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Description: 考虑L的三个不同值：L＝256（3个数据段），L＝128(7个数据段)和L=64（15个数据段）。各自的谱估计图如上图所示。可以明显的看到，加窗明显的减小了频谱上的假谱峰，但也更加进一步平滑了谱峰。所以，对于L＝64的情况，在ω＝0.8π的谱线可以很确定的辨认，但是那两个靠近的谱峰不容易区分。对于L＝128的情况，这种情况提供了在分离和检测间最好的均衡。当然，对于在L＝256时的情况，效果是更好的，能够从谱估计图上明显的分辨出三条谱线的存在以及它们幅度关系的强弱。 除了Welch法外，还可以采用对多个周期图求平均的功率谱估计方法的其他方法如Bartlett法等等，在功率谱估计上也能取得较好的结果。-consider three different values : L = 256 (3 data), L = 128 (7 data) and L = 64 (15 data). Their spectral estimation map as shown in Fig. It is clear to see that increase significantly decreasing window of the spectrum of false peaks, but much more to further smooth the peaks. Therefore, L = 64, in the case = 0.8 spectrum can determine the identification, but that the two peaks around is not easy to distinguish. L = 128 for the situation, which provided the separation and detection among the best balanced. Of course, L = 256 in the case, the effect is better, from the spectral estimation map clearly distinguish between the three lines of the existence and their relationship to the rate of strength. In addition to Welch law, but also can be used to map multiple cycle for the average power
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Author: 吴胜 |
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Description: 我们给出一个模板 和一幅图象 。不难发现原图中左边暗，右边亮，中间存在着一条明显的边界。进行模板操作后的结果如下： 。
可以看出，第3、4列比其他列的灰度值高很多，人眼观察时，就能发现一条很明显的亮边，其它区域都很暗，这样就起到了边沿检测的作用。
为什么会这样呢？仔细看看那个模板就明白了，它的意思是将右邻点的灰度值减左邻点的灰度值作为该点的灰度值。在灰度相近的区域内，这么做的结果使得该点的灰度值接近于0；而在边界附近，灰度值有明显的跳变，这么做的结果使得该点的灰度值很大，这样就出现了上面的结果。
这种模板就是一种边沿检测器，它在数学上的涵义是一种基于梯度的滤波器，又称边沿算子，你没有必要知道梯度的确切涵义，只要有这个概念就可以了。梯度是有方向的，和边沿的方向总是正交(垂直)的，例如，对于上面那幅图象的转置图象，边是水平方向的，我们可以用梯度是垂直方向的模板 检测它的边沿。
例如，一个梯度为45度方向模板 ，可以检测出135度方向的边沿。-we give a template and an image. It is not difficult to find the maximum were left dark, right-liang, in the middle there is a clear boundary. After the template for the operation results are as follows :. Can be seen, three, four out other than the gray value is much higher, eye observation, we can obviously found a bright side. Other regions are dark, and this has played a role in the detection of 2500. Why is this the case? A closer look at the template on which to understand it. It means the right to the point o gray minus left point as a gray value of the point of gray values. In a similar gray area, do so as a result of the point of gray values close to 0; And near the border. gray values jump significantly changed, the results do make the point very gray value, and this appeared to
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Author: 李涯 |
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Description: UDP是一种面向非连接，不可靠的通讯协议，相对于TCP来说，虽然可靠性不及，但传输效率较高。所以在网络上仍有很大的用途。这几日需要了解下udp通讯的过程，上网发现这方面的资料还挺少。于是仔细的翻找了下msdn，基本上搞清楚了udp通讯的过程。做了一个测试的例子。希望对大家有帮助。
-UDP is a non-connection-oriented, reliable communication protocol, compared to TCP, Although less than reliability, high transmission efficiency. So the network is still great purposes. Need to understand the past few days under udp communication process, the Internet found that information It's small. So carefully looking for the next VARIANT basically clear the udp communication process. Done a test case. We want to help.
