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<p>some <a href="page.php?w=Nyquist_frequency">bandwidth</a> and <a href="page.php?w=dynamic_range">dynamic range</a> constraints on the representation and adds <a href="page.php?w=quantization_noise">quantization noise</a>.</p>

<p>The term analog signal usually refers to <a href="page.php?w=electrical">electrical</a> signals; however, <a href="page.php?w=Classical_mechanics">mechanical</a>, <a href="page.php?w=pneumatic">pneumatic</a>, <a href="page.php?w=hydraulic">hydraulic</a>, and other systems may also convey or be considered analog signals.</p><p>
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<a accesskey="3" href="page.php?w=Analog_signal&amp;p=4">3.Next</a>
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