Discover OCR-ed Pages Content

Displaying results 4926 - 4950 of 58712

Project tubeflight : phase 1, feasibility study : final report for the period Dec 10, 1965 - Sept 9, 1966 prepared for the…

Sequence 104
II-22 APPENDIX II-A2 MODE SELECTION BY A PHASED ARRAY In attube 18 feet in diameter at a frequency of 230 mcps, there are…
Sequence 105
To avoid exciting the TE02 mode will require sin[~2 l + 0( ),121= 0 = sin [N(~21 - c( )/ij .. For our choice of guide and…
Sequence 106
Here f. is still a normalized excitation, but no longer is given by the l formula quoted above for a uniform array. If we set…
Sequence 107
APPENDIX II-A3 GUIDE EXCI~TION BY HYBRID JUNCTION COUPLER Transfer of power into the TEOl mode by an array of current loops…
Sequence 108
is known: in 1 2 3 4 E¢out = 8(4) E¢inj 8(4) = .24 .26 .58 .73 lout CD .26 .28 .61 -.68 2 b #2 M3 .58 .61…
Sequence 109
the phase shifts experienced by the various modes propagating a distance .~ in the large guide. For instance from S(5) one…
Sequence 110
The application of the design just described to the multimode guide is complicated by the higher TE modes, however. An 8(13)…
Sequence 111
concentric with the whole system, may reduce the unwanted excitation of TE~2 o and TE03 out port~. The desirable features of…
Sequence 112
For a perfectly conducting straight wire and an incident plane wave, the scattering solution is known: J o (kd) HI (kd) H (…
Sequence 113
Since the total tange~tial E ~ield on the disc must vanis~one obtains the following integral equation for J¢.* E U a m J s…
Sequence 114
11-32 of the bend is less than R 1.366 x 10 5 a 2 i t 350 'I f = n me ers, or ml es or our cr (r (1 - r2 )Jl…
Sequence 115
l \ . ., ~ I , . I LOSSES DUE TO ATTENUATION IN THE WAVEGUIDE SURFACE In order to find experimentally the losses…
Sequence 116
For the decay measurement of Q, the equipment included a Hewlett-Backard signal generator 616A with pulsed output between 2…
Sequence 117
II-35 TABLE II-la CAVITY Q FOR THREE MODES AND FOUR SURFACES 1. Cavity without gaps; bandwidth measurement of Q. 1st…
Sequence 118
To calculate the cavity Q, one starts with the usual def'inition(the f'actor of' 2~ in some texts is omitted):…
Sequence 119
The measured Q's after cleaning tend to be about a third of the theoretical values. One might expect the attenuation…
Sequence 120
1I-38 follows a design given by southworth(l): a coaxial line terminates in 4 branches above a reflecting back plate, and…
Sequence 121
k' t vekic.(e ~ I I I / C / I ta.p'er / ~ I . / I Fr q UTe II -60, ~ enna I / / / I section…
Sequence 122
. ident:1..cal except for this element, yet one was twice as effic:1.ent as the other. We plan to replace this fitting, tune…
Sequence 123
The low pass filter, (I), had a nominal cutoff point at 300 mc, above which the attenuation increased sharply. Initially, a…
Sequence 124
meter@ + . The coupling accuracy is about - 0.2 declbels, which implies an + error of about - 5%. An equal error can be…
Sequence 125
to the junction--as occurs in the rectifier for the alternate halves of the applied RF wave--some partial conduction continues…
Sequence 126
I 1 AREA III INHERENT STABILITY AND CONTROL OF HIGH-SPEED FLUID-SUPPORTED VEHICLES MOVING WITHIN NON-EVACUATED TUBES…
Sequence 127
IIIA-2 of inertial and aerodynamic coefficients whose absolute magnitude may depend on the initial equilibrium flight…
Sequence 128
lIIA-3 AERODYNAMIC CHARACTERISTICS OF A VEHICLE TRAVELING IN A TUBE In determining the aerodynamic characteristics of a…
Back to top