Adding sine waves

7961 best questions for Adding sine waves

We've collected 7961 best questions in the «Adding sine waves» category so you can quickly find the answer to your question!



Those interested in the Adding sine waves category often ask the following questions:

☑️ Are sound waves always sine waves?

In general, sound waves are not sinusoidal.

☑️ Are sine waves transverse?

Probably the simplest kind of wave is a transverse sinusoidal wave in a one-dimensional string. Because the oscillation is harmonic, the displacement as a function of time is a sine function, with an amplitude (maximum displacement)A and a period (time between maxima) T…

☑️ Are all waves made of sine waves?

All waves can be made by adding up sine waves. The sine wave has a pattern that repeats. The length of this repeating piece of the sine wave is called the wavelength.

☑️ Do sine waves have harmonics?

A harmonic is an additional frequency created by the wave. The sine waveform is unique in that it doesn't have any additional harmonics; it is the fundamental waveform.

☑️ How are sine waves related to the sine curve?

  • Sine waves have the shape of sine curve. The X-axis of the sine curve represents the time. The Y-axis of the sine curve represents the amplitude of the sine wave. The amplitude of the sine wave at any point in Y is proportional to the sine of a variable. The sine curve goes through origin.

Top video from Adding sine waves

We’ve collected for you several video answers to questions from the «Adding sine waves» category:

Video answer: Waves: light, sound, and the nature of reality

Waves: light, sound, and the nature of reality

Video answer: What are waves? (oscillations – waves – physics)

What are waves? (oscillations – waves – physics)

Video answer: Cycles n' sine waves

Cycles n' sine waves

Video answer: Form of waves in electronics sine_square_triangle_sawtooth_oscilloscope

Form of waves in electronics sine_square_triangle_sawtooth_oscilloscope

Top 7941 questions from Adding sine waves

We’ve collected for you 7941 similar questions from the «Adding sine waves» category:

Can a trig identity have clean sine waves?

  • If you want high precision, you can use a trig identities to have both a small LUT, and clean sine waves.

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Are there any pure sine waves in nature?

  • In other words, it's absurd to say that there are no pure sinusoids in nature (ignoring the philosophical quagmire of what's unnatural). Also, yes, sine waves also help us understand more complex phenomena. A slightly ontological answer which ends up as "pick your poison" without needing quantum stuff.

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How are pure sine waves used in pwm?

  • The PWM technique involves generation of a digital waveform, for which the duty- cycle is modulated such that the average voltage of the waveform corresponds to a pure sine wave. The simplest way of producing the PWM signal is through comparison of a low-power reference sine wave with a triangle wave (figure 7).

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How many sine waves in a square wave?


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How are sine waves used in signal processing?

  • Fourier used it as an analytical tool in the study of waves and heat flow. It is frequently used in signal processing and the statistical analysis of time series . Since sine waves propagate without changing form in distributed linear systems, they are often used to analyze wave propagation.

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How are horizontal and vertical sine waves related?

  • A horizontal and vertical "spring" combine to give circular motion. Most textbooks draw the circle and try to extract the sine, but I prefer to build up: start with pure horizontal or vertical motion and add in the other. A few insights I missed when first learning sine: Sine wiggles in one dimension. Really.

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How are sine waves used in market analysis?

  • We can use the sine wave to determine if the market is trending and it can help identify possible shifts in trend. The Mesa Sine Wave indicator uses two sine waves, one ‘normal’ sine wave as well as a wave that’s advanced by a 45 degree angle, called the “lead wave.”

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When do sine waves travel through a medium?

  • This sine wave pattern continues to move in uninterrupted fashion until it encounters another wave along the medium or until it encounters a boundary with another medium. This type of wave pattern that is seen traveling through a medium is sometimes referred to as a traveling wave.

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How are sine waves different from linear motion?

