Hadrian's Wall

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an ancient Roman wall built by Hadrian in the 2nd century

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Parameters Value Waveguide broad wall (a) 1.66 mm Narrow dimension of the waveguide (b) 0.31 mm The length of the straight waveguide (h) 0.44 mm The length of the pitch of the SWS (p) 0.38mm The broad wall of the sheet beam 0.54 mm tunnel ([a.sub.2]) The narrow dimension of the 0.22 mm sheet beam tunnel ([b.sub.2]) Thickness of the ridge (w) 0.062 mm Height of the ridge (h) 0.44 mm Thickness of the vane (e) 0.183 mm Height of the vane ([h.sub.1]) 0.308mm
As an example, let us consider a problem of electromagnetic waves scattering by a narrow rectilinear transverse slot in a broad wall of a rectangular waveguide containing passive impedance vibrators and extraneous field sources.
The requirements of keeping the integrity of the CFRP waveguide walls intact led to a loop feed that does not require grounding to the broad wall. This is of relevance as a discontinuity in the broad wall reduces the structural integrity of the waveguide component.
(4) As illustrated in Figure 2, this structure is comprised of a series of thin metal vanes that run vertically from the center of one broad wall of the guide to the other.
One way to integrate the spiral antenna into the SWASS concept is to cut spiral slots on the broad wall of rectangular waveguides where spiral slots are part of a SWA array.
The doorway to the exhibition was wide, but it was blocked some six feet in by a broad wall on which Sillman's drawings of couples hung in a loose mosaic.
An electronbeam passes through a small hole on the broad wall of the serpentine waveguide where the electric field intensity peaks.
Figure 1 shows the cross guide coupler with two apertures cut in the common broad wall of two rectangular waveguides oriented at 90|degrees~ relative to one another, where A and B are the forward and backward coupled wave amplitudes, respectively.
For example, in rectangular waveguide, poor sample contract with the waveguide's broad wall will produce large errors in [epsilon[sub.r]], while poor contact with the waveguide's narrow wall will produce large errors in [mu[sub.r]].
The rooms were constructed with large broad walls which had cupboards in them.
The rooms were constructed with large broad walls with cupboards in them that had wooden doors with flowers carved on them.
The rectangular waveguides are usually used as a radiating waveguide for the edge slotted waveguide antennas with the slots cutting into the broad walls for resonance.
The nature of a site is in the details: the way that this concrete floor maps a shape from white wall to white wall, or the way that the broad walls give way to narrower ones and another mounted with a bookshelf, or the way that the large, ground-floor window looks out onto a particular vista.
Those who stayed here nearly 5,000 years ago were probably more advanced than Their houses had broad walls for better security and their bricks were of different shapes," said Wazir Chand Saraoe, a 52- year- old school teacher, who had been collecting the relics as a child and has built a museum in his house.
For applications requiring broader operating bandwidth ridges are incorporated into the waveguide broad walls to form dual-ridged waveguide.