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线性控制系统工程(英文版).MorrisDriels--Linear Control Systems Engineering
【实例简介】不是高清版，不过还算看得清楚
线性控制系统工程（英文影印版）
作者：Morris Driels
出版社：McGraw-Hill
出版时间：2000-12-1
丛编项：国际知名大学原版教材系列丛书
《国际知名大学原版教材·信息技术学科与电气工程学科系列（2）：线性控制系统工程》的定位是要为机械工程、电机工程、电子工程、计算机工程等非控制工程专业的本科生提供一本内容适度、实用性强和学时较少的控制理论教材。内容覆盖了经典控制理论和现代控制理论的基础部分，方法包括了频率响应法、根轨迹法和状态空间法。《国际知名大学原版教材·信息技术学科与电气工程学科系列（2）：线性控制系统工程》已被美国多所知名大学采用作为电子工程等专业的本科层次的控制理论教材或主要教学参考书。《国际知名大学原版教材·信息技术学科与电气工程学科系列（2）：线性控制系统工程》的主要特点是，从非控制工程专业本科生对控制理论的需求和教学学时相对要少的实情出发，在体系结构和内容安排上作了富有新意的改革。例如，破除章节式结构、设立专题；破除按一个结论引入例子的惯例，增加来自不同专业工程的研究案例。
- 2021-11-18 00:35:59下载
- 积分：1
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matlab风速仿真模型渐变风文件
自己搭的阵风风速模型，希望有人能用到，可以用作matlab风电场建模，双馈电机等方面
- 2020-11-30下载
- 积分：1
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USB3.0 U盘 四层板(PADS).pcb
USB3.0 U盘 四层板(PADS).pcb
- 2020-12-07下载
- 积分：1
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最大效用频谱分配算法
关于认知无线电频谱分配方面的知识，希望对寻找资源的同学有帮助第37卷第19期何利,郑湘渝,刘振坤:基于图着色理论的最大效用频谱分配算法9542最大平均效用ISAA,但小于CSGC的时问开销。但是由图2可知,在同一图2分别给出了CSGC、ISAA和MUAA3种算法在用频谱数目下,MUAA算法的最大平均效用是最高的,并且随户取值为7和12时的最大平均效用。随着系统中频谱数的不着系统中频谱数目的増多,MUAA算法的最大平均效用高于淅增加,3种算法的最大平均效用基本呈现上升趋势,但是SAA算法,ISAA算法和(S(C算法的效用相同。MUAA算MUAA算法的最大平均效用増加趋势大于CSGC和ISAA算法以牺牲较少的时间开销获得了较大的系统效用,可见,法,这是因为随着频谱数目增加,MUAA算法的用户提高了MUAA算法是这3种算法中最优的。频谱的复用率。5结束语120本文研究了认知无线电网络屮基于图论着色模型的频谱H-ISAAMUAA分配算法,在分析CSGC、ISAA存在的问题基础上,提出兼CSGC顾系统效用和时间开销的MUAA算法,并对3种算法在系统效用和时间开销方面进行仿真比较。仿真结果表明,MUAA算法是有效的。下一步工作是将ISAA的并行计算方法应用2个到MUAA屮,在不增加时间开销的基础上,提高频谱分配的系统效用。参考文献[1] Shared Spectrum Company. Dynamic Spectrum Use[EB/OLI频谱数日(2007-04-25).http://www.sharedspectrum.com(an=7[2]Zheng Haitao, Peng Chunyi. Collaboration and Fairness inOpportunistic Spectrum Access[C]/Proc. of the 40th AnnuaMUAAInlernatiunal Conference on Communications. Seoul Kurea: Ieee3]廖楚林,陈劼,唐有喜,等.认知无限电中的并行频谱分配算法[J.电子与信息学报,2007,29(7:1608-1611[4 Wang Jiao, Huang Yuqing, Jiang Hong. Improved algorithm ofSpectrum Allocation Based on Graph Coloring Model in CognitiveRadio[clproc. of International Conference on Communicationsand Mubile Conputing. Washington D. C, USA: IEEE CoInputer频谱数目ociety,2009:353-357[S]彭振,赵知劲.基于混合蛙跣算法的认知无线电频谱分配[门.图2CsGC、ISAA和MUAA的最大平均效用计算机工程,2010,36(6):210-212.综上所述,由图1可知,MUAA算法的时间开销稍大」编辑陆燕菲(上接第92页信道下本地频谱感知和认知网络合作频谱感知进行研究和仿真,结果表明,合作频谱感知能明显改善 Rician衰洛信道的检测效果。下一步工作是研究其他衰落信道如 Nakagami信道下无线认知网络的合作频谱感知参考文献[]周贤伟.软件无线电M].北京:国防工业出版社,2008AWGN[2 Ghascmi A, Sousa E s. Collaborative Spcctrum Sensing forOpportunistic Access in Fading Environments[C]//Proc. of the Ist10IEEE SYmp. on Dynamic Spectrum Access Networks, Baltimore,103锴误警报概率USA: IEEE Press. 2005: 131-136图4不同用户数目时合作频谱感知的ROC曲线[3] Digham FF, Alouini M S, Simon M K On the Energy Detection of4绪束语Unknown Signals over Fading Channels[C]/Proc. of ICC"03在深度阴影衰落环境屮,认知用户需要合作频谱感知来Ottawa Canada: IEEE Press. 2003: 3575-3579检测到主用户的存在。 Rician信道模型适用于郊区或农村建4 Fctc b a.认知无线电技术lMJ.赵知劲,郑什链,尚俊娜,译模,以后将可能广泛应用,因此,对 Rician衰落信道的认知北京:科学出版社,2008网络合作频谱感知的研究具有重要意义。本文对 Rician衰落编辑金胡考C1994-2012ChinaAcademicJournalElcctronicPublishinghOusc.Allrightsrescrved.http://www.cnki.nct
