| 单词 | htvl | ||||||||||||||||
| 释义 |
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在我们的实验室中，部分高解析度的 LCD 监视器和电视，经由高解析度摄影机提供复合输 入下，仅测量到540HTVL。 pixim.com | In our laboratory, a number of high-resolution LCD monitors and televisions were provided with a composite video input from a high-resolutioncamera and measured 540 HTVL. pixim.com |
再 次说明，即使摄影机能够提供超过540HTVL的解析度，对於使用者来说也没有任何差异，因 为 DVR 将不会录制内容。 pixim.com | Once again, even if a camera is capable of delivering more than 540 HTVL of resolution, it isn’t going to do anything for the end user because the DVR isn’t going to record it. pixim.com |
在视讯保全市场中，解析度一 般是指水平 TV 解像线而言(HTVL)。 pixim.com | In the video security market, resolution is typically specified in terms of horizontal TV lines (HTVL). pixim.com |
近来制造商已在宣传解析度规格高於540HTVL的CCTV 摄影机，这意指着视讯保全客户将会从提 升的解析度品质中进而获益。 pixim.com | Recently, manufacturers have been promoting CCTV cameras with resolution specifications higher than 540 HTVL, implying that video security customers will benefit from enhanced resolution. pixim.com |
HTVL是一种黑白的规格，代表摄影机可以拍摄的黑和白色交错的垂直解像线数并在监视器萤幕上 [...] 重现以利计算；解像线的长度是 3/4 的显示宽度。 pixim.com | HTVLis a monochrome specification [...] that indicates how many alternating black and white vertical lines can be captured by [...]a camera and reproduced on a monitor screen such that they can be counted across 3/4 of the width of the display. pixim.com |
但是就算 CCTV 摄影机可以通过测试，证明机器具有超过540HTVL的解析度规格，使用者也无法从一般安装中取得超过 540 条解像线，因为所有实务上的 CCTV 应用 都有系统方面的限制。 pixim.com | But it turns out that even if a CCTV camera can pass a test that validates a resolution specification over 540 HTVL, the end user is not going to get more than 540 lines out of a typical installation because of system limitations common to all real world CCTV applications. pixim.com |
转换过程中会取样类比视讯并将视讯转换为由 ITU-R Recommendation BT.6011 所定义之业界标准格式的数位资料，并限制 NTSC 和 PAL 的每一水平解像线的水平解 析度都刚好为 720 [...] 取样 (720 x ¾ =540HTVL)。pixim.com | The conversion process samples the analog video and converts it to digital data in a industry standard format defined by ITU-R Recommendation BT.6011 [...] which limits horizontal resolution to exactly 720 samples per horizontal line for both NTSC and [...] PAL (720 x ¾ = 540 HTVL). pixim.com |
摄影机制造商正在宣传 580、600、650，甚至是700HTVL的规格，且即使其中的一些制造商使用的 影像感应器无法实际拍摄超过540HTVL（类比 CCTV 系统的实际限制），却仍然声称如此。 pixim.com | Camera manufacturers are advertising specifications of 580, 600, 650, and even 700 HTVL, and some of these manufacturers are making these claims even though they are using imaging sensors that are not physically capable of capturing more than 540 HTVL; the practical limit for analog CCTV systems. pixim.com |
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