登录
首页 » Others » LabVIEW modbus 库 lib

LabVIEW modbus 库 lib

于 2020-12-10 发布
0 165
下载积分: 1 下载次数: 1

代码说明:

LabVIEW modbus协议通信的全套函数

下载说明:请别用迅雷下载,失败请重下,重下不扣分!

发表评论


0 个回复

  • 在线抽奖系统网页源码JS
    在线抽奖系统网页源码JS可以修改次数,设置中奖物品
    2020-12-02下载
    积分:1
  • 有关chirp信号的frft
    有关chirp信号的FRFT,包括FRFT卷积,FRFT乘法,以及chirp信号的参数估计等
    2021-05-06下载
    积分:1
  • Haar人脸检测+SVM+PCA人脸识别
    使用基于Haar特征的级联分类器进行人脸检测,并使用SVM+PCA进行人脸识别匹配。
    2021-05-06下载
    积分:1
  • C# winform小型人事管理系统
    C# winform小型人事管理系统,C# winform小型人事管理系统C# winform小型人事管理系统
    2020-11-29下载
    积分:1
  • Matlab 调用 REFPROP(64位)下载即可用
    Matlab实现在64位windows系统调用refprop,包含了必要的函数说明,下载就可以用
    2020-06-26下载
    积分:1
  • fluent汉化补丁
    fluent汉化补丁fluent汉化补丁fluent汉化补丁
    2020-12-01下载
    积分:1
  • 通信信号自动制式识别及参数估计
    【实例简介】通信信号调制制式的自动识别和调制参数的自动估计是非协作通信和软件 无线电中的主要问题。非协作通信是通信中的一个分支,在民用或军用场合都 有重要的应用,它需要接收机在先验知识不足的前提下监视空间通信信号的活 动情况,并截获其传输的信息内容;软件无线电是未来通信中的一个关键技术, 它需要接收机能在同一个硬件平台上自动完成多种体制、多个频段的通信和相 互间的切换。这里面都需要解决通信信号制式的自动识别和参数估计。另外, 信噪比(SNR)是接收信号的一个关键参数,它对通信系统的性能有着重要影响, 对它的估计也十分必要。直接扩频序列信号(DSSS)由于具有极低的功率谱密 度,如何在非协作通信中不知道扩频序列的前提下对其进行检测和估计,是一 个具有很强的应用背景同时富有挑战性的课题。本文以通信信号的统计特性为 基础,分别对这些问题进行了研究和探索,主要包括: 首先,使用统计模式识别的方法,综合决策树识别器和神经网络识别器的 优点,提出了一种混合识别器,它在不依赖于先验的调制参数和信噪比的条件 下能对常用的11种数字调制信号CW、BPSK、QPSK、OQPSK、16QAM,32QAM, 64QAM、2FSK、4FSK、GMSK和OFDM进行准确的识别。 其次,研究了非协作通信中观测信号调制参数的估计问题。对M-PSK及 M-QAM信号滚降系数的研究表明,接收机中滚降系数不准确对系统性能的影响 非常小,因此我们在设计接收机时可以不必考虑滚降系数的影响,而只需固定 一个值即可。对M-FSK号调制指数的研究表明,我们提出的估计算法能够显著 改善时钟同步性能,并且估计结果不影响最后的误码率。对M-PSK、M-QAM 及OQPSK信号波特率的研究表明,我们提出的波特率估计算法能够在较短的观 测长度下取得较高精度的波特率估计值,并且估计结果完全满足解调器所需的 精度要求。 再次,研究了观测信号SNR的估计问题,提出了两种不依赖于辅助数据的 估计算法,一种是改进的基于最小描述长度原理和特征值分解的算法,另一种 算法基于Gibbs抽样原理。这两种算法均能在AWGN信道和多径信道中精确估 计出信号的SNR。此外,第二种算法还可以给出信道的估计信息。 最后,利用扩频序列的强自相关特性和弱互相关特性,研究了DSSS信号在 非协作通信中的检测和参数估计问题。算法以接收信号自相关函数的累加为基计DSSS信号的波特率、chip速率和载波频率,然后提出了两个测度函数, 一个对扩频序列进行同步,确定出扩频序列在观测序列中正确的起始位置;另 一个在扩频序列同步的基础上估计序列中每一个chip的具体数值。计算机仿真 结果验证了理论分析的正确性。 本论文的研究结果表明:通过采用本论文提出的调制信号自动识别算法和 相关的调制参数估计算法,可以有效的提高非协作通信和软件无线电中接收机 的工作性能和实用化程度。
    2021-11-02 00:38:56下载
    积分:1
  • Y430P官方BIOS 版本: 3.66
    Y430P官方BIOS版本3.66,未做修改。原版,有需要的拿去吧。。。
    2020-12-10下载
    积分:1
  • GNSS-SDR_manual.pdf (v0.0.9)
    GNSS-SDR is an open-source GNSS software receiver freely available to the research community. This project provides a common framework for GNSS signal processing which can operate in a variety of computer platforms. This tool is intended to foster collaboration, increase awareness, and reduce develoContentsMain Page1.1 Contents1.2 Overview1.3 Building GNSS- SDR2351.3.1 Debug and release builds1.3.2 Updating GNSS-SDR1.4 Using GNSS-SDR51.5 Control plane1.5.1 Configuration61.5.2 GNSS block factory1.6 Signal Processing plane1.6.1 Signal Source1.6.2 Signal Conditioner1.6.3 Channel1.6.3.1 Acquisition1.6.3.2 Tracking101.6.3.3 Decoding of the navigation message11.6.4 