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Page "lore" ¶ 606
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waves and are
Our readers are familiar with the principles of sonar where sound waves are sent out in water and the echoes then indicate submerged objects.
Various methods of pulsing, scanning, and displaying these sound waves are used to detect submarines, map ocean floors, and even communicate under water.
Piddington and Minnett explained their observations by pointing out that rocklike materials which are likely to make up the surface of the moon would be partially transparent to radio waves, although opaque to infrared radiation.
The observable characteristics of planetary radio radiation are the intensity, the polarization, and the direction of arrival of the waves.
The giant waves are more dangerous on flat shores than on steep ones.
Usually the third to the eighth waves in the series are the biggest.
In the search for oil and gas, we make similar waves under controlled conditions with dynamite and learn from them where there are buried rock structures favorable to the accumulation of these resources.
A suggestion from Louis De Broglie, a physicist in France, showed us that these electrons are not point particles but waves.
The transducers in most common loudspeakers ( e. g. woofers and tweeters ), are electromagnetic devices that generate waves using a suspended diaphragm driven by an electromagnetic voice coil, sending off pressure waves.
In quantum mechanics, where all particle momenta are associated with waves, it is the formation of such a wave packet which localizes the wave, and thus the particle, in space.
The derivations of the above equations for waves in an acoustic medium are given below.
Pieces of amber torn from the seafloor are cast up by the waves, and collected by hand, dredging, or diving.
Audio signals are sound waves — longitudinal waves which travel through air, consisting of compressions and rarefactions.
Analog ( or analogue ) television is the analog transmission that involves the broadcasting of encoded analog audio and analog video signal: one in which the information to be transmitted, the brightness and colors of the points in the image and the sound waves of the audio signal are represented by continuous variations of some aspect of the signal ; its amplitude, frequency or phase.
Evaluating the lift and drag on an airplane or the shock waves that form in front of the nose of a rocket are examples of external aerodynamics.
And as Jonah suffered this for the sake of those who were endangered by the storm, so Christ suffered for the sake of those who are tossed on the waves of this world.
Examples include states whose wavefunctions are Dirac delta functions or infinite plane waves.
Discordant coastlines feature distinctive landforms because the rocks are eroded by ocean waves.
Cultural and political influences from many parts of Asia, carried by successive waves of immigration, expansion, and cultural assimilation, are part of the modern culture of China.
The Taiping Rebellion, May Fourth Movement and Cultural Revolution are some upsurges of those waves in China.
In certain applications, different waveforms are used, such as triangular or square waves.

waves and separated
The E waves consist of undulating dipolar electric fields, and all such dipoles appeared to require separated and opposite electric charges.
A Shepard tone, named after Roger Shepard, is a sound consisting of a superposition of sine waves separated by octaves.
( In other words, each tone consists of ten sine waves with frequencies separated by octaves ; the intensity of each is a gaussian function of its separation in semitones from a peak frequency, which in the above example would be B ( 4 ).
The reef is divided into four rocks above water which, however, are joined below ; it is separated from the continent by a narrow channel filled with many stones, by which as by a staircase one can cross the channel with dry feet when the sea is calm ; but when the sea is rough, waves surround the four rocks into which I said the reef is divided.
The Dom and the Rom are therefore likely to be descendants of two different migration waves out of India, separated by several centuries.
Elephants, in particular, produce infrasound waves that travel through solid ground and are sensed by other herds using their feet, although they may be separated by hundreds of kilometres.
When the coefficients are separated into their height and latitude components, the height dependence takes the form of propagating or evanescent waves ( depending on conditions ), while the latitude dependence is given by the Hough functions.
, discovered numerically that its solutions seemed to decompose at large times into a collection of " solitons ": well separated solitary waves.
Kirby R. ( 2002 ) takes this concept further explaining that the fines are suspended and reworked aerially offshore leaving behind lag deposits of mainly bivalve and gastropod shells separated out from the finer substrate beneath, waves and currents then heap these deposits to form chenier ridges throughout the tidal zone which tend to be forced up the foreshore profile but also along the foreshore.
For a crystalline solid, the waves are scattered from lattice planes separated by the interplanar distance d. Where the scattered waves interfere constructively, they remain in phase since the path length of each wave is equal to an integer multiple of the wavelength.
Evidence from historical linguistics suggests that it is from this island that seafaring peoples migrated, perhaps in distinct waves separated by millennia, to the entire region encompassed by the Austronesian languages.
The GBS has two pulse waves, an arbitrary 4-bit wave channel ( a little like the NES DPCM channel, but with 32 repeating samples ) and a noise channel ; however, the triangle / DPCM channels are not separated as in the NES.
Sediment fines are suspended and reworked aerially offshore leaving behind lag deposits of mainly bivalve and gastropod shells separated out from the finer substrate beneath, waves and currents then heap these deposits to form chenier ridges throughout the tidal zone which tend to be forced up the foreshore profile but also along the foreshore.
Although the vertical wires are separated, the distance between them is small compared to the length of the LF waves, so the currents in them are in phase and they can be considered as one radiator.
* Shepard tone, a sound consisting of a superposition of sine waves separated by octaves

waves and by
The information is furnished by each of the guests, is sent by oral broadcasting over the air waves, and is received by the ears.
Statues and other monuments that stood there were stolen, mostly by the waves of Crusaders.
The ancient Greeks recorded several catastrophic inundations by huge waves.
This was, however, not achieved by Bohr through giving the electrons some kind of wave-like properties, since the idea that electrons could behave as matter waves was not suggested until twelve years later.
The propagation of sound waves in a fluid ( such as water ) can be modeled by an equation of motion ( conservation of momentum ) and an equation of continuity ( conservation of mass ).
Pytheas says that the Gutones, a people of Germany, inhabit the shores of an estuary of the Ocean called Mentonomon, their territory extending a distance of six thousand stadia ; that, at one day's sail from this territory, is the Isle of Abalus, upon the shores of which, amber is thrown up by the waves in spring, it being an excretion of the sea in a concrete form ; as, also, that the inhabitants use this amber by way of fuel, and sell it to their neighbors, the Teutones.
If the slowing down of certain seismic waves caused by the damp spot helped uncover the underground ocean, the unusual temperature variation with depth measured in 241 inactive oil wells helped locate the subterranean river.
Footage of the waves of the Andaman Islands also appeared in the film " Thicker than Water ", shot by cinematographer Jack Johnson, who later achieved worldwide fame as a popular musician.
* Absorption ( acoustics ), absorption of sound waves by a material
Additive synthesis is a sound synthesis technique that creates timbre by adding sine waves together.
Abd al-Rahman probably was quite happy to see his call answered by waves of Umayyad faithful and family.
At the speed of sound the way that lift is generated changes dramatically, from being dominated by Bernoulli's principle to forces generated by shock waves.
Its light curve can be approximated by adding together a number of sine waves, with periods that range between 0. 8 and 1. 5 hours.
The beds were deposited at the base of a cliff about 160 m tall, below the depth agitated by waves during storms.

0.641 seconds.