- 2020-12-01下载
- 积分：1
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国际参考电离层模型IRI的matlab程序
包含IRI2007、2012、2016三个版本，分别为IRI2007、IRI2012、IRI2016三个文件。在iritest中fun2test的参数分别更改为@iri2007、@iri2012、@iri2016可以得到对应的iri模型值。
- 2020-11-30下载
- 积分：1
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Xilinx_FPGA__4层板6层板设计
【实例简介】基于FPGA的四层六层PCB板的设计，焊盘过孔尺寸等布线规则，信号完整性分析、仿真以及电路板的设计策略和布线策略。
- 2021-11-19 00:38:15下载
- 积分：1
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消息传递算法 和积算法 因子图 matlab源码
通过构造因子图（Factor Graph）关于和积算法（Sum-Product Algorithm）的matlab源码，借此可实现消息传递算法（Message Propagation Algorithm，MPA）、LDPC编解码、卡尔曼滤波、隐性马尔可夫链（HMC）等应用
- 2020-12-06下载
- 积分：1
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使用CC2591作为CC2530的功放
使用CC2591作为CC2530的功放, CC2591 PAThe absolute maximum ratings and operating conditions listed in the CC2530 datasheet [1]and the CC2591 datasheet [4] must be followed at all times. Stress exceeding one or more ofthese limiting values may cause permanent damage to any of the devicesNote that these characteristics are only valid when using the recommended register settingspresented in Section 4.6 and in Chapter 8, and the CC2530 - EM reference designOperating Frequency240524835MHzOperating Supply Voltage2036VOperating Temperature-40CTC=25C, VDD=3.0V, f=2440 MHz if nothing else is stated. All parameters are measuredon the CC2530-Cc2591EM reference design [11] with a 50 Q2 loadReceive CurrentWait for sync, -90 dBm input levelWait for sync, -50 dBm input level24mATXPOWER OXE5166mATXPOWER OXD5149mATXPOWER OXC5138mATXPOWER OXB5127mATransmit currentTXPOWER OXA5115ATXPOWER = 0X95100mATXPOWER = 0X8594ATXPOWE=0×75mATXPOWE=0×6579APower Down Current PM2UAISTRUMENTSPage 3 of 19SWRA308ATC=25C, Vdd=3.0V, f= 2440 MHz if nothing else is stated. All parameters are measuredon the CC2530-CC2591 EM reference design with a 50 Q2 loadReceive Sensitivity HGM 1 %PER, IEEE 802. 15.4[6] requires -85 dBm-988dBmReceive Sensitivity LGM1 PER, IEEE 802. 15.4 [6] requires -85 dBm-90.4dBmSaturationlEEE 802.15. 4 [6] requires-20 dBm10dBmWanted signal 3 db above the sensitivity levelIEEE 802.15.4 modulated interferer at ieee 802.15.4 channelsInterferer Rejection+5 MHz from wanted signal, IEEE 802. 15. 4 [6] requires 0 dBdB+10 MHz from wanted signal, IEEE 802. 15. 4 [6] requires 30 dB49dB+20 MHz from wanted signal wanted signal at- 82d BmdBdue to in the external lna and the offset in cc2530 the rssi readouts from cc2530CC2591 is different from rssi offset values for a standalone cc2530 design the offsetvalues are shown in table 4.4High Gain Mode79LoW Gain mode67Real rssi Register value-Rssl offsetISTRUMENTSPage 4 of 19SWRA308ATc=25C, Vdd=3.0V, f=2440 MHz if nothing else is stated All parameters are measuredon the CC2530-CC2591 EM reference design with a 50 Q2 load Radiated measurements aredone with the kit antennaRadiated Emissionwith TXPOWer Oxe5Conducted 2. RF (FCC restricted band)-462|dBmConducted 3. RF(FCC restricted band46.5 dBmComplies withFCC 15.247. SeeChapter 7 for moredetails about regulatoryRadiated 2.RF(FCC restricted band)42.2dBmrequirements andcomplianceIEEE 802.15.4[6]requires max.35%%Measured as defined by IEEE 802.15. 