sampling and analysis program 中文意思是什麼
sampling and analysis program
解釋
取樣分析程序-
It designed signal amplifying circuit, frequency tricking circuit, data sampling and keeping circuit. the choice of 12 bits high accuracy a / d integrated data sampling card made program simply, high flexible and expandable. and to each error which is likely to occur in high voltage capacity type equipment during the monitoring, analysis and judgement are given
在硬體電路實現上，注意選擇信號傳感器；合理設計了信號放大電路和濾波電路；設計了頻率跟蹤電路，數據采樣/保持電路；結合軟體控制選用了12位高精度的a / d轉換器，使軟體編程簡化且具有較高的靈和性和可擴展性。 -
There is a lack of analysis apparatus of magnet, the new system is only a opened loop control system, if we add the analysis part of the ion eletrostatic accelerator someday, all that we need to do is adding analog module hi plc and sampling control arithmetic hi the computer program. we will get a perfect closed loop control system
在目前缺乏磁分析儀的情況下，該系統雖然還只是開環控制系統，但是一旦加速器中束線分析部分到位，它只需增加模擬量輸出模塊和采樣控制演算法，就能形成完善的閉環控制系統。 -
Computer controlling software is also programmed, by which the software miss simulation and analysis are processed to discover possible disturbing factors and present practical resolutions. to fulfill the sampling need, a vxd interruption driver program is composed by utilizing vtoolsd software
在以往在線監測軟體的基礎上，編制了與數據採集卡配套的控製程序，並用vtoolsd軟體編寫了vxd虛擬設備驅動程序，實現了工控機中斷方式的數據傳送方式。 -
It may supply precise and timely information feedback and alarm display this monitor and control system was divided into two parts - software and hardware. hardware parts is responsible for sampling and transformation of data, the function of this part was completed by single computer, software part is responsible for analysis and transformation of data, this part was completed by software program
本測控系統分為軟、硬體兩個部分，其中硬體部分主要負責數據的採集和轉換，該部分由單片機來完成其功能，而軟體部分主要負責數據的傳輸和分析，該部分由軟體程序來完成其功能。 -
The vxibus c - size and i, q channels are employed in this module design, and the sampling rate in each channel reaches 500mhz. the memoty deep of the system is 2mb each channel and cpu is high - speed embedded cpu ( powerpc ). the timing and logic function are fulfilled by fpga. after the disscusion of signal adjusted, the detailed scheme of this module design have been showed. in this design, there is much logic function design, and it is very strict with the hardware language program. so the basic flow of hardware program design and several very important methods of high speed logic function design, which is described by vhdl, are introduced. also, expatiated the inner modules structure of fpga for forepart circuit, the keystone and difficulties of the design. the design of high - speed pcb is another difficuty of realizing high - speed data acquisition system, and it is very important. the timing simulating results of several pivotal modules are depicted. high - speed signal paths are terminated to match the characteristic impedance. the design undergoes integrity analysis and software simulation
在本模塊的設計中，有著大量的邏輯設計，對硬體語言程序的編寫要求比較高，因此，文中介紹了硬體程序設計的基本流程，以及幾種基於vhdl硬體語言設計在高速邏輯設計中非常重要的方法。同時闡述了本模塊設計的前端fpga的內部模塊結構，設計的重點、難點，並給出了重要模塊的時序模擬結果。高速pcb的設計也是目前實現高速數據採集系統的難點和重點，文中詳細的闡明了高速pcb設計中的注意點，以及作者在設計本模塊時的經驗和心得。
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