-
家教管理系统
1.家教管理系统数据库的设计。2.教员信息注册和查询。3.需求信息的发布，预订和管理。4.在线咨询和回复信息。5.实现学员和教师的在线交流。
- 2020-11-03下载
- 积分：1
-
《GPS应用程序设计》GPS程序源代码
《GPS应用程序设计》GPS程序源代码《GPS应用程序设计》GPS程序源代码
- 2020-12-01下载
- 积分：1
-
LPC1788开发板原理图+PCB全套
DXP2004格式的LPC1788开发板原理图+PCB全套工程文件，可以直接用来打板。带SDRAM部分
- 2020-11-30下载
- 积分：1
-
风力发电机组的控制技术
一本比较好懂的关于风电控制方面的书籍，作者：叶航冶
- 2020-11-29下载
- 积分：1
-
CMW500仪器编程手册
CMW500的资料不多，这是非常不错的参考资料R&s CMW 500Contents overviewContents overview1 Preparing the Instrument for Use2 Getting Started3 System Overview4 Basic Instrument functions5 Remote Control6 System Command Reference7 General Purpose RF Applications8 GSM Applications9 WCDMA Applications10 WiMAX Applications11 AnnexesNote about Faceless InstrumentsChapter 1 of this manual gives an overview of the front panel controls and connectorsof the R&s CMW 500 Wideband Radio Communication Testers with display and givesall information that is necessary to put the instrument into operation and connectexternal devices. The application examples in Chapter 2 and the following chapters arealso based on a r&S CMW 500 with displayThe measurement functionality of the two instrument types is identical. You can test allmeasurement examples reported in this manual using an r&S CMW 500 withoutdisplay that is controlled from the Graphical User Interface displayed on an externalmonitor or pcFor specific information concerning faceless instruments refer to your quick start guide.Operating Manual 1202. 3986.32-03R&s CMW 500ContentsContents1 Preparing for Use…日日画1.1 Front Panel Tour1.1.1 Utility Keys…1.1.2 Status LEDs and Standby Key1.1.3 Display…1.1.4 Softkeys and Hotkeys1.1.5 Setup Keys1.1.6 Data Entry Keys223334561.1.7 Rotary Knob and Navigation Keys1.1.8 Front panel connectors1.1.8. 1 RF Connectors1.1.8.2 LAN Connector1.183 SENSOR Connector1.184 USB Connectors1.1.8.5 AF Connectors888881.2 Rear panel tour:::::B:1.3 Putting the Instrument into Operation1.3.1 Unpacking the instrument and checking the shipment1.3.2 Instrument Setup...............001.3.3 Bench Top Operation1.3.4 Mounting in a 19 Rack121.3.5 EMI Protective measures131.3.6 Connecting the Instrument to the AC Supply131.3.7 Power on and off…131.3.8 Replacing Fuses141.3.9 Standby and ready state141.4 Maintenance15Operating manual 1202.3986.32-03R&s CMW 500Contents1.4.1 Storing and Packing151.5 Connecting External Accessories…………,…,…,…,…,…,…,………,……….151.5.1 Connecting a mouse161.5.2 Connecting a Keyboard161.5.3 Connecting a Printer1.5. 4 Connecting a monitor1.5.5 Connecting a LAN Cable788916 Starting the R&scMW500 and Shutting D。wn…,.....,.,…,,,191.7 Remote Operation in a LAN...........-.201.7.1 Assigning an IP Address201.7.2 Remote Desktop Connection221.8 Windows xP国国国面1.9 Firmware Update…,,…,,,,,,,,,",…,…222 Getting Started,…,…,…252.1 Basic tasks.…252.1.1 Accessing Dialogs252.1.2 Using Keyboard Shortcuts272.1.3 Data entr272.14 Using Front Panel Keys.……282.1.5 Using an External Keyboard2.1.6 Task bar302.2 Sample Session…312.2.1 Generating an rf signal312.2.1.1 GPRF Generator2.2.2 Measuring an RF Signal332.2.2.1 GPRE Power333 System Overview…363.1 Generators363.1.1 Generator Control363.1.2 RF Path Settings(Generators)37Operating manual 1202.3986.32-03R&s CMW 500Contents3.2 Measurements383.2.1 Measurement control383.2.2 Connection Control(Measurements393.2.3 Statistical Settings3. 2. 4 Statistical Results3.2.4.1 Statistics Type423.2.4.2 Detectors433.2.4.3Peak∨ alues.433244 Averaging…443.245 Standard deviation143.2.5 Trigger Settings453.2.6 TX Measurements453.2.6.1 Power results463.2.6.2 Modulation accuracy3.2.6.3 Adjacent Channel Power(Spectrum)493.2.6.4 Spectrum Emission Mask493.2. 