نتایج جستجو برای: microwave sensor
تعداد نتایج: 237660 فیلتر نتایج به سال:
This article presents a design methodology and prototyping of an angular speed sensor based on microwave polarimetry. The detection mechanism relies the transmission response dual-polarized circular aperture irradiating array regularly spaced copper traces printed PCB. generated is regular pulse train defined by location trace with reference to center aperture. While can be sampled at any rate ...
In this article, the experimental demonstration of a novel microwave gas sensor based on graphene aerogel (GA) is presented. This device makes use highly porous structure in combination with modulation AC conductivity upon exposure to vacuum and ambient air. As proof concept, we integrate GA into rectangular waveguides measure its scattering parameters vector network analyzer (VNA). The charact...
The images acquired by microwave sensors are blurry and have low resolution. On the other hand, the images obtained using infrared/visible sensors are often of higher resolution. In this paper, we develop a data fusion methodology and apply it to enhance the resolution of a microwave image using the data from a collocated infrared/visible sensor. Such an approach takes advantage of the spatial ...
On October 18, 2003, the Defense Meteorological Satellite Program (DMSP) successfully launched the DMSP F16 satellite with the first Special Sensor Microwave Imager Sounder (SSMI/S) instrument aboard. The SSMI/S is a conically-scanning passive microwave radiometer that includes seven temperature-sounding channels with weighting functions peaking below 30 km (channels 1-7), and six peaking betwe...
Differential optical detection of a magnetic resonance induced in nitrogen-vacancy (NV) centers in diamond is shown to enable a high-spatial-resolution room-temperature magnetic-field gradiometry on a fiber platform. An ultracompact design of this fiber-based solid-state magnetic gradiometer is achieved by integrating an NV-diamond magnetic sensor with a two-fiber opto-microwave interface, whic...
We investigate theoretically the use of an electron in a Penning trap as a detector of single microwave photons. At the University of Sussex we are developing a chip Penning trap technology, designed to be integrated within quantum circuits. Microwave photons are guided into the trap and interact with the electron’s quantum cyclotronmotion. This is an electric dipole transition, where the near ...
This work analyzes several remote sensing instrument capabilities in monitoring dust storms. Multisensor data analysis is carried out to study the behavior of dust particles at different wavelengths. A technique based on a combination of optical and microwave sensing of dust storms, using the Moderate Resolution Imaging Spectrometer (MODIS) and the Tropical Rainfall Measuring Mission (TRMM) Mic...
Variation of snow cover area (SCA) in small to large scale catchment can be studied using MODIS snow products on daily to montly time step since the year 2000. However, one of the major problems in applying the MODIS snow products is cloud obscuration which limits the utilization of these products. In the current study, variation of SCA was investigated in Karoun basin, western part of Iran, us...
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