floating-point computer 中文意思是什麼
floating-point computer
解釋
浮點計算機-
As of the middle of 2001, the world s fastest computer can perform, on average, about five trillion floating point operations per second, or 5 teraflops. the machine that ranks 500th averages about 55 gigaflops
在2001年中期,世界上最快的計算機可以平均每秒執行5萬億次浮點運算,也就是5 teraflop ( teraflop每秒1萬億次浮點運算) 。 -
Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method
在本設計中,採用高速的dsp處理器,實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法,實現了大電流信號的驅動輸出;採用485總線技術,組建了裝置主機與多探測器之間的主從式通訊網路,實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路,採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術,實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元,設計了人機信息交互的介面;採用了模塊化的軟體設計方法,開發了裝置主機及探測器的軟體程序。 -
Based on the demonstration in the project target and the technologic support, the hilss is completely constructed, which is a tightly coupled multi - processor system composed of a standard personal computer, a high - performance single chip microprocessor system and a fast - running floating point dsp system. the debugging of the outside ecu will become easier by the friendly graphical user interface, and the high - speed signal transfer through all the parts. besides, the hilss can be expanded conveniently for its modular components
在這一系統中, pc上位機、單片機和dsp系統通過共享存儲器構成了一個緊密耦合的多處理器平臺,友好的圖形化用戶界面、高速的信息採集和控制響應、模塊化的系統功能構成為外部電控系統的調試創造了良好的開發環境,同時也為系統今後進一步的擴展奠定了扎實便利的基礎。 -
The research work of this thesis mainly includes : research of floating point algorithm, including addition, subtraction, multiplication, division, evolution and cordic ( coordinate rotation digital computer )
?對powerpc603e浮點處理單元( fpu )中採取演算法的進行選擇和驗證,主要包括:改進的booth演算法和goldschmidt演算法。
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