Index Catalog // ScholarsArchive@OSU

X-ray triggering by automatic sensing

Creator:: Murtagh, Richard James
Abstract:: A brief history of X-ray control methods is presented, and the instrumentation requirements and physiological considerations pertaining to an automatic X-ray control system are discussed. The latter half of the thesis describes the design and operation of a device which will permit medical radiographs to be taken automatically and at...
Resource Type:: Masters Thesis

Two-integrator detector for known-signal-in-noise identification

Creator:: Albright, Robert James
Abstract:: This thesis discusses the design and evaluation of an instrument that can detect known signals in noise. This detector uses two integrators to sense a difference in the received signal between half-cycles of the known signal. The detector is useful for sensing signals in the approximate frequency range of 100...
Resource Type:: Masters Thesis

Transistor circuit design for optimum noise performance

Creator:: Wilkerson, John Lee
Resource Type:: Masters Thesis

The protection of semiconductor devices from electrical transients

Creator:: Smith, Roy John
Resource Type:: Masters Thesis

The design and evaluation of an electronic estimator of probability density distributions

Creator:: Senk, Frederick Martin
Abstract:: This thesis discusses the design and evaluation of an instrument that can estimate the probability density distributions of bandlimited, aperiodic electrical phenomena. This estimator can obtain the probability density estimates of signals that are contained within the frequency range of 100 cps. to 20 kcs. However, the basic design logic...
Resource Type:: Masters Thesis

Short-pulsed operation of the balanced detector

Creator:: Williamson, James Allen
Abstract:: The problem that is attacked in this paper is that of analyzing and predicting the response of a balanced detector when it is driven by short, periodic bursts of RF energy. There is, however, sufficient information provided to extend the analysis to virtually any circumstance of balanced detector operation. The...
Resource Type:: Masters Thesis

Real-time bandwidth compression using Hilbert transforms

Creator:: Bradley, Richard William
Abstract:: This paper presents a theoretical study of real-time bandwidth compression systems using the Hilbert transform and associated analytic signal concept. An analytic signal is defined as u(t) = s(t) + [superscript ¯]js(t) , where [superscript ¯]s(t) is the Hilbert transform of the signal s(t). A complete discussion of the properties...
Resource Type:: Masters Thesis

Products liability in the electronics industry

Creator:: Smith, Milton Ray
Abstract:: This thesis discusses the field of products liability as it relates to the electronics industry. The historical development of products liability is traced and the various legal theories are examined. These legal theories and background are then used to discuss the judicial obligations imposed upon the manufacturer and seller of...
Resource Type:: Masters Thesis

Medium frequency solid-state correlator

Creator:: Hill, Douglas Glenn
Abstract:: Periodic signals hidden in noise may be detected by using correlation techniques This thesis presents a study of how correlation is approximated statistically, and carried out electronically. The ability to detect periodic signals in noise, using correlation, is justified mathematically in the first portion of the thesis. The discussion is...
Resource Type:: Masters Thesis

Digital filtering with an IBM 1620 computer

Creator:: Smathers, Douglas Charles
Abstract:: Digital filtering can be done on a limited scale using an IBM 1620 digital computer. A computer program has been written to aid in the design of digital filters by computing the power spectrum of sampled time data. The power spectrum analysis program was coded in SPS symbolic machine language....
Resource Type:: Masters Thesis

Design of high-input impedance, wideband transistorized amplifiers

Creator:: Huaccho Salazar, Reynaldo
Abstract:: Conventional bi-polar transistors are inherently low input impedance devices. Transistor amplifiers have been designed which will present high input impedance, but the frequency response is limited to low frequencies, hundreds of kilocycles. This thesis investigates both field effect transistors and positive feedback as applied to high input impedance wide band...
Resource Type:: Masters Thesis

