Detecting phase differences is very important in many applications, such as motor control, radar and telecommunication systems, servo mechanisms, and demodulators.

An article on the CodeProject website, " Detecting Hardware Insertion and / or Removal ", with clarifications from a blog by Doran Holan is of particular technical interest here.

Detecting the thermal into which to launch is vital and can involve several methods, ranging from radio telemetered temperature and windspeed measurements plotted on a chart recorder to Mylar streamers or soap bubbles to visualize the rising air.

He, along with his brother Joshua Hett Smith, escaped prosecution and probable execution by the Commission for Detecting and Defeating Conspiracies in the State of New York in 1778 for the crime of treason due to the memory of their father's influence upon the Justice system: the elder William Smith had, despite the efforts of friends and relatives, refused his own appointment to the Office of Chief Justice of the Province of New York in 1760, which his son William had accepted.

* Detecting which questions are better in terms of discrimination, clarity, ease of response, upon application on a pilot sample.

Detecting the types and amounts of different sulfated steroids conveys information about the urine donor's physiological state, and may therefore serve as an honest signal.

Detecting cheating in general online play may be more difficult than at physical events, and network latency may negatively impact players ' performance, especially at high levels of competition.

Detecting a probable steganographic payload is often only part of the problem, as the payload may have been encrypted first.

" Defining and Detecting Predatory Lending " reports " if payday lenders raise household welfare by relaxing credit constraints, anti-predatory legislation may lower it.

* Metal Detecting: Metal detecting is permitted in designated areas of the park ; however, any found items are subject to review by park staff and may be retained pending further investigation.

* Metal Detecting: Metal detecting is permitted in designated areas of the park ; however, any found items are subject to review by park staff and may be retained pending further investigation.

Detecting the B-modes will be extremely difficult, particularly given that the degree of foreground contamination is unknown, and the weak gravitational lensing signal mixes the relatively strong E-mode signal with the B-mode signal.

Detecting zero current with a galvanometer can be done to extremely high accuracy.

Furthermore, The Effect of Study design Biases on the Diagnostic Accuracy of Magnetic Resonance Imaging for Detecting Silicone Breast Implant Ruptures: a Meta-analysis ( 2011 ) reported that the breast-screening MRIs of asymptomatic women might be overestimating the incidence of breast-implant rupture.

Detecting the presence or lack of a grid source would appear to be simple, and in the case of a single inverter in any given possible physical island ( between disconnects on the distribution lines for instance ) the chance that an inverter would fail to notice the loss of the grid is effectively zero.

Detecting that a suspect knows information he obtained by reading a newspaper would not be of use in a criminal investigation, and standard brain fingerprinting procedures eliminate all such information from the structuring of a test ( Farwell 1995a, Simon 2005, Harrington v. State 2001 ).

Detecting WIMPs thus presents a problem ; if the WIMPs are very weakly interacting, detecting them will be extremely difficult.

Detecting a node's departure can be done, for instance, via heartbeat messages that periodically broadcast routing table information between neighbors.

Detecting and predicting CAT is hard for meteorologists because it is at such heights that even when caused by factors that can be measured, intensity and location cannot be determined precisely.

Detecting deception is difficult because there are no known completely reliable indicators of deception.

* Detecting events, e. g., for visual surveillance or people counting ;

Detecting a bias that will lead to a favorable outcome takes an impractically large amount of time and is very difficult, if not impossible, to do, therefore people fall prey to the Type II gambler's fallacy.

* Detecting Land Mines: New Technology, by Paul Grad.

* Detecting transitions is often less error-prone than comparing against a threshold in a noisy environment.

Detecting such a pulse means that the bit contained 1.

* Detecting leaks of natural gas and other gasses.

* Detecting heat in faulty electrical joints.

In 1901, Sir Jagadish Chandra Bose filed for a US patent for " A Device for Detecting Electrical Disturbances " that mentioned the use of a galena crystal ; this was granted in 1904, # 755840.

* A Treatise on Adulterations of Food and Culinary Poisons: Exhibiting the Fraudulent Sophistications of Bread, Beer, Wine, Spirituous Liquors, Tea, Coffee, Cream, Confectionery, Vinegar, Mustard, Pepper, Cheese, Olive Oil, Pickles, and Other Articles Employed in Domestic Economy, and Methods of Detecting Them, London 1820, Second edition 1820, Third edition 1821, Fourth edition 1822 ; reprint Philadelphia 1820 ; German translation by L. Cerutti Von der Verfälschung der Nahrungsmittel und von den Küchengiften, Leipzig 1822, Second edition 1841

Detecting spam based on the content of the email, either by detecting keywords such as " viagra " or by statistical means ( content or non-content based ), is very popular.

