Results 1 to 10 of about 124,663,717 (263)

Improving the thermoelectric figure of merit. [PDF]

open access: yesSci Technol Adv Mater, 2021
The efficiency of a thermoelectric generator and the coefficient of performance (COP) of a thermoelectric heat pump are related to the hot and cold junction temperatures and a quantity known as the figure of merit, zT. During the second half of the twentieth century the figure of merit has gradually improved.
Goldsmid HJ.
europepmc   +6 more sources

Figure of merit for piezoelectric MEMS speakers. [PDF]

open access: yesMicrosyst Nanoeng
Piezoelectric MEMS speakers, an emerging technology with great promise, face significant challenges in performance evaluation and rational design. Their broadband nature means that responses at every frequency point across the whole operating bandwidth contribute to performance, yet there is no widely recognized weighting approach for fair evaluation ...
Sun M   +8 more
europepmc   +3 more sources

A Figure-of-Merit for Pattern Reconfigurable Antennas

open access: yesIEEE Transactions on Antennas and Propagation, 2013
Peer ...
Rodrigo López, Daniel   +3 more
openaire   +4 more sources

Figure of merit for photonic differentiators

open access: yesOptics Express, 2012
We introduce a universal figure of merit to evaluate the processing speed (operation bandwidth) performance of arbitrary-order optical differentiators. In particular, we define the maximum-to-minimum bandwidth ratio (MMBR) as a main figure of merit of these devices, which essentially informs about the broadness of the acceptable input pulse bandwidth ...
Reza, Ashrafi, José, Azaña
openaire   +2 more sources

Figure of Merit for Servo Motor [PDF]

open access: yesNature, 1950
A SERVO motor must control the position of a mechanism (valve, rudder, gear, etc.) in accordance with varying requirements. The figure of merit of such a motor indicates how speedily the motor is able to respond to these requirements.
openaire   +2 more sources

Is the ‘Figure of Merit’ Really That Meritorious? [PDF]

open access: yes, 2009
Studies comparing performance of Usability Evaluation Methods (UEMs) led to three standard metrics, namely, validity, thoroughness, and effectiveness, calculated from lab-based usability test results. The effectiveness metric, E = T × V, was proposed as the `figure of merit' [7] that would give a balanced account of validity and thoroughness.
Jarinee Chattratichart, Gitte Lindgaard
openaire   +1 more source

A Fundamental Figure of Merit for Radio Polarimeters [PDF]

open access: yesIEEE Transactions on Antennas and Propagation, 2011
This paper has been ...
Carozzi, T. D., Woan, G.
openaire   +2 more sources

A Figure of Merit For Catheter Sampling Systems [PDF]

open access: yesCirculation Research, 1959
The distortion of indicator dilution curves by catheter sampling systems is predictable from theoretic considerations based on laminar flow. Over a wide range of catheter and flow parameters, deductions can be made regarding distortion, by the arterial system or by sampling catheters, of indicator dilution curves coming from an idealized pump. A figure
H, SHERMAN   +3 more
openaire   +2 more sources

Microwave Amplifier Figure of Merit Measurement

open access: yesMeasurement Science Review, 2008
In this paper the figure of merit of microwave amplifier is measured. They are gain, 1 dB compression point and two tone third order intercept products. The measurement setup as well as method of measurement is shown. The measured amplifier can be used for student laboratory exercise as well as for scientific research.
Cerovecki D., Malaric K.
openaire   +4 more sources

Polaritonic figure of merit of plane structures

open access: yesOptics Express, 2017
Based on the ability of plane structures to simultaneously optimize the propagation, confinement, and energy of surface plasmon-polaritons or surface phonon-polaritons, we develop the polaritonic figure of merit Z = βRΛ2/δ, where βR, Λ and δ are the longitudinal wave vector, propagation length, and penetration depth, respectively.
Jose Ordonez-Miranda   +6 more
openaire   +2 more sources

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