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Envelope detectors are preferred in amplitude modulation (AM) due to their simplicity and lower cost. They require less complex circuitry and are easier to implement, making them ideal for many practical applications. In contrast, synchronous detectors need a local oscillator and precise phase alignment, which can increase complexity and cost. Additionally, envelope detectors can still function effectively in the presence of noise, making them suitable for many real-world scenarios.
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What is the effect of time constant in envelope detector?
The time constant in an envelope detector affects the speed at which the detector can track changes in the input signal. A longer time constant results in smoother output but slower response to changes, while a shorter time constant provides faster response but may introduce more noise in the output signal. Balancing the time constant is important for optimizing the performance of the envelope detector.
What is synchronous machein?
mainly alternator,synchronous motor comes under the synchronous machine.a synchronous motor is not a self starting motor.if a synchronous motor moves with more than synchronous speed then it acts as a synchronous generator.
What is difference between synchronous detection and envelop detection?
Synchronous detection, also known as coherent detection, involves multiplying the incoming signal with a reference signal that is phase-aligned, allowing for accurate recovery of the signal even in the presence of noise. Envelop detection, on the other hand, is a simpler method primarily used for amplitude modulation (AM) signals, where the envelope of the modulated signal is extracted to retrieve the original message. While synchronous detection is more complex and effective in various conditions, envelope detection is easier to implement and is often used in applications where precise phase information is not critical.
Why is the speed of synchronous motor is more then induction motor?
Synchronous motors run at synchronous speed. An induction motor that has the same number of poles must run at a sub-synchronous speed to create a second magnetic field (a field that is at a different phase angle) to generate torque.
Why the synchronous modems are more costly than the asynchronous modems?
Because they contain clock recovery circuits
What is the difference synchronous buses and non synchronous buses?
Synchronous buses use a clock signal to synchronize data transfers between components, ensuring that data is transferred at a predictable rate. Non-synchronous buses transfer data without a clock signal and rely on other mechanisms to coordinate data transmission. Synchronous buses are generally faster and more efficient but can be more complex to design and implement compared to non-synchronous buses.
Does it cost more to mail a square envelope?
Yes it does. It is .20 cents more for a square envelope. You can look it up on usps.com. Right now it's .65 cents to mail a square envelope.
What is laser smoke detector?
This type of smoke detector is more sensitive. It uses a laser diode in the sensor instead of an LED which allows it to be much more sensitive.
What is photo detector?
A photo detector is a sensor of light or other electromagnetic energy. See the link below for more info.
A person who is prefer the most is called?
if the person is prefered more then you really popular. or really hotter then you!!
Who prefered the musket more in the Civil War the South or the North?
both side wanted the musket.
Why C prefered more vb.net in asp.net?
Just a little bit more things on it it just is a different language then VB.Net.