  • Let's explore the differences with video: Linear motion is constant: we go a set speed and turn around instantly. It's the unnatural motion in the robot dance (notice the linear bounce with no slowdown vs. the strobing effect). Sine changes its speed: it starts fast, slows down, stops, and speeds up again.

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How are sine waves related to mathematical trivia?

  • The goal is to move sine from some mathematical trivia ("part of a circle") to its own shape: Sine is a smooth, swaying motion between min (-1) and max (1). Mathematically, you're accelerating opposite your position. Sine happens to appear in circles and triangles (and springs, pendulums, vibrations, sound...).

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Why are sine waves used in electrical tests?

  • A pure sine wave is an useful test signal because it has a special property, it contains only energy at a single frequency, while other waveforms contain energy on multiple frequencies. So depending on what is being tested, a sine wave or other waveforms may be used.

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Why do sine and square waves sound different?

A square wave is the result of the addition of a multitude of sine waves of different frequencies (the extra frequencies are called harmonics), each at a particular amplitude. It is the specific collection of harmonics that makes the difference in the sound when an oboe and a piano play the same note.

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How many sine waves can ring modulation produce?

  • Therefore, ring modulation of two sine waves having frequencies of 1,500 Hz and 400 Hz, would produce two signals: one at 1,900 Hz, and one at 1,100 Hz. If one of the original signals, for example the 400 Hz, was a square wave, however the output would be quite different.

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How are pwm signals converted to sine waves?

  • 2. DC voltage is inverted with sine wave PWM, then filtered with lowpass LC filter, then a classical step up transformer. Just a small addition to the answer by Andy. If you carefully craft the PWM waveform it's possible to move the energy in the harmonics to higher frequencies to make them easier to filter out.

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How to create sine waves with low distortion?

  • The key to creating a low distortion sine wave is the selection of number, sequence, and pattern of pulses. Prolific engineer and writer, Don Lancaster developed a mathematical technique to determine the number of pulses and their durations to create a sine wave with minimum harmonic distortion. It’s called magic sine waves.

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How are sine waves used in additive synthesis?

  • Additive synthesis is the process of adding sine waves together to synthesize new timbres. It’s a good place to dive in because it’s surprisingly easy to understand. Additive synthesis is based on the principle that any sound can be expressed as a sum of simple sine waves.

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Why are sine waves so used and important?

  • Why are Sine Waves So Used and Important? Sine waves are so important and so studied because the sine wave is the most basic and the most common waveform for AC Signal variations. A rotary generator is a very important device that allows us to have electricity in our homes.

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How to make a square wave with sine waves?

  • from there I have to create sine waves of the fundamental and odd harmonics to make up a square wave. im not sure how to do this. I have this formula: Vsin (2 (pi)ft) + v/3sin (6 (pi)ft) + v/5sin (10 (pi)ft) and so on for about ten harmonics.

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How do you plot two sine waves in matlab?

  1. %% generate and plot 2 sin(wt)
  2. %% f= 40 Hz.
  3. f =40 ; % Sinusoid freuqncy.
  4. T=1/f; % Cycle durtation.
  5. fs=50*f; % Sampling frequency.
  6. dt=1/fs; % Sampling interval.
  7. t=0:dt:2*T-dt; % Time vector for 2 cycles.
  8. signal=2*sin(2*pi*f*t); % The required signal.

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What do you need to know about sine waves?

  • The goal is to move sine from some mathematical trivia ("part of a circle") to its own shape: Sine is a smooth, swaying motion between min (-1) and max (1). Sine happens to appear in circles and triangles (and springs, pendulums, vibrations, sound...). Pi is the time from neutral to neutral in sin(x).

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How many times does air pressure cycle sine waves?

  • For very pure single tones, a plot of air pressure against time would show them to be sine waves. For audio tones like this, pressure is cycling hundreds or thousands of times per second. The electrical power in your house is AC or Alternating Current. The direction of current flow reverses 50 or 60 times per second depending on where you live.

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How are sine waves separated in a wave pool?