6.5 Code domain power503.2.6.6 Multi-Evaluation measurements4 Basic Instrument Functions534.1.1 Startup Dialog534.2 Utility Dialogs544.2.1 Reset Dialog..4.2.2 Print Dialog554.2.3 Save/Recall Dialog564.3 Setup Dialog…,,,,…574.3.1 Activating Options584.3.2 Selftests…594.3.2.1 General test features604.3.2.2 Board Tests614.3.23 System Tests…62Operating Manual 1202.3986.32-03R&s CMW 500Contents4.3.2.4 Performing Selftests24.3.25 Selftest Parameters634.3.3 Reference Frequency654.3.3.1 Reference Frequency Settings654.3.4 Measurement Controller Dialog664.3.5 Generator Controller Dialog665 Remote Control685.1 Remote Control Operation685.1.1 Establishing and Testing a LAN Connection705.1.2 Switchover to remote control5.1.3 Return to Manual Operation715.2 Messages国国国面…725.2.1 VXI-11 Interface Messages725.2.2 GPIB Bus Interface Messages..725.2.3 Device Messages(Commands and Device Responses)735.2. 4 SCPl Command structure and syntax735.2.4.1 Common commands745.2.4.2 Instrument-Control Commands5.2.4,3 Structure of a command line765.2.4.4 Responses to Queries5.2.45 SCPI Parameters,775.2.4.6 Use of SCPl Subsystems95.3 R&s CMW Software and command structure5.3.1 General command structure5.3.2 Firmware applications815.3.3 Measurement Contexts and views5.4 Control of the instrument825.4.1 Measurement Control825.4.1.1 Measurement states and measurement control commands835.4.1.2 INITiate: : MEASurement84Operating manual 1202.3986.32-03R&s CMW 500Contents5.4.1.3 ABORt: MEASurement 8554.14sTOP:< Application> MEASurement>.,……855.4.1.5 Measurement substates855.4.2 Statistical Settings865.4.3 Retrieving Measurement Results885.4,3. FEtCh.? Command885.4.3.2 READ.? Command∴8954.33 Retrieving Single∨ alues and traces.…5.4.4 Reliability Indicator5.4.4.1 Common Reliability Indicator……5.4.5 Multi-Evaluation Measurements5.4.6 Generator control925. 4.7 RF Path Settings945.4.8 Resource and path Management∴945.4.8. 1 Basic RPM Principles5.4.8.2 Queuing of Measurements∴9654.83 Causes for task Conflicts5.4.8.4 Monitoring Measurement and Generator States995.5 Command Processing...:::::B:995.5.1 Input Unit1005.5.2 Command Recognition1005.5.3 Data base and instrument hardware1015.5.4 Status Reporting System1015.5.5 Output Un1025.6 Status Reporting System1025.6.1 Overview of status Registers1035.6.2 Structure of an SCPl Status Register…1035.6.2.1 Description of the five status register parts1045.6.3 Contents of the Status Registers1055.6.3.1 STB and sre.105Operating manual 1202.3986.32-03R&s CMW 500Contents5.6.3.2 IST Flag and pPe.1065.6. 3.3 EsR and ese∴1075.6.3 4 STATus: OPERation1085.6.3.5 STATus QUEStionable1085.6.4 Application of the status reporting s ystem1085.6.4.1 Service Request1085.6.4.2 Serial poll1095.6.4.3 Parallel poll1095.6.4.4 Query of an Instrument Status1105.64.5 Error queue.….115.6.5 Reset Values of the Status Reporting System1116 Command reference∴∴11361 Special Terms and Notation…,…………,…,…,………,…,…,,…,………………1136.2 Common commands1156.3 Instrument-Control commands.117631 MMEMory Commands…..,,,…,,……1176.3.2 Ref Frequency Commands1206.3.3 STATus Commands1216.3.4 SYSTem Commands1256.3.5 LAN Services1256.3.6 Miscellaneous Instrument Settings1286. 4 Alphabetical List of Commands System)1317 GPRF Applications1337.1 GPRF Measurements and generators1337.1.1 General Purpose RF Generato.1337.1.1.1 GPRF Generator(Constant Frequency)1337.1.1.2 Arbitrary RF Generator(Option R&S CMW-B110 A)1347.1.13 List Mode∴1357.1.2 Power measurement1357.1.2.1 Test Setup…135Operating manual 1202.3986.32-03
- 2020-12-05下载
- 积分：1
-
LittlevGL中英文档
