frequency scanning

frequency scanning

[′frē·kwən·sē ‚skan·iŋ]
(electronics)
Type of system in which output frequency is made to vary at a mechanical rate over a desired frequency band.
References in periodicals archive ?
The report said that the iPhone's Touch ID feature uses radio frequency scanning to detect the sub-epidermal layers of the skin and hence, it is indispensable for a user to be alive and attached.
An interesting option is the use of a receiving probe based on a frequency scanning antenna array [30-33], which can be directly controlled by the VNA, as it provides the required steering behavior, without further increasing the complexity of the measurement setup.
The pistol grip version offers an arched handle and ergonomic trigger, making high frequency scanning operations comfortable throughout the day.
Our novel frequency scanning range estimation technique is explained in Section 4.
1) Frequency scanning (one frequency at a time, 0,5s measurement per frequency, complex DFT realized as convolution or dot-product by reference (excitation frequency) sine- and cosine-waves (Fig.
Expertise and technology available to clients run the gamut from Warehouse Management System (WMS) and Yard Management System (YMS) programs, to USDA import/export services, multi-vendor consolidation, independent third party sanitation inspections, fumigation, radio frequency scanning and EDI--plus flexible shipping and receiving hours.
In addition, frequency scanning for dynamic mechanical analysis (DMA) allows one to produce a master curve for the samples.
The product also features automatic channel scan with channel memory, as well as frequency scanning for automatic fine tuning and allows users to change and set screen brightness, contrast, saturation, hue, gamma and sharpness levels.
Access to the stores is maintained through a web browser and handheld radio frequency scanning devices.
More sophisticated classes demonstrate higher gains and some are capable of frequency scanning.

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