A microwave four-channel null L-band radiometer

Филатов, А. В.; Ubaichin, A. V.; Paraev, D. E.

doi:10.1134/s0020441211060066

Cited by 16 publications

(12 citation statements)

References 3 publications

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“…This feature allows us to avoid the use of the fiducial noise generators based on the impact avalanche and transit-time diode and Gunn diode. In comparison with the radiometer described in [5], the designed radiometer has a simplified structure as it excludes the directional coupler, noise generator and second microwave switch. The described radiometer does not need the matched load temperature control for measurement result correction.…”

Section: Resultsmentioning

confidence: 99%

“…The generation of the fiducial noise signal by the reflection of the receiver noise is associated with a number of the features described, for example, in [5]. In the considered radiometer, these features can also be observed, including those associated with the receiver noise interference.…”

Section: Resultsmentioning

confidence: 99%

“…It implies reflection of the radiometric receiver noise in the short load. The fulfillment of condition (4) leads to the equality of the voltage-time areas [5]:…”

Section: Operating Principlementioning

confidence: 99%

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Underlying Surface Remote Sensing by the Microwave Radiometer with High Measurement Rate

et al. 2016

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Abstract. The paper describes a new approach to microwave radiometer design. The approach implies simultaneous using both modified zero measurement method and multi-receiver technique. Simultaneous using increases the operating characteristics of airborne microwave radiometers for aircrafts with self-contained power supply. The block diagram of the onboard Earth remote sensing microwave radiometric system is presented. The block diagram and operating timing diagrams of the designed radiometer are shown. An original technique to design a fiducial noise source for transfer characteristics is discussed. The advantages of the designed radiometer in comparison with the state of the art zero-type microwave radiometer are described.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Underlying Surface Remote Sensing by the Microwave Radiometer with High Measurement Rate

et al. 2016

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“…In papers [6][7][8], a new method of increasing fluctuation sensitivity was described. It is based on the multi-receiver design principle used together with the null method of measurement.…”

Section: Radiometer Modelsmentioning

confidence: 99%

Fluctuation sensitivity models of microwave radiometers

Abdirasul¹,

Alekseev²,

Minenko³

et al. 2017

Proceedings of the IV International Research Conference "Information Technologies in Science, Management, Social Sphere and Med

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“…We are designing a new type of microwave radiometers [5,7]. A microwave radiometer based on the modified radiometric zero-measurement method and multi-receiver concept for designing radiometric systems made up of four receivers is described in [7].…”

Section: Advances In Computer Science Research (Acsr) Volume 72mentioning

confidence: 99%

Method of radio communication based on non-deterministic radio signals

Ubaichin¹,

Zhuk²

2017

Proceedings of the IV International Research Conference "Information Technologies in Science, Management, Social Sphere and Med

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Abstract-The paper describes a method to make a noiseimmune radio communication system with high emission security. The noise-immunity and emission security of information transmitting are provided through the use of nondeterministic radio signals (white Gaussian noise). The block diagrams of the receiver and transmitter to develop the user hardware equipment are presented. The communication range, detection by means of modern passive radar systems and intentional interference effect are considered.

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A microwave four-channel null L-band radiometer

Cited by 16 publications

References 3 publications

Underlying Surface Remote Sensing by the Microwave Radiometer with High Measurement Rate

Underlying Surface Remote Sensing by the Microwave Radiometer with High Measurement Rate

Fluctuation sensitivity models of microwave radiometers

Method of radio communication based on non-deterministic radio signals

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