The significance of statistical fluctuations in a synchrotron beam is often neglected, with a consequent loss of precision or accuracy of up to two orders of magnitude. We illustrate this for the specific example of an X-ray attenuation measurement. Since all X-ray measurements involve either scattering or absorption (or both), the net potential gain in precision is similar for all such experim...

This manuscript describes a new type Ka-band airborne double-antenna microwave radiometer (ADAMR) designed for detecting atmospheric supercooled water content (SCWC). The source of the measurement error is investigated by analyzing the model of the system gain factor and the principle of the auto-gain compensative technique utilized in the radiometer. Then, a multipoint temperature correction m...

The antenna range is set up for antenna ratiometry 1 so that two paths are constantly being compared, both originating from a common transmitting antenna. These two paths are called "reference" and "measurement." The reference path uses a fixed antenna that receives what should be a constant level; in reality, there are continuous small fluctuations in received signal at microwave frequencies e...

State-feedback gain-scheduling controller synthesis with guaranteed performance is considered in this brief. Practical assumption has been considered in the sense that scheduling parameters are assumed to be uncertain. The contribution of this paper is the characterization of the control synthesis that parameterized linear matrix inequalities (PLMIs) to synthesize robust gain-scheduling control...

In this paper, a modified adaptive sparse channel estimator based on singular value decomposition (SVD) for OFDM systems is proposed. The conventional adaptive sparsity matching pursuit (ASMP) based compressive channel estimation has bad anti-noise performance, although not needing the information of sparsity. Because using the SVD to modify the measurement matrix of CS can improve the robustne...

PurposeLung weight gain during ex vivo lung perfusion (EVLP) can reduce transplant suitability. Therefore, real-time measurement enhance donor evaluation. We sought to 1) develop/validate a EVLP system, and 2) define the time course of change EVLP.MethodsIn our clinical acellular from 6/2019-9/2020, was measured in 36 cases. Weights were recorded with scale under organ chamber, back table stati...