Systematic Sampling: What It Is, Pros and Cons

Systematic sampling is straightforward and low risk, offering better control. However, it may introduce sampling errors and ...
National Academies of Sciences%2c Engineering%2c and Medicine

Using Multiple Data Sources and State-of-the-Art Estimation Methods in Federal Statistics: Frameworks, Methods, and Assessment

An ad hoc panel of nationally renowned experts in social science research, computing technology, statistical methods, privacy, and use of alternative data sources in the United States and abroad will ...
Ohsonline.com

Indoor Air Quality Monitoring Techniques: From Sampling Protocols to Data Analysis

The World Health Organization (WHO) warns that air pollution is of great concern and impacts health in many ways. To better the situation, it’s necessary to focus on air quality. However, when ...
EDN

Signal Chain Basics #160: Making sense of coherent and noncoherent sampling in data-converter testing

Bad Fast Fourier Transfer (FFT) data captures can cause you to misunderstand the true performance of your analog-to-digital converter (ADC). Some engineers like to coherently sample and capture data ...
world-nuclear-news

Japanese marine sampling data reliable, says IAEA

Analyses by Japanese laboratories of seawater, marine sediment and fish samples taken from near the damaged Fukushima Daiichi nuclear power plant produce reliable data, according to the International ...
Electronic Design

Extending RF’s Boundaries via Direct Data Sampling in the Ka-band

How and why f max hit a wall at the 28-nm node. Progress in RF signal-chain innovation will come not on ASICs but on FPGAs. Developments in direct data-conversion devices will pave the way to SDM air ...