LittlevGL是一个免费的开源图形库，提供了创建嵌入式GUI所需要的一切易于使用的图形元素，具有漂亮的视觉效果和低内存占用。具有功能强大的单元块，对输入设备支持较完善，同时具有低内存，采用C编写具有比较好的兼容性。中英文档是对LittlevGL文档的简单翻译，有利于快速了解LittlevGL各功能模块的应用。EXamde5.4 Button(v btn)............58Overview58Style usage...............59Notes59Example595.5 Button matrix(lv btnm)61Overview61Style usage.................,..................62Notes62Example625.6 Calendar( calendar)-……64OverviewStyle usage……看着翻Example655.7 Chart( ly chart)…67Overview..67Style usage.......:.:::::·::::::68Example…685.8 Check box lv cb)70Overview70Style usage…70Example705.9 Container(lv cont72Overview72Style usage……72NoExample735.10 Drop down list(lv ddlist)74Overview74Style usage ...74Example,…:::..:.:..:::::.aa是着着·目1着着,非着·着755.11 Gauge(Iv gauge7676Style usage76Example775.12mage(img)….,,,,,7878Style usage着看E着NotesExample795.13 Image button(| imgbtn).…………………281verview81Style usage…...,.,NotesExample,…815.14 Keyboard(Nkb)…83Style usageExample5.15List(|ist)…着着着D·音着着垂8585Style usage.........................85Notes86EXame865.16LED(l|ed)..,OverviewStyle usage....................89Notes89Example5.17Line(line)…91OverviewStyle usage.................,..................91NotesExample....................5.18 Line meter( Imeter)……93Overview..93Style usage…看着翻93Notes93Example945.19 Label (lv label)..96Overview96Style usage………………Notes97Example975.20 Message box(Iv mbox).......,,99OverviewStyle99Not100mp1005.21 Page(v page)........::::.:.:::102Overview…………,…102Style usage103Notes103Example1045.22 Preloader(lv preload):.::::::..105Overview105Style105Example1055.23 Roller(lv roller).......106Overview.…106Style usage…106ExampleE着1075.24 Slider (lv slider).108Overvie108Style usage108Notes108Example1095.25 Spinbox(Iv_ spinbox).111Overview……4111Style usage Notes111notes111Example....1115.26 Switch(lSW)…..112Overview.…4112Style usage…112Notes112Example1135.27 Tab view(Iv tabview)114Overview114Style usage…..114Notes…115Example1155.28 Text area(lvta)…116Overview116Style usage117Notes117Example1175.29 Window(lv window)119Overvie.119Style usage119Notes120camp内容表Welcome portingButton matrix (lv btnm欢迎移植Calendar (lv calendar)PC simulator ObjectsPC模拟器项目Chart(lv chart)Styles风格Check box (1v cb)Input devicesContainer(1v cont输入设备Drop down list(lv ddlist)Colors颜色Gauge(lv gauge)Fontmage (lv lmg字体Image button(lv imgbtn)Drawing绘画Keyboard (lv kb)List(lv listAnimations动画Led(lv led)Coding Style guideLine (1v line)Line meter(lv 1meter)Object typesArc(lv arc)Label(lv labe1)Bar (lv bar)Message box(1v mbox)Base object (lv obj)Page(lv pageButton(lv btn)Preloader(lv preload)Switch(lv sw)Roller (lv rollerTab view (lv tabview)Slider (lv sliderText area (lv ta)inbox (lv spinboXWindow (lv window)云图■xD62:ChecK Doeleica一Cekba check bpsELittleygl是一个免费的开源图形库,提供了创建嵌入式GU所需要的一切易于使用的图形儿素,只有漂亮的视觉效果和低内存占用。关键特性Powerful building blocks buttons, charts, lists, sliders, images, etc功能强大的单元块按钮、图表、列表、幻灯片、图片等Advanced graphics with animations, anti-aliasing, opacity, smooth scrolling先进的图形动画,反锯齿透明度,平滑滚动Various input devices touch pad, mouse, keyboard, encoder, buttons, etc各种输入设备触摸板、鼠标、键盘、编码器、按钮等。Multi-language support with UTF-8 encoding支持UTF-8编码的多语言Fully customizable graphical elements全可定制的图形元素Hardware independent to use with any microcontroller or display硬件独立于任何微控制器或显示器Scalable to operate with little memory (50 kB Flash, 10 kB RAM)可伸缩用于少量内存(50 kb flash,10 kb ram)的操作OS, External memory and GPU supported but not required支持O5、外部存储器和GPU,但也不强求Single frame buffer operation even with advances graphical effects即使有先进的图像特效,也可以进行单帧缓冲Written inc for maximal compatibility用C编写,从而具有最大的兼容性Simulator to develop on PC without embedded hardware没有嵌入式硬件的情况下也可以基于PC模拟器开发Tutorials, examples, themes for rapid development为快速丌发而准备的教程、例了及主题5
- 2020-12-03下载
- 积分：1
-
VIBE算法原理及openCV源程序
VIBE前景检测方法，老外09年提出的新背景建模方法，速度比混合高斯背景模型提高几倍，检测效果也好于混合高斯模型。该包中包含了基本原理以及算法源代码。
- 2020-12-06下载
- 积分：1
-
MATLAB实现人体识别
MATLAB实现人体识别，MATLAB实现人体识别，MATLAB实现人体识别，MATLAB实现人体识别，
- 2020-11-27下载
- 积分：1
-
朴素贝叶斯分类Iris数据
使用朴素贝叶斯分类Iris数据，含Iris原始数据和实验报告
- 2020-12-03下载
- 积分：1
-
matlab车牌识别程序源代码
本程序是基于MATLAB做的车牌识别的源代码，车牌识别效果还挺不错的。
- 2020-12-05下载
- 积分：1
