National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Design and realisation of microwave directional coupler
Nejedlý, Miroslav ; Motl, Milan (referee) ; Dvořák, Radek (advisor)
The diploma thesis deals with microwave directional coupler. The paper presents some of the microwave directional coupler and an analysis of bifurcations. The paper also discussed the various techniques of bifurcations and the bandwidth to which they are making. Proposal is implemented in two selected directional couplers and determining their size. They also performed using the selected simulation program selected two bifurcations. Furthermore, these couplers are made on the perimeter of the analyzer is verified by their actions and are verified by the actual parameters of the coupler.
Welding technology and assembly of bifurcation
Keprt, Michal ; Daněk, Ladislav (referee) ; Kubíček, Jaroslav (advisor)
Aim of this work is design and manufacturing welding technology of bifurcation. For structural design and control of static calculation using the finite element method was used SolidWorks ® 2013. Material of bifurcation parts was designed S 355 J2, which is able to withstand a given load. In the design of technology of welding there was elected MAG-welding method, with the active gas mixture Ar +18% CO2. Additive material for welding will be OK Autrod 12.51, like it‘s marked by ESAB s.r.o. For each weld is necessary to create the welding edge, which is made on CNC machining center. In the production we require strict adherence to the prescribed workflow and compliance with WPS protocol. After welding we will make weld test, visual examination, dye penetrant and ultrasonic examination.
Design and realisation of microwave directional coupler
Nejedlý, Miroslav ; Motl, Milan (referee) ; Dvořák, Radek (advisor)
The diploma thesis deals with microwave directional coupler. The paper presents some of the microwave directional coupler and an analysis of bifurcations. The paper also discussed the various techniques of bifurcations and the bandwidth to which they are making. Proposal is implemented in two selected directional couplers and determining their size. They also performed using the selected simulation program selected two bifurcations. Furthermore, these couplers are made on the perimeter of the analyzer is verified by their actions and are verified by the actual parameters of the coupler.
Welding technology and assembly of bifurcation
Keprt, Michal ; Daněk, Ladislav (referee) ; Kubíček, Jaroslav (advisor)
Aim of this work is design and manufacturing welding technology of bifurcation. For structural design and control of static calculation using the finite element method was used SolidWorks ® 2013. Material of bifurcation parts was designed S 355 J2, which is able to withstand a given load. In the design of technology of welding there was elected MAG-welding method, with the active gas mixture Ar +18% CO2. Additive material for welding will be OK Autrod 12.51, like it‘s marked by ESAB s.r.o. For each weld is necessary to create the welding edge, which is made on CNC machining center. In the production we require strict adherence to the prescribed workflow and compliance with WPS protocol. After welding we will make weld test, visual examination, dye penetrant and ultrasonic examination.

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