Description: BL75R04SM 2K 位EEPROM 射频识别
射频接口完全符合ISO15693标准
该程序可进行数据数据的多读写等操作
BL75R04SM 是遵从 ISO/IEC15693 无线接口的2Kbit 电子标签芯片。可制作成电子
标签或非接触卡，主要适用于大中型物流、商品防盗防伪、工业控制、门禁系统、军
事跟踪、路桥收费、畜牧养殖、图书文档管理、特种设备和金融票据等领域。具备防
2
冲突功能，读写器能同时快速处理多个芯片。片内2K 位 E PROM，分成64block，
每 block 有4 字节的数据存储区，2 个位的块锁存区，管理存储区2 block ，全球唯一
的64 位标示码。 -BL75R04SM 2 K bit EEPROM radio frequency identification
Rf interface fully comply with ISO15693 standards
This program can be more data data and operation
BL75R04SM is follow ISO/IEC15693 wireless interface Kbit electronic tag 2 chip. Can be made into electronic
Tag or the contact card, mainly is suitable for the large and medium-sized logistics, commodity anti-theft security, industrial control, access control system, the army
Things tracking, road, bridge charges, animal husbandry and breeding, books document management, special equipment and financial instruments, etc. Have the
2
Conflict, literacy can at the same time the function DuoGe rapid processing chip. Within 2 K bit E of PROM, which divided into 64,
Every four bytes of data which storage area, two bits of the latch area, the area of storage management, the only global which 2
A mark of 64 yards.
Platform: |
Size: 166912 |
Author:zakailynn |
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Description: 继上次源码开放后，本次把BL芯片信息公开下载，供大家与程序操作
BL75R04SM 是遵从 ISO/IEC15693 无线接口的2Kbit 电子标签芯片。可制作成电子
标签或非接触卡，主要适用于大中型物流、商品防盗防伪、工业控制、门禁系统、军
事跟踪、路桥收费、畜牧养殖、图书文档管理、特种设备和金融票据等领域。具备防
2
冲突功能，读写器能同时快速处理多个芯片。片内2K 位 E PROM，分成64block，
每 block 有4 字节的数据存储区，2 个位的块锁存区，管理存储区2 block ，全球唯一
的64 位标示码。 -BL75R04SM 2 K bit EEPROM radio frequency identification
Rf interface fully comply with ISO15693 standards
This program can be more data data and operation
BL75R04SM is follow ISO/IEC15693 wireless interface Kbit electronic tag 2 chip. Can be made into electronic
Tag or the contact card, mainly is suitable for the large and medium-sized logistics, commodity anti-theft security, industrial control, access control system, the army
Things tracking, road, bridge charges, animal husbandry and breeding, books document management, special equipment and financial instruments, etc. Have the
2
Conflict, literacy can at the same time the function DuoGe rapid processing chip. Within 2 K bit E of PROM, which divided into 64,
Every four bytes of data which storage area, two bits of the latch area, the area of storage management, the only global which 2
A mark of 64 yards.
