English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

A generalized method of predicting photometric error sources due to the light emitting properties of the light source to be measured, is proposed. This method is based on a comparison of the radiant energy distributions of both test and standard sources on each axis in the space that characterizes the light emitting properties . As a result of applying this method to luminance measurement of color TV picture tubes , the following are determined to be error sources:(1) unusual spectral power distribution,(2) non-uniform luminance distribution over a phosphor screen ,(3) deviation from the perfect diffusion, and (4) pulsed light due to electron beam scanning . Quantitative error analysis for a typical measurement shows that photometric errors due to the above sources are 2 .6%, 0.1%, 1% and 2%, respectively.

Photometric Error due to Light Emitting Properties of Color TV Picture Tubes