Observables121.6.5 Computation of Position, velocity and Time121.7 About the software license1.8 Publications and Credits131.9 Ok. now what?14CONTENTS2 Reference Documents152.1 Interface Control Documents152.1.1GPs2.1.2 GLONASS152.1.3Gai152.1.4 beiD2.1.5 Satellite Based Augmentation Systems(SBAS)2.2 Other Standards2.2.1R|NEX172.2.2 NMEA22.3KML.2.2.4 C++ Standards182.2.5 Positioning protocols in wireless communication networks183 Signal model193. 1 GNSS signal model1.1 Global Positioning System(GPS)signal in space3.1.2 GLONASS signal in space3.1.3 Galileo signal in space223.1.4 Reference254 Todo list5 Hierarchical Index5.1 Class Hierarchy6 Class Index336.1 Class list7 File Index7.1 File list43CONTENTS8 Class docu8. 1 AcquisitionInterface Class Reference538.1.1 Detailed Description8.2 ArraySignal Conditioner Class Reference8.2.1 Detailed Dtio558.2.2 Constructor& Destructor Documentation8.2.2. 1 Array SignalConditioner(Configurrface configuration, std: shared_ptr data type_adapt, std: shared_ptr< GNSSBlockInterfaceil, std: shared ptr< GNSSBlockInterface > res, std: string role, std: stringimplementation)558. 2.2.2 Array SignalConditioner(558.2.3 Member Function Documentation8.2.3. 1 implementation(558.3 beamformer Class Reference568.3. 1 Detailed Description8. 4 Beamformer Filter Class Reference568.4.1 Detailed description578.4.2 Member Function Documentation8. 4.2.1 implementation()8.5 byte x2 to complex byte Class Reference8.5.1 Detailed Description588.6 Byte ToShort Class Reference588.6. 1 Detailed description8.6.2 Member Function Documentation8.6.2. 1 implementation(598.7 Channel Class Reference598.7.1 Detailed description608.7.2 Constructor Destructor Documentation8.7. 2.1 Channel(ConfigurationInterface *configuration, unsigned int channel, std+shared_ptr< GNSSBlockInterface> pass through, std: shared_ptr acq, std: shared_ptr nav, std string role, std stringimplementation, boost: shared ptr< gr: msg_queue queuegenerated by DoxygenCONTENTS8.7.2.2 Channelo8.7.3 Member Function Documentation8.7.3. 1 implementation(618.7.3.2 set signal(const Gnss Signal &gnss signal8.7.3. 3 start_ acquisition(68.8 channel msg receiver cc Class Reference8.8.1 Detailed Description628.8.2 Constructor Destructor Documentation628.8.2. 1 channel_msg_ receiver_ cco8.9 ChannelFsm class Reference8.9.1 Detailed Description638.10 ChannelInterface Class Reference638.10.1 Detailed Description8.11 cl_ fft_ plan Struct Reference648.11.1 Detailed Description648.12 clFFT Complex Struct Reference648. 12. 1 Detailed Description8. 13 ClFFT Dim 3 Struct Reference8. 13.1 Detailed description658.14 ClFFT_ SplitComplex Struct Reference658. 14.1 Detailed Description658. 15 complex byte to float x2 Class Reference8. 15.1 Detailed description8. 