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Puranen M, Eskelinen P. A short-pulse K(a)-band instrumentation radar for foliage attenuation measurements. Rev Sci Instrum. 2008;79(10):106106doi: 10.1063/1.3006330.
Puranen, M., & Eskelinen, P. (2008). A short-pulse K(a)-band instrumentation radar for foliage attenuation measurements. The Review of scientific instruments, 79(10), 106106. https://doi.org/10.1063/1.3006330
Puranen, Mikko, and Eskelinen, Pekka. "A short-pulse K(a)-band instrumentation radar for foliage attenuation measurements." The Review of scientific instruments vol. 79,10 (2008): 106106. doi: https://doi.org/10.1063/1.3006330
Puranen M, Eskelinen P. A short-pulse K(a)-band instrumentation radar for foliage attenuation measurements. Rev Sci Instrum. 2008 Oct;79(10):106106. doi: 10.1063/1.3006330. PMID: 19044750.
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Rev Sci Instrum. 2008 Oct;79(10):106106. doi: 10.1063/1.3006330.

A short-pulse K(a)-band instrumentation radar for foliage attenuation measurements.

The Review of scientific instruments

Mikko Puranen, Pekka Eskelinen

Affiliations

  1. Metrology Research Institute, Helsinki University of Technology, Otakaari 5A, Espoo 02150, Finland.

PMID: 19044750 DOI: 10.1063/1.3006330

Abstract

A portable K(a)-band instrumentation radar for foliage attenuation measurements has been designed. It uses direct dielectric resonator oscillator multiplier pulse modulation giving a half power pulse width of 17 ns. The dual conversion scalar receiver utilizes either a digital storage oscilloscope in envelope detection format or a special gated comparator arrangement providing 1 m resolution and associated led seven segment display for data analysis. The calibrated dynamic range is better than 37 dB with an equivalent noise floor of 0.005 dBsm at 25 m test range distance. First experiments indicate an effective beamwidth close to 1 degree. The total weight is below 5 kg and the unit can be mounted on a conventional photographic tripod. Power is supplied from a 12 V/6 A h sealed lead acid battery giving an operating time in excess of 10 h.

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