Platform: |
Size: 197632 |
Author:zakailynn |
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Description: 通过分析8PSK 调制方式的载波恢复、定时恢复算法, 提出了一种适用于新一代数字卫星电视标准DVB S2
的全数字解调算法, 改进了相位频率检测( PFD) 算法以适合于8PSK 解调. 载波恢复采用频率检测( FD) 和相位频率
检测相结合的结构, 跟踪范围超过1 倍符号率. 采用Gardner TED 算法进行定时恢复.-By analyzing the 8PSK modulation carrier recovery, timing recovery algorithm is proposed for a new generation of digital television standard DVB S2 Satellite all-digital demodulation algorithm, improved phase-frequency detector (PFD) algorithm for 8PSK demodulation . carrier recovery using frequency detection (FD) and phase-frequency detector combined structure, tracking more than 100 times the symbol rate range. using Gardner TED algorithm timing recovery. Platform: |
Size: 199680 |
Author:赵亮 |
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Description: 本装置采用单相桥式DC-AC逆变电路结构，以TI公司的浮点数字信号控制器TMS320F28335 DSP为控制电路核心，采用规则采样法和DSP片内ePWM模块功能实现SPWM波。最大功率点跟踪（MPPT）采用了恒压跟踪法（CVT法）来实现，并用软件锁相环进行系统的同频、同相控制，控制灵活简单。采用DSP片内12位A/D对各模拟信号进行采集检测，简化了系统设计和成本。本装置具有良好的数字显示功能，采用CPLD自行设计驱动的4.3’’彩色液晶TFT LCD非常直观地完成了输出信号波形、频谱特性的在线实时显示，以及输入电压、电流、功率，输出电压、电流、功率，效率，频率，相位差，失真度参数的正确显示。本装置具有开机自检、输入电压欠压及输出过流保护，在过流、欠压故障排除后能自动恢复。-This device single-phase bridge type DC-AC inverter circuit structure, TI company of floating in digital signal controller TMS320F28335 DSP as the control circuit, the core rules sampling method and DSP piece ePWM module function realization within SPWM wave. The maximum power point tracking (MPPT) used the constant pressure tracking method (CVT method) to realize the software, and phase lock loop to carry on the system the same frequency, phase control, control with flexible simple. By using DSP piece of 12 within the A/D of each simulation signal acquisition detection, simplified system design and cost. This device has a good digital display function, use CPLD to design the driver 4.3 " TFT LCD color LCD very intuitive to finish the output signal waveform and spectrum characteristics of online real-time display, and the input voltage, current, power, the output voltage, current, power, efficiency, frequency, phase difference, the distortion degree of parameters display properly. Thi Platform: |
Size: 5020672 |
Author:徐徐 |
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Description: 对灰度差绝对平均值算法匹配次数多，不具有旋转不变性等缺点，提出一种新的目标识别方法。匹配准则采用具
有环形结构的子窗口内的像素差加毂和的形式表示，保证了算法具有旋转不变性。对模板图像中的特征点按照匹配准则分
别在目标图像中找到相应的匹配点，从而完成匹配操作，与传统的相关匹配算法相比，大大减少了匹配次数。对于因遮挡而
丢失的特征点，可根据已匹配特征点之问的相对距离来重新确定，从而实现目标识别的功能。仿真实验验证了该算法的有
效性。-A new target recognition method was proposed to improve the rotation invariancc and reduce the
matching frequency for nu“mum absolute difference．The rrIatching furlction was the weighted sumof pIx—
els difference in sub—windows． The subwindaws were ring-shaped，which made the algorithm have the
property of rotation invariance． Feature points matching between trac ki“g window and template could be
completed according to the matching functiom(bmpare to conventional algorithm，the matching frequency
is reduced The Iost feature points in tracking window could be determined according to the positions of
the feature points nlatched．Simulation results prove the validity of the method． Platform: |
Size: 191488 |
Author:chen |
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Description: 多个信号的混频仿真程序，目的是应用于宽带雷达在多个目标存在的情况下，如何显示多个目标在时域和频域的状态跟踪。-Multiple signal mixer simulation program, used in wideband radar in the presence of multiple targets, and how to display multiple target tracking in the time domain and frequency domain state. Platform: |
Size: 6144 |
Author:周严 |