16 complex_ float_to _ complex_ byte Class Reference668.16.1 Detailed Description668. 17 concurrent map< Data> Class Template Reference8.17.1 Detailed description8.18 concurrent_ queue< Data > Class Template Reference8.18.1 Detailed description688.19 ConfigurationInterface Class ReferenceCONTENTS8.19. 1 Detailed Description8.20 ControlMessage Class Reterence698. 20. 1 Detailed Description8.21 ControlMessage Struct Reference698.21. 1 Detailed Description8.22 ControlMessageFactory Class Reference708.22. 1 Detailed Description8. 22.2 Constructor Destructor Documentation8. 22.2. 1 ControlMessage Factory8. 22.2.2 ControlMessage(8.23 Control Thread class Reference8. 23. 1 Detailed Description718.23.2 Constructor Destructor Documentation8.23. 2.1 ControlThreado8. 23.2.2 Control Thread(std: shared_ptr< ContigurationIntertace> configuration)8.23. 2.3 Control Thread(728.23. 3 Member Function Documentation8.23.3. 1 flowgraph7282332run()728.23.3.3 set_control_ queue(boost: shared _ptr< gr: msg_queue control queue)8. 24 cpu multicorrelator Class Reference8.24. 1 Detailed Description8.25 cpu multicorrelator 1 6sc Class Reference8.25. 1 Detailed Description748.26 cshort to float x2 Class Reference748. 26. 1 Detailed Description8.27 cuda multicorrelator Class Reference8.27.1 Detailed Description758.28 direct resampler conditioner cb class Reference758.28. 1 Detailed Descriptiongenerated by DoxygenCONTENTS8.29 direct resampler conditioner cc Class Reference8.29. 1 Detailed description768.30 direct resampler conditioner cs Class Reference8.30. 1 Detailed description8.31 DirectResampler Conditioner Class Reference8.31. 1 Detailed Description788.31.2 Member Function Documentation788.31.2.1 implementation788.32 Fast Correction Struct Reference8. 32 1 Detailed Description8.33 File Configuration Class Reference8.33. 1 Detailed Description798.33.2 Constructor destructor documentation8.33.2. 1 File Configuration(8. 34 File SignalSource Class Reference808.34.1 Detailed Description808.34.2 Member Function Documentation8.34.2.1 implementation(8.35 Fir Filter Class Reference8.35. 1 Detailed Description818.35.2 Constructor Destructor Documentation8.35.2. 1 Fir Filter( ConfigurationInterface *configuration, std: string role, unsigned intreams, unsigned int out_streams)8.35. 2.2 FirFiltero8.35. 3 Member Function Documentation8.35.3. 1 implementation(828.36 FlexibandsignalSource Class Reference828.36. 1 Detailed descripti838.36.2 Member Function Documentatio8.36.2.1 implementation(8. 37 FreqXlating FirFilter Class ReferenceCONTENTSX8.37.1 Detailed Description8.37.2 Member Function Documentation848.37. 2.1 implementation(848.38 FrontEndCal Class Reference848. 38. 1 Detailed description8.38.2 Member function documentation8.38. 