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Signals Transmitting in Information Systems
Major: Hardware-software devices of information communication systems
Code of subject: 6.172.10.O.025
Credits: 5.00
Department: Theoretical Radio Engineering and Radio Measurement
Lecturer: Prof., Dr. Eng. Sciences, Bohdan Volochiy
Semester: 4 семестр
Mode of study: денна
Завдання: The study of the educational discipline of the educational and professional program involves the formation of competencies in the students of education:
general competences: the ability to think abstractly, analyze and synthesize (ЗК-1) [form signal transformations, determine the requirements for signals taking into account the characteristics and parameters of the communication channels through which they must be transmitted]; the ability to apply knowledge in practical situations (ЗK-2) [determine the parameters of signals to match them with the characteristics of devices, communication channels]; ability to plan and manage time (ЗK-3); knowledge and understanding of the subject area and understanding of professional activity (ЗK-4); the ability to communicate in the state language both orally and in writing (ЗK-5) [for future professional activities knowledge and mastery of the terminology of radio technical signals]; the ability to work in a team (ЗK-6) [issuance of one version of the calculation task to two students, performing laboratory work by a team of two and three students] the ability to learn and master modern knowledge (ЗK-7) [develop additional literature]; the ability to system thinking (ЗK-13) [when making a decision to change the parameters of the time representation of a signal, one must take into account the associated change in the parameters of the frequency representation of this signal];
professional competences: the ability to use basic methods, methods and means of receiving, transmitting, processing and storing information (ФК-3) [understanding of methods of presenting information in the form of continuous and discrete messages, and thus converting them into digital signals and digital radio signals].
Learning outcomes: РН-1: Know the principles of building digital message transmission systems.
PH-2: Know the properties of interference-resistant (corrective) codes.
To know the method of designing a cyclic code and the method of synthesis of structural and functional schemes of encoder and decoder for it.
РН-3 To be able to evaluate the corrective possibilities of the code.
To be able to synthesize the structural and functional scheme of the cyclic code encoder and decoder.
PH-4: Know the classification of communication channels and the corresponding mathematical models.
Know the parameters of communication channels.
PH-5: To be able to form a mathematical model of a discrete communication channel and determine its statistical parameters.
PH-6: Know the methods of forming and receiving radio signals with amplitude, frequency and relative-phase manipulation.
PH-7: To be able to synthesize the structural and functional schemes of modulators and devices for recognizing the numbers "1" and "0" in a distorted digital radio signal.
PH-8: Know the methods of element-by-element reception of digital signals; possibilities of using noise-like signals.
РН-9: Be able to determine the expediency of using in the information transmission system (ITS) for receiving digital signals: the accumulation method, the optimal coordinated filtering method, the correlation method; carry out a synthesis of the structural and functional scheme of the receiver of digital signals.
PH-10: Know digital methods of processing and transmission of continuous messages.
РН-11: To be able to evaluate the effectiveness of using digital methods of transmitting continuous signals in ITS.
РН-12: Know the methods of multichannel signal transmission.
PH-13: To be able to analyze the causes of cross-channel influences in multi-channel ITS.
PH-14: To be able to synthesize the structural and functional scheme of the ITS.
Required prior and related subjects: Higher mathematics: Basics of probability theory and random processes
Basics of the theory of circles
Signals in information systems
Coding of information in telecommunication systems and networks
Theoretical foundations of telecommunications
Telecommunication systems of information transmission
Summary of the subject: In the discipline "Transmission of signals in information systems", students study the processes of signal transformation during their transmission from the source of messages to the recipient of information. The main attention is paid to digital information transmission systems. Along with this, the processes of signal transmission, which are characteristic of other radio-electronic information systems, are also considered.
Опис: Introduction. The purpose of studying the discipline. Acquaintance with educational and methodical support of the discipline in the National Security Service.
