Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 37 for “"Random Number Generator"”.
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A portable C random number generator
… sizes has led to increases in software use where random number generation is required. Several techniques have been developed. Criteria of randomness, portability, period, reproducibility, variety, speed, and storage are used to evaluate developed generation methods. The Tausworthe method is the …
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A True Random Number Generator Algorithm Using Digital Camera Image Noises Under Varying Lighting Conditions
We present a True Random Number Generator (TRNG) using the images taken by web or mobile phone cameras.
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A Propagation Simulator for Land Mobile Satellite Communications
… communications. The simulator is based on a random number generator that generates data sets to compute statistics of the propagation channel. Performance of the simulator was evaluated by comparing statistics from an analytical model and experimental data provided by W. Vogel of Univ. of …
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Domain-Specific Analog Physical Computing Accelerators
… the fast and efficient generation of non-uniform random variates in hardware. Using simulations and real-world empirical measurements this dissertation shows that software non-uniform random number generation is slow and inefficient, and discusses why this is the case. This dissertation presents …
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Advanced Quantum Communication Systems
… memory for polarization qubits, and a quantum random number generator. These tools may be applied to a wide variety of future quantum and classical information systems.
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Optimal Codes and Entropy Extractors
… both Coding Theory and Entropy Extraction for Random Number Generators to be used for cryptographic purposes. We start from a thorough analysis of known bounds on code parameters and a study of the properties of Hadamard codes. We find of particular interest the Griesmer bound, which is a …
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A Statistical Evaluation of Algorithms for Independently Seeding Pseudo-Random Number Generators of Type Multiplicative Congruential (Lehmer-Class).
<p>To be effective, a linear congruential random number generator (LCG) should produce values that are (a) uniformly distributed on the unit interval (0,1) excluding endpoints and (b) substantially free of serial correlation. It has been found that many statistical methods produce inflated Type I …
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Evaluation of alternative discrete-event simulation experimental methods
… the selection of methods for introducing randomness, setting the length of individual simulation runs, and determining the conditions for starting measurements". Received wisdom" in these aspects of simulation experimentation was not accepted.The research made use of a Markov Chain queuing …
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Spectral analysis of random number generators
… a method for testing the fairness of pseudorandom number generators using the Discrete Fourier Transform. We will show how the concept of a random process can be used in a representation for random discrete time signals. Using this concept, we have focused on the mathematical representations …
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The measurement and comparison of relative workloads under several driving conditions using a simulator
… the VPI & SU driving simulator, a variable speed random number generator and display, plus other control and recording equipment. Workload scores for 82 subjects were determined under various combinations of wind and curvature disturbances, vehicle steering gain, and vehicle response time. Driving …
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GPU-Optimized Molecular Dynamics Simulations
… GPU-optimization techniques such as parallel random number generator and floating point operation issues. These and other GPU performance optimizations were applied to coarse-grained MD simulations of the ribosome, a protein-RNA molecular machine for protein synthesis composed of 10,219 …
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Improving the Security of Continuous Variable Quantum Random Number Generators
Random numbers are vital for a wide variety of applications including lotteries, statistical sampling, computer simulations and cryptography. They can also be used to make random decisions required in both quantum key distribution (QKD) and fundamental tests of the foundations of quantum mechanics. …
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Photon Arrival Time Quantum Random Number Generation
A quantum random number generator (QRNG) is one which re- lies on a physical process, extracting randomness from the inherent uncertainty in quantum mechanics. This is to be contrasted with current pseudo-random number generators (PRNG), which although useful, are in fact deterministic: they always …
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Guesswork
… query each possibility, one at a time, then the number of guesses they must make in order to identify the selected object is likely to be large. If the object is selected uniformly at random using, for example, a cryptographically secure pseudo-random number generator, then the analysis of the …
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Irrigation cost models to assess the feasibility and potential expansion of large-scale riparian irrigation in Virginia
… fixed and variable irrigation costs were randomized in a uniform and independent distribution using the random number generator in the BASIC language. The design models were simulated using these uniform distributions to build a database representing 3000 observations for each irrigation …
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Netsim: A Java(TM) -Based WWW Simulation Package
… programming are discussed briefly. The Java random number generator is verified for uniformity and independence. Netsim is compared to SIGMA, a non-Internet simulation package, using a standard M/M/1 queueing model. Comparison issues and results are discussed. Additionally, tested through …
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Cryptographic coprocessors for embedded systems
… protocols involve the generation of random data, for keys or nonces. This requires a True Random Number Generator (TRNG) to be present in the system. Various TRNG designs are discussed and a secure implementation, including post-processing and failure detection, is introduced. …
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Stochastic Computation from Serial to Parallel
… a digital computation approach that operates on random bit streams to perform complex tasks with much smaller hardware footprints compared to conventional binary radix approaches. SC works based on the assumption that input bit streams are independent random sequences of 1’s and 0’s. In this …
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Optical quantum random number generation: applications of single-photon event timing
… the field of quantum information. For example, random number generators are used in almost all areas of science, and the initial portion of this work details the theory, design, and characterization of two photon-arrival-time quantum random number generators (QRNGs). After the QRNGs were …
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