The system was made of measure and control unit , can bus , processor unit 本系統由下位測控單元, can總線,上位處理機三部分組成。
The issue focusing on policy engine ' s application within network processor unit is analysed thoroughly 深入研究了協議引擎在網絡處理器總體結構中的應用問題。
Amex86 microprocessor is composed of integer processing unit , float - point processor unit ( math coprocessor ) and protect test unit Amex86系統由一個整數處理部件( cpu ) 、一個浮點處理部件(數學協處理器)和一個保護測試單元組成。
The late - model motor control chip - admc331 is adopted for the micro processor unit , and some are improved , including the measurement of the electric motor rotate speed , the motor and ipm protection and regenerative brake 并且對現存的電動車控制系統的轉速測量、電機及ipm的保護、限流及再生制動等幾個方面進行了改進。
The processor unit adopted powerful main product of microsoft vc + + 6 . 0 , because both windows operating platform and vc6 . 0 supported multi - thread mechanisms , it can analysize the different tasks at one time . thus it could reach the designing requirement 上位機在線分析軟件采用功能強大的微軟主流產品vc + + 6 . 0基于windows98操作系統進行開發,由于windows操作平臺和vc + + 6 . 0均支持多線程機制,所以能很好的同時分析各種不同性質的任務從而達到設計要求。
Then , chapter four describes the details of the implementation of video processing subsystem from processor unit , storage architecture unit , data i / o host - slave bus , data i / o interconnection unit four design aspects . in chapter five , host application programs and windows device driver design based on wdm are discussed 第四章從處理器單元設計、存儲結構單元設計、數據i o主從總線設計,數據i o互連總線設計和系統控制中心單元設計五個方面分析視頻處理子系統的詳細設計。
Measure and control unit adopted 16 - bit , high - speed a / d converter , it can guarantee the speed and precision of alternating sample . the part of communication adopted can bus to transmit the data , it was suitable for real - time control and can guarantee dependability . it adopted the can bus adapter of yan - hua company whose type was pcl - 841 to communicate with processor unit the processor unit adopted industrial pc , which can guarantee the system work well for a long time 其中下位裝置采用西門子公司的高性能十六位處理器c167cr - lm ,其內嵌can總線控制器便于通過can總線與上位機進行通訊,數據采集部分采用十六位高速a d轉換器從而保證了交流采樣的速度與精度,通訊部分采用可靠性高,適于現場實時控制的can總線來傳輸數據,與上位機接口采用研華公司的型號為pcl - 841的can總線適配器,為保證系統長時間可靠運行上位機采用工控機。
On the one hand it is important for the design of floating - point processor unit to optimize speed while algorithms of high - speed are introduced . for examples , two - path of high - speed floating - point addition , booth coding of floating - point multiplication . srt of floating - point division and square root , cordic of transcendental function and so on 一方面浮點處理部件設計重點在于速度的優化,所以采用優化的高速算法,如浮點加法的two - path 、浮點乘法的booth編碼、浮點除法和平方根的srt算法以及超越函數的cordic算法等。