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上传时间: 2008-02-15
详细说明： • The principles of sampling, especially the benefits of coherent sampling
• How to apply sampling principles in a test situation to digitize an analog signal with a
waveform digitizer or an ADC
• How analog signals can be created from a set of digitized samples
• How a continuous signal can be sampled
• The basic capabilities of different Fourier transform algorithms
• The results obtained from digitizing a sample set utilizing Fourier transforms
• Inverse Fourier t ransformation and how it can be used to create a sample set, which
can be used to create a complex waveform
• How to generate an analog signal by applying sampling principles
• How sampling a single frequency can represent more than one set of frequencies,
which can corrupt sampled data
• How to prevent spectral replication/aliasing
• sin(x)/x amplitude errors
• The causes of and how to prevent spectral leakage
• How windowing functions can minimize leakage ...展开收缩
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