4 6TXPOWER OxE5. f= EEE 802.15. 4 channels13TXPOWER= OXD5. f= EEE 802.15.4 channelsTXPOWER= OXC5 f= EEE 802.15.4 channelsMax error∨ ectorTXPOWER OxB5 f= IEEE 802.15. 4 channelsMagnitude(EVM)TXPOWER OxA5. f= IEEE 802.15.4 channelsTXPOWER 0X95. f= IEEE 802. 15.4 channels643333%%%%%%%TXPOWER= 0x85. f= iEEE 802. 15.4 channelsTXPOWER =0x75 f= IEEE 802. 15.4 channels%TXPOWER= 065. f= iEEE 802. 15.4 channelsThe RF output power of the CC2530- CC2591 EM is controlled by the 7-bit value in theCC2530 TXPOWER register. Table 4.6 shows the typical output power and currentconsumption for the recommended power settings The results are given for Tc= 25 C, Vdd3.0V and f= 2440 MHz, and are measured on the cC2530-CC2591 EM reference designwith a 50 Q2 load. For recommendations for the remaining CC2530 registers, see Chapter 8 oruse the settings given by SmartRF StudioOXE520166OxD519149OxC18138OxB517127OxA5161150x95141000x8513940X75860x651079Note that the recommended power settings given in Table 4.6 are a subset of all the possibleTXPOWER register settings. However, using other settings than those recommended mightINSTRUMENTSPage 5 of 19SWRA308Aresult in suboptimal performance in areas like current consumption, EVM, and spuriousemissionTc=25C, Vdd=3.0V, f=2440 MHz if nothing else is stated All parameters are measuredon the CC2530-CC2591EM reference design with a 50 32 load2221-2V201918171611121314151617181920212223242526251510OxE5OxC5OxA50X850x65540-30-20-1001020304050607080ISTRUMENTSPage 6 of 19SWRA308A98Avg 3.6VAva 3vAvg 2V110111213141516171819202122232425261023.6V-1062V-110-40-30-20-100102030405060708070604020-Wanted signal at:-82 dBm10ISTRUMENTSPage 7 of 19SWRA308ACC2530-CC2591EM High Gain ModeC C2530-CC2591EM Low Gain Mode- CC2530EM40000-100110100908070-60-50-40-30-20-100The IEEE standard 802.15. 4 [8] requires the transmitted spectral power to be less than thelimits specified in table 4.7If-fc>3.5 MHz-20 dB-30 dBmThe results below are given for Tc=25 C, Vdd=3.0V and f= 2440 MHz, and are measuredon the CC2530-CC259 1EM reference design with a 50 Q loadIEEE absoluteChannel 182432.52435243752442524452447.5ISTRUMENTSPage 8 of 19SWRA308AOnly a few external components are required for the CC2530-CC2591 reference design. Atypical application circuit is shown below in Figure 5.1. Note that the application circuit figuredoes not show how the board layout should be done. The board layout will greatly influencethe RF performance of the CC2530-CC2591EM. TI provides a compact CC2530CC2591 EM reference design that it is highly recommended to follow. The layout, stack-upand schematic for the CC2591 need to be copied exactly to obtain good performance. Notethat the reference design also includes bill of materials with manufacturers and part numbersL102 L10=TI INF inductorVDD13cc2530LA 1RF PANTCC2591 RF NFNPA EN(P1 1)i工工I NA