For example, with particular values of the echo time ( T < sub > E </ sub >) and the repetition time ( T < sub > R </ sub >), which are basic parameters of image acquisition, a sequence takes on the property of T < sub > 2 </ sub >- weighting.

By emitting a high-frequency chirp from the transducer, and measuring the amount of time it takes to hear an echo from the sound waves bouncing off an object, one can calculate the distance to that object.

If a sound produces an echo in 2 seconds, the object producing the echo would be precisely that distance away ( the sound takes half the time to get to the object and half the time to return ).

TEE is a special type of echo that takes pictures of the heart through the esophagus ( the passage leading from the mouth to the stomach ).

In the music video for the song, helmed by Venezuelan director Ángel Gracia ( which along Cliff Guest, won MTV's Make My Video competition for Madonna's " True Blue " song in 1986 ), a diver comes upon an Atlantis-like submerged ancient city ( underscored by sound effects resembling a sonar's echo ) and takes a tour around the city, similar to the video clip for " Sadeness ( Part I )".

In addition the themes of superstition and mysticism which are evident in Treemonisha are common in the operatic tradition, and certain aspects of the plot echo devices in the work of the German composer Richard Wagner ( of which Joplin was aware ); a sacred tree under which Treemonisha is found recalls the tree from which Siegmund takes his enchanted sword in Die Walküre, and the retelling of the heroine's origins echos aspects of the opera Siegfried.

The question concerning corporeity connects also with Merleau-Ponty's reflections on space ( l ' espace ) and the primacy of the dimension of depth ( la profondeur ) as implied in the notion of being in the world ( être au monde ; to echo Heidegger's In-der-Welt-sein ) and of one's own body ( le corps propre ).

* on certain coastlines, a depth sounding from echo sounder or hand lead line.

Quality of service comprises requirements on all the aspects of a connection, such as service response time, loss, signal-to-noise ratio, cross-talk, echo, interrupts, frequency response, loudness levels, and so on.

While many Latin American countries have long since rendered the system officially illegal through legislation, usually at the time of their independence, prejudice based on degrees of perceived racial distance from European ancestry combined with one ’ s socioeconomic status remain, an echo of the colonial caste system.

Noise typically appears as random variations superimposed on the desired echo signal received in the radar receiver.

While many Latin American countries have long since rendered the system officially illegal through legislation, usually at the time of independence, prejudice based on degrees of perceived racial distance from European ancestry combined with one's socioeconomic status remain, an echo of the colonial caste system.

According to the " Behind the Truth " segment on the Season 1 DVD, Snow created the echo effect on his famous theme music by accident.

Finally, in an echo of the X11R6. 4 licensing dispute, XFree86 released version 4. 4 in February 2004 under a more restrictive license which many projects relying on X found unacceptable.

A Doppler on Wheels radar loop of a hook echo and associated mesocyclone in Tornadoes of 2009 # June 5 | Goshen County, Wyoming on June 5, 2009.

Together, the Beatitudes present a new set of ideals that focus on love and humility rather than force and exaction ; they echo the highest ideals of Jesus ' teachings on spirituality and compassion.

In an echo of Chamberlain's appearance, the King invited Churchill to appear with him on the balcony to public acclaim.

In 1906, when Haywood had been on trial for his life in Idaho, Debs had described him as " the Lincoln of Labor " and called for Haywood to run against Theodore Roosevelt for president of the United States., but times had changed and Debs, facing a split in the Party, chose to echo Hillquit's words, accusing the IWW of representing anarchy.

The same evening anticipation applies to other major solemnities and feasts, and is an echo of the Jewish practice of starting the new day at sunset (" Shabbat " starts on Friday night ).

This was naval history's only decisive sea battle fought by modern steel battleship fleets, the first naval battle in which wireless telegraphy played a critically important role, and has been characterized as the " dying echo of the old era – for the last time in the history of naval warfare ships of the line of a beaten fleet surrendered on the high seas.

" This theft of a cup, Smaug's knowledge of every item in the hoard, and the dragon's ensuing rampage all echo the story of Beowulf, on which Tolkien was a noted expert and which he described as one of his " most valued sources " for The Hobbit.

The setting on the Mount of Olives is also thought by some scholars not to have been incidental, but a quite deliberate echo of a passage in the Book of Zechariah which refers to the location as the place where a final battle would occur between the Jewish Messiah and his opponents.

* Information on the echo from Chinon Château

The RFC 3611 VoIP Metrics block is generated by an IP phone or gateway during a live call and contains information on packet loss rate, packet discard rate ( because of jitter ), packet loss / discard burst metrics ( burst length / density, gap length / density ), network delay, end system delay, signal / noise / echo level, Mean Opinion Scores ( MOS ) and R factors and configuration information related to the jitter buffer.

Lines from Bull's poems echo through Finnegans Wake, and Bull himself materializes under the name " Olaph the Oxman ", a pun on his surname.

They are able to hear the bat's ultrasounds and flee as soon as they notice these sounds, or stop beating their wings for a period of time to deprive the bat of the characteristic echo signature of moving wings which it may home in on.

On 8 August 1972, Rines ' Raytheon DE-725C sonar unit, operating at a frequency of 200 kHz and anchored at a depth of, identified a moving target ( or targets ) estimated by echo strength to be in length.

Challenger II surveyed the trench using echo sounding, a much more precise and vastly easier way to measure depth than the sounding equipment and drag lines used in the original expedition.

In 1984, the Japanese survey vessel Takuyō ( 拓洋 ), collected data from the Mariana Trench using a narrow, multi-beam echo sounder ; it reported a maximum depth of 10, 924 m, also reported as 10, 920 ± 10 metres.

In that test, Fessenden demonstrated depth sounding, underwater communications ( Morse Code ) and echo ranging ( detecting an iceberg at two miles ( 3 km ) range ).

