logical adj. 1.邏輯的,邏輯上的;邏輯學(xué)上的。 2.合乎邏輯的。 3.邏輯上必然的。 logical constants 邏輯常詞[常項(xiàng)]。 logical necessity 邏輯的必然性。 a logical argument 條件分明的論證。 a logical process 合理的程序,合乎邏輯的[必然的]過(guò)程。 the logical result 必然的結(jié)果。 adv. -ly ,-ness n.
Software logical analyzer based on virtual device driver 基于虛擬設(shè)備驅(qū)動(dòng)程序的軟件邏輯分析儀
The virtual instrument there is a kind of logical analyzer often used in experiment measure 這里所開(kāi)發(fā)的虛擬儀器是用在數(shù)字電路實(shí)驗(yàn)測(cè)量中跟蹤時(shí)序的數(shù)字存儲(chǔ)示波器。
It will be a compositive field that related to the theory of logical analyzer , virtual instrument and the simulation of embedded system 它將是邏輯分析儀,虛擬儀器,嵌入式仿真等多種學(xué)科的交叉領(lǐng)域。
The thesis researches and designs a new virtual logical analyzer which can be used in the environment of simulation of embedded system to collect the signal 本論文的主要工作就是研究和設(shè)計(jì)一款可應(yīng)用于嵌入式仿真環(huán)境下的新型虛擬邏輯分析儀。
Also a test system is set up , and the work status of the system is controlled by single chip to download the data of initial registers and control registesr . and the logical analyzer is used to sampling the output signals 搭建了一個(gè)驗(yàn)證系統(tǒng),通過(guò)單片機(jī)來(lái)配置初始化寄存器和控制寄存器的值來(lái)控制系統(tǒng)的工作狀態(tài),用邏輯分析儀采集輸出的信號(hào)。
Because the collection of signal of traditional virtual logical analyzer is depended on the hardware , the simulation of embedded system has no hardware . it wil be impossible to get the signal that is provided by the simulation of embedded system 因?yàn)閭鹘y(tǒng)虛擬邏輯分析儀的信號(hào)采集仍然依靠硬件來(lái)完成的,而嵌入式仿真系統(tǒng)中沒(méi)有硬件,所以它無(wú)法采集到嵌入式仿真平臺(tái)中的“軟”信號(hào)。
The configure file is downloaded into the fpga chip according to the fpga design fl ow . also a test system is set up , and the work status of the system is controlled by single chip to download the data of initial registers and control registesr . and the logical analyzer is used to sampling the output signals 使用xillinx的fpgaxc2550pq208 ,經(jīng)過(guò)fpga的實(shí)現(xiàn)流程,把配置文件配置到xczs5opqzos ,搭建了一個(gè)驗(yàn)證系統(tǒng),通過(guò)單片機(jī)來(lái)對(duì)各控制寄存器寫(xiě)入控制字來(lái)控制系統(tǒng)的工作狀態(tài),用邏輯分析儀采集輸出的信號(hào)。
The thesis also introduces the virtual instrument ’ s concept , system architecture , etc . the development of virtual instrument ’ s application software is discussed in detail . it includes virtual instrument software architecture ( visa ) , and virtual instrument ’ s software platforms . the thesis discusses the principle and mechanism of work of the simulation of embedded system . by comparing with the principle of traditional logical analyzer , it draw a conclusion that the virtual logical analyzer will work in synchronous way when it is used for both logical state analyzer and logical time analyzer . the thesis 論文接著探討了嵌入式仿真平臺(tái)的原理和工作機(jī)制,通過(guò)與傳統(tǒng)邏輯分析儀原理的比較,得出了嵌入式仿真平臺(tái)下邏輯分析儀無(wú)論是做定時(shí)分析,還是做狀態(tài)分析都工作在同步方式下;并重點(diǎn)剖析了探頭原理,采樣定理和毛刺,數(shù)據(jù)的建立和保持時(shí)間等邏輯分析儀的重要技術(shù)指標(biāo),得出了虛擬環(huán)境對(duì)虛擬邏輯分析儀的功能和各項(xiàng)技術(shù)指標(biāo)的影響,還提出了流水線狀態(tài)表的思想和實(shí)現(xiàn)機(jī)制。
As an vxi equipment designed for testing complex data system , it wins through the shortcomings of traditional test method which uses signal generator to supply stimulus and utilizes logical analyzer to sample response data . it can achieve complicated cooperation between stimulus and response by sampling response data in the single period and then comparing it with the expectation data while imposing test stimulus on the test objective 它是為滿足復(fù)雜數(shù)字系統(tǒng)的測(cè)試需要而設(shè)計(jì)的vxi器件,克服了用數(shù)字信號(hào)發(fā)生器提供激勵(lì)并使用邏輯分析儀采集響應(yīng)數(shù)據(jù)這種傳統(tǒng)測(cè)試手段的不足,在激勵(lì)和響應(yīng)之間實(shí)現(xiàn)復(fù)雜的聯(lián)動(dòng)配合,將測(cè)試激勵(lì)施加于被測(cè)對(duì)象的同時(shí),在單周期內(nèi)采集響應(yīng)數(shù)據(jù)并與預(yù)期數(shù)據(jù)實(shí)時(shí)比較。
This technique is considered as the future trend of instrument technology . the virtual instrument is one of computer instrument systems and it is based on the hardware of computer . the function of virtual instrument is defined and designed by consumer . the virtual instrument is with virtual panel and the testing function is implemented by software . the traditional instrument implements data analyzing , data processing and data display by hardware circuit , but the virtual instrument implements those functions by computers . though the collection of signal is done by the actual probe , data collection board and the i / o of computer . the virtual logical analyzer is made by the technology of virtual instrument 所謂虛擬儀器,就是在以計(jì)算機(jī)為核心的硬件平臺(tái)上,其功能由用戶設(shè)計(jì)和定義,具有虛擬面板,其測(cè)試功能由測(cè)試軟件實(shí)現(xiàn)的一種計(jì)算機(jī)儀器系統(tǒng)。它將傳統(tǒng)儀器由硬件電路實(shí)現(xiàn)的數(shù)據(jù)分析、處理與顯示功能,改由功能強(qiáng)大的計(jì)算機(jī)來(lái)執(zhí)行,而信號(hào)的采集,仍然利用實(shí)際的探針,數(shù)據(jù)采集板和計(jì)算機(jī)i / o系統(tǒng)相結(jié)合的思想。虛擬邏輯分析儀就是按照虛擬儀器思想設(shè)計(jì)而成的。