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This paper examines the problem of generating testing actions for electronic industry test systems designed for verification of electronic packages of UHF band. This paper shows complex problems of setting amplitude and time parameters of multichannel generators of test signals. The problems of multichannel wide range signal generation and frequency control, rise and fall time control, pulse time...
Ensuring accurate testing of a UHF electronic package is the main requirement for a testing system. There are two problems: metrological certification as generator devices generating test pulses of desired amplitude and at a desired moment of time and the problem of measuring amplitude and time parameters of signals at the outputs of an electronic package. This paper observes the methods of measurement...
Contrary to popular belief, mobile apps can spend a large fraction of time running "hidden" as background services. And, bugs in services can translate into crashes, energy depletion, device slow-down, etc. Unfortunately, without necessary testing tools, developers can only resort to telemetries from user devices in the wild. To this end, Snowdrop is a testing framework that systematically...
Automatically generating unit tests is a powerful approach to exercise complex software. Unfortunately, current techniques often fail to provide relevant input values, such as strings that bypass domain-specific sanity checks. As a result, state-of-the-art techniques are effective for generic classes, such as collections, but less successful for domain-specific software. This paper presents TestMiner,...
There are a number of factors that may affect the validity in measuring radiated emission test parameters in electromagnetic compatibility (EMC) testing. This research observes the effect of the placement of video pattern generator on the validity of measurement results of radiated emission parameter. The radiated emission measurement with the location of video pattern generator inside and outside...
This paper gives a brief overview of the current state in the ant colony optimization (ACO) field of study. Furthermore, it introduces an alternative pheromone laying strategy for the ACO algorithm. In the paper, the newly introduced strategy is implemented, tested on a model problem and compared with the classical approach. A parameterized problem space generator has been introduced. The generator...
In this paper some popular techniques of analog-to-digital converter parameters measurement are compared. The structure of the proposed software-hardware complex and experiment procedure are described. Experimental results are presented.
We applied test automation in the style of Behavior-Driven Development (BDD), an agile software development technique. In applying BDD, the problem is that a large amount of similar configurations of network switches have to be written in the BDD test specification files. To solve this problem, parameterization of configurations is considered effective. However, Gherkin, the BDD test specification...
This paper presents aspects of the technical evolution in micro-networks efficiency with respect to the power quality and system availability. Different potential approaches for market using are shown. The environmental and economic effects of the micro-networks depends of their implementing phases, like design, commissioning and testing. It can be a lot different than the normal main grid, depending...
Model transformations are used to automate model manipulation in Model-Driven Engineering (MDE). In particular, model-to-model transformations produce target models (conformant to a target meta-model) from source ones (conformant to a source meta-model). While transformation correctness is crucial in MDE, developing transformations is error-prone due to the difficulty in testing them. This problem...
FloW is a humanoid robot that is being built and developed by ER2C (Eepis Robotic Research Center). FloW is made to have human-like capabilities and one of the abilities, the robot is able to communicate with humans. Therefore, we need to build speech processing system which consists four sub-systems. There are speech-to-text system, sentence understanding system, sentence generating system and text-to-speech...
The quality of mobile applications is one essential factor for their success because users often immediately discard applications with insufficient quality. In prior contributions, we presented FIT4Apps, a quality assurance method for mobile applications, which focuses inspections and tests on the development of mobile applications. We performed a two-step empirical evaluation of this method: a controlled...
Lattice-based cryptography has recently produced several time-efficient cryptosystems that are provably secure under assumptions that are not known to be more easily solvable by quantum computers. An interesting research direction is improving their storage complexity, as current solutions are far from practical with respect to this metric. In this paper we show that program obfuscators for point...
With the growing speed of computer networks, we need to test our solutions, network conditions, and topologies using high-speed traffic generators. The main contribution of this paper is 1) the theoretical proposal of a pseudo-random number generator (PRNG) algorithm that is usable for hardware-accelerated IP traffic generators and 2) the practical proposal of a novel design and implementation of...
The needs of random key generator on Android smartphones grow in line with applications which provide cryptographic services. Overcoming this we can use sensor on Android itself to be a key generator, that called Accelerometer sensor. However, raw data generated from this sensor are weak data sources because they have many slow drifts. According to those background, Hong & Liu proposed the protocol...
The topical information security problem of development of statistical tests for hypotheses on the discrete uniform distribution (“pure randomness”) of output sequences produced by random or pseudorandom generators is considered. For Shannon, Rényi and Tsallis entropy functionals, the point statistical estimators based on the plug-in principle are constructed. The asymptotic probability distributions...
Randomness is crucial to enabling secure and robust communications. Ideally one should harness high entropy physical processes, but this is difficult so pseudorandomness is usually substituted for randomness. We introduce improved complexity randomness tests and use them to judge three pseudorandom bit generators; the AES block cipher (standard, strongly believed to be secure), the Dragon stream cipher...
Some type of tests especially functional tests and stress test requires a large amount of realistic test data. We are proposing a tool that uses random number generators in order to create such data. The tool is designed to be able to set simple attributes of any Java object and in many cases also to create complex structures when objects are connected via references. Random values are created according...
Recently, a framework has been developed to automate the training of prediction algorithms but has only been tested on one system. In order to generalize the approach a few key functions must be performed. One of these functions is load generation. Unfortunately, a valid load generator has not been developed for a Microsoft Windows active directory environment. In this paper we introduce and detail...
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