Chapter 1. Principles of building a digital information transmission system
Source of messages. Conversion of a continuous message (for example, an acoustic signal) into a continuous random (analog) electrical signal.
Transformation of a continuous random (analog) signal into a digital binary signal: representation of an analog signal by a sequence of counts (continuous-discrete random signal), Kotelnikov's theorem; formation of a discrete random signal; conversion of a discrete random signal into a digital signal, coding of discrete messages; the principle of interference-resistant coding.
Section 2. Interference-resistant encoding of messages. Interference-resistant cyclic code encoder and decoder.
Evaluation of the ability of codes to detect and correct errors in the transmission of individual digits: introduction of the concept of "distance between signals"; connection of the value of the minimum code distance with the properties of the interference-resistant code. The method of designing interference-resistant (corrective) codes by selecting allowed code combinations.
Cyclic interference-resistant (corrective) codes: method of designing cyclic codes; a mechanism for detecting and correcting errors in code combinations of a cyclic code; heuristic synthesis of structural and functional schemes of encoder and decoder of cyclic code; synthesis of the structural and functional scheme of the shift register as a functional module of the cyclic code encoder and decoder.
Chapter 3. Communication channels: characteristics, parameters, models
Classification of communication channels. Characteristics of communication channels.
Mathematical models of discrete, discrete-continuous and continuous communication channels: mathematical models of discrete communication channels; formulation of the problem of analysis of a discrete communication channel; peculiarities of using mathematical models of discrete communication channels; mathematical model of a discrete-continuous communication channel; mathematical models of continuous communication channels.
Chapter 4. Methods of recognition in distorted digital radio signals and digital signals of the digits "1" and "0".
Reception of a digital radio signal when its spectrum and spectrum of interference do not overlap: band filtering; direct amplification of the radio signal; superheterodyne method; heuristic synthesis of the structural and functional scheme of the demodulation device.
Chapter 5. Digital methods of processing and transmitting analog signals
Principles of digital signal filtering. Synthesis of structural and functional schemes of digital filters with limited and unlimited impulse characteristics.
Differential methods of digital signal transmission: differential pulse-code modulation; error coding of predicted values; delta modulation.
Chapter 6. Methods of multichannel signal transmission
The principle of multi-channel transmission of signals through a communication line.
The principle of building a multi-channel information transmission system with time compression of the communication line, transmission system with time compression of the communication line; analysis of the causes of cross-channel effects in multi-channel information transmission systems with time compression of the communication line.
Chapter 7. Methodological principles of a systematic approach to research and development of digital information transmission systems.
Indicators of functionality of modules (components) of the digital information transmission system. Selection of modulation methods and interference-resistant coding. Indicators of information, energy and frequency efficiency of information transmission systems. Marginal efficiency and the Shannon limit.
Assessment methods and criteria: Current monitoring of students' learning results is carried out using the virtual educational system of the university, in which there is a section "Current monitoring" on the website of the discipline "Transmission of signals in information systems". And also in practical and laboratory classes by checking and reviewing reports on completed individual tasks.
Semester control is carried out with the help of a virtual educational system, in which there is an "Exam" section on the website of the discipline "Transmission of signals in information systems". And also through an individual oral and written survey.
