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UML
基于UML的食堂就餐卡系统的分析与设计
(UML-based cafeteria dining card system analysis and design of)
- 2009-12-17 15:49:47下载
- 积分：1
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protectofipm
较详细的论述了IPM模块的驱动及保护电路 (More detailed discussion of the IPM module driver and protection circuits)
- 2008-04-16 21:00:01下载
- 积分：1
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wojieliuliangji
涡街流量计数字信号处理系统的改进与实验
本文针对涡街流量计数字信号处理系统存在的不能测量小流量和易受电磁干扰的问题,对其软硬件方面进行了
改进。重新设计和研制了电荷放大器,提高了灵敏度,增强了适配能力。采取了合理的接地和屏蔽措施,提高了系统的抗干
扰能力。采用去均值和频谱校正的方法,改善了系统的测量精度。编制键盘监控软件,采用状态变量法设计键值分析程序,
实现人机对话功能。进行了液体流量和气体流量的标定实验,结果表明,改进后的数字信号处理系统比常规的流量计信号处
理系统的测量精度高、流程比宽和适配能力强。(Vortex Flowmeter digital signal processing system improvements and experimental
In this paper, vortex flowmeter digital signal processing systems can not exist in measuring small flows and vulnerable to electromagnetic interference problems, its hardware and software aspects of the
Improvement. To re-design and development of the charge amplifier, increasing sensitivity and enhanced adaptive capacity. Adopted a reasonable grounding and shielding measures to improve the system s anti-stem
Interference capability. Used to mean and spectral correction methods to improve the system s measurement accuracy. The preparation of keyboard monitoring software, using state-variable method designed to key analytical procedures,
Functions to achieve human-machine dialogue. Were liquid flow and gas flow calibration experiments, the results show that the improved digital signal processing systems than the conventional flow meter signal at
Management System s high accuracy, process than the w)
- 2010-02-01 08:14:53下载
- 积分：1
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FaultRecorderDesign
基于 ARM和 Linux嵌入式平台的
故障录波器通信接口设计(Abstract: To s olve some p r oblems of hardware configure, cost and reliability based on the traditi onalmicr ocomputer2 based fault re2
corder, a scheme for the fault recorderwhich takesARM and DSP as system hardware,L inux as system soft ware is p resented . DSP is
used for high2s peed data operati on, and the ARM p latform comp letes terminal contr ol and communicati on . Then a si mp lified structure
in s oft ware and hardware comes out . HP I technique is studied in detail in order t o meet the demand of contr ol and high2s peed data
communicati on bet ween the t wo kernels .)
- 2011-04-19 18:48:23下载
- 积分：1
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ML5238-Ver1.0
5-16串电池管理方案，含原理图和芯片资料。具有电压测量、过充、过放、过流、均衡等功能。(5-16 string battery management solutions, including schematics and chip data. With voltage measurement, overcharge, over discharge, over current, balance and other functions.)
- 2020-12-14 18:09:14下载
- 积分：1
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无人机在农业方面的三位场景构建研究
说明： 无人机在农业中建立三位场景,用于研究相关农业大棚方位坐落的问题(Construction and application of parametric agriculture 3D scene based on UAV)
- 2021-04-07 20:52:50下载
- 积分：1
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DSDV
有关主动路由协议的文档介绍以及具体的一个应用设计方案(Document describes the active routing protocol, as well as an application design)
- 2012-07-04 09:51:53下载
- 积分：1
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relay-selection
中继选择方案的研究,机会中继 碰撞概率 最佳中继 退避,(Relay selection scheme of research opportunities relay The collision probability The best relay Retreat,
)
- 2021-03-06 12:09:30下载
- 积分：1
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HVAC PART03- By Eng. Ramy Ghoraba
说明： HVAC PART03- By Eng. Ramy Ghoraba
- 2020-06-25 19:40:02下载
- 积分：1
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FOG-Bias-Temperature-Compensation
光纤陀螺温度漂移误差建模及补偿技术研究，对光纤陀螺零偏误差进行建模，并在线补偿(FOG bias temperature compensation)
- 2020-12-25 16:09:06下载
- 积分：1
