heterodyne


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Words related to heterodyne

combine (a radio frequency wave) with a locally generated wave of a different frequency so as to produce a new frequency equal to the sum or the difference between the two

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of or relating to the beat produced by heterodyning two oscillations

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References in periodicals archive ?
Zhang, "Performance analysis of temperature and strain simultaneous measurement system based on heterodyne detection of Brillouin scattering," in 2008 1st Asia-Pacific Optical Fiber Sensors Conference, vol.
Adjusting projected [24] If four-step phase The RMS error pattern intensities shifting algorithm reaches 0.012 mm and heterodyne within 320 mm * 30 phase unwrapping mm * 150 mm algorithm are measurement volume used, it needs 7 + size.
As described in a 2010 article, "Coherent measurements require a phase reference from the original signal (homodyne), a frequency-offset reference sufficient to fully separate the down-converted spectra (heterodyne), or from a free-running, but similar-frequency independent source.
[24.] Wang, H., "Design and modeling of monolithic circuits Schottky diode on a GaAs substrate at millimeter and submillimeter wavelengths heterodyne receivers for multi-pixel and on board satellites dedicated to planetary aeronomy," Ph.D.
Laser doppler velocimeter (Melectro, V1002) based on the heterodyne interference technique is used.
Utilizing this principle enables the use of a heterodyne FMCW transceiver with more than 100 mW output CW power and a receiver noise factor of around 11 dB.
He said, "The spectrum analyzer is 'primarily based on the heterodyne signal-mixing technology to quickly and accurately gain insight into the signal-under-test in the frequency domain.
To implement a 2.4/5.7 GHz dual-band WLAN receiver, a direct conversion receiver (DCR) is more suitable for integrated circuit design than a heterodyne receiver, since an external image-reject filter is no longer required.
Heterodyne receivers mix the carrier with a local oscillator to produce an intermediate frequency (IF) higher in frequency than the bandwidth of the modulation to be recovered.
For 802.11a WLAN applications (5.725 to 5.825 GHz), the proposed heterodyne receiver architecture is shown in Figure 2.
By using optical heterodyne mixing of a high-speed optical OFDM baseband signal with a free-running laser, the system can seamlessly generate a high capacity W-band wireless signal, while preserving transparency to bit rates, modulation format and RF carrier.
For an 802.11a WLAN application (5.725 to 5.825 GHz), a proposed heterodyne receiver architecture is shown in Figure 1.