Dynamic Signal Analysis

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REPORT #2

ME

Dynamics and Signal Analysis

Laboratory Number 2:

Aliasing

Submitted by:

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Submitted to:

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ABSTRACT

The purpose of this experiment is to demonstrate how the sampling rate of a signal analyzer can affect the resulting frequency domain output and find the relationships between sampling frequency ,source frequency and displayed frequency.

TABLE OF CONTENTS

ABSTRACT        

LIST OF FIGURES AND TABLES        

INTRODUCTION        

Purpose        

RESULTS AND DISCUSSION        

Discussion 1 - Sampling Frequency (Step 1-7)        

Discussion 2 - Relationships between sampling and display frequency (step 8-10)        

CONCLUSIONS        

REFERENCES        

LIST OF FIGURES AND TABLES

Figure 1 - source frequency with frequency domain                                            6

Figure 2 - source frequency with time domain                                                6

Figure 3 - aliasing appears                                                                7

Figure 4 - sampling frequency                                                             8

Figure 5 - display frequency of 300KHz source frequency                                       9

Figure 6 - fold back diagram                                                             10

Table 1 - comparison of display and source frequency                                          8

INTRODUCTION

The purpose of this experiment is to demonstrate how the sampling rate of a signal analyzer can affect the resulting frequency domain output. The equipment use in this experiment is HP 35665A or 35670A Dynamic signal Analyzer, HP3314A(or other) Function Generator with digital readout and Male to Male BNC Shielded Cable.