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阻塞率
说明： 呼叫阻塞率的计算和仿真：在时间轴上考虑。无论阻塞与否，下一呼叫到达时刻为当前呼叫到达时刻加上服从参数为1/λ的指数分布的呼叫间隔时间。一个呼叫到达时只需要判断呼叫的到达时刻和各个信道服务完成时刻的先后：如果前者比后者中任意一个大，说明至少有一个信道服务完成时刻比此呼叫到达时刻早，即此信道空闲，此时呼叫成功，应该先把此信道下一个服务完成时刻置为当前呼叫到达时刻，再加上服从参数为μ的指数分布的服务时间；反之，如果前者比后者中全部都小，说明所有信道在此呼叫到达后才会结束服务，即当前忙，此呼叫被阻塞掉了(call blocking probability calculation and simulation : the time frame to consider. Whether or not blocked, the next call arrived at the present moment to call time arrived with a subordinate parameters/ index distribution of the call interval. A call arrived only judgment call and the arrival time each channel service has completed a moment : If the former than the latter an arbitrary, and at least one channel is completed service calls than this moment arrived moments earlier, that this channel is idle, call this success, should first get here Channel a moment of complete services for the current call home arrival time, coupled with the parameters obey the exponential distribution services; Conversely, if the former than the latter, all small, with all the Channel call arrived only aft)
- 2005-11-05 23:39:50下载
- 积分：1
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code
在给定字符串中找出单词（ “单词”由小写字母字符大写字母和构成，其他非字母字符视为单词的间隔，
如、问空格号、数字等等；另外单个字母不算单词）；找到单词后，按照长度进行降序排序，
（排序时如果长度相同，则按出现的顺序进行排列），然后输出到一个新的字符串中；如果某个单词重复出现多次，
则只输出一次；如果整个输入的字符串中没有找到单词，请输出空串。输出的单词之间使用一个“空格”隔开，
最后一个单词后不加空格。(Identify the word (" word" character from the uppercase and lowercase letters constituted, other non-alphabetic characters as word spacing, such as asking a space number, number, etc. another is not a single letter word) in a given string find words after descending order according to length, (if the same length, the order stated that appears when sorting arranged), and then output to a new string If a word is repeated several times, only output once If the entire input string is not found in word, outputs an empty string. Used between the output of a word " space" separated, no spaces after the last word.)
- 2014-02-23 00:19:04下载
- 积分：1
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IEC6150C
说明： iec61850软件实现框架，可以帮助大家快速进入实现阶段。(IEC61850)
- 2010-04-19 17:14:15下载
- 积分：1
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25232249
计算机图形学 关于画点,画圆,画三角形等,已经各种填充技术(Computer graphics on the drawing of dots, circles, triangles, etc., has been filled with various techniques)
- 2018-12-02 08:07:55下载
- 积分：1
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C-and-CPP-in-5-days
C and C++ in 5 days
C and C++ in 5 days
- 2013-06-05 02:26:33下载
- 积分：1
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xs_patch
Please read your package and describe it at least 40 bytes in English
- 2013-04-23 23:37:26下载
- 积分：1
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net finger
说明： connect to finger print device
- 2019-04-05 00:07:59下载
- 积分：1
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HID_VC_usbhidioc2
VC codes for finds the USB HID-class device and exchanges data with it.
- 2009-04-10 15:01:04下载
- 积分：1
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中兴标签
本地access文件夹读取，并查询后自动打印(The local access folder reads and prints automatically after querying)
- 2017-06-30 21:46:32下载
- 积分：1
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VC-with-OPC-data-exchange-with-WinCC
利用OPC实现VC应用程序与WinCC的数据交换(VC application with OPC data exchange with WinCC)
- 2013-05-01 09:25:32下载
- 积分：1
