440-2305/01 – Transmission Mediums (PM)
Gurantor department | Department of Telecommunications | Credits | 4 |
Subject guarantor | Ing. Iva Petříková, Ph.D. | Subject version guarantor | Ing. Iva Petříková, Ph.D. |
Study level | undergraduate or graduate | Requirement | Optional |
Year | 3 | Semester | winter |
| | Study language | Czech |
Year of introduction | 2010/2011 | Year of cancellation | 2011/2012 |
Intended for the faculties | FEI | Intended for study types | Bachelor |
Subject aims expressed by acquired skills and competences
Understand problems of signal transmission on metallic and optical medium.
Learning outcomes are set so that the students are able to identify and apply tasks in the field of transmission media.
Teaching methods
Lectures
Tutorials
Experimental work in labs
Summary
Lead substitute scheme, primary and secondary lead parameters, telegraph equation, cable construction, metallic lead inhomogeneity and capacitive imbalance, balancing vf symmetrical cables, defect survey in cable, optical fiber in telecommunication, transmission chain block diagram along optical fiber, optical signal fiber transmission principle, losses in fiber, construction, fiber splicing, lights sources and detectors, optical signal wave-length and transmission window, transmission capacity, transmission rate, amplification length and repeating section, digital signal immunity against disturbance and distortion.
Compulsory literature:
Recommended literature:
Way of continuous check of knowledge in the course of semester
Individual work, reports from laboratory exercises and test.
E-learning
Other requirements
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
Lectures:
Block diagram of transmission chain. Development of telecommunications lines. Basic concepts. The replacement scheme management. Primary and secondary parameters leadership.
The theory of circuit - the telegraph equation. The length of the speed of waves and waves spread over the management. Infinite long homogenous leadership. Keeping completed wave impedance.
Input impedance of circuit. The calculation of primary and secondary parameters on the basis of input impedance measurement and shortage. Electrical length of circuit.
Homogeneous leadership in the high frequencies. Utilization management substation for the transmission of telecommunications signals.
Types, characteristics and use of metallic telecommunications lines. Ouverground lines, cable lines - symmetrical and coaxial. Frequency characteristics of the secondary parameters depending on the type of management and use of telecommunications lines.
Non-homogeny metallic circuits capacity asymmetry. The methods of disposal capacity imbalances.
Measurement of the cables - the localization of insulation defects.
Introduction to the telecommunications and optical fibres.
Principles of optics, electromagnetic waves, rays, photons.
Fundamentals of optical fibres, the basic structure, the role of Numerical Aperture.
Attenuation, bending loss, scattering, absorption, the calculation of the total phasing-out, the measurement methods downturn.
Mode and chromatic dispersion, fashion, dispersions causes and methods of their reduction.
Transfer speed and bandwidth, link dispersion and bandwidth.
Optical cables, the orientation of the catalogue parameters.
Exercises:
Exam prerequisites, safety training. Addressing examples - the calculation of secondary parameters, the ideal management and circuits without bias.
Examples - the calculation of voltage and current in the media management ended by a general impedance.
Examples - the calculation of primary and secondary parameters measured values of the input impedance and short runs.
Calculations geometric properties of optical fibres.
Calculations attenuation of optic fibres.
Calculations dispersions and transmission speed.
Working with catalogue sheets of optical fibres and cables.
Laboratories:
Frequency dependence wave impedance and wave down transform in speech frequency band.
Measurement of the absolute value of the input impedance circuits.
The focus disrupted veins on cable.
The measurement service, payment and the residual decay.
Preparing for the measurement of optical fibres and cables, their own measurements.
Concentrations of optical fibres and cables.
Implementation of thread-optic connectors and their treatment.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction