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170 GHz

Gyrotrons for magnetic fusion applications at 110 GHz and 170 GHz

Gyrotrons for magnetic fusion applications at 110 GHz and 170 GHz

... 110 GHz and 170 GHz have recently been fabricated at ...110 GHz gyrotron is designed to produce ...The 170 GHz gyrotron, though specified as a 500 kW CW system, has been designed ...

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Commissioning of 170 GHz, 1 MW EC H&CD in KSTAR

Commissioning of 170 GHz, 1 MW EC H&CD in KSTAR

... sec of 0.6 MW EC beam was injected into the plasma for the assisted start-up in order to reduce the flux consumption with the second harmonic condition at toroidal magnetic field of 3 T, and for the auxiliary heating for ...

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Implementation of Two Methods for Designing the Profiles of Mirrors in Quasi-Optical Mode Converter for 170 GHz
 Transverse Output Gyrotron

Implementation of Two Methods for Designing the Profiles of Mirrors in Quasi-Optical Mode Converter for 170 GHz Transverse Output Gyrotron

... Abstract—In order to improve the efficiency of the quasi-optical mode converter, two methods to design mirror systems for a 170 GHz gyrotron operating in TE 32,9 mode are presented in this paper. The first ...

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Experimental results and recent developments on the EU 2 MW 170 GHz coaxial cavity gyrotron for ITER

Experimental results and recent developments on the EU 2 MW 170 GHz coaxial cavity gyrotron for ITER

... This refurbished prototype was delivered to CRPP with major delays due to manufacturing problems in September 2011. It was shortly tested with good success, but the experiments were terminated by an internal RF absorber, ...

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Report of recent experiments with the European 1 MW, 170 GHz CW and SP prototype gyrotrons for ITER

Report of recent experiments with the European 1 MW, 170 GHz CW and SP prototype gyrotrons for ITER

... MW, 170 GHz industrial CW prototype gyrotron has been designed within EGYC (European GYrotron Consortium) in collaboration with the industrial partner Thales Electron Devices (TED) and under the ...

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A study on the output beam profile of a ring resonator type diplexer

A study on the output beam profile of a ring resonator type diplexer

... vertical of the incident plane for reducing Ohmic loss of mitre-bends and suppressing counter rotating modes in a ring resonator. The diplexer was designed to capable replacing the half mirrors. The sapphire disk with 1 ...

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The feasibility of water vapor sounding of the cloudy boundary layer using a differential absorption radar technique

The feasibility of water vapor sounding of the cloudy boundary layer using a differential absorption radar technique

... 183 GHz water vapor absorption line attenuate too strongly to penetrate the large vapor concentra- tions that are ubiquitous in the boundary ...and 170 GHz in the water vapor absorption continuum and ...

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Design and Development of a D-Band Corrugated Horn Antenna for Millimeter-Wave Plasma Diagnostics

Design and Development of a D-Band Corrugated Horn Antenna for Millimeter-Wave Plasma Diagnostics

... Abstract—In fusion reaction, plasma parameters such as the density and temperature of electrons should be diagnosed continuously. There are various methods to diagnose plasma parameters. In these, reflectometry systems ...

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Theoretical Study on the Operation of the EU/KIT TE34,19-Mode Coaxial-Cavity Gyrotron at 170/204/238 GHz

Theoretical Study on the Operation of the EU/KIT TE34,19-Mode Coaxial-Cavity Gyrotron at 170/204/238 GHz

... In initial studies, the KIT pre-prototype cavity without the non-linear uptaper was considered and already presented in [12]. However, the simulation results will be repeated within this paper for completeness. There, ...

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Study of off-axis current drive using EC top-launch in KSTAR

Study of off-axis current drive using EC top-launch in KSTAR

... KSTAR aims to develop advanced tokamak operation mode with enhanced broad off axis current drive using off-axis NBI and RF heating devices [1]. In the KSTAR ECRH system upgrade plan, we will install four 105/140 ...

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Dual Trident UWB Planar Antenna with Band Notch for WLAN

Dual Trident UWB Planar Antenna with Band Notch for WLAN

... The first UWB antenna with notched characteristics in Table 1 used the extended strip and loaded strip methods to achieve a size of 28 . 5 × 28 . 5 × 0 . 635 mm 3 and 5–6 GHz notch band [1]. In [2], by using a ...

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Triple Band Notched UWB Antenna Design Using Electromagnetic Band Gap Structures

Triple Band Notched UWB Antenna Design Using Electromagnetic Band Gap Structures

... 3.45 GHz with VSWR value of 4.6, in WLAN band the notch centred at 5.55 GHz with VSWR value of ...7.6 GHz with VSWR of ...3.45 GHz, 5.55 GHz and 7.6 GHz are found to be ...

9

A Compact Dual-Band Patch Antenna for WLAN Applications

A Compact Dual-Band Patch Antenna for WLAN Applications

... A compact CPW-fed patch antenna is proposed and investigated in this paper. U-shaped slot and mitered corners are employed to provide a lower band of 2.40 GHz–2.48 GHz and an upper band of 5.15 GHz– ...

8

Compact F-shaped Mobile Antenna for Multiple Wireless Applications

Compact F-shaped Mobile Antenna for Multiple Wireless Applications

... handsets, ranging from the first GSM handset with an internal antenna to the current Nokia, Sony-Ericsson, Motorola, and Apple handsets was developed (Corbett Rowell and Edmund Y. Lam, 2012). In 2014 a multiband ...

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A Broadband 3D Printed Fractal Tree Monopole Antenna

A Broadband 3D Printed Fractal Tree Monopole Antenna

... The Makerbot Replicator 2X 3D printer requires any model it prints to have a qualitatively large base, otherwise the print will not adhere properly to the build plate. It also requires that the model only have minimal ...

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CPW-Fed UWB Compact Antenna for Multiband Applications

CPW-Fed UWB Compact Antenna for Multiband Applications

... 1.8 GHz while in the UWB range the maximum gain is ...1.4 GHz, 0.2 dBi at 2.2 GHz and a maximum gain of ...2.57 GHz, the lowest frequency of operation of the dual/triple-band antenna is ...

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CPW Dual-Band Antenna Based on Asymmetric Generalized Metamaterial Π NRI Transmission Line for Ultra Compact Applications

CPW Dual-Band Antenna Based on Asymmetric Generalized Metamaterial Π NRI Transmission Line for Ultra Compact Applications

... The antenna reflection coefficient is measured using vector network analyzer. The different simulated and measured reflection coefficients are shown in Fig. 4. As shown in the figure, there is a good agreement among the three ...

9

5G Communications Multiband Antenna Design

5G Communications Multiband Antenna Design

... Here, the design and implementation of Multiband Rectangular Microstrip antenna is presented. The antenna is designed the uniqueness of this design is the antenna can support 2.4-GHz Bluetooth and/or ...

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Design of an Edge-Fed Quad-Band Slot Antenna for GPS/WiMAX
/WLAN Applications

Design of an Edge-Fed Quad-Band Slot Antenna for GPS/WiMAX /WLAN Applications

... In this letter, a compact planar quad-band circular slot monopole antenna with 2-dimensional structure is introduced. Both the structure and the parameters are carefully adjusted to achieve multi-resonances, sufficient ...

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C13 170 Computer Communications pdf

C13 170 Computer Communications pdf

... In a single CC-80 system, the Communications and Control Processor, one or two I/O Processors, and one or more of direct access type Base Line interfaces can be attached to the Memory Bu[r] ...

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