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ブログ: #SPECTRUM ANALYZER

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Spectrograms show spectral activity over time with amplitude indicated by color
Spectrogram Types: The Many Faces of the Spectrogram Tuesday, November 15, 2022
What is a Spectrogram A spectrogram is a graphic that shows the viewer how the frequency domain content (spectral content) of a signal or signals is changing or progressing over time. It consists of a collection of spectrum traces that are collected/processed over time and stacked next to each other, much like slices of bread in a loaf. While each individual spectrum trace would be on the “butter …
EMI application
Building Your Own EMI Troubleshooting and Pre-Compliance Kit Monday, October 17, 2022
Dylan Stinson, Product Marketing Manager at Tektronix, recently penned an article for the Interference Technology’s 2022 EMC Testing Guide: How to Build Your Own EMI Troubleshooting and Pre-Compliance Kit. We wanted to share some of the key insights here. Failing EMI/EMC compliance testing can certainly ruin a design engineer’s day. The costs and time delays associated with a failed test can add …
Tektronix touchscreen oscilloscope.
Are You Keeping Pace with Wide-Bandgap Test Requirements? Tuesday, September 13, 2022
A new generation of wide-bandgap (WBG) materials such as silicon carbide (SiC) and gallium nitride (GaN) are becoming more prevalent. Electrically, these substances are closer to insulators than silicon and other typical semiconductor materials. Their adoption is an effort to overcome limitations of silicon that stem from it being a narrow bandgap material, which leads to undesirable conductive …
DPX Display
Overcoming 3 Challenges of Time and Frequency Correlated RF Measurements Thursday, June 16, 2022
Historically, engineers working with high-frequency signals have relied on spectrum analyzers to identify, characterize, and test the performance of their designs, devices, and systems. But these devices fall short when analyzing signals with an unpredictable time-related behavioral component. Tektronix Real-Time Spectrum Analyzers (RTSAs), however, capture and store signals as a seamless …
A graphic user interface displaying RF frequency trigger on wireless burst signal
Spectrum View: A New Way of Analyzing Signals Across Multiple Domains Tuesday, December 14, 2021
Analyzing Signals Across Multiple Domains There is increasing interference in the RF domain as we work to make IoT devices more powerful, consume less energy and have longer battery lives but still broadcast high-quality RF communication. From smart watches to heart rate sensors, the devices being designed today are getting smaller and smaller, which makes signal integrity more important than ever …
A graphic user interface displaying FFT optimized vs Spectrum View.
How to Use Spectrum View for Easier, More Accurate Insights Tuesday, December 14, 2021
Efficient system analysis and debug relies on insights but correlating signals across multiple domains has traditionally been a painful, technically challenging process. It can be difficult to figure out why a system isn’t working as expected without precise, synchronized insight into both time and frequency domains. Spectrum View was created to solve that challenge. The 4, 5 and 6 Series MSO …
Radar emitting ships interact with each other
3 Radiation Hazards (RADHAZ) and How to Mitigate Risk Wednesday, September 8, 2021
If you are involved in military, aerospace or defense and have been around radar and communication systems, with high-power RF transmitters and high-gain antennas, you are probably aware of the many risks associated with Radio Frequency Radiation (RFR) Hazards. RF emissions from these systems have the potential to cause catastrophic damage to operations and maintenance personnel, ordnance and …
Monitoring the wireless spectrum for interference
3 System Design Challenges with Spectrum Monitoring Tuesday, September 7, 2021
The wireless spectrum is a finite commodity that is tightly regulated, managed and shared by all nations, manufacturers and citizens, who risk being fined if they are caught operating outside of what's regulated or licensed. The presence of interference or other signals of interest creeping into one's band of wireless spectrum is a daily occurrence to some and is of great concern to many who may …
Military electronic warfare jet
Real-time Digital Signal Processing for Electronic Warfare Systems Monday, August 2, 2021
Evaluating and characterizing wideband communications, radar and electronic warfare systems in real time is challenging. Lacking a commercial off-the-shelf (COTS) alternative, some radar test teams stream test data to an inherently non-deterministic computing device such as a PC or laptop, inevitably leading to lost or missing data with no ability to verify that data is being recorded as expected …
Military Drone Detection
Setting up an Automated Drone Detection System Using Spectrum Analyzers Tuesday, May 25, 2021
In a few short years, the number of drones, or unmanned aerial vehicles (UAVs), purchased has soared. In the US alone, the FAA projects the small model hobbyist UAV fleet will more than double from an estimated 1.1 million vehicles in 2017 to 2.4 million units by 2022. Worldwide, Teal Group’s World Civil UAS Market Profile and Forecast projected in 2018 that non-military UAS production (Commercial …