| 词汇 | test-pattern |
| 释义 | test pattern noun[ C ] USuk /ˈtest ˌpæt.ən/ us /ˈtest ˌpæt̬.ɚn/(UKtest card) a picture or pattern that is broadcast so that the quality of the television picture received can be examined and improved if necessary by using the controls on the equipment测试图案（电视台播放的图片或图案，用于检测或改进图像质量） narvikk/iStock/Getty Images Plus/GettyImages Broadcasting: television aerial autotune best boy boob tube breakfast television broadcast ghost image goggle-box HD HDTV high def linear receiver reception reveal smart TV square-eyed subtitler telegenic Teletext Examples of test patterntest pattern For example, in the second testpattern set, r was set to 5% for all example images rather than being ranged from 0% to 5%. The output activations were recorded for each testpattern and were evaluated in the following way. Eleven networks were trained, one per training pattern set, and tested on all 11 testpattern sets. Also, until somewhere between 10% and 15% testpattern noise, its performance was below that of the network with variable thresholds. We hypothesize that the crucial factor is the relationship between the temporal frequency of the adapting pattern and the temporal frequency of the testpattern. This network correctly classified 94% of patterns at 15% testpattern noise, reducing to 82% correct classifications at 20% testpattern noise. The best performance is for character "1" which, even at 50% testpattern noise, was correctly classified more than 50% of the time. Sequential automatic testpattern generation by constraint programming. The output of a testpattern, when testing a fault-free device that works exactly as designed, is called the expected output of that testpattern. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At 8:35 p.m. that evening, the transmitter was turned on with a colour bar testpattern being broadcast. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In a full scan design, automatic testpattern generation is particularly simple. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At that point, the station signed on at 2:00 p.m. each weekday, running a testpattern until regular programming began at 4:00 p.m. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Programming on the station during this time is currently unknown, although it did broadcast a testpattern. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Production tests are often designed by software tools called testpattern generators. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its test signal constisted of a color testpattern and the network's music. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of test pattern These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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