Jens Havskov

(Author)

Instrumentation in Earthquake Seismology (Softcover Reprint of the Original 2nd 2016)Paperback - Softcover Reprint of the Original 2nd 2016, 23 August 2016

Instrumentation in Earthquake Seismology (Softcover Reprint of the Original 2nd 2016)
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Print Length
413 pages
Language
English
Publisher
Springer
Date Published
23 Aug 2016
ISBN-10
3319330705
ISBN-13
9783319330709

Description

CHAPTER 1 Introduction

1.1 Sensor

1.2 Recorder

1.3 Stations and networks

1.4 Arrays

1.5 Instrument correction and calibration

CHAPTER 2 Seismic sensors

2.1 The standard inertia seismometer

2.2 Seismometer frequency response

2.3 Seismometer frequency response, alternative solution

2.4 The velocity transducer

2.4.1 Electromagnetic damping

2.4.2 Polarity convention

2.5 Instrument response curves, different representation

2.6 Sensor response to transient signals

2.7 Damping constant

2.8 Construction of seismic sensors

2.8.1 The Wood Anderson short period torsion sensor

2.8.2 Long period sensors

2.8.3 Garden-gate

2.8.4 Inverted pendulum

2.8.5 LaCoste

2.8.6 Rotational seismometer

2.9 Sensor calibration coil

2.10 Active sensors

2.11 Accelerometers

2.12 Velocity broadband sensors

2.13 Extending the frequency response, inverse filtering and feed back

2.14 Theoretical aspects of active sensors

2.14.1 General response of a feedback system

2.14.2 The basic Force-Balanced Accelerometer

2.14.3 Broadband feedback seismometers

2.14.4 Servo velocity sensors

2.14.5 Other feedback techniques

2.15 Sensor self noise

2.16 Noise in passive sensors coupled to amplifiers, theoretical aspects

2.17 Some new trends in seismic sensors

2.17.1 Seismometers with electrochemical transducers

2.17.2 Micromachined accelerometers and seismometers

2.17.3 Piezoelectric sensors

2.18 Sensor parameters

2.18.1 Frequency response

2.18.2 Sensitivity

2.18.3 Sensor dynamic range

2.18.4 Sensor linearity

2.18.5 Sensor cross axis sensitivity

2.18.6 Sensor gain and output

2.18.7 Sensor adjustments

2.19 Examples of sensors

2.19.1 Exploration type 4.5 Hz geophone

2.19.2 Short period sensorS

2.19.3 Accelerometer, the Kinemetrics Episensor

2.19.4 Broadband sensors

2.19.5 Negative feedback sensors, Lennartz LE-3D

2.19.6 Borehole sensors

2.20 Summary of sensor specifications

2.21 Which sensor to choose

CHAPTER 3 Seismic noise

3.1 Observation of noise

3.2 Noise spectra

3.3 Relating power spectra to amplitude measurements

3.4 Origin of seismic noise

CHAPTER 4 Analog to digital converter

4.1 Example of a simple analog to digital converter, the Flash ADC

4.2 Basic ADC properties

4.3 A typical ADC, the ramp ADC

4.4 Multi channel ADC

4.5 Digitizers for a higher dynamic range

4.6 Oversampling for improvement of the dynamic range

4.7 Sigma Delta ADC, SDADC

4.7.1 How sigma-delta improves digitization noise: theory

4.8 Aliasing

4.9 Anti alias filters

4.10 Dynamic range, different definitions

4.11 Examples of digitizers

CHAPTER 5 Seismic Recorders

5.1 Analog amplifier

5.1.1 Differential input-output

5.2 Analog filters

5.2.1 Amplifier specifications and noise

5.3 Analog recording

5.4 Introduction to digital recorders

5.5 Digitizing

5.6 Time stamping of data

Product Details

Authors:
Jens HavskovGerardo Alguacil
Book Edition:
Softcover Reprint of the Original 2nd 2016
Book Format:
Paperback
Country of Origin:
NL
Date Published:
23 August 2016
Dimensions:
23.39 x 15.6 x 2.24 cm
ISBN-10:
3319330705
ISBN-13:
9783319330709
Language:
English
Location:
Cham
Pages:
413
Publisher:
Weight:
603.28 gm

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