logic channels 中文意思是什麼
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A testbench program is edited to simulate the behavior of the fifo. after the software simulation is accomplished, a real hardware circuit is designed to multiplex two data channels ( 1553b data channel and 1394 data channel ) according to ccsds standard. during the experiment and hardware debugging, the output logic of the fpga is checked up
設計中，用vhdl語言對高速復接器進行行為級建模，為了驗證這個模型，首先使用軟體進行模擬，通過編寫testbench程序模擬fifo的動作特點，對程序輸入信號進行模擬，在軟體邏輯模擬取得預期結果后，繼續設計硬體電路，設計出的實際電路實現了將來自兩個不同速率的信源數據（ 1394總線數據和1553b總線數據）復接成一路符合ccsds協議的位流業務數據。 -
In marketing practice, the marketing managers often feel out of place about which kind of marketing channels should be constructed and how to manage marketing channels when product goes through the stages of product life cycle, obviously people in marketing practice focus on how to adjust channels extremely to adapt for the stages of product life cycle, in marketing theory, scholars also have strong interest in the research on the relationship between product life cycle and marketing channels, but, to our regrets, the research in the two domains is isolated and does n ' t find out the mechanism between product life cycle and the policies of marketing channels, so the conclusions of policies of marketing channels in the different stages of product life cycle are results of empiric, not of logic
但令人遺憾的是，兩個領域的研究是脫節的，在產品生命周期與渠道政策之間缺乏一種機制分析，從而必然導致對不同生命周期階段的渠道政策結論帶有經驗性質，而不是邏輯的結果。本文的目的正是為了解決這一問題，試圖找出分析產品生命周期與營銷渠道政策之間的邏輯過程，從而為不同的產品生命周期階段的營銷渠道政策找出一個選擇的原則和方法，讓消費者行為和競爭者行為在渠道選擇中獲得一個動態的均衡。在此基礎上，針對產品生命周期的不同階段提出一些一般性的渠道政策結論，以供實踐中的人們予以參考。 -
In view of their connotation, the three closely - related aspects are crucial to the two dimensions, i. e., networking the information channels, providing the society with more informative means and the networked logic thinking embedded deeply in both the network and information
從內涵上來講，網路社會二元維度具有三個緊密相聯的內容：信息通路的網路化、信息化以及深藏於二者之中的網路化邏輯。 -
In the paper, after taking into consideration the balance of real time control, reliability and device economy, the " three confirming two " multi - channels redundancy policy is issued, which resolves the problems of switching logic ecomplexity and controlling difficultly ; the imagine of the net excitation regulation system is taken the lead in isssuing in - country, by decentralizing the sample and control into the parts of the system, a kind of new all distributed excitation regulation sytem is constructed ; the mmi software of the excitation regulation system is compiled, which is inheritable
本文兼顧實時性、可靠性和經濟性，提出了三取二方式的多通道冗餘策略，解決了以往勵磁調節系統切換邏輯繁瑣復雜，不易於可靠控制的難題；在國內率先提出網路式勵磁調節系統的設想，將採集、控制等功能分散到各部件中完成，構建了一種新的全分散式的勵磁調節系統；編制出具有繼承性的勵磁調節系統人機界面軟體。 -
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。 -
Also designed and researched the synchronization scheme for channels, the data transmission scheme for channels, failure logic scheme for channels, the strategies of signals voting and monitoring, computer failure checking scheme about techniques of re dundant management
對冗餘管理所涉及的通道的同步技術、通道內及通道間的數據交換、信號的監控和表決、通道故障邏輯、計算機故障檢測及容錯處理等技術進行了討論研究。 -
The mixed - signal oscilloscopes, with 2 analog channels and 16 digital channels, uniquely combine the detailed signal analysis of a scope with the multichannel timing measurements of a logic analyzer
這些多功能示波器具2個示波器通道和16個邏輯定時通道，它們把示波器對信號的詳盡分析與邏輯分析儀的
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