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network analyzer
A new method for measuring the complex reflection coefficient in rectangular waveguides using a scalar network analyzer is proposed.
      
The complex permittivity of chernozem samples with various weight moisture contents are measured in the frequency range 250-3500 MHz by the transmission-line method with the use of a ZVCE Rohde >amp;amp; Schwarz vector network analyzer.
      
We used a vector network analyzer to generate and analyze intensity modulation from 100 MHz up to 1 GHz via a diode laser and an avalanche photo diode.
      
The microstructure, composition and electromagnetic characteristics of SiO2-coated and uncoated metal fibers were studied using SEM, EDAX, and a voter network analyzer.
      
Scattering measurements are performed using a Vector Network Analyzer (VNA).
      
A Vector Network Analyzer has been used for wideband phase and magnitude measurements of radar return.
      
We develop a high resolution ground penetrating radar system (LANRCS-GPR) based on the E5071B Vector Network Analyzer (VNA).
      
This system takes advantage of a wideband and adjustable frequency domain ground penetrating radar system and adds the characteristics of a network analyzer with ultra-wideband and high precision measurement.
      
In particular, the permittivity of the samples was measured by a network analyzer and then the experimental data were fitted as function of microwave frequency and carbon black content, ε*=ε*(f,C).
      
To evaluate the compatibility of these materials with thermal regeneration via dielectric heating, complex permittivities were studied over the microwave-frequency span between 4 and 26?GHz using a vector network analyzer based measurement system.
      
The characteristics of surface-acoustic-wave (SAW) devices on various substrates were measured by a network analyzer in the temperature range from 0 to 80?°C.
      
The transmission coefficient S21 spectra for the resonators have been measured using a vector network analyzer and simulated using a commercial electromagnetic simulation package, IE3D.
      
The reflection coefficient of the resonator device was measured using an HP8720 network analyzer.
      
Inspection of dielectric thin films (25.4-508 μm) placed directly above a conducting plate is performed with a W-band millimeter-wave network analyzer.
      
Soil Water Content Determination Using Network Analyzer Reflectometry Methods
      
Using a network analyzer (NA) with a low-noise synthesized TDR, parallel-rod probes, and a resonant waveguide approach, θv was measured from 0.02 to 0.25 m3 m-3 within the range of 50 to 900 MHz in sand.
      
Soil water content determination using a network analyzer and coaxial probe
      
The qualitative simulation method has been implemented in Java in the computer tool Genetic Network Analyzer.
      
This paper will describe the application of an interactive queueing network analyzer and an interactive graphics system to the analysis of a multiple processor computer system.
      
For example, parametric-decomposition approximations are used in the Queueing Network Analyzer (QNA).
      
 

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