MATLAB实现彩色图像增强

基于xilinx的以太网通信Verilog代码，FPGA与电脑通信

统计了不同类型电动汽车的电池容量和百公里耗电量，对电动汽车负荷预测方面有很大帮助。

LabVIEW编写的超级玛丽游戏，很不错，喜欢就下载吧。

本代码主要分为4个部分，分别是车辆高度判断部分、图像采集部分，车牌识别部分、通信部分。通信设置是树莓派用来与单片机通信的波特率、com口以及停止位参数等，将车牌的字符串通过串口发送给单片机；摄像头设置是树莓派对摄像头进行初始化，方便后面直接调用摄像头进行拍照；车辆高度判断，利用激光对射模块，若超过限定高度则返回的电平发生了变化；车牌识别部分是核心部分，对含有车牌信息的图像进行处理，最后得到车牌信息。

易语言基于海康SDK的人脸识别应用，自己的算法，海康的原生SDK获取摄像头画面

DMDECODER二维码识别MFC工程，使用dmdecode库，可以参考一下

5G技术与标准介绍----第6部分：5G组网考虑之SA与NSA介绍-201806235G技术与标准介绍----第6部分：5G组网考虑之SA与NSA介绍-20180623网络架构选项:NR独立组网与非独立组网EPCEPCEPCSCG split bearerNR NSAMCG Split bearerSCG bearer(EPC Connected)闼 Option3Option 3xOption 3aNR NSA(NGC Connected)Option 7Option 7a郾 Option7xOption 5PNR SAOption 4pttion 4a郾 Option2标准化方案分类■标准化制定的SA和NSA多种子选项,NSA早于SA半年时间完成·SA组网更多依赖NGC和5GNR空口,双连接带来的数据分流非必选技术要求NSA依赖LTE/eLTE空口,双连接分流是NSA组网的必选技术要求标准化架构核心网核心网控制面数据分流点标准化完成时间Option2NGCNR2018.6Option 4NGCNRNR2018.12SAOption 4aNGCNRNGC2018.12Option 5NGCelte2018.6Option 3EPCLTELTE2017.12Option 3aEPCLTEEPC2017.12Option 3xEPCLTENR2017.12NSAOption 7NGCelteeLtE2018.6OptionalNGCeLtENGO2018.6Option/xNGCelteNR2018.6注:后续分析SA主要以 Option2为基础,NSA以 Option3系列为基础5G网络架构-SANR接入NGC控制面数据面Option 2Option 4Option 4aNGC((RI)(g)5G NReLTESG NReLTtE5G NReLTE接入NGC-Option 5eLTE5G网络架构—NSALTE接入EPC控制面数据面Option 3Option 3aOption 3X(RI)(y)LTE5G NRLTESG NRLTE5G NReLTE接入NGCOption 7Option 7aOption /XeLtE5G NReLTE5G NReLTE5G NR目录、什么是SA&NSA二、SA&NSA方案考虑三、小结SA(独立组网)和NSA(非独立组网)技术背景:为满足部分运营商快速部署5G需求,标准新引入一种新的组网架构-NSA非独立组网,而传统2/3/4G网络均采用SA独立组网的架构SA(独立组网):5G无线网与核心网之间的NAS信令(如注册,鉴权等)通过4G基站传递,5G可以独立工作选项2选项4系列NSA(非独立组网):5G依附于4G基站工作的网络架构,5G无线网与核心网之间的NAs信令(如注册,鉴权等)通过4G基站传递5G无法独立工作EPCEPC=NAS信令数据选项3系列选项7系列蓝色4G,绿色5G网络架构-SA架构 Option2类似于2/3/4G,5G与前代系统相互独立的网络架构原理■5G核心网与5G基站直接相连,5G核心网与5G基站通过NG接口直接相连,传递NAS信令和数据■5G无线空口的RRC信令、广播信令、数据都通过5GNR传递—■终端连接方式:只接入5G或4G(单连接),手机终端可以在NR侧上行双发与4G互操作:类似4G与3G/2G跨核心网互操作模式业务支持能力:可使用5G核心网能力,便于拓展垂直行业新增配置N26接口:NG、Ⅺn、N26(4/5G间互操作5GNR→LTE■4G与5G间互配邻区Option 2网络架构-NSA架构 Option3系列■NSA:4/5G紧耦合,5G依附于4G基站工作的网络架构,无法独立组网,存在多种子架构■原理:■同时沿用4G核心网,5G类似4G载波聚合中的辅载波,用于高速传输数据,NAS信令则由4G承载MME/SGWMME/S-GW5G无线空口的RRC信令、广播等信令可由4G传递,数据通过5GNR和4GLTE传递■终端连接方式:与5G和4G连接(双连接),受限功耗、散热,手机终端很难在双连接状态下,NR侧上行双发enB(P)en-gNB与4G互操作:无■业务支持能力:仅支持大带宽业务■新增配置LTEX2口升级,支持4G配置双连接5G目标小区和流控,与配置邻区类似NSA子架构■ Option3:数据面通过4G空口接入4G核心网,数据分流点在LtE enB,大量5G流量导入至4GeNB涉及硬件改造Option3a:通过4G空口接入4G核心网,数据分流点在LTE(R)(g)(R)EPCLTE5G NRLTE5G NRLTE5G NR■ Option3X:通过4G空口接入4G核心网,数据分流点在NROption 3Option 3aOption 3XgNB■ Option3涉及4G基站硬件改造,本材料主要介绍对NSA的 option3x和3a系列

蓝桥杯练习题库，从官网获取，包含vip试题。蓝桥杯练习题库，从官网获取，包含vip试题

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

机器学习LR分类器算法的Python实现，博文参考http://blog.csdn.net/suipingsp/article/details/41822313