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Description: 频率同步是宽带OFDM系统中的关键技术，IEEE 802.11a 采用OFDM技术，利用其前导序列的重复结构，提出了一种分步的粗细频偏捕获与校正算法，同时为了补偿时域同步后的残余相差和适应信道的时变特性，还提出了一种基于频域导频的相位跟踪方案-Frequency synchronization is a key technology in the broadband OFDM systems, IEEE 802.11a uses OFDM technology, the use of the repetitive structure of the leader sequence, the thickness of a step frequency offset capture and correction algorithm, when the order to compensate at the same time domain synchronous residualthe difference between and adapt to the time-varying characteristics of the channel is also proposed based on frequency domain pilot phase tracking scheme Platform: |
Size: 858112 |
Author:Chaos |
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Description: 用c#方法描述了话题识别（话题跟踪与检测）的过程，主要是提取特征词、特征词词频计算、权重计算（tfidf方法），进行相似度计算，最后聚类-C# method describes the process of topic identification (topic tracking and detection), the word feature extraction, feature words word frequency calculation, weight to calculate methods (tfidf), similarity calculation, the final clustering Platform: |
Size: 3072 |
Author:dai |
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Description: 本书介绍了部分关键算法的VLSI有效实现结构。全书共8章,包括伪噪声序列基本理论、数字锁相环的基本原理、数字下变频器的算法设计、直接数字频率合成器的基本理论和基于有限域的数字压控振荡器、数字抑制载波跟踪环的算法设计、伪噪声序列的快速捕获算法、数字延迟跟踪环的算法设计,以及它们的VLSI结构等内容.-This book presents some of the key algorithm for VLSI effective realization of the structure. The book is Chapter 8, including the basic principles of the basic theory of pseudo-noise sequence, the digital phase-locked loop, the algorithm design of the digital down converter, the basic theory of direct digital frequency synthesizer based on the finite field of digital voltage-controlled oscillator, digital suppressed carrier tracking loop of the algorithm design, rapid acquisition of pseudo-noise sequence algorithm, digital delay in the tracking loop of the algorithm design, and VLSI architecture. Platform: |
Size: 5265408 |
Author: |
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Description: 雷达系统中的应用，高重频随机跳频跟踪雷达及其抗干扰性能-Applications in radar systems, high-repetition-random frequency hopping of the tracking radar and anti-jamming performance Platform: |
Size: 651264 |
Author:wj |
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Description: 视频监控系统目标捕获和跟踪常用算法主要有时域和频域两种跟踪算法。根据视频监控的实时性、可靠性、跟踪定位准确等特点，对时域跟踪算法中相关模板匹配算法进行研究，同时对算法进行了优化，并给出相应的仿真结果。-The video surveillance system target acquisition and tracking algorithms commonly used mainly tracking algorithm sometimes both time and frequency domains. Based on real-time video monitoring, reliability, and accurate tracking and positioning, the template matching algorithm in the time domain tracking algorithm, the optimization algorithm, and the corresponding simulation results. Platform: |
Size: 392192 |
Author:yaomeng |
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Description: 本文介绍了一种控制对象以中小型UPS为模型的、基于TMS320F240的数字化控制平台的样机实验系统。经对比系统采用了单极性调制的SPWM方式，并根据核心处理芯片的各类资源给出了一套具体的软硬件数字化实现方案。系统硬件部分主要包括输出电压、输出电流、市电频率/相位等各类信号的采集和处理，以及输出PWM信号的隔离、驱动等。系统软件部分则包括UPS各种系统功能的实现，其中主要研究了软件锁相环(市电跟踪)、有效值调节、各类保护、PWM波的生成、闭环控制等的实现。-This article describes a control object model for small to medium-sized UPS prototype experimental system based on TMS320F240 digital control platform. By comparison system unipolar modulation the SPWM way, given a specific set of hardware and software digitize all types of resources and the core processing chip implementations. The system hardware mainly includes the output voltage, output current, mains frequency/phase and other types of signal acquisition and processing, and the output of the PWM signal isolation, drive. System software part includes the realization of the UPS a variety of system functions, the main research a software PLL (Mains tracking), valid value adjustment, the realization of all kinds of protection, PWM wave generation, closed-loop control. Platform: |
Size: 2668544 |
Author: |
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Description: 光伏逆变器双闭环控制 电流环相位频率的跟踪
