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Description: Q931的ITU-T的标准文件。
是电信的No7号信令的标准文件。-Q931 of ITU-T standard document. No7 is the number of telecommunications signaling standard document.
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Size: 1149952 |
Author: yw |
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Description: 本文档主要介绍Q.931协议基本知识，及在日常的维护中使用HDLCMON抓取的呼叫消息流程Trace的分析方法，并根据不同的问题及现象，提供简单的分析解决方法-This document introduces the basic knowledge of Q.931 protocol, and the use of routine maintenance HDLCMON news crawl call flow Trace analytical methods, and according to different problems and phenomena, the analysis provides a simple solution
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Size: 415744 |
Author: chenyisen |
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Description: atlab编写的Lyapunov指数计算程序
一、计算连续方程Lyapunov指数的程序
其中给出了两个例子：! e @ u9 j* [* b" m$ j$ I
计算Rossler吸引子的Lyapunov指数 _9 \: B" T* t! U4 J2 Q9 }/ n
计算超混沌Rossler吸引子的Lyapunov指数
http://www.pudn.com/downloads39/sourcecode/math/detail132231.html-atlab Lyapunov index calculation program written in one continuous equation Lyapunov index calculation procedure which gives two examples:! e @ u9 j* [* b " m $ j $ I calculate the Rossler attractor, Lyapunov exponents _9 \ : B " T* t! U4 J2 Q9}/n calculated hyperchaotic Rossler attractor Lyapunov exponent http://www.pudn.com/downloads39/sourcecode/math/detail132231.html
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Size: 6144 |
Author: kolan |
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Description: 1、制作霓虹灯闪光花样控制器：
常用的两种类型高压霓虹灯闪光花样控制器常因凸轮磨损、铜板磨损或电机损坏而不能正常工作，还因其为低速电机机械传动不能调速，限制了它的灵活性。图中所示的霓虹灯发光花样控制电路具有寿命长，逻辑功能多，成本低（只有机械控制的40 ），结构简单等优点。
此电路能控制1、2、3、4个字霓虹灯依次点亮，即“图案展开”；4、3两个字依次熄灭，即“图案收回”；在第一个字亮的基础上，第1、2、3、4个字依次独立点亮一次，然后从头循环。
2、电路原理：
IC5为时基集成电路组成脉冲振荡器，为IC1十进制计数/分配器提供时钟脉冲。IC1 10个输出Q0~Q9组成双四路输出电路，用来控制IC3、IC4四二端“与”门电路不同输入与门组合，使4路霓虹灯按次序闪亮发光。此电路所控制的4路霓虹灯发光状态中，至少有一字亮，避免了一片漆黑的不良后果。另外可根据需要，讲上述4路控制扩展成5路、6路或更多路。图中用灯（P1、P2、P3、P4）代表高压霓虹灯变压器。
-A production of neon flash pattern controller:
The commonly used two types of high-pressure neon flash pattern controller due to cam wear, copper, wear or motor damage, but not working properly, but also because of its low-speed motor mechanical transmission can not be governor, limiting its flexibility. The neon light-emitting pattern control circuit shown has the advantage of long life, the logic function, low cost (only 40 of the mechanical control), and a simple structure.
This circuit can control 1, 2, 3, 4 words to the neon lights were lit, and that "the pattern expand 4,3 word turn off, ie," the pattern of recovery " in the first word of the brightest on the basis of a , 2,3,4 a word followed by independent light, and then scratch cycle.
2, the circuit schematic:
The IC5 time base integrated circuit composed of the pulse oscillator, the clock pulse for IC1 decimal count/distributor. IC1 10 outputs Q0 ~ Q9 is composed of a dual-quad output circuit used to control t
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Size: 893952 |
Author: 哲 |
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Description: the output of QPK when q=4,14,64
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Size: 37888 |
Author: nooran |
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Description: 贪婪算法 经典背包问题 matlab源代码 自附数值 -Greedy algorithm is the classical knapsack problem matlab source code the attached value
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Size: 1024 |
Author: 虾米 |
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