee523d3a | 18 | |
4ae5bbc4 | 19 | #include <Riostream.h> |
b0f5e3fc | 20 | #include <TMath.h> |
21 | #include "AliITSetfSDD.h" | |
22 | ||
23 | //////////////////////////////////////////////////////////////////////// | |
24 | // Version: 0 | |
25 | // Written by Piergiorgio Cerello | |
26 | // November 23 1999 | |
ee523d3a | 27 | // Revised to comply with coding conventions: Nov, 21 2003 m.m. |
b0f5e3fc | 28 | //_____________________________________________________________________________ |
b669392e | 29 | |
fe7d86eb | 30 | using std::endl; |
31 | using std::cout; | |
b0f5e3fc | 32 | ClassImp(AliITSetfSDD) |
33 | ||
ee523d3a | 34 | const Int_t AliITSetfSDD::AliITSetfSDDparam::fgkMaxNofPoles = 5; |
35 | const Int_t AliITSetfSDD::AliITSetfSDDparam::fgkMaxNofSamples = 1024; | |
36 | ||
7537d03c | 37 | AliITSetfSDD::AliITSetfSDD(): |
38 | fTimeDelay(0), | |
39 | fSamplingTime(0), | |
40 | fT0(0), | |
41 | fDf(0.), | |
42 | fA0(0.) , | |
43 | fZeroM(0), | |
44 | fZeroR(0), | |
45 | fZeroI(0), | |
46 | fPoleM(0), | |
47 | fPoleR(0), | |
48 | fPoleI(0), | |
49 | fTfR(0), | |
50 | fTfI(0), | |
51 | fWR(0), | |
52 | fWI(0){ | |
ee523d3a | 53 | // Default constructor |
ee523d3a | 54 | } |
55 | ||
7537d03c | 56 | AliITSetfSDD::AliITSetfSDD(Double_t timestep, Int_t amplif): |
57 | fTimeDelay(0), | |
58 | fSamplingTime(0), | |
59 | fT0(0), | |
60 | fDf(0.), | |
61 | fA0(0.) , | |
62 | fZeroM(0), | |
63 | fZeroR(0), | |
64 | fZeroI(0), | |
65 | fPoleM(0), | |
66 | fPoleR(0), | |
67 | fPoleI(0), | |
68 | fTfR(0), | |
69 | fTfI(0), | |
70 | fWR(0), | |
71 | fWI(0) | |
b0f5e3fc | 72 | { |
ee523d3a | 73 | // Standard constructor. sampling time in ns |
e8189707 | 74 | |
ee523d3a | 75 | /* |
76 | cout<<"Number of poles: "<<AliITSetfSDDparam::NumberOfPoles()<<endl; | |
77 | cout<<"Number of samples: "<<AliITSetfSDDparam::NumberOfSamples()<<endl; | |
78 | */ | |
11ad066f | 79 | fTimeDelay = 53.5; |
80 | if(amplif == 2) fTimeDelay = 35.5; | |
e8189707 | 81 | fSamplingTime = timestep; |
8343dab6 | 82 | Double_t xGiga=1.0E+9; |
b0f5e3fc | 83 | fT0 = 0.; |
8343dab6 | 84 | fDf = xGiga/(AliITSetfSDDparam::NumberOfSamples()*fSamplingTime); |
e8189707 | 85 | Int_t i,j; |
ee523d3a | 86 | fZeroM = new Double_t[AliITSetfSDDparam::NumberOfPoles()]; |
87 | fZeroR = new Double_t [AliITSetfSDDparam::NumberOfPoles()]; | |
88 | fZeroI = new Double_t [AliITSetfSDDparam::NumberOfPoles()]; | |
89 | fPoleM = new Double_t [AliITSetfSDDparam::NumberOfPoles()]; | |
90 | fPoleR = new Double_t [AliITSetfSDDparam::NumberOfPoles()]; | |
91 | fPoleI = new Double_t [AliITSetfSDDparam::NumberOfPoles()]; | |
92 | fTfR = new Double_t [AliITSetfSDDparam::NumberOfSamples()]; | |
93 | fTfI = new Double_t [AliITSetfSDDparam::NumberOfSamples()]; | |
94 | fWR = new Double_t [AliITSetfSDDparam::NumberOfSamples()]; | |
95 | fWI = new Double_t [AliITSetfSDDparam::NumberOfSamples()]; | |
96 | ||
97 | for(i=0; i<AliITSetfSDDparam::NumberOfPoles(); i++) { | |
e8189707 | 98 | fZeroM[i] = 0.; |
99 | fZeroR[i] = 0.; | |
100 | fZeroI[i] = 0.; | |
101 | fPoleM[i] = 0.; | |
102 | fPoleR[i] = 0.; | |
103 | fPoleI[i] = 0.; | |
b0f5e3fc | 104 | } |
11ad066f | 105 | // Alice |
106 | ||
48058160 | 107 | // PASCAL amplif |
108 | fA0 = 5.53269815e+11; | |
109 | fPoleM[0] = 3.; | |
