![The figure shows a transmitter and a receiver of waves contained in a single instrument. It is used to measure the speed u of a target object idealized as a flat plate The figure shows a transmitter and a receiver of waves contained in a single instrument. It is used to measure the speed u of a target object idealized as a flat plate](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1081563/original_27.png)
The figure shows a transmitter and a receiver of waves contained in a single instrument. It is used to measure the speed u of a target object idealized as a flat plate
![RF Measuring Equipment: Guide to Selecting & Using Electromagnetic Field Measurement Instruments for RF Radio Frequency Surveys RF Measuring Equipment: Guide to Selecting & Using Electromagnetic Field Measurement Instruments for RF Radio Frequency Surveys](https://inspectapedia.com/emf/EMF-Meters-131-DJFs.jpg)
RF Measuring Equipment: Guide to Selecting & Using Electromagnetic Field Measurement Instruments for RF Radio Frequency Surveys
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Amazon.com: XSA810 Spectrum Analyzer Spectrum Amplitude Frequency Test Portable Spectrum Measuring Instrument Tool 9kHZ‑1.00009GHZ(AU 100‑240V) : Industrial & Scientific
![Amazon.com: XSA810 Spectrum Analyzer Spectrum Amplitude Frequency Test Portable Spectrum Measuring Instrument Tool 9kHZ‑1.00009GHZ(AU 100‑240V) : Industrial & Scientific Amazon.com: XSA810 Spectrum Analyzer Spectrum Amplitude Frequency Test Portable Spectrum Measuring Instrument Tool 9kHZ‑1.00009GHZ(AU 100‑240V) : Industrial & Scientific](https://m.media-amazon.com/images/I/61zAY2R4jSS.jpg)