| 000 | 00662 a2200241 4500 | ||
|---|---|---|---|
| 001 | 260282 | ||
| 020 | _a | ||
| 041 | _aeng | ||
| 080 | _aLNASA TP 3081 : 1991 | ||
| 245 | _aThree - dimensional finite - element thermal/mechanical analytical technique for high - performance traveling wave tubes | ||
| 250 | _a | ||
| 260 | _aWashington, D.C. | ||
| 260 | _bNational Aeronautics and Space Administration | ||
| 260 | _c1991 | ||
| 300 | _a18 p. | ||
| 300 | _c | ||
| 856 | _u | ||
| 490 | _aNASA TP 3081 : 1991 | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aTraveling wave tubes, Finite element method, Helix tubes, Nonlinearity, Structural analysis | ||
| 942 | _cPP | ||
| 942 | _2UDC | ||
| 999 |
_c212220 _d212220 |
||