Критерії оцінювання результатів навчання: Current control:
Laboratory classes - 15 points
Practical classes - 15 points
Total current control - 30 points
Exam:
Written component – 60 points
Oral component – 10 points
Total for the discipline - 100 points
Recommended books: Курсова робота
7. Методичні вказівки до виконання курсової роботи з дисципліни «Передавання сигналів в інформаційних системах». Режим доступу: https://vns.lpnu.ua/course/view.php?id=13173
Електронна адреса навчально-методичного комплексу дисципліни «Передавання сигналів в інформаційних системах» у Віртуальній навчальній системі Львівської політехніки:
Дисципліна: http://vns.lpnu.ua/course/view.php?id=1209
Курсова робота: https://vns.lpnu.ua/course/view.php?id=13173
Signals Transmitting in Information Systems (курсова робота)
Major: Hardware-software devices of information communication systems
Code of subject: 6.172.10.O.027
Credits: 2.00
Department: Theoretical Radio Engineering and Radio Measurement
Lecturer: Prof., Dr. Eng. Sciences, Bohdan Volochiy
Semester: 4 семестр
Mode of study: денна
Завдання: The study of the educational discipline of the educational and professional program involves the formation of competencies in the students of education:
general competences: the ability to think abstractly, analyze and synthesize (ЗК-1) [form signal transformations, determine the requirements for signals taking into account the characteristics and parameters of the communication channels through which they must be transmitted]; the ability to apply knowledge in practical situations (ЗK-2) [determine the parameters of signals to match them with the characteristics of devices, communication channels]; ability to plan and manage time (ЗK-3); knowledge and understanding of the subject area and understanding of professional activity (ЗK-4); the ability to communicate in the state language both orally and in writing (ЗK-5) [for future professional activities knowledge and mastery of the terminology of radio technical signals]; the ability to work in a team (ЗK-6) [issuance of one version of the calculation task to two students, performing laboratory work by a team of two and three students] the ability to learn and master modern knowledge (ЗK-7) [develop additional literature]; the ability to system thinking (ЗK-13) [when making a decision to change the parameters of the time representation of a signal, one must take into account the associated change in the parameters of the frequency representation of this signal];
professional competences: the ability to use basic methods, methods and means of receiving, transmitting, processing and storing information (ФК-3) [understanding of methods of presenting information in the form of continuous and discrete messages, and thus converting them into digital signals and digital radio signals].
Learning outcomes: РН-1: Know the principles of building digital message transmission systems.
PH-2: Know the properties of interference-resistant (corrective) codes.
To know the method of designing a cyclic code and the method of synthesis of structural and functional schemes of encoder and decoder for it.
РН-3 To be able to evaluate the corrective possibilities of the code.
To be able to synthesize the structural and functional scheme of the cyclic code encoder and decoder.
PH-4: Know the classification of communication channels and the corresponding mathematical models.
Know the parameters of communication channels.
PH-5: To be able to form a mathematical model of a discrete communication channel and determine its statistical parameters.
PH-6: Know the methods of forming and receiving radio signals with amplitude, frequency and relative-phase manipulation.
PH-7: To be able to synthesize the structural and functional schemes of modulators and devices for recognizing the numbers "1" and "0" in a distorted digital radio signal.
PH-8: Know the methods of element-by-element reception of digital signals; possibilities of using noise-like signals.
РН-9: Be able to determine the expediency of using in the information transmission system (ITS) for receiving digital signals: the accumulation method, the optimal coordinated filtering method, the correlation method; carry out a synthesis of the structural and functional scheme of the receiver of digital signals.
PH-10: Know digital methods of processing and transmission of continuous messages.
РН-11: To be able to evaluate the effectiveness of using digital methods of transmitting continuous signals in ITS.
РН-12: Know the methods of multichannel signal transmission.
PH-13: To be able to analyze the causes of cross-channel influences in multi-channel ITS.
PH-14: To be able to synthesize the structural and functional scheme of the ITS.
Required prior and related subjects: Higher mathematics: Basics of probability theory and random processes
Basics of the theory of circles
Signals in information systems
Coding of information in telecommunication systems and networks
Theoretical foundations of telecommunications
Telecommunication systems of information transmission
Summary of the subject: In the discipline "Transmission of signals in information systems", students study the processes of signal transformation during their transmission from the source of messages to the recipient of information. The main attention is paid to digital information transmission systems. Along with this, the processes of signal transmission, which are characteristic of other radio-electronic information systems, are also considered.
Опис: Introduction. The purpose of studying the discipline. Acquaintance with educational and methodical support of the discipline in the National Security Service.
