A multiplier ( which is a nonlinear device ) will generate ideally only the sum and difference frequencies, whereas an arbitrary nonlinear block would generate also signals at e. g. 2 · f < sub > 1 </ sub >- 3 · f < sub > 2 </ sub >, etc.

Signal generators, also known variously as function generators, RF and microwave signal generators, pitch generators, arbitrary waveform generators, digital pattern generators or frequency generators are electronic devices that generate repeating or non-repeating electronic signals ( in either the analog or digital domains ).

Arbitrary waveform generators, or AWGs, are sophisticated signal generators which allow the user to generate arbitrary waveforms, within published limits of frequency range, accuracy, and output level.

Computer programs can be used to generate arbitrary waveforms on a general-purpose computer and output the waveform via an output interface.

Uses where the desired quality of laser diodes is their ability to generate ultra-short pulses of light by the technique known as " mode-locking " include clock distribution for high-performance integrated circuits, high-peak-power sources for laser-induced breakdown spectroscopy sensing, arbitrary waveform generation for radio-frequency waves, photonic sampling for analog-to-digital conversion, and optical code-division-multiple-access systems for secure communication.

WebMacro can also be used to generate arbitrary text output from templates ( one of its uses is automated code generation ).

If default models are biased to include arbitrary default data and " Ratings Factors are biased low compared to the true level of expected defaults, the Moody ’ s will not generate an appropriate level of average defaults in its default distribution process.

Hugo was criticized, and ridiculed, by Marx in the Rheinische Zeitung for justifying the " law of arbitrary power ", that is, for endorsing societal injustice and exploitation simply because the institutions which generate them exist.

SEAL is actually a pseudorandom function family in that it can easily generate arbitrary portions of the keystream without having to start from the beginning.

Digital computers can also be used to generate a set of coordinates that accurately describe an arbitrary curve, and the points can be connected with line segments to approximate the curve with a high degree of accuracy.

No universal best-fit procedure is guaranteed to generate a correct solution for arbitrary relationships.

As of GHC-6. 10, Template Haskell provides support for user-defined quasi-quoters, which allows users to write parsers which can generate Haskell code from an arbitrary syntax.

* web vex web form that allows a user to generate arbitrary length realizations of vexations ( between 16 and 9999 repetitions ).

Spinning can also be used to generate an arbitrary time delay, a technique that was necessary on systems that lacked a method of waiting a specific length of time.

They used the analytical expression of bi-quadratic uniform B-spline surface to generate their subdivision procedure to produce C < sup > 1 </ sup > limit surfaces with arbitrary topology for arbitrary initial meshes.

They can transform a k symbol message into a practically infinite encoded form, i. e., they can generate an arbitrary amount of redundancy symbols that can all be used for error correction.

* Arbitrary Function Generator, another name for arbitrary waveform generator, an electronic device used to generate electrical waveforms

This can generate arbitrary dispersion functions with a maximum of a few tens of picoseconds of delay.

If one succeeds in translating the flat continuum hypothesis in a mathematical form, it is possible to generate a set of equations defining P and Q on a less arbitrary ground.

and generate arbitrary voltages, depending on the controller and circuit topology.

An arbitrary waveform generator ( AWG ) is a piece of electronic test equipment used to generate electrical waveforms.

Before central power stations were widely introduced it was common for industries, large hotels and commercial buildings to generate their own power and use low pressure exhaust steam for heating.

File: Faraday. png | Michael Faraday ( 1791-1867 ): showed how a changing magnetic field can be used to generate an electric current ( Faraday's law of induction ), applied this knowledge to the development of several electrical machines, described principles of electrolysis, early pioneer in the field of low temperature study

Quasars also show ' forbidden ' spectral emission lines which were previously only seen in hot gaseous nebulae of low density, which would be too diffuse to both generate the observed power and fit within a deep gravitational well.

Forestry which led Congolese exports before the discovery of oil, continues to generate 10 % of export earnings, although high transportation costs, high wages, and low productivity have hurt the forestry industry in recent years.

* In order to generate at the low rpm at which the engines of the day ran, the pulse resulting from each combustion stroke was quite large.

Two hands give the player more control, while one hand can generate a slice shot, applying backspin on the ball to produce a low trajectory bounce.

Because the sun is low in the horizon for most of the year, it is difficult for plants to generate energy from photosynthesis.

It is hypothesized that rising testosterone levels at the start of puberty ( around age twelve ) are able to generate sufficient levels of DHT either by the action of 5α-reductase type I ( active in the adult liver, non-genital skin and some brain areas ) or through the expression of low levels of 5α-reductase type II in the testes.

Druids take less damage and appear to be more threatening to monsters while in Bear form, and they can use relatively low damage but high threat physical abilities like Maul or Lacerate, or they can Swipe multiple targets to generate threat on all of them, making Bears suitable for tanking.

While the direct usage of Servlets to generate HTML ( as shown in the example below ) has become rare, the higher level MVC web framework in Java EE ( JSF ) still explicitly uses the Servlet technology for the low level request / response handling via the FacesServlet.

It can generate a constant 15 Hz sine wave tone at 140 dB for 24 hours a day, seven days a week with extremely low harmonic distortion.

As a result of the transportation systems in use, but not adequately meeting the needs of those who rely on them, they tend to generate low revenue.

When deployed properly and in combination with other Permacultural principles, it can generate healthy, productive and low maintenance ecosystems.

Compared to modern centerfire cases used in the strongest types of modern guns, existing rimfire cartridge designs use loads that generate relatively low pressure because of limitations of feasible gun design — the rim has little or no lateral support from the gun.

At such low power densities, the reactor can be designed to lose more heat through its walls than it would generate.

* Distributed active transformer, low voltage transistors used to generate radio frequencies

They still generate low-frequency aliases, but at very low amplitude levels, so as not to cause a problem.

Kahoolawe is relatively dry ( average annual rainfall is less than ) because the island's low elevation fails to generate much orographic precipitation from the northeastern trade winds, and Kahoolawe is located in the rain shadow of eastern Maui's high volcano, Haleakalā.

Before the introduction of solid-state electronics, equipment used valves ( vacuum tubes ) which required high voltages ; power supplies used step-up transformers, rectifiers, and filters to generate one or more direct voltages of some hundreds of volts, and a low alternating voltage for filaments.

These organs make up four-fifths of its body, and are what give the electric eel the ability to generate two types of electric organ discharges ( EODs ): low voltage and high voltage.

They sometimes generate short ( 0. 4 seconds ) powerful, low frequency vocalizations that resemble a human moan.

The Cycloturbine also has the advantage of being able to self start, by pitching the " downwind moving " blade flat to the wind to generate drag and start the turbine spinning at a low speed.

Smaller, low airspeed models may generate as little as 400 watts.

At low speeds an aircraft has to generate lift with a higher angle of attack, thereby leading to greater induced drag.