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Candence PCB封装库
candence allegro PCB封装库 基本元件库全 包括DDR、FPGA、STM32等一系列芯片库
- 2020-11-28下载
- 积分：1
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遗传算法和贪婪算法结合解决背包问题，matlab程序
本算法用遗传算法和贪婪算法解决了背包问题，产生解得方法用贪婪算法，然后引入了一个错解的修复算法，搜索的时候用遗传算法。保证了快速收敛和解的完备性。包含源程序，算法介绍以及一份详细的报告，希望对读者有很大的帮助
- 2020-12-01下载
- 积分：1
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主成分分析法步骤，例子
主成分分析(Principle Component Analysis, PCA)是最为常用的特征提取方法，被广泛应用到各领域，如图像处理、综合评价、语音识别、故障诊断等。有关主成分分析法的例子，步骤，和代码，希望对大家有帮助
- 2020-11-29下载
- 积分：1
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利用基于直方图的自适应阈值方法实现分割前景与背景
利用基于直方图的自适应阈值方法实现分割前景与背景，使用固定阈值和自适应阈值
- 2020-12-04下载
- 积分：1
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基于混沌理论的微弱信号检测方法
分析了间歇混沌模型振子的混沌特性， 利用 振子的非平衡相变对微小信号具 有敏感性及对白噪声和与参考信号频差较大的周期干扰信号具有免疫力的性质， 采用混沌振子阵列实现 对噪声背景下微弱信号的检测； 并采用梅尔尼科夫方法作为混沌判据， 该方法的优点在于可以直接进行解 析计算。仿真实验表明： 该检测方法简单、 有效，测的精度比较高
- 2020-12-02下载
- 积分：1
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基于电导增量法的MPPT仿真模型
这是用matlab的sumilink仿真平台建立的一个基于电导增量法的MPPT仿真模型。包含了boost电路，光伏电池以及MPPT算法的所有模型。
- 2020-12-04下载
- 积分：1
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频谱仪——安捷伦N9010A操作手册
频谱仪的介绍、操作及性能指标，硬件工程师必须学会的测量器件之一。Definitions and conditionsSpecifications describe the performance of parameters covered by the productwarranty and apply to the full temperature of 0 to 55C, unless otherwisenotedGet more Information95th percentile values indicate the breadth of the population (approx. 2 o) of perfor-This EXA signalanalyzer datamance tolerances expected to be met in 95 percent of the cases with a 95 percentsheet is a summary of theconfidence, for any ambient temperature in the range of 20 to 30C. In addition tothe statistical observations of a sample of instruments, these values include thespecifications and conditionseffects of the uncertainties of external calibration references these values are notfor N9010A EXA and N9010AEPwarranted. These values are updated occasionally if a significant change in theExpress EXA signal analyzers.statistically observed behavior of production instruments is observedwhich are available in the EXASignalAnalyzer SpecificationTypical describes additional product performance information that is not covered byGuide(N9010-90025)the product warranty It is performance beyond specifications that 80 percent of theunits exhibit with a 95 percent confidence level over the temperature range 20 toFor ordering informationkrefer30C. Typical performance does not include measurement uncertaintyto the EXA Signal AnalyzerConfiguration GuideNominal values indicate expected performance, or describe product performance59896531Nthat is useful in the application of the product, but are not covered by the productwarrantyThe analyzer will meet its specifications whenIt is within its calibration cycleUnder auto couple control, except when Auto Sweep Time rules= AccySignal frequencies 10 MHZ, with DC coupling appliedThe analyzer has been stored at an ambient temperature within the allowedoperating range for at least two hours before being turned on; if it had previouslybeen stored at a temperature range inside the allowed storage range, but outsidethe allowed operating rangeThe analyzer has been turned on at least 30 minutes with auto align set tonormal, or, if Auto align is set to off or partial, alignments must have been runrecently enough to prevent an Alert message; if the Alert condition is changedfrom Time and Temperature to one of the disabled duration choices, the analyzermay fail to meet specifications without informing the userFor the complete specifications guide, visitwww.agilent.com/find/exaspecifications1. For earlier instruments/Serial number prefix MY/SG/US5052), the full temperature rangesfrom5t50°CFrequency and Time specificationsFrequency rangeDC coupledAC coupledOption 50310 Hz to 3.6 Gh10 MHz to 3. 6 GHzOption 50710 Hz to 7 GH10 MHz to 7 GHzOption 51310 Hz to 13.6 GHz10 MHz to 13.6 ghzOption 52610 Hz to 26.5 GH10 MHz to 26.5 GhzOption 53210 Hz to 32 gHzNAOption 54410 Hz to 44 gHzNABandLO multiple(N)10 Hz to 3. 6 GHz3.5to7.0GH3.5to8.4GH28.4 to 13.6 GHz3135to17.1GH17 to 26.5 GHz5426.4 to 34.5 ghz344t044GHzFrequency referenceAccuracy+l time since last adjustment x aging rate)+ temperature stability t calibrationaccuracyAging rateOption pFrStandardy±1×106/year±15X107/2 yearsTemperature stabilityOption PFrStandard20to30°c±15×108±2×106Full temperature range±5x1±2×10Achievable initial calibration accuracyOption PFrStandard±4x108±1410Example trequency reterence accuracy=±(1×107+5×103+4×10-)(with Option PFR1 year after last adjustment±19x10Residual fmOption pFr
- 2021-05-06下载
- 积分：1
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迪兰超能RX560D-4G-BIOS
迪兰超能RX560D-4G-Baffin-Hynix.rom
- 2021-05-07下载
- 积分：1
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C++网络五子棋源码
c++ 网络 五子棋 c++ 网络 五子棋 c++ 网络 五子棋c++ 网络 五子棋
- 2021-05-07下载
- 积分：1
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固高GT编程手册的Vc++单轴运动程序
这个是运动控制卡的厂家单轴运动程序，希望对用到的有用。
- 2020-11-30下载
- 积分：1
