Tuesday, August 31, 2010

E.

When noise affects encoder signal , what should be done?

8 comments:

  1. By setting the maximum allowable countable frequency.

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  2. differential encoder which passes the information as difference betwn to signal levels rather than as voltage level referenced to gnd can be used to minimise the noise effects on the signal

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  3. Noise can be removed using spectral editing tools, which works in time-frequency domain.

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  4. It can be reduced by comparing the signals with 'differential line reciever'.

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  5. One way to minimize such noise effects is with differential encoders.each encoder channel signal is transmitted to the digital servocontroller over two wires. Position information is transmitted as the difference between the two signal levels rather than as a voltage level referenced to ground.

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  6. differential encoders are used to reduce such problems.....like noise

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  7. The noise in encoder signal can be reduced by using differential encoders.

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  8. Generally the larger the signal power, the stronger the noise source becomes. We can frame grounds to check the effect of electromagnetic waves, electromagnetic induction, and electrostatic coupling.

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