FNP:1HGM ENPO 7)T:1Proper power supply decoupling must be used for optimum performance. In Figure 5.1, onlythe decoupling components for the CC2591 are shown. This is because, in addition todecoupling, the parallel capacitors C11, C101, and C131 together with, L101, L102, TL11TL101 and TL131 also work as RF loads. These therefore ensure the optimal performancefrom the CC2591. C161 decouples the AvDD blAs power.The placement and size of the decoupling components, the power supply filtering and thePCB transmission lines are very important to achieve the best performance Details about theimportance of copying the CC2530-CC2591EM reference design exactly and potentialconsequences of changes are explained in chapter 6The RF input/output of CC2530 is high impedance and differential. The CC2591 includes abalun and a matching network in addition to the PA, LNa and RF switches which makes theinterface to the CC2530 seamless. Only a few components between the CC2530 andCC2591 necessary for RF matching For situation with extreme mismatch(VSWR 6: 1 till 12: 1out-of-band as shown in Figure 6.2) it is recommended to include all the components asshown in Figure 5.1ISTRUMENTSPage 9 of 19SWRA308ANote that the PCB transmission lines that connect the two devices also are part of the RFmatching. It is therefore important to copy the distance between the devices, the transmissionlines and the stack-up of the PCB according to the reference design to ensure optimumperformanceThe network between the CC2591 and the antenna(L111, C112, C111 C113 and L112matches the CC2591 to a 50 2 load and provides filtering to pass regulatory demands. C111also works as a dc-blockR151 is a bias resistor the bias resistor is used to set an accurate bias current for internaluse in the cc2591The TI reference design contains two antenna options. As default, the Sma connector isconnected to the output of CC2591 through a 0 Q2 resistor. This resistor can be soldered offand rotated 90 clockwise in order to connect to the PCB antenna, which is a planar invertedF antenna(PIFA). Note that all testing and characterization has been done using the SMAconnector. The PCB antenna has only been functionally tested by establishing a link betweentwo EMs. Please refer to the antenna selection guide [6] and the Inverted F antenna designnote [7 for further details on the antenna solutionsISTRUMENTSPage 10 of 19SWRA308A
- 2020-11-30下载
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模板匹配技术
更深入理解模板匹配技术，能够独立根据已知算法（相关匹配（Correlation Matching）、基于Hausdorff距离匹配方法 及考虑对场景图象距离变换（Distance Transform）的Hausdorff距离匹配方法）在MATLAB下编程实现相关的模板匹配技术，并通过结果，对比不同算法的优缺点。1）利用①相关匹配（Correlation Matching）、②基于Hausdorff距离匹配方法 及③考虑对场景图象距离变换（Distance Transform）的Hausdorff距离匹配方法,实现模板目标在场景图象中的定位。2）对于每个模板分别给出最后的目标定位位置坐标（左
- 2020-11-27下载
- 积分：1
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自适应模糊PID
模糊自适应PID控制是在PID算法的基础上，以误差e和误差变化率ec作为输入，利用模糊规则进行模糊推理，查询模糊矩阵表进行参数调整，来满足不同时刻的e和ec对PID参数自整定的要求。
- 2020-12-09下载
- 积分：1
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