电压的前馈补偿-PV inverter dual closed-loop control of the frequency of the current loop phase tracking voltage feedforward compensation Platform: |
Size: 11264 |
Author:黄鹏程 |
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Description: 超紧耦合是 GPS/INS 组合导航系统的最新研究方向，它采用 INS 测得的载体动态信息辅助 GPS 接收机跟踪环
路，消除卫星信号中由于载体与卫星之间相对运动所产生的频率偏移，提高接收机在高动态环境下载波跟踪性能，同时还
可以压缩带宽，有效增强接收机抗干扰性能。介绍 GPS/INS 超紧耦合技术，给出 INS 辅助 GPS 载波跟踪环路结构图和相应
的数学模型，分析 INS 辅助 GPS 跟踪环路在动态环境下的动态残留及其对环路相位误差的影响，并进行了模型仿真，最后
对仿真结果进行了验证分析。仿真结果显示，辅助动态残留及其导致的环路相位误差的大小与加加速度、环路辅助时间间
隔成正比。
-The ultra-tightly coupled GPS/INS integrated navigation system latest research direction, it adopted the INS measured the carrier dynamic information auxiliary GPS receiver tracking loop to eliminate the satellite signal frequency due to the relative motion between the carrier and the satellite offset improve the receiver in high dynamic environment download wave tracking performance, but also can compress bandwidth, effectively enhance the anti-jamming performance of the receiver. Introduced GPS/INS ultra-tight coupling technology gives INS assisted GPS carrier tracking loop diagram and the corresponding mathematical model to analyze the impact of the INS assisted GPS tracking loop dynamic residues in a dynamic environment and the loop phase error, and model simulation, and analysis of simulation results verified. Simulation results show that the the residual secondary dynamic its resulting size of the error loop phase and jerk loop secondary is proportional to the time interval. Platform: |
Size: 197632 |
Author:LeeYJ |
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Description: 基于凸极追踪的思想，讨论了两种高频信号注入法——旋转高频电压信号注入法和脉动高频电压信号注入法在永磁同步电机无位置/速度传感器运行控制中的应用。分别介绍了两种高频信号注入法的转子位置自检测原理，指出了两种方法实现中的技术关键，并应用这两种位置自检测方法建立了永磁同步电机无传感器矢量控制系统的仿真模型，进行了仿真比较。对比结果表明，采用脉动高频电压信号注入的凸极跟踪系统结构简单，静、动态调速性能较好；但采用旋转高频电压信号注入法的系统更易于实现。-Based on the idea of salient pole tracking, the two high-frequency signal injection method- rotating high-frequency voltage signal injection method and pulsating high frequency voltage signal injection method in the operation control of permanent magnet synchronous motor position/speed sensor. Introduced the rotor position of the two high-frequency signal injection method since the detection principle, pointed out that the key technology in two ways, and the application of these two positions since the detection methods to establish a permanent magnet synchronous motor sensorless vector control system simulation model for the simulation comparison. The comparison results show that the pulse of high-frequency voltage signal injection Salient tracking system is simple, static, dynamic speed performance However, the system of rotating high-frequency voltage signal injection method is easier to implement. Platform: |
Size: 336896 |
Author:林弯弯 |
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Description: Radio-frequency identification (RFID) is the use of a wireless non-contact system that uses radio-frequency electromagnetic fields to transfer data from a tag attached to an object, for the purposes of automatic identification and tracking Platform: |
Size: 100352 |
Author:adek |
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Description: LPC2292采用PHILIPS LPC2292微处理器，可实现高达60MHz工作频率,片内晶体振荡器和片内PLL。LPC2292是一款基于16/32位ARM7TDMI-S，并支持实时仿真和跟踪的CPU，并带有256 k字节(kB)嵌入的高速Flash存储器-LPC2292 PHILIPS LPC2292 microprocessor, can achieve up to 60MHz operating frequency, on-chip crystal oscillator and the on-chip PLL. LPC2292 is a 16/32 bit ARM7TDMI-S-based support for real-time simulation and tracking CPU with 256 k bytes (kB) embedded high-speed Flash memory Platform: |
Size: 1385472 |
Author:liuming |
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Search - frequency tracking