广州链家网数据

1.单机版的考试系统，支持管理员登陆和学生登陆。2.管理员可以编辑题库，出题数量，分值分配，学生编辑，成绩查询打印等功能。3.学生可以选择试卷进行答题，有时间限制，提前交卷，成绩查询，答案解析等功能。4.系统采用Access数据库。支持各种类型的题目导入。

M为7的序列，可用于2DPSK调制的基带信号

教你正确使用CorelDraw工具，当你不会使用CorelDraw工具时，不要担心，此教程教你，这是我下载的一个资源，非常好使用。

利用牛顿-雅可比迭代法求非线性方程组Ax=b的一个根,压缩包里包含了求解非线性方程组的代码，只要用MATLAB软件打开程序运行即可

Matlab reliefF多分类特征排序算法

Matlab各种时间序列模型应用（经典）各种时间序列的Matlab解法，很全面，经典！

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

亚像素边缘提取、matlab代码。文档里包括插值法、拟合法、基于灰度矩法、基于zernike矩法

利用TDN86/88实验系统模拟交通信号灯的实时控制和管理，具体要求： 1、先是车绿灯亮，人行道红灯亮10秒钟； 2、红绿灯切换前开始闪烁，每秒闪烁一次，持续6秒钟； 3、红绿灯切换,车红灯亮，人行道绿灯亮10秒钟； 4、红绿灯切换前开始闪烁，每秒闪烁一次，持续6秒钟； 5、如此循环重复；文档+程序！！！

带整流负载同步发电机的Matlab建模和仿真