CO OZNACZA SŁOWO SQUARE WAVE
Kwadratowa fala
Fala prostokątna jest nie-sinusoidalnym okresowym przebiegiem, w którym amplituda przemienia się ze stałą częstotliwością między stałymi wartościami minimalnymi i maksymalnymi, z tym samym czasem trwania co najmniej i maksymalnie. Przejście od minimum do maksimum jest chwilowe dla idealnej fali prostokątnej; nie jest to możliwe w systemach fizycznych. Fale kwadratowe często spotykają się w elektronice i przetwarzaniu sygnału. Jego stochastyczny odpowiednik to trasa z dwoma państwami. Podobna, choć niekoniecznie symetryczna fala, o dowolnym czasie trwania minimum i maksimum, nazywana jest falą prostokątną.
Definicja słowa square wave w słowniku
Definicja fali prostokątnej w słowniku jest oscylacją, na przykład w impulsie napięciowym, która zmienia się pomiędzy dwiema stałymi wartościami z pomijalnym czasem przejścia między tymi dwoma, dając prostokątny kształt fali.
KSIĄŻKI POWIĄZANE ZE SŁOWEM «SQUARE WAVE»
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1
Square-
Wave Voltammetry: Theory and Application
It is the only book in modern times to deal with this, one of the most advanced electroanalytical techniques.
Valentin Mirceski, Sebojka Komorsky-Lovric, Milivoj Lovric,
2007
2
Introduction to Voltammetric Analysis: Theory and Practice
2.4.1 Square-wave polarography In the original square-wave polarographic
method, the rectangular alternating voltage superimposed on the linear d.c. ramp
potential usually has a frequency of 225 Hz and an amplitude in the range A£ ...
Francis George Thomas, Günter Henze,
2001
3
Signal Integrity: Simplified
2.7 The Spectrum of an Ideal Square Wave An ideal square wave has a zero rise
time, by definition. It is not a real waveform; it is an approximation to the real
world. However, useful insight can be gained by looking at the spectrum of an
ideal ...
Consider, for instance, the detectabil- ity of sine wave and square wave gratings.
The fundamental component of a square wave (see Chapter 1) is a sine wave of
the same frequency but of 4/V ( = 1.27) times the amplitude of the square wave.
Russell L. DeValois, Berkeley Karen K. DeValois both Professors of Psychology University of California,
1988
5
High Frequency Measurements and Noise in Electronic Circuits
The square wave's fundamental is contained in its flat top and bottom, whereas
the harmonics are in the rising and falling edges. Thus, if the high frequency
response of the probe changes, it will only affect the edges of the square wave
and ...
6
Microelectrodes: Theory and Applications: Theory and ...
SQUARE-WAVE AND STAIRCASE VOLTAMMETRY AT SMALL ELECTRODES
Janet Osteryoung Department of Chemistry SUNY University at Buffalo Buffalo,
NY 14214 USA ABSTRACT: Square-wave and staircase voltammetry at small ...
Maria Irene Montenegro, Irene Montenegro, M. Arlete Queirós,
1991
7
Advanced Excel for Scientific Data Analysis
5.2 Square waves and pulses We will now use a square wave, which can be
considered as an infinite set of cosines, ^)8lfHM(2H^H (5.2Q */7=l 2n + l = — <
cos(<y/) — cos(3<y/) +— cos(5<y/) — cos(7<y/) + n \ 3 5 7 In a discrete Fourier ...
8
Modern Polarographic Methods in Analytical Chemistry
8.1 SQDARE-WAVE PDLARDGRAPHY As the name implies, square-wave
poiarography [1] involves the use of a small-amplitude square-wave voltage in
place of the sinusoidal one used in (sinusoidal) ac polarography. Alternating
current ...
9
Visual Perception Part 1: Fundamentals of Vision: Low and ...
(C) Square-wave jerks. (D) Macro square-wave jerks. (E) Ocular flutter. Reprinted
from Leigh and Zee (2006). Courtesy of R. John Leigh. produce square-wave
coupling in normal subjects (Ditchburn and Ginsborg, 1953; Feldon and
Langston, ...
Susana Martinez-Conde, S. Macknik, Maria M. Martinez,
2006
10
Electronics via Waveform Analysis
The positive pulse in the top trace is directly above the negative sloping edge of
the input square wave instead of above the positive slope as it would be if the top
trace was the actual differential of the bottom trace. Notice that the vertical ...
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «SQUARE WAVE»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
square wave w wiadomościach.
Vic research discovers anorexia 'marker'
The square wave jerks, known as saccadic intrusion, were observed during an attempted fixation task during which participants were instructed to fixate on a ... «NEWS.com.au, Sty 15»
Boost and modify square waves: More circuits
In Boost and modify square waves, we covered several methods for conditioning square waves for use with digital signals. In this final installment, we look at 555 ... «EDN.com, Lip 14»
Finding Beauty in the Chaos of Grime's New Wave
The new wave of grime refers to something very specific: an advent in the ... i.e., square wave synth riddims, heavy-as-concrete gunshot funk, and a blissfully ... «Noisey, Cze 14»
High efficiency transfection of embryonic limb mesenchyme with …
Here, we describe a novel method in which square wave pulse electroporation of chick embryo wing bud mesenchyme suspended in protective sucrose buffer ... «BioTechniques.com, Lut 14»
The rise of vinyl and why records sound 'warm'
As humans listening, we do not like square waves,” says renowned producer/mastering engineer Peter J. Moore, known for his legendary one-microphone ... «Toronto Star, Sty 14»
Rule of Thumb #1: Bandwidth of a signal from its rise time
Bandwidth is the highest sine wave frequency component that is significant in a ... The spectrum of an ideal 50% duty cycle square wave, with 0 psec rise time, ... «EDN.com, Lis 13»
Blink on Square Wave Festival, Puppies + More
Blink has just announced the details of an electronic music festival, Square Wave, that will take place this November across eight venues in five cities and ... «Undertheradar, Wrz 13»
Music Components in Java: Creating Oscillators
A square wave , unlike a sine wave, contains odd harmonics (which are integer multiples of the fundamental frequency) which gives it more harmonic complexity ... «Dr. Dobb's, Cze 11»
DIY Electric Motorcycle Makes a Run at Green Grand Prix
The two guys, who call themselves Square Wave Racing, got together three months ago and they've built the SWR1 in record time. Wild is a vintage motorcycle ... «Wired, Maj 10»
Square alarm tones could save more lives
Unlike the pure tone of the current high-pitched alarm, the lower-pitched alarm was a square wave signal, which carries a number of frequencies along with the ... «ABC Online, Paz 08»