Question 1

FFT of a time-domain signal would give

Accepted Answer

A)  magnitude only 
B)  phase only 
C)  both magnitude and phase 
D)  signal to noise ratio 
A)  magnitude only 
B)  phase only 
C)  both magnitude and phase 
D)  signal to noise ratio C

Question 2

Lock-in amplifiers can be used to simultaneously obtain all harmonics.

Accepted Answer

A) True 
 B)False  False

Question 3

Impedance can be measured using

Accepted Answer

A)  Oscilloscope 
B)  Lock-in amplifier 
C)  FFT analyzer 
D)  all of the above 
A)  Oscilloscope 
B)  Lock-in amplifier 
C)  FFT analyzer 
D)  all of the above D

Question 4

Faraday cage is used to

Accepted Answer

A)  minimize the nonlinearity effects 
B)  decrease measurement time 
C)  minimize the effect of external noise 
D)  minimize the instabilities 
A)  minimize the nonlinearity effects 
B)  decrease measurement time 
C)  minimize the effect of external noise 
D)  minimize the instabilities

Question 5

The main purpose of using multi-sine instead of single sine is to ensure

Accepted Answer

A)  linearity 
B)  causality 
C)  stability 
D)  shorter measurement time 
A)  linearity 
B)  causality 
C)  stability 
D)  shorter measurement time

FFT of a time-domain signal would give

Lock-in amplifiers can be used to simultaneously obtain all harmonics.

Impedance can be measured using

Faraday cage is used to

The main purpose of using multi-sine instead of single sine is to ensure

Introduction

Data Validation

Data Analysis Equivalent Electrical Circuits

Mechanistic Analysis

Eis Other Physical Phenomena

Nonlinear Eis

Filters

Exam 2: Experimental Aspects

FFT of a time-domain signal would give

Lock-in amplifiers can be used to simultaneously obtain all harmonics.

Impedance can be measured using

Faraday cage is used to

The main purpose of using multi-sine instead of single sine is to ensure

Introduction

Data Validation

Data Analysis Equivalent Electrical Circuits

Mechanistic Analysis

Eis Other Physical Phenomena

Nonlinear Eis

Filters