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TECHNICAL UNIVERSITY - SOFIA: Последно депозирани

Показване на публикации 581-600 от 944

Заглавие: Обектно – ориентиран подход за извличане на речеви параметри Автор: Атанасов, Венцислав Борисов; Момчеджиков, Михаил Благоев; Momchedzhikov, Mihail Blagoev; Atanassov, Ventsislav Borissov Дата: 1995 Резюме: The object-oriented approach for the implementation of an experimental system for extraction of acoustic speech parameters is discussed in the article. The article stresses the building of hierarchy of classes which serve the software system, as superstructure of standard defined classes of Object Windows library (OWL) and ClassLib in the ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Сравнителен анализ на някои методи за защита на говорна информация Автор: Момчеджиков, Михаил Благоев; Ле Хай Чау; Чобански, Валентин Н.; Momchedzhikov, Mihail Blagoev; Le Hay Chau Дата: 1995 Резюме: Cryptography is essential for the reliability of the radio connection. Ciphering aims at choosing a technology that will provide the desired reliability of deciphering A comparative analysis of some methods for ciphering speech information is proposed in the article. The criteria for comparing the methods are based on cryptoanalysis, ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Изследване на признаците за разпознаване на текст на монголски език Автор: Бекярски, Александър Богданов; Осорин, Л.; Bekyarski, Alexandar Bogdanov; Osorin, L. Дата: 1995 Резюме: Recognition of letters in mongolian alphabet is a problem the solving of which is very important for more wide applications of national alphabet in Mongolia. The mongolian letters consist of some basic figures (primares) elements. Therefor first must be made the recognition of these basic elements in mongolian words. It is proposed in this ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Алторитъм за анализ на портретни изображения с помощта на невронни мрежи с обратно разпространение на грешките / Румен Кунчев, Димитър Атанасов. (Комуникации). // Годишник на ТУ-София, Том 48, 1995, № 4. Електроника, комуникации, информатика, автоматика : Юбилейна научна сесия „50 години ТУ–София“ 11-12.10.1995 София, с. 111-118 Автор: Кунчев, Румен Кирилов; Атанасов, Димитър; Kunchev, Rumen Kirilov; Atanasov, Dimitar Дата: 1995 Резюме: In this paper is presented a two-stage algorithm for location of geometric visual features in human faces. The first stage generates search regions for centers of eyes and mouth from coarse-resolution image. The second stage. uses those search regions to select 12 features inside the high-resolution image data: left, right corners, top, ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Критерии за определяне зоната на действие на интермодулационните смущения при въздухоплавателните служби Автор: Додов, Никола Иванов; Панков, Борислав; Dodov, Nikola Ivanov; Pankov, Borislav Дата: 1995 Резюме: The present and future development of the FM sound-broadcasting networks in our country can lead to unacceptable interferences with the navigation and communication radio equipment of aeronautical services. Two kinds of interferences - these resulting from intermodulation products caused by different radio transmitters operating on common ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Gate delay model of pass - transistor logic Автор: Chumachenko, Vasiliy Platonovich; Vasileva, Tanichka Krumova; Чумаченко, Василий Платонович; Василева, Таничка Крумова Дата: 1995 Резюме: A simple gate delay model useful for analysis and optimization of pass-transistor logic circuit is proposed. The macromodel is based on device equation and is found to be an analytical function of capacitive. load and device sizes. Curve fitting of model equation to SPICE simulation results is used for coefficient obtaining. The procedure ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Бърз алгоритъм за определяне разпределението на параметрите на комуникационни устройства и системи Автор: Ненов, Георги Димитров; Nenov, Georgi Dimitrov; Лишков, Славчо Димитров; Lishkov, Slavcho Dimitrov Дата: 1995 Резюме: In this paper we introduce a fast algorithm for estimation of the distribution of output parameters of communication systems and devices. For this purpose a fraction factorization experiment is used. A decimation in observation time is achived and representativness of the data record is ensured. Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Компютърни радиомрежи за дистанционен контрол и управление Автор: Алтимирски, Емил Савов; Altimirski, Emil Savov Дата: 1995 Резюме: The paper provides information about the scientific investigations and applications in the field of computer radionetworks for remote monitoring and control of more than 2000 distant objects in electrical supply, water supply, environment protection, hydrometeorogical service, security systems, military service etc. The design and application ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Точностни характеристики на радиометричния екологичен мониторинг в инфрачервения обхват Автор: Фердинандов, Ервин Стефанов; Ferdinandov, Ervin Stefanov Дата: 1995 Резюме: The communication channel of a radiometric system for receiving, transmitting and processing of temperature distribution data of earth and water surfaces has been analysed of the needs of remote ecological monitoring in the infrared spectral range. Expressions have been derived for the signal - to - noise ratio and measurement resolution. ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Възможности за повишаване ефективността на силициев фотоелемент Автор: Витанов, Петко Костадинов; Vitanov, Petko Kostadinov; Тютюнджиев, Николай Христов; Tyutyundzhiev, Nikolay Hristov; Каменова, Марийка Тодорова; Kamenova, Mariyka Todorova; Делибашева, Мария Христова; Delibasheva, Mariya Hristova Дата: 1995 Резюме: On the top n+ — region of the standard n+p solar cell used in the experiment was formed thin porous silicon (PS) layer. The photovoltaic properties of two identical samples with and without porous silicon are compared. The tested structures are measured under solar simulated light of 100 mW/cm2. It was observed that the short circuit current ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Възможности за добив на електрическа енергия с фотоволтаичен модул при реални условия за България Автор: Витанов, Петко Костадинов; Тютюнджиев, Николай Христов; Пенева, Мила Димитрова; Vitanov, Petko Kostadinov; Tyutyundzhiev, Nikolay Hristov; Peneva, Mila Dimitrova Дата: 1995 Резюме: This paper analyses the performance of a 36 W photovoltaic module, created on the basis of 36 connected in series 4" monocrystalline silicon solar cells. The dependence of generated energy upon solar radiation and the position of the module is represented and the module thermal behavior as well. The amount of electrical energy, produced for ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Система за експериментален аудиокардиоанализ Автор: Гълъбов, Васил Тотев; Galabov, Vasi Totev Дата: 1995 Резюме: The developed system is based on the conventional methods of auscultation and phonocardiographia using the facilities of the computer technique. The final aim of the project is the building of a screening analysator with simplified manipulation. In the paper are discussed the development of the experimental set-up, the methods applied for ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Чувствителен към влага микроелектронен сензор Автор: Ръсовска, Милка Маркова; Хлебаров, Здравко Петков; Радева, Мила Радославова; Hlebarov, Zdravko Petkov; Radeva, Mila Radoslavova; Rasovska, Milka Markova Дата: 1995 Резюме: There are presented the construction and technical futures of a microelectronic humidity sensor, based on the multyplayered structure Al-(Zn-Cu) O-(In-Sn) O-AL The layers was qualified by X-ray analysis and so the technology was adjusted Some of the parameters of the samples was studied — the DC resistance Rdc and the AC resistance Rac was ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Двутактна обемна СЗП с повишена зарядна способност Автор: Хинков, Валентин Цачев; Атанасов, Александър Стефанов; Hinkov, Valentin Tsachev; Atanasov, Alexandar Stefanov Дата: 1995 Резюме: A new two phase BCCD (bulk CCD/ charge coupled devices with increased - charge handling capability has been proposed in the work on the basis of comparative analysis of two well known BCCD. Treatment of this problem Is actual, since charge handling capability of BCCD is very small, that's why its increasing leads to greater output signal, ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: RLC филтър на променливо напрежение (ШИМ) Автор: Табаков, Стефан Евтимов; Горанов, Петър; Салах, Айед Бен Дата: 1995 Резюме: This paper treats the analysis of the RCL - Filter in the output of a PWM inverter under low and high Frequency of modulation. The Correcting elements used in the Filter branch improves the quality of the output signal for constant and variable load. Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Multiplier design migration from FPGA to standard cell technology Автор: Vasileva, Tanichka Krumova; Василева, Таничка Крумова; Tchumatchenko, Vasiliy Platonovich; Чумаченко, Платонович Василий Дата: 1995 Резюме: Standard Cell implementation of an 0(n) parallel multiplier with bit-sequential input and output, using Field Programmable Gate Arrays (FPGA) design as a prototype is considered. Problems facing in design migration from FPGA to standard cells design approach are discussed. Applying logic circuit optimization as a manner to improve design ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Компенсация на влиянието на коефициента на усилване по напрежение на операционния усилвател върху предавателната функция на SC – усилвател/атенюатор Автор: Радев, Николай Асенов; Radev, Nikolay Asenov Дата: 1995 Резюме: A switched-capacitor amplifier/attenuator is considered. It is based on the use of simple and fast operational amplifier (op amp) with low but precisely controlled DCgain nominal value. The effect of the precisely known and by (with small variation) op amp DC gain can be compensated for in the design phase by changing some of the capacitor ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Интегриране на измерването и автоматизираното проектиране в електрониката Автор: Стоянов, Иван Илиев; Шойкова, Елена Дикова; Христов, Марин Христов; Stoyanov, Ivan Iliev; Shoikova, Elena Dikova; Hristov, Marin Hristov Дата: 1995 Резюме: The paper considers the major related to the actual implementation cf interconnections between CAD and automated measurements for electronic components, circuits and devices. Structures are proposed for cornputer integrated environments where the methodology of testing already implemented prototypes is coherent with the methodology of their ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Числено модиелиране на двуфазни неизометрични турбулентни струи. Интегрален метод на изследване Автор: Антонов, Иван Славейков; Лиен, Х. Д.; Нам, Н. Т.; Antonov, Ivan Slaveykov; Lien, H. D.; Nam, N. T. Дата: 1995 Резюме: On the basis of integral method has been imitated distribution Two phase Unisothermal turbulent jet. Using "two fluid" scheme of the stream, which means velocity environments of two phases, Boundary layer of Velocity, Concentration of particle and Temperature are Memo. The solution is done with Numerical calculation. Библиотека:
TECHNICAL UNIVERSITY - SOFIA
Заглавие: Моделиране движението на полидисперсни смеси Автор: Антонов, Иван Славейков; Antonov, Ivan Slaveykov Дата: 1995 Резюме: Using Mathematical Model for the Motion of Multy-phase Mixture and in case of Two-phase Flow, carrying solid fraction with different dimension. For each phase has been • supposed as separated Fluid environment with their of initial Concentration and Diametre of particles. Using Kg - Kp - E model and Method of Direkt Numerical Integral ... Библиотека:
TECHNICAL UNIVERSITY - SOFIA

Показване на публикации 581-600 от 944

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