TABLE OF CONTENTS
v
Personnel
viii
Publications and Reports
I.
1
Physical Electronics
Electron Emission Problems
Thermionic Emission from a Planar Molybdenum Crystal
Physical Electronics in the Solid State
Hall Effect in Lead-Sulfide Films
the MassITon
7
Gaseous Discharges
Ion Generation, Electron Energy Distributions, and Probe
Measurements in a Low-Pressure Mercury Arc
Microwave Gaseous Discharges
8
8
11
11
Diffusion Decay in Neon Afterglows
12
Microwave Determinations of Frequency of Ionization and
Coefficient of Free Diffusion
15
Microwave Spectroscopy
21
Molecular-Beam Microwave Spectroscope
21
Paramagnetic Resonance
22
Free Radicals in Irradiated Carbon Black
23
Nuclear Magnetic Resonance and Hyperfine Structure
25
Hyperfine Structure of the P1 State of Mercury by
Double -Resonance Methods
25
Reduction of Drift in Double-Resonance Experiments
25
1 Level of Cadmium
Microwave Electronics
Noise
Minimum Noise Figure of Traveling-Wave Amplifiers
High-Power Microwave Tubes
28
30
30
30
34
Multicavity Klystrons
34
Stagger-Tuning Experiments on Pulsed Klystrons
37
High-Perveance Cylindrical Electron Beams
38
Ferrites
Ferrite Resonance Isolator in Trough Waveguide
VI.
8
Highly Ionized Microwave Plasma
Lifetime of 53
V.
2
3
Ionization Gauge Control Circuit
IV.
2
The Spectral Emissivity of Tungsten
High Vacuum Studies:
III.
1
3
Experimental Techniques
II.
1
Atomic Beams
39
39
46
Measurement of the Velocity of Light
46
Stark Effect on Hyperfine Structure
51
Crystal Oven Temperature Control
51
CONTENTS
VII.
Statistical Communication Theory
Output Distributions of Linear Systems
VIII.
IX.
XI.
53
From the Viewpoint of Distribution Functions
55
Formulation of Flow Graphs
58
Time-Domain Synthesis of Linear Systems
60
On the Synthesis of Linear Systems for Pure Transmission,
Delayed Transmission, and Linear Prediction of Signals
66
Processing and Transmission of Information
XIII.
90
Amount of Information Provided by a Particular Symbol
93
Hazards in Sequential Switching Circuits
95
Pitch-Synchronous Chopping of Speech
99
Nonlinear Operations on Video Signals
103
Runs of Constant Intensity in Picture Signals
104
Transistor Circuits
Speech Analysis
106
106
109
Vowel Identifier
109
Stop Studies
117
Sensory Replacement
Communications Biophysics
118
118
122
Responses from the Auditory Cortex to Tone Pips and Bursts
of Noise - An Interpretation in Terms of the Place and
Frequency Principles
122
Pitch Judgments for Repeated Bursts of Tone and Noise
123
"Off" Responses in the Auditory Nervous System of
Anesthetized Cats
127
Network Synthesis
Study of the Motions of Two Poles in the Complex Frequency
Plane by a Graphical Method
XIV.
90
Channel Capacity without Coding
Vocatac
XII.
53
From the Viewpoint of Given Autocorrelation Functions
Voltage-Tuned Transistor -Amplifier
X.
53
Microwave Theory
129
129
131
Analysis of Bilateral, Two Terminal-Pair Networks in the
Three-Dimensional Hyperbolic Space
131
Use of Complex Four-Dimensional Quantities in Electromagnetic Wave Theory
134