2.1 estimate_doppler_ from_ _eph(unsigned int PRN, double toW, double lat, doublelon, double height)8.3822 get ephemeris(),.,.,,.,,,,,,,858.38.2.3 GPS L1 front end model E4000(double f bb true Hz, double f bb_measHz, double fs nominal_ hz, double *estimated_fs_ hz, double *estimated_f if Hz, 85double *tosc_err_ppm)8.38.2.4 set_configuration(std shared_ptr< ConfigurationInterface configuration)858. 39 Galileo Almanac class Reference858.39. 1 Detailed description8. 39.2 Constructor destructor documentation8.39.2.1 Galileo_ Almanac8.40 galileo e1 dl pll veml tracking cc Class Reference8.40. 1 Detailed Descriptio88ember Function Documentation8.40.2.1 general work(int output_ items, gr_ vector_int &ninput_ items. gr vector_constvoid_star &input_items, gr_ vector_ void_ star &output_ _items)8. 41 galileo_e1_ Is_pvt Class Referenc8.41. 1 Detailed Descriptio8. 41.2 Member data documentation8. 41.2.1 d channels898.41. 2.2 galileo_ ephemeris_ map898.42 galileo e1 observables cc Class Reference8.42. 1 Detailed Description8. 43 galileo_e1_pvt_cc Class Reference8.43. 1 Detailed description8. 43.2 Constructor Destructor documentatiCONTENTS8. 43.2.1 galileo_e1_pvt_cc918. 43.3 Member Function documentation8. 3.1 general_work(int output_items, gr vector_int &ninput_items. gr_ vector_constevoid star &input items, gr vector void star &output items)918. 44 Galileo_E1_ Tcp Connector_ Tracking_cc Class Reference8.44.1 Detailed Description8. 45 galileo e1b telemetry decoder cc Class Reference928.45. 1 Detailed description938. 45.2 Member Function Documentation8.45.2. 1 forecast(int noutput_items, gr_ vector_ int &input_items_required8.45. 2.2 general_ work(int output_items, gr- vector_ int &ninput_items. gr_ vector_const+void star &input_items, gr_ vector_ void_ star &output_ items938. 45.2.3 set_channel(int channel8.45.2. 4 set_ decimation(int decimation)8. 45. 2.5 set_ satellite(Gnss_ Satellite satellite)8.46 Galileo E5a Dl Pll Tracking cc Class Reterence8.46. 1 Detailed description48. 47 galileo e5a noncoherentlQ acquisition caf cc class Reference8.47.1 Detailed Description958. 47.2 Constructor Destructor Documentation8.47. 2.1 galileo e5a noncoherentlQ acquisition caf cco8. 47.3 Member Function Documentation968.47. 3.1 general_ work(int output_items, gr_ vector_int &ninput_ items. gr vector_const+void_star &input_items, gr_vector_ void_star &output_items)8.47.32init()968.47.3.3mag(0..968.47.3.4 set active(bool active968.47.3.5 set channel(unsigned int channel)968.47.3.6 set_ doppler_ max(unsigned int doppler_ max)8.47.3.7 set_ doppler_ step(unsigned int doppler step8.47.3.8 set_gnss synchro(Gnss Synchro *p_gnss_ synchro8.47.3.9 set_local_code(std: complex< float >*code, std: complex< float > *code Q)97
    2020-12-01下载
    积分:1
  • SVM 图片二分类
    提取图片的siftte特征,训练SVM分类器,对图片进行二分类,亲测有效,供大家使用
    2021-05-06下载
    积分:1
  • 696518资源总数
  • 104617会员总数
  • 12今日下载