ملخص
A single-pixel imaging remote sensor operating at 330 GHz is described. It is based on a frequency modulated continuous wave (FMCW) and aimed at detection of concealed objects for ranges up to 40 m. The system consists of 2 horn-lens antennas integrated with a homodyne transceiver. The synthesized linear FMCW signal at X-band is multiplied by a factor of 32 to generate the transmitted signal. An intermediate frequency (IF) signal obtained in the output port of the 2-nd harmonic mixer is employed for image processing. Distance measurements were made by performing data acquisition unit based on LabView interface and resulting in a range resolution about 1 cm. Examples of 2D and 3D images reconstructed with this sensor are presented.
| اللغة الأصلية | الإنجليزيّة |
|---|---|
| الصفحات (من إلى) | 1370-1381 |
| عدد الصفحات | 12 |
| دورية | Journal of Infrared, Millimeter, and Terahertz Waves |
| مستوى الصوت | 31 |
| رقم الإصدار | 11 |
| المعرِّفات الرقمية للأشياء | |
| حالة النشر | نُشِر - نوفمبر 2010 |
بصمة
أدرس بدقة موضوعات البحث “330 GHz FMCW image sensor for homeland security applications'. فهما يشكلان معًا بصمة فريدة.قم بذكر هذا
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