| Introduction |
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ix | |
| Abbreviations |
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xvii | |
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1 Relativistic Magnetrons and Their Difference from Classical Magnetrons |
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1 | (91) |
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1.1 Design of relativistic magnetrons |
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2 | (2) |
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1.2 Voltage diagram, modes of oscillations of a relativistic magnetron |
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4 | (6) |
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1.3 Elements of relativistic magnetrons |
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10 | (31) |
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1.4 Design, choice of parameters of the resonator system |
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41 | (4) |
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1.5 Calculation of the resonator system of a relativistic magnetron by the field theory method |
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45 | (4) |
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1.6 Optimization of the parameters of the resonator system of the relativistic magnetron |
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49 | (6) |
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1.7 Synchronization of relativistic magnetrons |
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55 | (5) |
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1.8 Ripped-field magnetron |
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60 | (2) |
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1.9 Control of the output parameters of microwave radiation |
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62 | (10) |
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1.9.1 Effect of voltage on the output characteristics of the microwave radiation of the RM |
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63 | (2) |
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1.9.2 Effect of the diameter of the cathode on the radiation frequency of the RM |
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65 | (1) |
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1.9.3 Mechanical frequency tuning of the microwave radiation of the RM |
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66 | (2) |
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1.9.4 Regenerative amplifier |
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68 | (1) |
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1.9.5 Effect of the internal diameter of the anode block on the output characteristics of the RM |
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69 | (3) |
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1.10 Resonance compression of microwave pulses at the output of a relativistic magnetron |
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72 | (20) |
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2 Physical Processes in Relativistic Magnetrons |
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92 | (60) |
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2.1 The theoretical model of the relativistic magnetron of planar geometry |
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97 | (15) |
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2.1.1 Motion of electrons in a relativistic magnetron of planar geometry |
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99 | (6) |
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2.1.2 Output characteristics of a relativistic magnetron. Anode current |
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105 | (5) |
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2.1.3 Performance characteristics of a relativistic magnetron |
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110 | (2) |
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2.2 The theoretical model of the relativistic magnetron of cylindrical geometry |
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112 | (26) |
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2.2.1 High-frequency fields of the anode block |
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112 | (3) |
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2.2.2 Equations of motion of electrons in a relativistic magnetron of cylindrical geometry |
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115 | (1) |
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2.2.3 A simplifying assumption for the analytical solution of the equations of motion |
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116 | (4) |
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2.2.4 Analytical solution of the equations of motion |
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120 | (3) |
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2.2.5 Electron trajectories in a cylindrical relativistic magnetron |
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123 | (2) |
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2.2.6 Output characteristics of a relativistic magnetron. Anode current |
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125 | (3) |
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2.2.7 Limits of applicability of the averaging method |
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128 | (2) |
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2.2.8 The effect of space charge |
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130 | (4) |
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2.2.9 Electronic frequency shift in a relativistic magnetron |
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134 | (4) |
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2.3 Thermal processes in a relativistic magnetron |
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138 | (14) |
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2.3.1 Areas of electron deposition on the surface of the anode block |
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139 | (4) |
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2.3.2 Formulation of the problem of thermal calculation and its solution |
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143 | (3) |
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2.3.3 Results of thermal calculations |
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146 | (6) |
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3 Power Sources and Components of Experimental Installations |
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152 | (51) |
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3.1 High-current electron accelerators |
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153 | (3) |
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3.2 Linear induction accelerators |
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156 | (27) |
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3.2.1 Layout scheme of the LIA developed at the Tomsk Polytechnic University |
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158 | (5) |
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3.2.2 Commutators of the forming lines of LIA |
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163 | (1) |
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3.2.3 LIAs with multichannel dischargers |
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164 | (3) |
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3.2.4 LIAs on magnetic elements |
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167 | (16) |
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3.3 Simulation of the operation of HCEA and LIA on relativistic magnetrons and other loads |
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183 | (15) |
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3.3.1 Statement of the problem and the purpose of the work |
