中国科技纵横
中國科技縱橫
중국과기종횡
CHINA SCIENCE & TECHNOLOGY PANORAMA MAGAZINE
2013年
8期
42-43
,共2页
标准化输出%无损压缩%LZW算法%FPGA
標準化輸齣%無損壓縮%LZW算法%FPGA
표준화수출%무손압축%LZW산법%FPGA
standard output%lossless compression%LZW algorithm%FPGA
不断增大的声波测井采集数据使得实时传输较为困难,根据声波测井仪器遥传系统的特点,本文提出了一种基于LZW的无损压缩算法的PFGA实现方案.利用移位存储器原理,重点设计了硬件压缩系统输出模块的标准化输出9/8转换模块及其控制时序,并在QUARTUS II平台上用EP2C5Q208C8N进行了时序仿真验证,结果表明:该输出设计是可行的,且具有较好的移植性和可扩展性.
不斷增大的聲波測井採集數據使得實時傳輸較為睏難,根據聲波測井儀器遙傳繫統的特點,本文提齣瞭一種基于LZW的無損壓縮算法的PFGA實現方案.利用移位存儲器原理,重點設計瞭硬件壓縮繫統輸齣模塊的標準化輸齣9/8轉換模塊及其控製時序,併在QUARTUS II平檯上用EP2C5Q208C8N進行瞭時序倣真驗證,結果錶明:該輸齣設計是可行的,且具有較好的移植性和可擴展性.
불단증대적성파측정채집수거사득실시전수교위곤난,근거성파측정의기요전계통적특점,본문제출료일충기우LZW적무손압축산법적PFGA실현방안.이용이위존저기원리,중점설계료경건압축계통수출모괴적표준화수출9/8전환모괴급기공제시서,병재QUARTUS II평태상용EP2C5Q208C8N진행료시서방진험증,결과표명:해수출설계시가행적,차구유교호적이식성화가확전성.
In order to solve the problem of real transmitting the continuously increasing acoustic logging information from the underground, this paper proposes a LZW-based loss-less compression hardware implement scheme using FPGA according to the characteristics of acoustic logging telemetry system, designs its 9bit to 8bit standard output hardware module of the compression system and a control timing sequence diagram. The simulations and verifications are performed in EP2C5Q208C8N on QUARTUS II platform, and show its feasibility with better translation and extension.
