打印

关于红外线透视镜

0
我们之所以能看到周围的景物,是因为光源发出光线照射到物体上,光线反射到人的肉眼,经过视神 透视镜经处理产生影像。但我们的肉眼只能感受到可见光,感受不到红外线.紫外线和X光等很多光线。夜摄像机之所以能在黑暗中看到物体,是因为它能接受近红外线,并经感光元件CCD处理,转化成我们肉眼能看到的影像。

红外透视可以透过非常薄的非纯绵丝织物品,无法透过纯绵衣物,除非被拍摄人身仅穿一层薄纱而且不穿任何内衣,否则就不可能进行所谓透视。有关网站流传的很多说法是错误和不真实的。

TOP

当前时区 GMT+8, 现在时间是 2024-9-13 09:27

Fatal error: Uncaught RedisException: OOM command not allowed when used memory > 'maxmemory'. in /home/wwwroot/sis/public_html/forum/include/dRedis.class.php:35 Stack trace: #0 /home/wwwroot/sis/public_html/forum/include/dRedis.class.php(35): Redis->exec() #1 /home/wwwroot/sis/public_html/forum/include/statistics.inc.php(287): dRedis::pipeExec() #2 /home/wwwroot/sis/public_html/forum/include/global.func.php(490): dstatistics() #3 /home/wwwroot/sis/public_html/forum/forumdata/templates/22_footer.tpl.php(41): output() #4 /home/wwwroot/sis/public_html/forum/forumdata/templates/22_viewthread.tpl.php(559): include('/home/wwwroot/s...') #5 /home/wwwroot/sis/public_html/forum/viewthread.php(440): include('/home/wwwroot/s...') #6 {main} Next RedisException: OOM command not allowed when used memory > 'maxmemory'. in /home/wwwroot/sis/public_html/forum/include/dRedis.class.php:35 Stack trace: #0 /home/wwwroot/sis/public_html/forum/include/dRedis.class.php(35): Redis->exec() #1 /home/wwwroot/sis/public_html/forum/include/statistics in /home/wwwroot/sis/public_html/forum/include/dRedis.class.php on line 35