Seeking a filter for an eMac display

Hello. I'm looking for an anti-radiation, anti-glare filter for the display/monitor of an eMac computer. Would anyone be able to suggest products and vendors? No store in my town seems to sell filters for CRT displays any more. Thanks.

The problem is really that you have introduced those resonances. What if the resonance happens to be at the same frequency as your desired signal? Then the resonance may get so large as to destroy the accelerometer! If the frequencies are close but not exactly the same, it becomes difficult to design a fliter which can adequately separate the signals without too much error on the desired signal.
The best solution is to modify the metal surface or the attachment method so that the resonance does not occur or else occurs at a frequency far removed form the desired signal frequency.
If that is not a possibility, consider adding a second accelerometer mounted in such a manner that it does not respond to the resonances but does respond to the frequency of the desired signal. Even if the second accelerometer does not accurately measure the amplitude of the acceleration due to its position, it may permit determination of the signal frequency.  
Remember, the device you are measuring is likely also experiencing accelerations due to the resonances, so you may need to measure them.
Lynn

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