  • Suppose I have a wave pool with two sources, A and B. The two sources both produce sine waves of the same frequency, and the sources are separated by a distance of the period of the wave. So they will make an interference pattern on the surface of the pond (or if they are light waves, an interference pattern of light).

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What is the phase difference between two sine waves?

The phase difference between two sine waves. The left is a 90° phase difference; the right is a 180° difference. “90 degrees out of phase” means when one wave is at zero, the other will be at its peak (see Figure 1.6.) In other words, when the green wave is at 0° phase, the blue wave is at 90°.

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Why are transverse waves called sine or cosine curves?

  • Waves come in two varieties. In a longitudinal wave the oscillating disturbance is parallel to the direction of propagation. A simple transverse wave can be represented by a sine or cosine curve, so called because the amplitude of any point on the curve—i.e., its distance from the axis—is proportional to the sine (or cosine) of an angle.

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How to make a sawtooth wave with sine waves?

  • x = sawtooth (t) generates a sawtooth wave with period 2 π for the elements of the time array t. sawtooth is similar to the sine function but creates a sawtooth wave with peaks of –1 and 1. The sawtooth wave is defined to be –1 at multiples of 2 π and to increase linearly with time with a slope of 1/ π at all other times.

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Can all sounds be broken down into sine waves?

This method shows how any complex periodic sound can be analyzed as the sum of many different sine waves of varying frequencies. Sine waves are extremely interesting for this reason. Any musical sound can be decomposed into a series of sine waves and then recreated using those sine waves.

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How many sine waves does an ac generator produce?

  • Most AC generators use either a twelve- or fourteen-pole rotor. Each pair of poles produces one complete sine wave in each winding per revolution. During one revolution, a fourteen-pole rotor will produce seven sine waves. The rotor generates three overlapping sine wave voltage cycles in the stator.

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How many sine waves does the fourier transform use?

These frequencies actually represent the frequencies of the two sine waves which generated the signal. The output of the Fourier transform is nothing more than a frequency domain view of the original time domain signal. For more information and background on the Fourier transform, take a look at this link.

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How do you make circular motion with sine waves?

  • Time for both sine waves: put vertical as "sine" and horizontal as "sine*". And... we have a circle! A horizontal and vertical "spring" combine to give circular motion.

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What is the difference between sine waves and wavelets?

  • Like sine waves, wavelets can be stretched or compressed along their "x" or time axis to cover different frequencies. But unlike sine waves, wavelets can be translated along the time axis of a signal to probe the time variations, because wavelets are of short duration compared with the signals they are used with.

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How is the xr2206 used to generate sine waves?

  • FIGURE 7. The XR-2206 is an older IC that is still available and a great way to generate sine, square, and triangle waves over a wide frequency range. The frequency is set by R and C and is calculated with the expression: The internal oscillator generates a square wave and a triangle wave.

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How do you make an 808 from sine waves?

  • 808s are fundamentally made from sine waves, so the first step is to get Oscillator 1 playing a sine wave. Select “Sin-Square” from the drop-down menu at the top of Oscillator 1. “Sin-Square” highlighted in the drop-down menu for Oscillator 1.

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How can the human ear recognize single sine waves?

  • The human ear can recognize single sine waves as sounding clear because sine waves are representations of a single frequency with no harmonics . To the human ear, a sound that is made of more than one sine wave will have perceptible harmonics; addition of different sine waves results in a different waveform and thus changes the timbre of the sound.

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How many sine waves are in amplitude modulated wave?

  • From equation 3 we can see Amplitude modulated wave is sum of three sine (or) cosine waves. There are three frequencies in amplitude modulated wave f 1, f 2 and f 3 corresponding to ω c, ω c + ω m and ω c – ω m respectively.

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Why do you sample sine wave and not other waves?

Because the laws of basic AC circuit theory only apply to a true sine wave. Other waveforms, such as square or sawtooth, are imperfect recreations of a sine wave with many harmonic frequencies present.