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Author: zxzl |
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Description: clear case 基本操作指南,系本人在网上收集
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Author: 刘波 |
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Description: 这是一个典型的非数值问题，如果使用非递归算法求解此问题，要设计复杂的算法，编写很长的程序。而使用递归算法可以使整个算法清晰，使程序简洁。本问题分析并建立递归算法的过程是典型的抽取问题本质、建立递归算法 并最终解决非数值问题递归实例。-This one a typical one number value issue, is it is it belong to algorithm ask and solve this question to pass to use, design the complicated algorithm , will write very long procedure . It can make the whole algorithm clear and use and pass and belong to the algorithm, make the procedure succinct . Case study this is it is it belong to course of algorithm typical extraction issue essence , is it pass algorithm of belonging to to set up to pass to set up And it is not a number value problem to solve finally and pass and belong to the instance
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Author: 张趁 |
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Description: 这是一个典型的非数值问题，如果使用非递归算法求解此问题，要设计复杂的算法，编写很长的程序。而使用递归算法可以使整个算法清晰，使程序简洁。本问题分析并建立递归算法的过程是典型的抽取问题本质、建立递归算法 并最终解决非数值问题递归实例。-This one a typical one number value issue, is it is it belong to algorithm ask and solve this question to pass to use, design the complicated algorithm , will write very long procedure . It can make the whole algorithm clear and use and pass and belong to the algorithm, make the procedure succinct . Case study this is it is it belong to course of algorithm typical extraction issue essence , is it pass algorithm of belonging to to set up to pass to set up And it is not a number value problem to solve finally and pass and belong to the instance
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Author: 张趁 |
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Description: 这是一个典型的非数值问题，如果使用非递归算法求解此问题，要设计复杂的算法，编写很长的程序。而使用递归算法可以使整个算法清晰，使程序简洁。本问题分析并建立递归算法的过程是典型的抽取问题本质、建立递归算法 并最终解决非数值问题递归实例。-This one a typical one number value issue, is it is it belong to algorithm ask and solve this question to pass to use, design the complicated algorithm , will write very long procedure . It can make the whole algorithm clear and use and pass and belong to the algorithm, make the procedure succinct . Case study this is it is it belong to course of algorithm typical extraction issue essence , is it pass algorithm of belonging to to set up to pass to set up And it is not a number value problem to solve finally and pass and belong to the instance
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Author: 张趁 |
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Description: 这是一个典型的非数值问题，如果使用非递归算法求解此问题，要设计复杂的算法，编写很长的程序。而使用递归算法可以使整个算法清晰，使程序简洁。本问题分析并建立递归算法的过程是典型的抽取问题本质、建立递归算法 并最终解决非数值问题递归实例。-This one a typical one number value issue, is it is it belong to algorithm ask and solve this question to pass to use, design the complicated algorithm , will write very long procedure . It can make the whole algorithm clear and use and pass and belong to the algorithm, make the procedure succinct . Case study this is it is it belong to course of algorithm typical extraction issue essence , is it pass algorithm of belonging to to set up to pass to set up And it is not a number value problem to solve finally and pass and belong to the instance
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Size: 2048 |
Author: 张趁 |
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Description: clear case 基本操作指南,系本人在网上收集-clear case of basic operating guidelines, the Department of I-line collection
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Size: 1146880 |
Author: 刘波 |
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Description: 初学者们，为指针而困惑吗？读这个文件吧！里面对指针分析和比较的比较详细了！类型很多，请在清醒的情况下阅读，否则会越读越模糊。-Beginners were confused as a guideline and it? Reading this document now! Inside of the pointer analysis and a more detailed comparison of the! Many types in a clear case of reading, otherwise they will be more read more fuzzy.
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Size: 19456 |
Author: jzm |
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Description: 一个UML的实例，里面系统功能分析，用例图，时序图，状态图都清清楚楚，用的是Trufun Plato 2007开发的，非常好用的软件-Example of a UML, which system analysis, use case diagram, timing diagram, state diagrams are clear, using a development Trufun Plato 2007, very easy to use software
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Author: Kornna |
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Description: IBM clear case 软件在使用中的问题汇总-IBM clear case of software problems in the use of summary
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Size: 205824 |
Author: chenhongchao |
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Description: 没搞清楚单片机内部情况下也能玩单片机，不用汇编，用C51-No clear case of SCM can play within the microcontroller, without compilation, with C51
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Size: 395264 |
Author: huier |
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Description: 一个用来生产代码检视邮件的小应用程序。在Linux下结合ClearCase使用。-A small tool to generate the Code Review Package and send it to user via email. Can be used with Clear Case on Linux.
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Size: 3072 |
Author: daniel |
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Description: VC中一些编程应用知识，解释明白清楚，一看就懂，好用。-VC in the application of some programming knowledge, to explain a clear case, could be easily understood, useful.
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Size: 113664 |
Author: 江涛 |
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Description: How to use clear case step by step
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Author: crazy chen |
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Description: 明确业务背景、业务范围、基本业务逻辑和业务框架，期望读者包括：项目发起人、最
终用户、项目投资方、项目管理团队、项目执行团队，以及其他项目干系人。-A clear business background, business scope, the basic business logic and business frameworks, hope that readers, including: project sponsor, end-user, project investors, Project Management Team, the project implementation team, other project stakeholders.
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Size: 819200 |
Author: 刘须辉 |
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Description: 基于matlab的同步发电机模型，得到了清晰的同步发电机运行情况下的电压波形图。-Matlab-based synchronous generator model, a clear case of synchronous generators running voltage waveform graph.
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Size: 8192 |
Author: 郝婧 |
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Description: Clear Case briefly introduction power point
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Size: 373760 |
Author: DonnaHu |
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Description: clear case 的操作，如check in check out -clear case handle client check in check out
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Author: 范闲 |
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