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Produktbild: Reception of Weak Radio Signals from Space

Reception of Weak Radio Signals from Space

Fr. 163.00

inkl. gesetzl. MwSt., Versandkostenfrei

Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

26.08.2025

Verlag

Wiley

Seitenzahl

240

Maße (L/B/H)

22.9/15.2/1.4 cm

Gewicht

494 g

Sprache

Englisch

ISBN

978-1-394-29273-8

Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

26.08.2025

Verlag

Wiley

Seitenzahl

240

Maße (L/B/H)

22.9/15.2/1.4 cm

Gewicht

494 g

Sprache

Englisch

ISBN

978-1-394-29273-8

Herstelleradresse

Libri GmbH
Europaallee 1
36244 Bad Hersfeld
DE

Email: gpsr@libri.de

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  • Produktbild: Reception of Weak Radio Signals from Space

  • List of Symbols ix

    List of Abbreviations xv

    Preface xix

    Acknowledgments xxv

    1 Thermal Noise 1

    Reference 3

    2 Properties of Antennas 5

    2.1 Absolute Black-Body Radiation 5

    2.2 Brightness and Noise Temperature of Antennas 6

    2.3 Near Field and Far Field 8

    2.4 Directivity and Antenna Gain 10

    2.5 Polarization 12

    References 14

    3 Two-Port Network Noise Figure and Equivalent Noise Temperature 15

    3.1 Noise Figure of Radio Frequency Attenuator 16

    3.2 Noise Bandwidth 17

    3.3 System Noise Temperature 17

    3.4 Figure of Merit G/T 18

    References 19

    4 Communication Equation 21

    References 23

    5 Wave Propagation 25

    5.1 Free Space Wave Propagation 25

    5.2 Influence of the Atmosphere 26

    5.2.1 Precipitation Cloud in Front of Antenna 26

    5.2.2 Ionosphere Influence 28

    5.3 Wave Propagation by Reflection 30

    References 31

    6 Measuring the Figure of Merit G/T of the Receiving System 33

    6.1 Y-Factor 33

    6.2 Measuring G/T Using the Moon 36

    6.3 Measuring G/T Using the Sun 40

    6.4 Measuring G/T Using Other Space Objects 48

    References 49

    7 Parabolic Antennas 51

    7.1 Reflector Geometry and Its Irradiation 51

    7.1.1 Antenna with Rotationally Symmetric Reflector 52

    7.1.2 Antenna with Offset Reflector 53

    7.1.3 Antennas with Dual Optics 55

    7.1.4 Accuracy of Parabolic Reflectors 56

    7.2 Feeds 56

    7.2.1 Open Circular Waveguide in 10 GHz Band 58

    7.2.2 Open Circular Waveguide with Simple Choke 59

    7.2.3 Scalar Feed 61

    7.2.4 Horn with Rings 62

    7.2.5 Horn for 10 GHz and Offset Reflector with f /d = 0.8 63

    7.2.6 Horn for 24 GHz and Offset Reflector with f /d = 0.8 64

    7.2.7 Horn for 24 GHz and Offset Reflector with f /d = 0.6 66

    7.2.8 Standard Horn for 1.3 GHz and Offset Reflector with f /d = 0.8 68

    References 71

    8 High-Frequency Transmission Lines - Waveguides 73

    8.1 Rectangular Waveguides 75

    8.1.1 Reactance Elements in a Rectangular Waveguide 77

    8.2 Circular Waveguides 80

    8.3 Coaxial Transmission Lines 82

    8.4 Planar Transmission Lines 84

    8.5 Nonreciprocal Microwave Lines 86

    References 92

    9 Microwave Receivers 93

    9.1 Low-Noise Amplifiers 98

    9.1.1 Noise Matching 100

    9.1.2 Cooled Amplifiers 100

    9.1.3 Measurement of Noise Figure 104

    9.1.4 Low-Noise Amplifier for 1.3 GHz 109

    9.1.5 Low-Noise Amplifier for 10 GHz 117

    References 120

    10 Local Oscillators 121

    10.1 Classification of Frequency Synthesizers 122

    10.1.1 Coherent and Incoherent Synthesizers 122

    10.1.2 Synthesizers with Direct and Indirect Synthesis 122

    10.2 Direct Digital Frequency Synthesizers - DDFS 123

    10.2.1 Basic Description 123

    10.2.2 Spectral Properties of DDFS 124

    10.3 Phase-Locked Loop Synthesizers 128

    10.3.1 Time and Frequency Domain Description of a Phase-Locked Loop 128

    10.3.2 Order and Type of Phase-Locked Loop 132

    10.3.3 Phase-Locked Loop Synthesizers 132

    10.3.4 Phase-Locked Loop Stability 133

    10.3.5 Classification of Phase-Locked Loops 133

    10.3.6 Spectral Properties of PLL Synthesizers 134

    10.3.7 Allan's Variance 136

    10.3.8 Circuitry of Modern PLL Synthesizers 138

    10.3.9 Oscillators 139

    10.3.10 Phase Frequency Detectors - PFD 141

    10.3.11 Frequency Dividers 142

    10.3.12 Loop Filters 143

    10.4 Direct Digital Synthesizer with AD9951EP 145

    10.5 Frequency Synthesizer for Microwave Devices 147

    References 151

    11 Microwave Transmitters 153

    11.1 UHF Band Power Amplifier 300 W 154

    11.2 X-Band Power Amplifiers 157

    11.2.1 Single-Stage X-Band 4 W Power Amplifier 160

    11.2.2 X-Band 20 W Power Amplifier 161

    11.2.3 X-Band 50 W Power Amplifier 161

    11.2.3.1 Calculation of Cooling 167

    References 173

    12 Communication by Lunar Surface Reflection 175

    12.1 Lunar Surface as a Reflecting Surface 175

    12.1.1 Reflected Signal Spectrum Broadening 176

    12.1.2 Doppler Shift 177

    12.1.3 Polarization of Signals 178

    12.2 Digital Communication 179

    12.2.1 Jt 65 180

    12.2.2 Jt 4 180

    12.2.3 Qra 64 181

    12.2.4 Q 65 183

    12.3 Parameters of Communication Devices 185

    12.3.1 Antennas 186

    12.3.2 System Noise Temperature 187

    12.3.3 Echo 187

    12.3.4 Accuracy and Stability of Frequency 192

    12.3.5 Doppler Shift Compensation 193

    12.4 Conclusion 194

    References 194

    13 Radio Communication with Interplanetary Spacecrafts 197

    13.1 Terrestrial Segment for Deep Space Communication 197

    13.2 Interplanetary Spacecrafts 200

    13.2.1 Voyager 200

    13.2.2 Cassini-Huygens 204

    13.2.3 New Horizons 205

    13.2.4 Mars Odyssey and Reconnaissance Orbiter 207

    13.2.5 Spacecrafts at Lagrange Points 207

    References 208

    14 Conclusion 209

    Index 211