Detecting the destructive thought pattern previously gives objectivity and clarity to negate it as it rises.

Detecting such constants in files is a simple and effective way of distinguishing between many file formats and can yield further run-time information.

Detecting link rot for a given URL is difficult using automated methods.

" Detecting Equality of Variables in Programs.

Detecting their arrival with radar, Fligerkorps II immediately attacks their airfields, destroying almost all of them within three days.

Detecting the condition in early childhood increases the chance of successful treatment, especially if detected before the age of five.

Detecting the presence of Phytophthora species requires laboratory confirmation.

* In the computer game Escape Velocity: Nova, many planets that are part of the Auroran Empire have multiple arcologies on them.

Complex-crater morphology on rocky planets appears to follow a regular sequence with increasing size: small complex craters with a central topographic peak are called central peak craters, for example Tycho ; intermediate-sized craters, in which the central peak is replaced by a ring of peaks, are called peak-ring craters, for example Schrödinger ; and the largest craters contain multiple concentric topographic rings, and are called multi-ringed basins, for example Orientale.

A total of such planets ( in planetary systems, including multiple planetary systems ) have been identified as of.

In 1999, Upsilon Andromedae became the first main-sequence star known to have multiple planets.

: When multiple planets are present, each one slightly perturbs the others ' orbits.

If multiple transiting planets exist in one system, then this method can be used to confirm their existence.

They also note that the discoverers of the two planets around NN Serpentis were confronted with multiple suggestions from various official sources and finally chose to use the designations " NN Ser c " and " NN Ser d ."

As of, known extrasolar planets ( in planetary systems and multiple planetary systems ) are listed in the Extrasolar Planets Encyclopaedia, ranging in size from that of terrestrial planets similar to Earth to that of gas giants larger than Jupiter.

The proximity, Sun-like properties and suspected planets of this star have also made it the subject of multiple studies on whether an interstellar probe can be sent to Epsilon Eridani.

In 1996 the same George Gatewood prominently announced at an AAS meeting and to the popular press the discovery of multiple planets in this system, detected by astrometry.

Some systems, such as HD 10180 and Gliese 581 contain multiple unconfirmed planets pushing the total expected number of planets to be discovered in their systems higher.

HD 37124 has multiple known planets in the zone.

Gliese 581 is another well known red dwarf system which is speculated to have multiple planets within the habitable zone.

Transiting planetary systems are those with multiple planets in orbital planes along the line of sight between their star and Earth.

SaGa Frontier further expanded on the non-linear gameplay of its Romancing Saga predecessors, with a setting that spans multiple planets and an overarching plot that becomes apparent after playing through each of the different characters ' quests that tie together at certain places.

Because the load being transmitted is shared between multiple planets, torque capability is greatly increased.

The system can have multiple " planets " to transfer torque through multiple fluid patches.

The medal has been awarded to multiple individuals in the same year: in 1977 it was awarded to Arno Allan Penzias and Robert Woodrow Wilson " for their discovery of the cosmic microwave radiation ( a remnant of the very early universe ), and their leading role in the discovery of interstellar molecules "; in 1989 to Riccardo Giovanelli and Martha P. Haynes " for the first three-dimensional view of some of the remarkable large-scale filamentary structures of our visible universe "; in 1993 to Ralph Asher Alpher and Robert Herman " for their insight and skill in developing a physical model of the evolution of the universe and in predicting the existence of a microwave background radiation years before this radiation was serendipitously discovered " and in 2001 to R. Paul Butler and Geoffrey Marcy " for their pioneering investigations of planets orbiting other stars via high-precision radial velocities ".

Unlike normal planets, Atys is an enormous tree large enough to sustain an atmosphere and multiple ecosystems on its surface and within immense networks of branches and roots.

* Lost asteroids and planets, lost after having been once discovered ( multiple incidents ) — some rediscovered but others still lost

The Kepler team estimated that 5. 4 % of all stars host Earth-size planet candidates, and that 17 % of all stars have multiple planets.