TABLE OF CONTENTS
v
Personnel
viii
Publications and Reports
I.
1
Physical Electronics
Electron Emission Problems
Importance of Porosity in Maintaining High-Current
Density from Oxide Cathodes
1
Reflection of Slow Electrons at a Metal Surface
3
Physical Electronics in the Solid State
Studies of Surface Phenomena in Germanium
Ion Generation and Electron Energy Distributions
III.
The MassITron
V.
VI.
VII.
5
6
Cleanup of Helium in Ionization Gauges
6
Ionization Gauge Studies
7
Microwave Gaseous Discharges
10
High-Density Microwave Gaseous Discharge
10
Plasma Oscillations
11
Solid State Physics
Microwave Spectroscopy
13
13
14
Molecular-Beam Microwave-Absorption Spectroscope
14
Phase Stabilization of Microwave Oscillators
14
Excited Torsional States in Asymmetric Hindered Rotors
15
Paramagnetic Resonance
15
Nuclear Magnetic Resonance and Magneto-Optics
16
Hyperfine Structure of the 3P 1 Level of Mercury
16
Nuclear Magnetic Resonances in Gases
16
Optical Properties of Atomic Vapors
17
Microwave Electronics
18
A Kinetic Power Theorem for the Transverse Field Tube
18
Interception Current Noise Measurements
22
Multipath Transmission
Cascaded Bandpass Limiters
VIII.
3
Spectral Emissivity of Tungsten
Electrical Breakdown in Germanium at Microwave Frequencies
IV.
3
5
Experimental Techniques
High Vacuum Studies:
3
3
Gas Discharges
II.
1
Statistical Communication Theory
24
24
29
A Theorem Concerning Noise Figures
29
Second-Order Correlation Functions
31
Properties
31
Calculations
34
Measurements
IX.
X.
XI.
XII.
38
Measurement of Industrial Process Behavior
42
Processing and Transmission of Information
47
Entropy of Printed English
47
Bounds to the Entropy of Television Signals
49
Measuring Second-Order Probability Distributions by Digital Means
Coding for Noisy Channels
52
Linear Binary Sequence Filters
59
Procedure for the Minimization of Switching Functions
61
A Theorem on Feedback in Sequential Switching Circuits
Transistor Circuits
54
62
65
Constant-Resistance AGC Attenuators for Transistor Amplifiers
The Operation of Multiplication
65
The Process of Time Integration
68
Semiconductor Noise
66
71
Modification of Noise Analyzer
71
Equipment for Noise Amplitude Probability Distribution
Measurements
71
Speech Analysis
Set of Highpass and Lowpass Filters
XIII.
36
Some Properties of Experimental Autocorrelation Functions
Communications Biophysics
74
74
75
Amplitude Variability of Nl; Comparison with the Model
Evoked Responses to Clicks in Relation to On-Going Cortical
Activity
75
Analog Correlator for Electroencephalography
77
Measurements of Correlator Accuracy
Correlation Studies of Brain Potentials
77
76
79
XIV.
Neurophysiology
83
XV.
Nonlinear Circuits
85
XVI.
Research Objectives
85
Diode Circuit Characteristics
85
Piecewise Linear Network Theory
89
A Piecewise-Planar Multiplier
93
An Electronic Vector Magnitude Circuit
95
Network Synthesis
Determination of Root Loci from Saddlepoint Considerations
Complexity of Grounded Networks Having Zeros of Transmission
in the Right Half-Plane
97
97
98