Last edited by Nikogami
Sunday, August 2, 2020 | History

2 edition of Microwave reflectometer ionization sensor found in the catalog.

Microwave reflectometer ionization sensor

Microwave reflectometer ionization sensor

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  • 2 Currently reading

Published by National Aeronautics and Space Administration, Langley Research Center, National Technical Information Service, distributor in Hampton, Va, [Springfield, Va .
Written in English

    Subjects:
  • Reflectometer.

  • Edition Notes

    StatementJoseph Seals ... [et al.].
    SeriesNASA contractor report -- 191464., NASA contractor report -- NASA CR-191464.
    ContributionsSeals, Joseph, 1953-, Langley Research Center.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL14700747M

    electromagnetics analysis for space station antennas, and development of the Microwave Reflectometer Ionization Sensor (MRIS), which is one of 12 experiments on the Aeroassist Flight Experiment (AFE) spacecraft. He jOined the Langley staff as an aerospace technologist in July From to. Product Title Whirlpool - Cu. Ft. Microwave with Sensor Cookin Average rating: out of 5 stars, based on reviews ratings Current Price $ $

    By combining the architecture of superheterodyne and multichannel direct-detection of traditional microwave radiometer receiver, the proposed microwave receiver has advantages of excellent multichannel measuring time, good wideband performance, high-linearity, and low complexity. Rapid growth in the performance exhibited by then-new microwave solid-state devices along with a perceived maturity of microwave power tube technology convinced military decision-makers that long range military needs would be served best by solid-state RF sources.

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Microwave reflectometer ionization sensor Download PDF EPUB FB2

Sensitivity of High-Q, Low-Q resonator based sensors and microwave reflectometer sensor when DI water, and S/m, S/m, 1 S/m and 3 S/m saline solution are used. An input power of 13 dBm, and lock-in 50 Hz bandwidth is use in all by: 5.

Toshiba EMA5C-BS Microwave Oven with Smart Sensor, Easy Clean Interior, ECO Mode and Sound On/Off,W, Black Stainless Steel (Renewed) out of 5 stars 61 $ $ The design is implemented on a printed circuit board.

Capacitance sensitivity up to aF is achieved in a 50 Hz bandwidth. The sensor was used for detection of μm polystyrene spheres and Chinese Hamster Ovary (CHO) cells flowing over co-planar electrodes in a microfluidic chip.

The reflectometer was used in a dielectrophoresis by: 5. The development of the Microwave Reflectometer Ionization Sensor (MRIS) Instrument for use on the Aeroassist Flight Experiment (AFE) spacecraft is described.

The instrument contract was terminated, due to cancellation of the AFE program, subsequent to testing of an engineering development model. The MRIS, a four-frequency reflectometer, was Cited by: 1.

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The developed sensor covered with acetone-sensitive copper-oxide film together with a reflectometer operating over GHz – GHz band were incorporated in a gas measurement system to test its response to low acetone concentrations in the range of ppm – 5 ppm.

Generic HT-M2 Microwave Leakage Detector - LCD Display - High Sensitivity to Radiation - Builtin Alarm Function [9V Battery Included] out of 5 stars 19 $ $ An instrument that measures the index of refraction of the atmosphere by measuring the travel time of microwave signals through each of two precision microwave transmission cavities, one of which is hermetically sealed to serve as a reference.

This manuscript describes the Microwave Interferometric Reflectometer (MIR) instrument, a multi-beam dual-band GNSS-Reflectometer with beam-steering capabilities built to assess the performance of a PAssive Reflectrometry and Interferometry System—In Orbit Demonstrator (PARIS-IoD) like instrument and to compare the performance of different GNSS-R techniques.

InNASA launched Microwave Reflectometer Ionization Sensor program (MRIS, halted in ) MRIS was to include 4 reflectometers Target frequencies: 20 GHz, 44 GHz, 95 GHz and GHz Bandwidth of 4 GHz, stepped frequency (64 x 64 MHz) Japanese Orbital Re-entry Experiment (OREX) in Abstract: A nondestructive broadband permittivity-measurement method using an automatic six-port reflectometer is presented.

The impedance sensor is an open-ended coaxial line terminated by a semi-infinite medium. The equivalent model of the sensor used is based on an equivalent effective transmission-line length which models the fringing field at the extremity of the probe.

The development of the Microwave Reflectometer Ionization Sensor (MRIS) Instrument for use on the Aeroassist Flight Experiment (AFE) spacecraft is described. The instrument contract was terminated, due to cancellation of the AFE program, subsequent to testing of an engineering development model.

COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle.

The measurement system consists of a microwave sensor, directional coupler and a PIC microcontroller. The microwave sensor is a square flanged open-ended coaxial (OEC) sensor made from SMA stub.

Microwave solid-state devices. Semiconductor devices used for the detection, generation, amplification, and control of electromagnetic radiation with wavelengths from 30 cm to 1 m.

An HP automatic network analyser and a six-port reflectometer have been used with a purpose-built calculable open-ended coaxial line sensor to measure the reflection coefficients of various materials, including dielectric reference liquids, in.

The microwave probe sensor was optimized for any rubber cup lump sizes. • The moisture content of a rubber cup lump relates to the microwave reflection coefficient. • A rubber cup lump classification scheme based on optimized threshold. • The classification performance compared with standard method (AOAC, ) achieves %.

The problem of electromagnetic coupling between two horns is of interest fi_r the Microwave Reflectometer Ionization Sensor (MRIS) that will be used in the Aeroassist Flight Exper-iment (AFE). Laboratory measurements of mutual coupling between conical horns (using.

A time-domain reflectometer (TDR) is an electronic instrument used to determine the characteristics of electrical lines by observing reflected waveforms. It can be used to characterize and locate faults in metallic cables (for example, twisted pair wire or coaxial cable).

It can also be used to locate discontinuities in a connector, printed circuit board, or any other electrical path. The stand-alone reflectometer consists of a PC, a microwave source, diode detectors and an analog to digital converter.

All the measurement and data acquisition were done using Agilent VEE graphical programming software. The relectometer can be used with any reflection based microwave sensor. In this work, the application of the reflectometer.A handheld microwave reflectometer-sensor system is developed to operate from to GHz and used to measure volumetric and gravimetric moisture content in various types of soils from 0% to 45%.SSIES, Special Sensors-Ions, Electrons, and Scintillation thermal plasma analysis package SSMIS, Special Sensor Microwave Imager / Sounder Structured-light 3D scanner.