analog approach 中文意思是什麼
analog approach
解釋
模擬法-
An alternate approach is to set up an analog model of the engine system.
另一種方法是建立發動機系統的模擬模型。 -
This paper presents a approach of module level fault diagnosis for large - scale tolerance analog circuit based on the neural network and the crossover tearing technology according to conventional circuit decomposition technology in large - scale circuits
本文在傳統的大規模電路的撕裂演算法的基礎上，提出了基於神經網路和交叉撕裂法的大規模容差模擬電路診斷方法。 -
Neuralnetwork approach to analog circuit fault diagnosis
模擬電路故障診斷的神經網路方法 -
Presents the development of modern signal processing techniques, a new implementation method which realizes quadrature coherent detection by direct sampling of if signal generated during the implementation of traditional quadrature coherent detection with analog elements in the form of two parallel baseband channels where in phase ( i ) and quadrature ( q ) components of ceived if singnal where, the imperfect matching of the separate channels due to the analog elements results in high phase and amplitude which meets the needs for high performance radar signal processing, the elementary principles and the implementation process for each method and concludes from simulation results to compare their features and application conditions that the new approach can satisfy of the requirements of high performance sp
針對近年來提出的通過直接中頻采樣來實現正交相干檢波的方法，分析了其基本實現原理，並用統一的觀點解釋了迄今為止國內外基於此提出的各種實現方法；對每一實現方法的基本原理和實現過程都作了分析，並給出了計算機模擬結果；在此基礎上比較了各方法的性能指標及適應條件.理論分析和模擬結果證明，這一方法完全可以滿足高性能信號處理的要求 -
In the paper, based on the existing literature research foundation an analog circuit catastrophic fault location approach by using feedforward networks with back ? propagation learning is realized. by this approach, the simulation require ments before test are reduced because fewer training samples are needed, and the fault location process is fast. this method is very efficient in location of single hard fault wit component tolerances. the measureme nt space feature and the general characterization concept of single and double soft fault in linear circuits are presented. according to this concept, a linear circuits soft fault location approach using subhidden layer bpnn is established with element tolerance, and it is shown that this approach is successful in fault location. a double fault feature extraction.,
本文在現有文獻理論研究的基礎上實現了採用bp演算法前向多層神經網路對直流測試下模擬電路硬故障的診斷方法。其特點是採用少量典型特徵樣本作為bp網路的訓練樣本，獲得訓練樣本的代價小，減少了測前工作量，同時診斷速度快，在考慮元件容差時仍有好的診斷效果。文中介紹了線性電路單一軟故障和雙軟故障所具有的電壓增量空間特性和統一特徵概念。 -
The fault diagnosis of the analog circuits is an advanced synthesis intercrossed subj ect, which is an application technology absorbing the new theory, technology and method in other subjects and fields. in the past 40 years, it has developed a great deal of theory and approaches. but the approaches are limited to deal with fault diagnosis because of the variety and complexity of the analog circuits, especially the large - scale analog circuits with the tolerance or the soft fault. artificial neural networks ( ann ) which have been one of the most active research areas recently can be contributed to solve problems in various practical fields. in this paper, analog circuit fault diagnosis approach based on pattern recognition, and ann is expatiated
模擬電路故障診斷是一門不斷發展中的綜合交叉性學科，是在不斷吸收其它學科和領域的新理論、新技術和新方法的基礎上向前發展的一門應用技術。雖然經過了四十多年的發展，也已經形成了一系列的診斷理論和方法，但由於模擬電路特別是有容差的大規模模擬電路故障的多樣性和復雜性，使得可用於診斷容差模擬電路的故障和大規模模擬電路軟故障的方法還十分有限。人工神經網路理論近年來取得了快速發展，已開始在各個研究領域廣泛應用。 -
Compared with the similar research results, the weighted control ic here has the following characteristics : ( 1 ) the circuit structure is simpler ; ( 2 ) the chip ' s fabrication is compatible with standard cmos process ; ( 3 ) n - mosfets with high w / l ratio and short channels are used for weighting and output to reduce the insertion loss ; ( 4 ) the weighting factor varies in a relatively wide range with the controlling signals ; ( 5 ) input and output impedance approach 50 in low frequency ( e. g. 50mhz ), while in higher frequency they slightly deviate from 50, hence the energy reflection lower than 0. 1 ; ( 6 ) it completes the functions of sampling, weighting, controlling and summing of high frequency analog signals
它的加權控制電路與已報道的相關電路相比具有如下特點：電路結構簡單；製造工藝與普通cmos工藝兼容：短溝道，高寬長比的nmos晶體管具有低的通導電阻，將其作為加權、輸出器件可降低由電路引起的插入損耗；改變加權信號，可實現權值在較大范圍內的連續變化；輸入、輸出阻抗在低頻（如50mhz ）下接近50 ，而在高頻下略有偏離50 ，但反射系數均低於0 . 1 ；實現了對高頻信號的取樣、加權、控制、疊加功能的迭加。 -
Since this type of converter has little requirement for the digital parts and its digital structure is relative simple, the whole design approach of the converter is the same with the design flow of the analog circuit that is to draw schematics and layout manually, edit the drc lvs files to verify the layout and check its performance by means of post - simulation
由於本設計對數字電路部分的性能要求較寬松，而且電路結構相對簡單，所以採用和模擬電路設計一致的設計方法，即：使用原理圖輸入設計，全定製編輯版圖，對版圖進行drc ， lvs以及后模擬驗證。使用的是cadence中的一系列cad工具。 -
2. to dissert how to realize detecting sonar system on hardware. include hardware realization approach of analog signal pretreatment, digital signal processing, transmitter, receiving converter and system power supply
論述如何在硬體上實現探測聲納系統，包括模擬信號預處理機，數字信號處理機的實現，發射機，接收轉換以及系統的電源設計都給出了具體的硬體實現方案。
分享友人