Pulse width and bandwidth relation

The bandwidth is roughly proportional to the amount of information carried by the signal. To detect a rectangle pulse with the Fast Fourier Transformation (FFT) the bandwidth of the receiver is equal to the highest sine wave frequency component that is significant.
...
Bandwidth.

1. How is pulse width related to bandwidth?
2. How is pulse duration related to bandwidth?
3. What happens when you increase the width of a pulse?
4. What is the bandwidth of a pulsed signal?
5. What is pulse width formula?
6. Does frequency affect pulse width?
7. Are pulse width and duration the same?
8. Does pulse length affect speed?
9. What is pulse width duration?
10. What does pulse width control?
11. What causes pulse broadening?
12. How does pulse width affect range resolution?
13. What does pulse width do?
14. When channel bandwidth is greater than the pulse bandwidth it causes *?
15. How does bandwidth affect radar?
16. What does pulse width control?
17. Does pulse width affect wave speed?
18. What is a normal pulse width?
19. What is pulse width of a wave?

How is pulse width related to bandwidth?

For example, if the width is reduced by 2, it's bandwidth increases by two. Whether it is the baseband or passband, this higher bandwidth is reflected when the pulse width is decreased. This simply follows from the inverse relationship between time and frequency for a given signal.

How is pulse duration related to bandwidth?

The product of pulse duration and spectral bandwidth is called the time–bandwidth product. Typically, it is calculated using FWHM values of duration and bandwidth (see above). It can not be significantly smaller than ≈ 0.3, depending on the pulse shape and the exact definition of pulse duration and bandwidth.

What happens when you increase the width of a pulse?

Increasing the pulse width increases the amount of energy reflected off the target and thereby increases the range at which an object can be detected. Radars measure range based on the time between transmission and reception, and the resolution of that measurement is a function of the length of the received pulse.

What is the bandwidth of a pulsed signal?

The Rayleigh bandwidth of a simple radar pulse is defined as the inverse of its duration. For example, a one-microsecond pulse has a Rayleigh bandwidth of one megahertz. The essential bandwidth is defined as the portion of a signal spectrum in the frequency domain which contains most of the energy of the signal.

What is pulse width formula?

You can calculate the pulse width by multiplying the period of the Source signal by the number of edges returned by the counter.

Does frequency affect pulse width?

Since frequency is a primary component of the PWM technique, it is understandable that frequency affects PWM's ability to exert control within an application. Therefore, the square wave frequency does need to be sufficiently high enough if controlling LEDs, for example, to get the proper dimming effect.

Are pulse width and duration the same?

Pulse Width ( [ s ]) A measure of the time between the beginning and end of the pulse, typically based on the full width half maximum (FWHM) of the pulse shape. Also called pulse duration.

Does pulse length affect speed?

The speed of a pulse doesn't change because of the amplitude, length, and pulse width. The pulse speed remains constant due to a change in the width or length of the pulse.

What is pulse width duration?

2.3.

Pulse width (duration) τ is given by the temporal length of laser pulse; that is, the time during which the laser actually emits energy. In medical applications of the laser, it is the total time period in which the radiation interacts with tissue.

What does pulse width control?

Pulse-width modulation (PWM) is a powerful technique for controlling analog circuits with a microcontroller's digital outputs. PWM is used in many applications, ranging from communications to power control and conversion.

What causes pulse broadening?

The frequency dependence of the effective mode index causes frequency dependent group velocity or group velocity dispersion. Different spectral components of a pulse travel at different velocity which leads to pulse broadening.

How does pulse width affect range resolution?

As such, pulse width affects two very important radar system capabilities -- resolution and detection range. These two qualities trade off against each other. Wider pulse longer-range radars offer less resolution, whereas narrow pulse shorter range radar have finer resolution.

What does pulse width do?

Pulse width modulation turns a digital signal into an analog signal by changing the timing of how long it stays on and off. The term “duty cycle” is used to describe the percentage or ratio of how long it stays on compared to when it turns off.

When channel bandwidth is greater than the pulse bandwidth it causes *?

Explanation: When channel bandwidth is greater than pulse bandwidth, the signal widens and expands exceeding the symbol duration which causes intersymbol interference.

How does bandwidth affect radar?

In a Radar receiver the bandwidth is mostly determined by the IF filter stages. The receiver must be able to process the signal bandwidth of the backscattered pulse. The wider the bandwidth, the greater the degree of noise that will be input to the receiver.

What does pulse width control?

Pulse-width modulation (PWM) is a powerful technique for controlling analog circuits with a microcontroller's digital outputs. PWM is used in many applications, ranging from communications to power control and conversion.

Does pulse width affect wave speed?

The speed of the wave doesn't change by an increase or decrease in the wavelength or frequency of the wave. The speed of a pulse doesn't change because of the amplitude, length, and pulse width.

What is a normal pulse width?

Injector pulse width is the amount of time, measured in milliseconds (ms), that a fuel injector stays open (delivers fuel) during a cylinder intake cycle. The typical injector pulse width for an idling engine at normal operating temperature is between 2.5 and 3.5 ms.

What is pulse width of a wave?

Definition : Pulse width, tp, is the time difference between the 50% amplitudes of the rising and falling edges. Overshoot occurs on rising and falling edges when the waveform exceeds the desired value. Ringing occurs on rising and falling edges when the waveform alternates about the desired value.