110 | fPoleR[0] = -8280000.; | |
111 | fPoleI[0] = 0.; | |
112 | ||
113 | if(amplif == 2) { // OLA amplif. | |
114 | fA0 = 24000.; | |
115 | fPoleM[0] = 1.; | |
11ad066f | 116 | fPoleR[0] = -3000000.; |
117 | fPoleI[0] = 4000000.; | |
48058160 | 118 | fPoleM[1] = 1.; |
119 | fPoleR[1] = fPoleR[0]; | |
120 | fPoleI[1] = -fPoleI[0]; | |
121 | } | |
122 | ||
123 | if( amplif == 3 ) { // old PASCAL | |
124 | fA0 = 16500.; // AL: 16500.; // TB: 24000.; // 26000.; // 24000.; // 18000.; | |
125 | fPoleM[0] = 1.; | |
126 | fPoleR[0] = -4140000.; // AL: -4140000.; // TB: -3000000.; // -3750000.; // -3500000; // -3000000.; | |
127 | fPoleI[0] = 0.; // AL: 0.; // TB: 4000000.; // 3750000.; // 3500000.; // 3000000.; | |
128 | fPoleM[1] = 1.; | |
129 | fPoleR[1] = fPoleR[0]; | |
130 | fPoleI[1] = -fPoleI[0]; | |
11ad066f | 131 | } |
b0f5e3fc | 132 | |
48058160 | 133 | //cout << "fA0: " << fA0 << endl; |
134 | //cout << "fTimeDelay: " << fTimeDelay << endl; | |
135 | ||
11ad066f | 136 | // Compute Transfer Function |
b0f5e3fc | 137 | |
ee523d3a | 138 | Double_t pigr = acos(-1.); |
139 | for(i=0; i<=AliITSetfSDDparam::NumberOfSamples()/2; i++) { | |
b0f5e3fc | 140 | Double_t frequency = fDf*i; |
ee523d3a | 141 | Double_t vVM = fA0; |
142 | Double_t vVA = 0.; | |
143 | for(Int_t k=0; k<AliITSetfSDDparam::NumberOfPoles(); k++) { | |
e8189707 | 144 | if(fZeroM[k]) { |
ee523d3a | 145 | Double_t vVZR = -fZeroR[k]; |
146 | Double_t vVZI = frequency - fZeroI[k]; | |
147 | Double_t vVZM = TMath::Sqrt(vVZR*vVZR+vVZI*vVZI); | |
148 | Double_t vVZA = TMath::ATan2(vVZI,vVZR); | |
149 | // cout << "VZM: " << vVZM << ", VZA: " << vVZA << endl; | |
150 | // cout << "VZR: " << vVZR << ", VZI: " << vVZI << endl; | |
e8189707 | 151 | for(j=1; j<= (Int_t) fZeroM[k]; j++) { |
ee523d3a | 152 | vVM *= vVZM; |
153 | vVA += vVZA; | |
154 | if(vVA >= pigr) vVA -= (2.*pigr); | |
155 | if(vVA <= -pigr) vVA += (2.*pigr); | |
156 | //cout << "vVM: " << vVM << ", VA: " << vVA << endl; | |
b0f5e3fc | 157 | } |
158 | } | |
159 | ||
e8189707 | 160 | if(fPoleM[k]) { |
ee523d3a | 161 | Double_t vVPR = -fPoleR[k]; |
162 | Double_t vVPI = frequency - fPoleI[k]; | |
163 | Double_t vVPM = TMath::Sqrt(vVPR*vVPR+vVPI*vVPI); | |
164 | Double_t vVPA = TMath::ATan2(vVPI,vVPR); | |
165 | //cout << "VPM: " << vVPM << ", VPA: " << vVPA << endl; | |
166 | //cout << "VPR: " << vVPR << ", VPI: " << vVPI << endl; | |
e8189707 | 167 | for(j=1; j<= (Int_t) fPoleM[k]; j++) { |
ee523d3a | 168 | vVM /= vVPM; |
169 | vVA -= vVPA; | |
170 | if(vVA >= pigr) vVA -= (2.*pigr); | |
171 | if(vVA <= -pigr) vVA += (2.*pigr); | |
172 | //cout << "VM: " << vVM << ", vVA: " << vVA << endl; | |
b0f5e3fc | 173 | } |
174 | } | |
ee523d3a | 175 | Double_t vVR = vVM*cos(vVA); |
176 | Double_t vVI = vVM*sin(vVA); | |
177 | //cout << "VM: " << vVM << ", VA: " << vVA << endl; | |
178 | //cout << "VR: " << vVR << ", VI: " << vVI << endl; | |
8343dab6 | 179 | fTfR[i] = vVR*xGiga; |
180 | fTfI[i] = vVI*xGiga; | |
e8189707 | 181 | //cout << "fTfR[" << i << "] = " << fTfR[i] << endl; |
182 | //cout << "fTfI[" << i << "] = " << fTfI[i] << endl; | |
b0f5e3fc | 183 | if(i) { |
ee523d3a | 184 | fTfR[AliITSetfSDDparam::NumberOfSamples()-i] = fTfR[i]; |
185 | fTfI[AliITSetfSDDparam::NumberOfSamples()-i] = -fTfI[i]; | |
