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power_transfo3wdn
power_transfo3wdn.rar,功率电子领域matlab仿真文件,已经验证过,程序运行正常(power_transfo3wdn.rar,Power electronics field matlab simulation file, has already been verified, the normal operating procedures)
- 2013-08-26 22:11:07下载
- 积分:1
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lshcode.tar
LSH 和e2LSH算法,感觉hash函数不怎么好。(LSH and e2LSH algorithm, hash function is not very good feeling.)
- 2010-08-05 11:52:25下载
- 积分:1
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FatTest
生物电阻抗法设计了简易人体脂肪含量测试系统。利用人体的电特性分析人体组
分并以此判断被测者的健康状况。测试系统根据被测人群的年龄段、性别、体型等分类测试。( Based on a new technology which flourishes in recent years-bioelectrical impedance analysis
CBIA) ,a measurement system for body FM is designed. )
- 2010-11-03 10:23:59下载
- 积分:1
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fhss
frequency hopping code division multiple access
- 2012-06-03 11:47:51下载
- 积分:1
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modem
一种MNODEM的控制程序.采用状态机的机制实现.(A control program MNODEM. The use of state machine mechanisms.)
- 2007-08-08 20:57:01下载
- 积分:1
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MATLAB1
书名:基于MATLAB的嵌入式系统软件开发(Title: MATLAB-based software development of embedded systems)
- 2009-04-14 09:52:41下载
- 积分:1
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matlab
利用matlab对语音进行处理,matlab在语音处理中应用,进行合成和发声(matlab)
- 2009-03-11 00:20:11下载
- 积分:1
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RayCh
在MATLAB下,使用了改进的JAKE模型即DENT模型 产生一个瑞利信道(In MATLAB, the use of an improved model JAKE model that is a DENT Rayleigh channel)
- 2009-04-07 15:26:05下载
- 积分:1
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2
说明: 对信号的边际谱分析,三维能量谱分析以及时频分析的有关程序.......(Spectral analysis of the marginal signal, three-dimensional power spectrum analysis and time-frequency analysis of the procedure .......)
- 2010-12-14 16:13:44下载
- 积分:1
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renkoumoxing
本文区别于其他传统的人口预测模型,深入分析了当前中国人口的基本情况,以及
最近几年中国人口的发展情况与趋势,针对中国人口基数大、男女比例不协调、乡村人
口城镇化加速、人口老龄化日益严重等显著特点,在各年龄段生育率短期内保持不变的
假设下,建立基本的人口转移回归模型,用于模拟预测短期内中国各类人口数量发展变
化。该模型预测结果显示,中国人口在未来十几年内增长一定幅度后开始下降;与此同
时,人口老龄化、男女比例失调等问题日益严重。该模型短期内的预测效果比较好。
为了使中国将来的人口发展健康、平衡,综合考虑中国以及欧洲一些发达国家和亚
洲一些实行计划生育较早的国家以前以及当前的一些情况,本文提出了修改计划生育政
策的建议。面对日益严重的老龄化现象,我们提出生育率应该参考老龄人口比例这一新
思想,并建立生育率与老龄人口比例的关系模型,用于长期人口的预测。预测结果显示
中国总人口在短期内持续上升,在2025 年到2040 年之间基本保持在14.6 亿的最大值,
然后开始缓慢下降。
两个模型的结果均显示,中国将会面临严重的老龄化和男女比例不协调两个问题。
最后我们提出了适当措施以缓和这两个问题带来的影响。(This is different from other traditional population projection model, in-depth analysis of the current basic situation of China s population, and
In recent years the development of China s population and the trend for China s huge population, gender disharmony, rural people
I accelerated urbanization, the growing aging population and other significant features in the short term fertility of all ages remain unchanged
Assumption, the establishment of basic population transfer regression model, to simulate and predict the short term development of China s various types of population change
Of. The predicted results show that China s population growth in the next decade began to decrease after a certain extent and the same
When an aging population, gender imbalance and other growing problem. The model predicted the short-term results were better.
To make the development of China s future population health, balance, considering China and some developed countries in Europe and A)
- 2010-05-13 11:54:40下载
- 积分:1