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phase-lockedmloop

calculates Linear Feedback Shift Register(LFSR) mask and seed values for a specific phase shift.

calculates Linear Feedback Shift Register(LFSR) mask and seed values for a specific phase shift.

標簽： calculates Feedback Register specific

上傳時間： 2017-09-06

上傳用戶：fnhhs
Combined Processing of GPS, GLONASS, and SBAS Code Phase and Carrier Phase Measurements Lamb

Combined Processing of GPS, GLONASS, and SBAS Code Phase and Carrier Phase Measurements Lambert Wanninger, Stephan Wallstab-Freitag Geodetic Institute, Dresden University of Technology, Germany

標簽： Phase Measurements Processing and

上傳時間： 2014-01-15

上傳用戶：asasasas
本程序用于完成BPSK、QPSK、8PSK的調制仿真。并可任意擴展到MPSK和MQAM。程序分成三個部分：phase.m對基帶碼元序列進行脈沖成型

本程序用于完成BPSK、QPSK、8PSK的調制仿真。并可任意擴展到MPSK和MQAM。程序分成三個部分：phase.m對基帶碼元序列進行脈沖成型，可選矩形脈沖，升余弦脈沖和平方根升余弦脈沖； model.m 為主程序，完成各種信號的基帶星座圖映射、脈沖成型和調制； command.m給出一個簡單的頻譜顯示測試。

標簽： phase BPSK 8PSK QPSK

上傳時間： 2014-01-14

上傳用戶：yangbo69
Very good code for Phase locked Loop in matlab

Very good code for Phase locked Loop in matlab

標簽： locked matlab Phase Very

上傳時間： 2014-01-16

上傳用戶：zhuimenghuadie
another phase locked example for matlab

another phase locked example for matlab

標簽： another example locked matlab

上傳時間： 2017-09-15

上傳用戶：franktu
Phase Unwrapping 2D

Two 2D phase unwrapping approaches are included: 1. Phase quality guided path following method. 2. Goldstein's branch cut method. The algorithms are described in: D. C. Ghiglia and M. D. Pritt, Two-Dimensional Phase Unwrapping: Theory, Algorithms and Software. New York: Wiley-Interscience, 1998.

標簽： Unwrapping Phase 2D

上傳時間： 2016-04-30

上傳用戶：seanjsj
Digital Phase Locked Loop

This work titled A Digital Phase Locked Loop based Signal and Symbol Recovery System for Wireless Channel is intended to serve as a document covering funda- mental concepts and application details related to the design of digital phase locked loop (DPLL) and its importance in wireless communication. It documents some of the work done during the last few years covering rudimentary design issues, complex implementations, and fixing configuration for a range of wireless propa- gation conditions.

標簽： Digital Locked Phase Loop

上傳時間： 2020-05-27

上傳用戶：shancjb
Phase-Locked+Loops+for+Wireless+Communications

This book is intended for the graduate or advanced undergraduate engineer. The primary motivation for developing the text was to present a complete tutorial of phase-locked loops with a consistent notation. I believe this is critical for the practicing engineer who uses the text as a self-study guide.

標簽： Communications Phase-Locked Wireless Loops for

上傳時間： 2020-05-31

上傳用戶：shancjb
DRM023_3-Phase AC Designer Reference Manual

This reference design describes the design of a 3-phase AC induction vector control drive with position encoder coupled to the motor shaft. It is based on Motorola’s DSP56F805 dedicated motor control device. AC induction motors, which contain a cage, are very popular in variable speed drives. They are simple, rugged, inexpensive and available at all power ratings. Progress in the field of power electronics and microelectronics enables the application of induction motors for high-performance drives, where traditionally only DC motors were applied. Thanks to sophisticated control methods, AC induction drives offer the same control capabilities as high performance four-quadrant DC drives.

標簽： Reference Designer Manual Phase DRM 023 AC

上傳時間： 2020-06-10

上傳用戶：shancjb
基于FPGA的OQPSK調制解調器設計與實現.rar

偏移正交相移鍵控(OQPSK：Offset Quadrature Phase Shift Keying)調制技術是一種恒包絡調制技術，具有頻譜利用率高、頻譜特性好等特點，廣泛應用于衛星通信和移動通信領域。論文以某型偵收設備中OQPSK解調器的全數字化為研究背景，設計并實現了基于FPGA的全數字OQPSK調制解調器，其中調制器主要用于仿真未知信號，作為測試信號源。論文研究了全數字OQPSK調制解調的基本算法，包括成形濾波器、NCO模型、載波恢復、定時恢復等；完成了整個調制解調算法的MATLAB仿真。在此基礎上，采用VHDL硬件描述語言在Xilinx公司ISE7.1開發環境下設計并實現了各個算法模塊，并在硬件平臺上加以實現。通過實際現場測試，實現了對所偵收信號的正確解調。論文還實現了解調器的百兆以太網接口，使得系統可以方便地將解調數據發送給計算機進行后續處理。

標簽： OQPSK FPGA 調制

上傳時間： 2013-06-30

上傳用戶：Miyuki