b0f5e3fc | 186 | } |
187 | } | |
188 | } | |
189 | ||
190 | // Compute Fourier Weights | |
191 | ||
ee523d3a | 192 | for(i=0; i<=AliITSetfSDDparam::NumberOfSamples()/2; i++) { |
193 | fWR[i] = cos(-2.*pigr*i/AliITSetfSDDparam::NumberOfSamples()); | |
194 | fWI[i] = sin(-2.*pigr*i/AliITSetfSDDparam::NumberOfSamples()); | |
b0f5e3fc | 195 | if(i) { |
ee523d3a | 196 | fWR[AliITSetfSDDparam::NumberOfSamples()-i] = fWR[i]; |
197 | fWI[AliITSetfSDDparam::NumberOfSamples()-i] = -fWI[i]; | |
b0f5e3fc | 198 | } |
199 | } | |
200 | ||
201 | } | |
202 | ||
ee523d3a | 203 | |
204 | AliITSetfSDD::~AliITSetfSDD(){ | |
205 | // Destructor | |
206 | if(fZeroM) delete []fZeroM; | |
207 | if(fZeroR) delete []fZeroR; | |
208 | if(fZeroI) delete []fZeroI; | |
209 | if(fPoleM) delete []fPoleM; | |
210 | if(fPoleR) delete []fPoleR; | |
211 | if(fPoleI) delete []fPoleI; | |
212 | if(fTfR) delete []fTfR; | |
213 | if(fTfI) delete []fTfI; | |
214 | if(fWR) delete []fWR; | |
215 | if(fWI) delete []fWI; | |
216 | } | |
217 | ||
218 | void AliITSetfSDD::PrintElectronics() const { | |
219 | // Printout of the parameters defining the f.e. electronics | |
220 | ||
11ad066f | 221 | cout << "Time Delay " << fTimeDelay << endl; |
b0f5e3fc | 222 | cout << "Sampling Time " << fSamplingTime << endl; |
ee523d3a | 223 | cout << "Number of Time Samples " << AliITSetfSDDparam::NumberOfSamples() << endl; |
b0f5e3fc | 224 | cout << "fT0 " << fT0 << endl; |
225 | cout << "fDf " << fDf << endl; | |
226 | cout << "fA0 " << fA0 << endl; | |
227 | ||
228 | cout << "Zero's and Pole's" << endl; | |
e8189707 | 229 | cout << "fZeroM " << endl; |
230 | Int_t i; | |
ee523d3a | 231 | for(i=0; i<AliITSetfSDDparam::NumberOfPoles(); i++) cout << fZeroM[i] << endl; |
b0f5e3fc | 232 | cout << "fZero_R " << endl; |
ee523d3a | 233 | for(i=0; i<AliITSetfSDDparam::NumberOfPoles(); i++) cout << fZeroR[i] << endl; |
e8189707 | 234 | cout << "fZeroI " << endl; |
ee523d3a | 235 | for(i=0; i<AliITSetfSDDparam::NumberOfPoles(); i++) cout << fZeroI[i] << endl; |
e8189707 | 236 | cout << "fPoleM " << endl; |
ee523d3a | 237 | for(i=0; i<AliITSetfSDDparam::NumberOfPoles(); i++) cout << fPoleM[i] << endl; |
e8189707 | 238 | cout << "fPoleR " << endl; |
ee523d3a | 239 | for(i=0; i<AliITSetfSDDparam::NumberOfPoles(); i++) cout << fPoleR[i] << endl; |
e8189707 | 240 | cout << "fPoleI " << endl; |
ee523d3a | 241 | for(i=0; i<AliITSetfSDDparam::NumberOfPoles(); i++) cout << fPoleI[i] << endl; |
b0f5e3fc | 242 | |
243 | cout << "Transfer function" << endl; | |
244 | cout << "Real Part" << endl; | |
ee523d3a | 245 | for(i=0; i<AliITSetfSDDparam::NumberOfSamples(); i++) cout << fTfR[i] << endl; |
b0f5e3fc | 246 | cout << "Imaginary Part " << endl; |
ee523d3a | 247 | for(i=0; i<AliITSetfSDDparam::NumberOfSamples(); i++) cout << fTfI[i] << endl; |
b0f5e3fc | 248 | |
249 | cout << "Fourier Weights" << endl; | |
250 | cout << "Real Part" << endl; | |
ee523d3a | 251 | for(i=0; i<AliITSetfSDDparam::NumberOfSamples(); i++) cout << fWR[i] << endl; |
b0f5e3fc | 252 | cout << "Imaginary Part " << endl; |
ee523d3a | 253 | for(i=0; i<AliITSetfSDDparam::NumberOfSamples(); i++) cout << fWI[i] << endl; |
b0f5e3fc | 254 | } |
255 | ||
256 | ||
257 | ||
258 | ||
259 | ||
260 | ||
261 | ||
262 |