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183 | (2) |
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3.3.2 Construction of the model and calculation of the parameters of the equivalent circuit |
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185 | (9) |
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3.3.3 Results of simulation of a relativistic magnetron with a power source -- LIA on magnetic elements |
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194 | (3) |
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3.3.4 Results of modelling of LIA with multichannel dischargers and HCEA |
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197 | (1) |
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3.4 Formation of pulses of increased voltage for the supply of RMs |
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198 | (5) |
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4 Pulse--Periodic Relativistic Magnetrons |
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203 | (52) |
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4.1 Studies of RMs in pulse--periodic mode with the use of LIAs with multichannel spark dischargers |
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203 | (8) |
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4.2 The basic elements of the pulse--periodic RM |
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211 | (2) |
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4.3 The construction of the anode block with the device of output of microwave radiation |
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213 | (4) |
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217 | (6) |
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4.4.1 The cathode material for a pulse--periodic relativistic magnetron |
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220 | (1) |
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4.4.2 Effect of cathode dimensions on the output characteristics of RM |
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221 | (2) |
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223 | (6) |
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4.5.1 Calculation of the thermal conditions of the coils of the magnetic system |
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225 | (2) |
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4.5.2 The design of the magnetic system of pulse--periodic RMs |
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227 | (2) |
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229 | (4) |
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4.7 Experimental investigations of the RM using LIA on magnetic elements |
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233 | (8) |
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4.7.1 Scheme and methodology of experimental research |
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233 | (3) |
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4.7.2 The results of experimental studies |
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236 | (5) |
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4.8 Relativistic magnetron of the Physics International Company |
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241 | (14) |
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5 Relativistic Magnetrons with Increased Duration of Microwave Radiation Pulse |
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255 | (55) |
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5.1 Relativistic magnetrons of microsecond duration |
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255 | (4) |
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5.2 Centrifugal instability of the plasma on the central electrode of a coaxial diode with magnetic insulation |
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259 | (2) |
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5.3 Centrifugal instability of plasma in an inverted coaxial diode with magnetic insulation |
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261 | (7) |
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5.4 Inverted coaxial relativistic magnetron at the Stanford University |
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268 | (3) |
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5.5 Inverted relativistic magnetrons of the Tomsk Polytechnic University |
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271 | (12) |
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5.5.1 Design, calculation and `cold' measurements |
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271 | (5) |
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5.5.2 Design, calculation and `cold' measurements of inverted coaxial magnetrons (ICM) |
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276 | (7) |
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5.6 Experimental investigations of inverted relativistic magnetrons |
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283 | (6) |
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5.7 Experimental investigations of the ICM |
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289 | (2) |
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5.8 Relativistic magnetrons with external injection of an electron beam |
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291 | (19) |
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5.8.1 Physical preconditions for the creation of RMI |
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291 | (5) |
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5.8.2 Experimental studies of RMI of nanosecond duration |
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296 | (4) |
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5.8.3 Experimental studies of RMI of microsecond duration |
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300 | (10) |
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6 Relativistic Magnetrons with External Coupling of Resonators |
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310 | (42) |
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6.1 Controlling couplings in the oscillatory system of a magnetron |
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311 | (3) |
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6.2 The construction of a relativistic magnetron with an external coupling of resonators |
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314 | (3) |
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6.3 Features of measuring the characteristics of microwave radiation of a relativistic magnetron |
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317 | (3) |
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6.4 A six-resonator relativistic magnetron with uncoupled resonators |
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320 | (3) |
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6.5 Relativistic magnetron with a symmetric coupling of resonators |
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323 | (7) |
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6.6 Relativistic magnetron with an antisymmetric channel of coupling of resonators |
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330 | (3) |
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6.7 Relativistic magnetron with distributed radiation output from the channel of coupling of resonators |
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333 | (2) |
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6.8 Characteristics of an eight-cavity relativistic magnetron with coupled resonators |
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335 | (9) |
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6.9 Dynamics of the radiation frequency of a relativistic magnetron |
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344 | (8) |
| Index |
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352 | |
