two-pass design 中文意思是什麼
two-pass design
解釋
雙道結構-
Based on that and the actual request, the thesis focuses on two ways of frequency synthesis : phase - loop locked and phase - loop locked + direct digital synthesis. then it introduces the concepts of group - delay and all - pass network, analyzes the theory of equalizing the group - delay of filter by all - pass network, simulates the design and sums up a perfect designing and debugging precept
中頻群延遲的均衡通過全通網路來實現，文中給出了信號傳輸中群延遲的概念以及全通網路的概念，詳細分析了全通網路用作群延遲均衡器的設計原理，並對設計進行了計算機模擬，給出了滿足要求的設計方案。 -
According to the basic theory of iir filters, a scheme of hardware implementation is worked out combining with the fact that coefficients of numerator and denominator of transfer function are fixed and the structural feature of selected hdpld. from the clew of implementing a stratified ， modularized and parameterized design ， the thesis describes the hardware implementation of the iir filter with vhdl and schematic diagram design method. two examples that are iir notch filter and iir low - pass filter are given ， the stability of filters and the effects of quantification of coefficient are also analyzed
以iir數字濾波器的基本理論為依據，結合濾波器的傳遞函數分子、分母系數固定這一事實和選用的高密度可編程邏輯器件的特點，確定了iir數字濾波器的硬體實現方案；按照層次化、模塊化、參數化的設計思路，採用vhdl硬體描述語言和原理圖兩種設計技術進行了iir濾波器的硬體設計；本文給出了iir陷波濾波器和低通濾波器兩個設計實例，對設計的濾波器都進行了穩定性分析和系數量化影響分析；最終將完成的iir濾波器的硬體設計配置到晶元中，並在製作的實驗電路中進行了實際濾波效果測試。 -
To make the exact design of low - sensitivity switched - current high - pass filters be convenient, a new design methods using the novel bilinear feed - forward differentiator is proposed. at the end two examples about digitally programming fir filter and si - ota auto - tuning filter are given
介紹了數字可編程fir濾波器和si - ota自動調諧濾波器等新型開關電流濾波器，並分別給出設計實例和設計注意事項。 -
Most profilers use a two - pass design for this kind of analysis : first gather data, then analyze it
多數監測器使用兩趟式設計進行這類分析：首先收集數據，然後分析數據。 -
By the field investigation, the computer aided roll - pass design system of bar two strand slit rolling is provided with highly commonality
通過現場調研，本文所開發的棒材雙線切分軋制計算機輔助孔型設計系統具有較好的通用性。 -
Service unit network architecture ( suna ) is a kind of network architecture based on service unit. suna is different of hiberarchy, it is concise, extensible and can be easy to be realized. this paper states the virtual circuit architecture prototype host based on suna, expatiates on collectivity design, module patition, the function which all modules provide with and the services for user about prototype host based on suna. the prototype host provides user with two kinds of data flow service, one is dependable data flow service which uses predigested slip window mechanism to guarantee the dependence and sequence of data flow, the other is undependable data flow service. to transfer data in network must pass ui, network communication protocol and physics network. ui is the bridge between the user and network communication protocol
服務元網路體系結構是一種基於服務元的網路體系結構，不同於層次結構，具有簡潔、可擴展和易實現的特點。本文論述了基於服務元網路體系結構的虛電路結構的原型主機，詳細闡述了原型主機的總體設計、模塊劃分、各個模塊實現的功能以及為用戶提供的服務。原型主機為用戶提供兩種數據流服務，一種是可靠的數據流服務，採用滑動窗口機制來保證數據流的可靠性和有序性;一種是不可靠的數據流服務。 -
At the same time, the design of cascaded coupler with a given ratio distribution is proposed, which can lead to higher isolation by suppressing sidelobe. 2. according to theoretical analysis and numerical simulation, the interleaver can show flat - top and high isolation pass band characteristic when the two couplers " ratio is assigned to 15 percent
2 .對全光纖反射式奇偶交錯濾波器進行了理論分析和數值模擬，發現當兩個耦合器的分光比均為15時產生了平頂高隔離度的通帶頻響特性，做了相關實驗，結果與理論分析基本符合。
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