This paper describes how to detect change of land with multi-temporal remotely sensed image. The key is how to match images, detect change and confirm the change threshold.
该文在多时相遥感图像中采用主成份差异法提取耕地变化信息，研究的关键在于差值前如何进行图像匹配、如何自动提取变化信息以及差值后如何确定变化阈值。
The objective of the baseline monitoring work is to detect change in underlying environmental conditions and species populations to act as a warning system against any adverse impacts.
基线监测工作的目的是要监测潜在环境情况和种群的转变，以作为防避所有负面影响的警告系统。
Wavelet and Fourier analyses are widely used in various fields of image processing. They can be utilized in land use remote sensing dynamic monitoring to detect change information automatically.
小波分析和傅立叶分析被广泛地应用于图像处理的各个领域，它们也能被应用于遥感影像土地利用变化检测。
We are trying to detect and understand how the climates change.
我们在努力探测并了解气候是怎样变化的。
If a new regression bug is found, it is often easy to detect which change is likely to have caused it.
如果发现了一个新的回归缺陷，通常会容易地检测出这个缺陷可能是哪个改变导致的。
The idea is that the person is asked a series of questions and that when they tell lies, their body will unconsciously change its state and the machine will detect this change.
这个仪器的设想就是针对一个人进行问话，如果他撒谎的话。他们的身体状态会有无意识的改变，而这个仪器从何能够发现这些变化。
If the system does detect an anomaly, it asks itself if there is likely to be an innocent explanation (a change in the weather, for example, or a public holiday).
如果系统探测到异常，将会自我判断是否可以合理解释(例如天气变化或节假日)。
But this is a horrible approach because this thread will need to busy-loop to detect a change in a reasonable time frame.
这是一种非常可怕的方法，因为线程需要在合理的时间范围内频繁地循环检测变化。
You can also detect common performance problems, such as calling a method multiple times even though the result it produces does not change.
您还可以检测普遍的性能问题，例如即使方法生成的结果没有变化，还是调用该方法多次。
This may prove problematic to those musically inclined enough to detect a change in harmony at maximum utilization.
这可以证明足以检测在最大负荷状态下和声中的变化的那些音频通知是表示有问题的。
Data objects can automatically record their change history that can then be used by a DAS to detect collisions when applying changes back to an enterprise information system.
数据对象可以自动记录它们的更改历史，然后，在将这些更改应用到企业信息系统时，DAS将使用这些更改来检测冲突。
When a server fails, it stops responding to the heartbeat messages and other servers detect this change.
当服务器发生故障时，将停止响应heartbeat消息且其它服务器可以察觉该变化。
To pick up the changes in your pluglet, you will need to modify the pluglet and save it once (or perhaps refresh the pluglet project) to force the environment to detect a change in the JAR file.
为了使pluglet里的变化生效，您将需要修改pluglet并保存(或者更新pluglet项目)使得环境发现JAR文件的变化。
When XML Schemas change, the compiler can detect those portions of a program that ought to be modified.
当x MLSchemas改变时，编绎器能够检测到程序需要修改的那些部分。
I believe we need to change our sensors to detect these opportunities.
我相信只要我们改变方式，就能找寻到这些机会。
Should GEO600 detect a phase change, it could be indicative of a slight change in distance, thus the passage of a gravitational wave.
如果GEO600探测到位移，那就说明发生了距离的微变，而这很可能是重力波的通过引起的。
In the end, the change is too small to detect even with the most sophisticated instruments.
最终即使最精密的仪器也不会检测到如此小的变化。
Objective to detect the catecholamine content in urine of personnel before and after military manoeuvres to find out the change of catecholamine under stress.
目的检测参加军事演习人员演习前和演习后尿儿茶酚胺含量，以探讨应激状态下尿中儿茶酚胺含量的变化。
To implement this feature, we must detect the content-change event in mainFrame.
要实现此特性，我们必须检测mainFrame中的内容变更事件。
The Notes client will detect that an invited room/resource/site is not in the configured preferred set, and prompt you to change/update your current list.
Notes客户机将检测到邀请的会议室/资源/地点不在配置的首选组中，并提示更改/更新当前列表。
When re acquiring locks, consider using generation counts to detect state change.
在重新加锁时，考虑使用版本号来检测状态变更。
Please change your initial PIN to any six-digit number which you can easily remember but is difficult for others to detect.
请尽快将您的初始私人密码更改为一组易于记忆，但他人难于测悉之六位数字号码。
This algorithm detect shot change based on information theory and combined with motion information.
该算法以信息论为基础，结合运动信息对镜头变换进行检测。
Conclusions VLBW has abnormal bone metabolism at birth, monitoring serum ALP level change can detect early bone metabolism abnormality.
结论VLBW出生时已有骨代谢酶的异常，动态监测alp的变化可早期发现VLBW骨代谢病。
Then we observe the change of myocardium enzymatic dynamics and detect myocyte apoptosis with electronic microscope and situ end labeling way.
观察各组家兔血清心肌酶学变化，并通过电镜形态学及原位末端标记法检测心肌细胞凋亡情况。
Dual threshold and Basing on model are used to detect gradual changes, and the change of motorial vectors is used to detect the motion of the camera.
采用改进的双阈值法和基于模型的方法进行渐变镜头的检测，根据运动向量的变化检测摄像机的运动状态。
Methods: the limulus lysate test of chromogenic substrate method was applied to detect the change of endotoxin content in 33 teeth with periodontitis before and after root canal treatment.
方法：采用产色基质法鲎试验对33例根尖周炎治疗前后根管内的内毒素含量变化进行了检测。
Experiments show that they are practical methods that can adaptive to background change in indoor environment and can effectively detect fingertip.
实验表明在本系统在各种室内复杂背景条件下能有效的适应背景变化，并能较准确的检测到运动指尖。
Objective To detect the change of discharge phase of guinea pig hippocampal CA1 pyramidal cells during visual discriminative task with an effective and convenient program we designed.
目的设计有效、简便的锥体细胞放电时相检测程序，并检测豚鼠海马CA 1区锥体细胞在视觉分辨任务中放电时相的变化。
Objective To detect the change of discharge phase of guinea pig hippocampal CA1 pyramidal cells during visual discriminative task with an effective and convenient program we designed.
目的设计有效、简便的锥体细胞放电时相检测程序，并检测豚鼠海马CA 1区锥体细胞在视觉分辨任务中放电时相的变化。
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