Chapter 1. Principles of building a digital information transmission system
Source of messages. Conversion of a continuous message (for example, an acoustic signal) into a continuous random (analog) electrical signal.
Transformation of a continuous random (analog) signal into a digital binary signal: representation of an analog signal by a sequence of counts (continuous-discrete random signal), Kotelnikov's theorem; formation of a discrete random signal; conversion of a discrete random signal into a digital signal, coding of discrete messages; the principle of interference-resistant coding.
Section 2. Interference-resistant encoding of messages. Interference-resistant cyclic code encoder and decoder.
Evaluation of the ability of codes to detect and correct errors in the transmission of individual digits: introduction of the concept of "distance between signals"; connection of the value of the minimum code distance with the properties of the interference-resistant code. The method of designing interference-resistant (corrective) codes by selecting allowed code combinations.
Cyclic interference-resistant (corrective) codes: method of designing cyclic codes; a mechanism for detecting and correcting errors in code combinations of a cyclic code; heuristic synthesis of structural and functional schemes of encoder and decoder of cyclic code; synthesis of the structural and functional scheme of the shift register as a functional module of the cyclic code encoder and decoder.
Chapter 3. Communication channels: characteristics, parameters, models
Classification of communication channels. Characteristics of communication channels.
Mathematical models of discrete, discrete-continuous and continuous communication channels: mathematical models of discrete communication channels; formulation of the problem of analysis of a discrete communication channel; peculiarities of using mathematical models of discrete communication channels; mathematical model of a discrete-continuous communication channel; mathematical models of continuous communication channels.
Chapter 4. Methods of recognition in distorted digital radio signals and digital signals of the digits "1" and "0".
Reception of a digital radio signal when its spectrum and spectrum of interference do not overlap: band filtering; direct amplification of the radio signal; superheterodyne method; heuristic synthesis of the structural and functional scheme of the demodulation device.
Chapter 5. Digital methods of processing and transmitting analog signals
Principles of digital signal filtering. Synthesis of structural and functional schemes of digital filters with limited and unlimited impulse characteristics.
Differential methods of digital signal transmission: differential pulse-code modulation; error coding of predicted values; delta modulation.
Chapter 6. Methods of multichannel signal transmission
The principle of multi-channel transmission of signals through a communication line.
The principle of building a multi-channel information transmission system with time compression of the communication line, transmission system with time compression of the communication line; analysis of the causes of cross-channel effects in multi-channel information transmission systems with time compression of the communication line.
Chapter 7. Methodological principles of a systematic approach to research and development of digital information transmission systems.
Indicators of functionality of modules (components) of the digital information transmission system. Selection of modulation methods and interference-resistant coding. Indicators of information, energy and frequency efficiency of information transmission systems. Marginal efficiency and the Shannon limit.
Assessment methods and criteria: Current monitoring of students' learning results is carried out using the virtual educational system of the university, in which there is a section "Current monitoring" on the website of the discipline "Transmission of signals in information systems". And also in practical and laboratory classes by checking and reviewing reports on completed individual tasks.
Semester control is carried out with the help of a virtual educational system, in which there is an "Exam" section on the website of the discipline "Transmission of signals in information systems". And also through an individual oral and written survey.
Критерії оцінювання результатів навчання: Current control:
Laboratory classes - 15 points
Practical classes - 15 points
Total current control - 30 points
Exam:
Written component – 60 points
Oral component – 10 points
Total for the discipline - 100 points
Recommended books: Курсова робота
7. Методичні вказівки до виконання курсової роботи з дисципліни «Передавання сигналів в інформаційних системах». Режим доступу: https://vns.lpnu.ua/course/view.php?id=13173
Електронна адреса навчально-методичного комплексу дисципліни «Передавання сигналів в інформаційних системах» у Віртуальній навчальній системі Львівської політехніки:
Дисципліна: http://vns.lpnu.ua/course/view.php?id=1209
Курсова робота: https://vns.lpnu.ua/course/view.php?id=13173