Communication systems for water-quality data aquisition

Creator:: Newbern, David Wendel
Abstract:: A survey of federal and state agencies was conducted to determine the future need for water-quality data. This survey was used as the basis for constructing a water-quality data aquisition system applicable to any river basin. This study outlines the major components of an automatic water-quality monitoring system. Seventy-one sites...
Resource Type:: Masters Thesis

An approximate matched filter design for detecting a pulsed carrier in noise

Creator:: Wang, Chʻeng-chi
Abstract:: This thesis discusses the design of an approximate matched filter capable of detecting a 30 MHz, 0.45 microsecond pulsed carrier in white noise. The theoretical background, which the matched filter is based upon, is presented. The matched filter described herein is composed of an open-end lumped-parameter delay line and a...
Resource Type:: Masters Thesis

A zero-crossing analyzer for distribution-free detection of a signal in noise

Creator:: Bertorello, Robert James
Abstract:: This thesis discusses the analysis, design, and experimental evaluation of an instrument that can be used to detect the presence or absence of a signal, not necessarily known, in a noisy background. The detection principle is based on application of the sign test of distribution-free statistics to the stochastic process...
Resource Type:: Masters Thesis

A vector electrocardioscope system for clinical studies

Creator:: Petersen, Walter Anton
Abstract:: This paper discussed the human electrocardiogram, the instrumentation used to graphically record it, and the design and performance of a specialized system for vector cardiography: the Vector Electrocardioscope (VECS) System. The introduction reviews in considerable detail the pertinent known physiology of the heart, especially the electrophysiology responsible for the genesis...
Resource Type:: Masters Thesis

A transistorized sonic generator and detector for finding Young's modulus of wooden beams

Creator:: Jaenicke, Richard Alex
Abstract:: Young's modulus, often called the modulus of elasticity, gives a measure of the stiffness of a material to an imposed load. The modulus of a wooden beam is most often obtained by destructive tests which destroy the specimen. If a practical method can be found to measure Young's modulus non-destructively,...
Resource Type:: Masters Thesis

A method for analysis of direct-coupled transistor amplifiers

Creator:: Bishop, Stanley Robert
Abstract:: The demand for transistor circuitry to perform within more exacting specifications has created the need for a method to accurateIy predict transistor circuit performance. A method utilizing an electronic digital computer for the analysis of direct-coupled transistor amplifiers is explained in this paper. The dc bias levels and the mid-band...
Resource Type:: Masters Thesis

A mathematical method of evaluating the reliability of electronic equipment

Creator:: Lindquist, Claude S.
Abstract:: Reliability, the probability that a system will not fail but will perform correctly at least until some arbitrary time, is becoming an increasingly important concept in electronic system design. This probability is evaluated using probability density functions which are obtained analytically by forming mathematical expressions describing the failure distributions of...
Resource Type:: Masters Thesis

A high speed, transistorized, voltage analog-to-digital converter

Creator:: Heimbigner, Gary Lee
Resource Type:: Masters Thesis

ScholarsArchive@OSU

X-ray triggering by automatic sensing

Two-integrator detector for known-signal-in-noise identification

Transistor circuit design for optimum noise performance

The protection of semiconductor devices from electrical transients

The design and evaluation of an electronic estimator of probability density distributions

Short-pulsed operation of the balanced detector

Real-time bandwidth compression using Hilbert transforms

Products liability in the electronics industry

Medium frequency solid-state correlator

Digital filtering with an IBM 1620 computer

Design of high-input impedance, wideband transistorized amplifiers

Communication systems for water-quality data aquisition

An approximate matched filter design for detecting a pulsed carrier in noise

A zero-crossing analyzer for distribution-free detection of a signal in noise

A vector electrocardioscope system for clinical studies

A transistorized sonic generator and detector for finding Young's modulus of wooden beams

A method for analysis of direct-coupled transistor amplifiers

A mathematical method of evaluating the reliability of electronic equipment

A high speed, transistorized, voltage analog-to-digital converter

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