You are looking at 1-20 of 575 entries  for:

  • Type: Subject Reference x
  • Engineering and Technology x
  • Results with images only x
clear all

View:

absolute encoder

absolute encoder   Quick reference

A Dictionary of Mechanical Engineering

Reference type:
Subject Reference
Current Version:
2013
Subject:
Science and technology, Engineering and Technology
Length:
82 words
Illustration(s):
1

A device which provides a continuous digital output representing angle or position. The output is normally obtained from a number

Ackerman linkage

Ackerman linkage   Quick reference

A Dictionary of Mechanical Engineering

Reference type:
Subject Reference
Current Version:
2013
Subject:
Science and technology, Engineering and Technology
Length:
50 words
Illustration(s):
1

A steering linkage on a motor vehicle that approximately gives rolling without slipping of both wheels about the turning point.

activation energy

activation energy   Quick reference

A Dictionary of Chemical Engineering

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Engineering and Technology
Length:
85 words
Illustration(s):
1

The minimum energy required to activate one mole of a substance to cause a *chemical reaction to take place.

active earth pressure

active earth pressure   Quick reference

A Dictionary of Construction, Surveying and Civil Engineering

Reference type:
Subject Reference
Current Version:
2013
Subject:
Science and technology, Engineering and Technology
Length:
86 words
Illustration(s):
1

The horizontal pressure that is exerted on a retaining wall by the mass of soil it retains. Active pressure develops

adaptive control system

adaptive control system   Quick reference

A Dictionary of Electronics and Electrical Engineering (5 ed.)

Reference type:
Subject Reference
Current Version:
2018
Subject:
Science and technology, Engineering and Technology
Length:
77 words
Illustration(s):
1

A *control system in which the controller has adjustable *parameters and a mechanism for adjusting the parameters. The

aerofoil

aerofoil   Quick reference

A Dictionary of Mechanical Engineering

Reference type:
Subject Reference
Current Version:
2013
Subject:
Science and technology, Engineering and Technology
Length:
180 words
Illustration(s):
1

A structure, the shape of which gives rise to lower pressures on one side (suction surface) compared with

afterburner

afterburner   Quick reference

A Dictionary of Mechanical Engineering

Reference type:
Subject Reference
Current Version:
2013
Subject:
Science and technology, Engineering and Technology
Length:
34 words
Illustration(s):
1

An extension of the exhaust of a turbofan or turbojet engine into which additional fuel is injected and burned to

air bridge

air bridge   Quick reference

A Dictionary of Electronics and Electrical Engineering (5 ed.)

Reference type:
Subject Reference
Current Version:
2018
Subject:
Science and technology, Engineering and Technology
Length:
184 words
Illustration(s):
1

A method of forming interconnections or *crossovers in MMICs (*monolithic microwave integrated circuits). The bridge consists

AM detector

AM detector   Quick reference

A Dictionary of Electronics and Electrical Engineering (5 ed.)

Reference type:
Subject Reference
Current Version:
2018
Subject:
Science and technology, Engineering and Technology
Length:
67 words
Illustration(s):
1

An older term for the earlier type of *amplitude demodulator. The simplest form is known as a *

Ampere’s law

Ampere’s law   Quick reference

A Dictionary of Electronics and Electrical Engineering (5 ed.)

Reference type:
Subject Reference
Current Version:
2018
Subject:
Science and technology, Engineering and Technology
Length:
299 words
Illustration(s):
1

1. (Ampere–Laplace law) The force between two parallel current-carrying conductors in free space is given by

dF

amplitude modulation

amplitude modulation   Quick reference

A Dictionary of Electronics and Electrical Engineering (5 ed.)

Reference type:
Subject Reference
Current Version:
2018
Subject:
Science and technology, Engineering and Technology
Length:
673 words
Illustration(s):
2

A type of *modulation in which the amplitude of the *carrier wave is varied above and below its

analogue-to-digital converter

analogue-to-digital converter   Quick reference

A Dictionary of Electronics and Electrical Engineering (5 ed.)

Reference type:
Subject Reference
Current Version:
2018
Subject:
Science and technology, Engineering and Technology
Length:
173 words
Illustration(s):
1

A device/circuit/IC that converts a continuous *analogue signal into a discrete *binary signal. There are many forms

Anderson bridge

Anderson bridge   Quick reference

A Dictionary of Electronics and Electrical Engineering (5 ed.)

Reference type:
Subject Reference
Current Version:
2018
Subject:
Science and technology, Engineering and Technology
Length:
69 words
Illustration(s):
1

A *bridge, modified from the *Maxwell bridge, in which an inductance, L, is compared with

angle of friction

angle of friction   Quick reference

A Dictionary of Construction, Surveying and Civil Engineering

Reference type:
Subject Reference
Current Version:
2013
Subject:
Science and technology, Engineering and Technology
Length:
36 words
Illustration(s):
1

Ratio between the shear stress and normal stress at failure, originally proposed by Coulomb in 1773:

antenna pattern

antenna pattern   Quick reference

A Dictionary of Electronics and Electrical Engineering (5 ed.)

Reference type:
Subject Reference
Current Version:
2018
Subject:
Science and technology, Engineering and Technology
Length:
218 words
Illustration(s):
1

A diagram that represents the distribution of radiation in space from any source, such as a transmitting *antenna,

anti-backlash gear

anti-backlash gear   Quick reference

A Dictionary of Mechanical Engineering

Reference type:
Subject Reference
Current Version:
2013
Subject:
Science and technology, Engineering and Technology
Length:
70 words
Illustration(s):
1

A gear arrangement in which backlash is reduced or eliminated. The diagram shows a double (split) gear, one part of

antiferromagnetism

antiferromagnetism   Quick reference

A Dictionary of Electronics and Electrical Engineering (5 ed.)

Reference type:
Subject Reference
Current Version:
2018
Subject:
Science and technology, Engineering and Technology
Length:
570 words
Illustration(s):
4

An effect observed in certain solids whose magnetic properties change at a certain characteristic temperature, T N, known as

approach vector

approach vector   Quick reference

A Dictionary of Mechanical Engineering

Reference type:
Subject Reference
Current Version:
2013
Subject:
Science and technology, Engineering and Technology
Length:
77 words
Illustration(s):
1

In the kinematic analysis of robots, a 4×4 matrix is obtained representing the position and direction of the end effector

Argand diagram

Argand diagram   Quick reference

A Dictionary of Chemical Engineering

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Engineering and Technology
Length:
74 words
Illustration(s):
1

A graphical way of representing complex numbers in the form z=x+jy in which real and

articulated robot

articulated robot   Quick reference

A Dictionary of Mechanical Engineering

Reference type:
Subject Reference
Current Version:
2013
Subject:
Science and technology, Engineering and Technology
Length:
65 words
Illustration(s):
1

A robot having a rotational waist joint, joint angle θ 1, with a vertical axis; a rotational shoulder joint

View: