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水质模糊综合评价系统 水质模糊综合评价系统
水质模糊综合评价系统 水质模糊综合评价系统
- 2022-06-29 07:11:03下载
- 积分:1
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1.本文对一种高效的升压式PWM 变换电路作了分析研究 对开关状态的切换效率高 采用双零软开关工作,大大降低了开关损耗, 提
高了电路的转换效率.
2....
1.本文对一种高效的升压式PWM 变换电路作了分析研究 对开关状态的切换效率高 采用双零软开关工作,大大降低了开关损耗, 提
高了电路的转换效率.
2.该电路在高频的开关电源、逆变器等电力电子电路上有很大的实用价值, 可以提高电路的转换效率. -1. In this paper, an efficient step-up PWM conversion circuit analysis study on the switch to switch the state of high efficiency soft-switching double-zero work, greatly reduces switching losses, improve the conversion efficiency of the circuit .2. The circuit in high-frequency switching power supplies, inverters and other power electronic circuits have great practical value, can improve the circuit
- 2022-03-18 18:36:47下载
- 积分:1
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I give you a good animation software
我给大家介绍一个好的动画制作软件――飘雪动画秀 V3.02,希望大家喜欢。-I give you a good animation software-- Falling Snow animation- V3.02, hope you like them.
- 2022-01-28 04:11:08下载
- 积分:1
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51-60example-c代码,是txt文本格式的,另有40例代码会陆续传上来。-51-60example-c code, txt text format. Another 40 cases will successively sent code onto.
- 2022-03-19 13:17:01下载
- 积分:1
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here is the operation of the Foxpro database and relevant data to build up a dat...
这里是Foxpro数据库操作的相关数据及建立数据库的参考文件,下载后查看-here is the operation of the Foxpro database and relevant data to build up a database of reference documents, downloading of View
- 2022-03-15 06:42:03下载
- 积分:1
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学生管理系统,记录学生姓名,系别,地址等信息,有查询,保存功能等。...
学生管理系统,记录学生姓名,系别,地址等信息,有查询,保存功能等。-Student management system to record the student39 s name, branches, address and other information, there are queries, save functions.
- 2022-02-07 04:10:01下载
- 积分:1
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为庆祝排灯节carckers Turbo C源代码
这是一个项目,火箭被点燃,然后在空中爆炸。
- 2022-03-12 12:52:03下载
- 积分:1
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VB环境开发程序
VB环境开发程序-VB development process
- 2023-08-29 21:10:03下载
- 积分:1
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离散优化问题的启发式设计与实现,…
When designing and implementing heuristics for discrete optimization problems,
there are many choices to be made. These include search paradigms, search
mechanisms, search parameters, test sets, etc. Often these choices are treated
as independent of each other, even though most researchers acknowledge some
interdependence between the diff erent search mechanisms and associated para-
meter settings. Our experience is that the search mechanisms and parameters
often interact, and at times in unforeseen ways. This is a diffi cult problem to
disentangle, and often even to discover.
- 2022-06-20 23:25:41下载
- 积分:1
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One on BPSK BER simulation procedures, including the signal generated by adding...
一个关于BPSK误码率仿真的程序,其中包括信号产生,加入高斯白噪声,和误码率计算!-One on BPSK BER simulation procedures, including the signal generated by adding Gaussian white noise, and bit error rate!
- 2022-12-05 12:55:03下载
- 积分:1