Between 1925 and 1927 the " Meteor " expedition gathered 70, 000 ocean depth measurements using an echo sounder, surveying the Mid atlantic ridge.

And the echo of this suffering is already heard in every word of our worship service-unique and incomparable both in the power of tenderness and feeling and in the depth of the boundless compassion for the suffering of the Savior.

Illustration of echo sounding using a multibeam echosounder. Echo sounding is the technique of using sound pulses to find the depth of water.

The interval from the emission of a pulse to reception of its echo is recorded, and the depth calculated from the known speed of propagation of sound through water.

As well as an aid to navigation ( most larger vessels will have at least a simple depth sounder ), echo sounding is commonly used for fishing.

The natural reverberation and echo from the hard walls of the echo chamber gave Spector's productions their distinctive quality and resulted in a rich, complex sound that, when played on AM radio, had an impressive depth rarely heard in mono recordings.

His voice seems an echo from the depth of a bottomless cavern.

The fathometer is an echo sounding system for measurement of water depth.

Early sporting fathometers for recreational boating used a rotating light at the edge of a circle which flashed in sync with the received echo, which in turn corresponded to depth.

His introduction imitates the work of Orosius, and his title is an echo of Eusebius's Historia Ecclesiastica.

When examined separately from the book illustrations he did over time, Tenniel ’ s work at Punch alone, expressing decades of editorial viewpoints, often controversial and socially sensitive, was created to ultimately echo the voices of the British public, and is in itself massive.

The main characters ' visit to Alvy ’ s childhood echo Ingmar Bergman's Wild Strawberries and the school scenes are reminiscent of Federico Fellini's later work.

By way of historical linguistics and comparative mythology, scholars have linked Ymir to Tuisto, the Proto-Germanic being attested by Tacitus in his 1st century AD work Germania and have identified Ymir as an echo of a primordial being reconstructed in Proto-Indo-European mythology.

Poulenc soon became obsessed with this work, and saw the sad fate of Blanche de la Force as a sad echo of the long agony of his boyfriend Lucien Roubert, a travelling salesman ( 1909-55 ) who died on the same day as Poulenc finished the piano version of the Dialogues.

Discussing the association Iphigenia's character makes between love and death, Romanian theater critic Radu Albala noted that it was a possible echo of Meşterul Manole legend, in which a builder of the Curtea de Argeş Monastery has to sacrifice his wife in exchange for permission to complete work.

In areas where detailed bathymetry is required, a precise echo sounder may be used for the work of Hydrography.

In the same work, Evola argues " the Jewish notion of a Messiah and the Christian notion of God's Kingdom, which many people believe to have greatly influenced the medieval imperial myth, are nothing but an echo of the ancient and pre-Christian Aryo-Iranian concept " of the Saoshyant as " lord of a future, triumphal kingdom of the God of Light " and " slayer of the Ahrimanic dark forces " ( ibid., p. 39 )

Doo Wop singers would work a cappella without backing instruments, and practice in hallways of their schools, apartment buildings, or alleys to achieve echo effects on their voices, and lyrics were generally innocent youthful observations on the upsides of teen love and romance.

* Electronic music producer, James Spinney, uses " DJ Harlock " as his alias for production and live performances, and is known for loosely using themes in his tracks that echo Matsumoto's work with Daft Punk.

When yesterday I heard the government credited with intentions which it has not, I seemed to hear an echo of the slanders levelled by the German government at the work of France in Morocco.

After her marriage to Fritz Lang, the two went to work on a script that would echo pride for German nationality, Die Nibelungen and further raise von Harbou's esteem as a writer for the screen.

In this respect, his work has some echo in the writing of Michael Crichton.

463-464, the violas and cellos echo the cello line from m. 148 of the second movement of the latter's " Clock " Symphony, one of the finest examples of Haydn's pioneering work in the symphonic variation form.

" Stravinsky's neo-classical and rugged rhythms echo through his work.

Radar systems work by sending out a signal and then listening for its echo off distant objects.

His introduction imitates the work of Orosius, and his title is an echo of Eusebius's Historia Ecclesiastica.

His work and his public persona found an echo in the artistic movement of Neue Sachlichkeit, a major strand in the culture of the Weimar Republic.

Curran says that he was encouraged by then recent solo works by Terry Riley, La Monte Young, Charlemagne Palestine, and Simone Forti, while AllMusic says the album recalls early electronic work involving tape loops, echo, and feedback, and resembles composers Riley, Pauline Oliveros, and Steve Reich.

In this they echo the studio and tableaux works of mid nineteenth century erotic photographers, as well as the works of the painter Balthus, and the work of Bernard Faucon.

By the middle of the century, an attempt to be objective was made in poetry by the group of writers known as the Parnassians -- which included Leconte de Lisle, Théodore de Banville, Catulle Mendès, Sully-Prudhomme, François Coppée, José María de Heredia and ( early in his career ) Paul Verlaine -- who ( using Théophile Gautier's notion of art for art's sake and the pursuit of the beautiful ) strove for exact and faultless workmanship, and selected exotic and classical subjects which they treated with a rigidity of form and an emotional detachment ( elements of which echo the philosophical work of Arthur Schopenhauer whose aesthetic theories would also have an influence on the symbolists ).

Miró ’ s The Tilled Field contains several parallels to Bosch's Garden: similar flocks of birds ; pools from which living creatures emerge ; and oversize disembodied ears all echo the Dutch master ’ s work.

Mad Professor's early work was characterized by few vocal tracks and heavy echo, reverb, and phaser effects on the instrumentals.

Active cancellation is supposed to work by sampling and analysing incoming radar and feeding it back to the hostile emitter out of phase thus cancelling out the returning radar echo.