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Why do sine waves sound clear to the human ear?

  • Occurrences. Because of this " head start ", it is often said that the cosine function leads the sine function or the sine lags the cosine. The human ear can recognize single sine waves as sounding clear because sine waves are representations of a single frequency with no harmonics .

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How do you find the sum of two sine waves?

  • When you multiply two sine waves, you end up with the sum and difference frequencies. sin(at)*cos(bt) = [sin(a-b)t + sin(a+b)t]/2. sin(at)*sin(bt) = [cos(a-b)t - cos(a+b)t]/2. So if the input frequency is 600KHz and the local oscillator frequency is 1055kHz, you end up with 455kHz and 1655kHz.

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How are sine and cosine waves used in real life?

  • Sine and cosine waves can be applied to all sinusoid problems of the real-world. By finding a few key points or aspects of the graph, any of the real-life problems we have today can be explained mathematically and much of the vibrations surrounding us can be better understood. "Determining Wave Frequency from a Graph."

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When do you have a full cycle of sine waves?

  • Sine is a gentle back and forth rocking Pi is the time from neutral to max and back to neutral n * Pi (0 * Pi, 1 * pi, 2 * pi, and so on) are the times you are at neutral 2 * Pi, 4 * pi, 6 * pi, etc. are full cycles

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How do you find the relationship between two sine waves?

  • The amount by which one sine wave leads or lags another sine wave is measured in degrees. Refer again to figure 1-18. Observe that wave E2starts 90 later in time than does wave E1. You can also describe this relationship by saying that wave E1leads wave E2by 90, or that wave E2lags wave E1by 90.

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Why are light waves in the form of the sine wave?

  • Light is represented as a sine wave because it's light of a single frequency so it's the simplist thing to draw on paper. Laser light is a single frequency. White light however is light made up of the sum of different wavelengths of light.

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What happens when two sine waves travel in the same medium?

  • Two sine waves travelling in opposite directions create a standing wave. If two sinusoidal waves having the same frequency (and wavelength) and the same amplitude are travelling in opposite directions in the same medium then, using superposition, the net displacement of the medium is the sum of the two waves.

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What is a sine sine wave?

  • The most common AC waveform is known as the sine wave. This wave is called a sine wave because the voltage series or current differs with the elapsed time’s sine. There is the modified sine wave and the true sine wave products.

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Is pwm sine wave pure sine wave?

When it comes to output waveform, there are two types of UPS battery backup—the kind that produce a pure sine wave and the kind that produce a simulated or modified sine wave, also known as a pulse-width modulated (PWM) sine wave, when on battery power.

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What are the advantages of the sine wave compare to other form of waves?

None - except that we have a grasp of the mathematical properties of sine waves. Sine waves seldom occur in nature ... but they often come close enough to be approximated by a sine wave.

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Is a modified sine wave still a sine wave?

What is true sine wave?

  • True Sine Wave: definition & compared to modified sine wave. One way to define a Sine Wave is as a mathematical curve that describes a smooth repetitive oscillation. The two key words which showcase the uniqueness of a sine wave are: Any sine wave is repetitive in nature. After any fixed time period, also called a cycle, it repeats itself.

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Which is better modified sine wave or pure sine wave?

  • Then it’s quite clear that Pure Sine is way more superior than modified sine. It’s better for your devices while the modified sine wears them down quickly. Except for initial cost-cutting, there aren’t any areas where they can compete with pure sine.

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A sine wave output?

  • A sine wave output is the optimum waveform for electronic equipment. The incoming AC line is a sine wave, thus electronic equipment expects to see this type of waveform. A sine wave is the most expensive output form for UPS manufacturers to produce due to more complex circuitry and components.

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Is sine wave stationary?

A perfect sine wave is not a stochastic process. Hence, it can't be stationary or non-stationary. It doesn't have any random parts.

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Definition of sine wave?

A sine wave is the graph of y = sin(x). It demonstrates to cyclic nature of the sine function.

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