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Description: This paper investigates the design of joint frequency
offset and carrier phase estimation of a multi-frequency time division
multiple access (MF-TDMA) demodulator that is applied to
a digital video broadcasting—return channel system via satellite
(DVB-RCS). The proposed joint estimation algorithm is based on
the interpolation technique for two correlation values in the frequency
and phase domains. This simple interpolation technique
can significantly improve frequency and phase resolution capabilities
of the proposed technique without increasing the number of
the correlation values. In addition, the overall block diagram of a
digital communications receiver for DVB-RCS is presented, which
was designed using the proposed estimation algorithms.
Index Terms—Carrier phase estimation, DVB-RCS, frequency
offset estimation, interpolation, joint estimation, MF-TDMA.
Platform: |
Size: 501216 |
Author: 吴大亨 |
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Description: This paper investigates the design of joint frequency
offset and carrier phase estimation of a multi-frequency time division
multiple access (MF-TDMA) demodulator that is applied to
a digital video broadcasting—return channel system via satellite
(DVB-RCS). The proposed joint estimation algorithm is based on
the interpolation technique for two correlation values in the frequency
and phase domains. This simple interpolation technique
can significantly improve frequency and phase resolution capabilities
of the proposed technique without increasing the number of
the correlation values. In addition, the overall block diagram of a
digital communications receiver for DVB-RCS is presented, which
was designed using the proposed estimation algorithms.
Index Terms—Carrier phase estimation, DVB-RCS, frequency
offset estimation, interpolation, joint estimation, MF-TDMA.-This paper investigates the design of joint frequencyoffset and carrier phase estimation of a multi-frequency time divisionmultiple access (MF-TDMA) demodulator that is applied toa digital video broadcasting-return channel system via satellite (DVB-RCS). The proposed joint estimation algorithm is based onthe interpolation technique for two correlation values in the frequencyand phase domains. This simple interpolation techniquecan significantly improve frequency and phase resolution capabilitiesof the proposed technique without increasing the number ofthe correlation values. In addition, the overall block diagram of adigital communications receiver for DVB-RCS is presented, whichwas designed using the proposed estimation algorithms.Index Terms-Carrier phase estimation, DVB-RCS, frequencyoffset estimation, interpolation, joint estimation, MF-TDMA.
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Size: 500736 |
Author: 吴大亨 |
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Description: MFC+access的通讯录系统。 (1) 查看功能:选择此功能时列出下列三类功能. A办公类 B个人类 C商务类 当选中某类时,显示出此类所有数据中的姓名和电话号码 (2)增加功能：能录入新数据，一个结点包括：姓名，电话号码，分类（办公类，个人类，商务类）， 电子邮件， (3)修改功能：选中某个人的姓名时，可对此人的相应数据进行修改。 (4)删除功能：选中某个人的姓名时，可对此人的相对数据进行删除并自动调整后续条目的编号，-MFC+ Access the address book system. (1) View Features: Select this function are listed in the following three features. A personal office category B category C category was elected in certain types of business when all of the data shows that this kind of name and telephone number (2) increase in function: able to input new data, a node include: name, phone number, classification (office type, personal type, business category), e-mail, (3) modify functions: to select a person s name when that person s corresponding modify data. (4) Delete function: to select a person s name can be relative to this person to delete the data and automatically adjusts the number of follow-up entry,
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Size: 4709376 |
Author: 艾未未 |
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Description: 基于51单片机的门禁卡系统源码，
硬件：
MCU STC89C52
射频芯片：MFRC500
TAG：MF S50卡
完成了读卡，写卡，加密功能，可用于门禁系统，餐饮收费系统。
-51 MCU-based access control card system source code, hardware: MCU STC89C52 RF chip: MFRC500 TAG: MF S50 cards completed a reader, writing cards, encryption can be used for access control systems, catering charging system.
Platform: |
Size: 216064 |
Author: feilong |
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Description: YW-605系列射频卡读卡器是采用13.56M非接触射频技术设计而成的通用型读卡器，内嵌MF RC530、RC531和CL RC632等一些列原装芯片，读写性能稳定可靠。天线和主板一体化设计，使芯片的读写性能更出色的发挥出来。该系列读卡器采用USB/ RS232 等数据传输方式与计算机相连接，使计算机二次开发变得更为简单。
该系列读卡器支持ISO14443-A Mifare One S50, S70，ISO14443B和ISO15693及其兼容卡片。广泛应用于非接触智能水、电、气三表、交通一卡通读写器，桌面发卡器，门禁考勤读写卡器，汽车电子感应锁配套，办公/商场/洗浴中心储物箱的安全控制，各种防伪系统及生产过程控制，数据采集等。
值得参考-YW-605 series RF card reader is the use of non-contact radio frequency technology 13.56M design from the universal card reader, built-MF RC530, RC531 and CL RC632 chip and some original column, read and write performance is stable and reliable. Integration of the antenna and motherboard design, enabling the chip to read and write performance even better play. This series of readers use USB/RS232 and other data transmission and computer connected to the secondary development of the computer easier.
This series of Reader supports ISO14443-A Mifare One S50, S70, ISO14443B and ISO15693 and compatible cards. Widely used contactless smart water, electricity, gas and three tables, the transportation card reader, desktop card dispenser, card reader access control attendance, automotive electronic sensors lock facilities, office/store/storage bath safety control box various security systems and production
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Size: 336896 |
Author: coodor |
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Description: 经典的频谱共享的EI检索算法，运用动态频谱租用来提高频谱利用率。-Dynamic Spectrum Leasing (DSL) is a new
paradigm for efficient spectrum sharing in cognitive radio
networks that was recently proposed in [1]–[3]. Unlike in a
hierarchical dynamic spectrum access (DSA) network, DSL
allows active participation of both the primary and the secondary
users in the spectrum sharing process. In this paper we further
generalize the DSL game introduced in [2] by allowing for linear
multiuser detectors, in particular the matched filter (MF) and
linear minimum mean squared error (LMMSE) receivers, at the
secondary base stations. We establish the conditions so that the
DSL game has desired equilibrium properties. Performance of
the proposed system at the equilibrium is compared through
simulations
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Size: 183296 |
Author: 刘小洋 |
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Description: 项目的目的是练习高级Swing的组件的使用：
同时掌握java编译器与VM的工作机理
为了区别于MS的资源管理器，我们设计成初级Java练习者的java，class，mf文件等资源文件管理器
功能如下：
设置类路径。
设置扩展路径。
过滤显示*.java，*.class，*.mf，*.jar，*.war，*.ear，*.properties等文件。
能察看编辑保存*.java，*.mf，*.properties等文件。
能编译运行*.class，*.jar文件。
能察看jar，ear，war等文件信息。
本类中采用内部窗体。
使用Swing中的复杂组件：JTree、JTable、JTabledPane
使用反射技术反射已存在的class文件，并获取该文件中的字段、构造方法、方法等信息
读取文件的一些信息及内容-The purpose of the project is the use of the practice Advanced Swing Components: master java compiler and VM mechanism in order to distinguish it from the MS Explorer, we designed the primary Java practitioners java class, mf files and resources such as file management function as follows: set classpath. Set the expansion path. Filter display* java,* class,*. Mf, jar,*. War,*. Ear,*. Properties and other documents. Energy back to edit save java,* mf,*. Properties and other documents. Can compile and run the* class*. Jar file. Back jar, ear, war file information. This class uses an internal form. Complex components in Swing: the JTree, JTable, JTabledPane use reflective technology reflected existing class files, and access to fields, constructors, methods, and other information in the file to read the file and content
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Size: 219136 |
Author: 露 |
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