circuit density 中文意思是什麼
circuit density
解釋
電路裝配密度-
At a definite temperature a mesoscopic circuit isnt in a determinate quantum state instead of in the mixed state ( or statistical state ). using the density matrix of the canonical ensemble, we have deduced the formulate of the quantum fluctuations of both charge and current in a non - dissipative mesoscopic coupled circuit. and the dependences of the quantum fluctuation of the circuit on its temperature have obtained
在有限溫度下，介觀電路系統實際上並不處在一個確定的量子狀態，而是處在混合態.根據正則系綜的密度矩陣導出耦合互感電路中電荷和電流的量子漲落，得到了量子漲落與溫度的依賴關系 -
Abstract : based on the analysis of the mathematics models of saturation steam density and superheat steam density the paper states that the deviation of the detection on temperature highly affects the accuracy of intelligent flow totalizer. especially for saturation steam ， the accuracy of the temperature detection circuit shall be designed higher than the accuracy of the instrument. thus a temperature detection circuit based on ratio method with high accuracy is introduced
文摘:在分析飽和蒸汽和過熱蒸汽密度的數學模型的基礎上指出，溫度檢測的偏差對智能流量積算儀的精度影響極大，尤其是飽和蒸汽，測溫電路的精度應設計為遠高於儀表的精度，同時引入一種基於比率法的高精度測溫電路。 -
By comparing and analyzing the advantages and disadvantages of three kinds of voltage reference circuits, type of current density ratio compensation 、 weak inversion type and type of poly gate work function, a cascode structure of type of current density ratio compensation is chosen to form the core of voltage reference circuit designed in this paper. applying the negative feedback technology, an output buffer and multiply by - 2 - circuits are designed, which improve the current driving capability
然後通過比較和分析電流密度比補償型、弱反型工作型和多晶硅柵功函數差型三種帶隙電壓基準源電路結構的優缺點，確定了電流密度比補償型共源共柵結構作為本設計核心電路結構，運用負反饋技術設計了基準輸出緩沖電路、輸出電壓倍乘電路，改善了核心電路的帶負載能力和電流驅動能力。 -
First, based on the analysis of the design method of two - valued shift counter, we use the multivaled circuit ' s property of high information density to put forward the design method of three - valued shift counter. by using this method module - n three - valued shift counter can be designed. and by selecting the best design method, the simplest circuit of control logic can be made
首先，在分析二值的移位計數器的設計方法的基礎上，利用多值電路的高信息密度，提出了三值移位計數器的設計，運用該方法可以設計任意狀態的三值移位計數器，並且通過選擇最佳設計方案使控制邏輯電路最簡。 -
Based on the theoretical studies, a band - pass filter circuit is optimized in order to decrease current density and increase the electromigration lifetime
在理論研究基礎之上，藉助于計算機輔助設計，針對一個帶通濾波器電路進行了電路優化，以提高其電遷移壽命。 -
This paper presents the upgrade and modification design of the sl - 3000 model digital - controlled logging system, which consists of two important modules - communication control module and acoustic wave vdl ( variable density logging ) module. the working principle of these two modules, hardware architecture, circuit design and the implementation of the pci interface are also expatiated
本文介紹了sl - 3000型數控測井系統中兩個重要的模塊? ?通信控制模塊和聲波vdl模塊的升級改造設計，具體闡述了這兩個模塊的工作原理、硬體構成、電路設計以及pci介面的實現。 -
These converters exploiting the enhanced speed and circuit density of modern vlsi technologies, have been widely used for high resolution a / d conversion
這類模/數轉換器可充分利用現代vlsi的高速、高集成度的優點，已成為實現高精度模/數轉換的主要技術。 -
In deep sub - micron technology, the scale of integration and the degree of complexity of circuit increase rapidly, it is necessary and feasible to adopt non - manhattan model for detailed routing in vlsi physical design. aiming at the current pop point a novel non - manhattan otc router is proposed in section 4. according to the routing algorithm of channel area the new otc router selects nets on cell by using net segment valid controlling column technology, deep searching to column density technology and utilization of vacant terminals technology
結合通道區域所用非曼哈頓布線演算法的特點，通過採用線網段有效控制列技術、列密度深度探測技術及空端利用技術對單元區可布線網進行有效選擇，成功地實現了該非曼哈頓單元上布線演算法，並將其應用於一些經典的benchmark中，和目前文獻中現有演算法相比取得了更優的布線結果。 -
A modified definition of polarization resistance calculated from the equivalent circuit of eis make its value dependent on the grain size. in anodic polarization test ( sweeing and stair - steps ), the maximum ( critical ) current density increases while the passivation potential and breakdown potential lowers with the reduction of the grain size. fegsem images showed the grain growth and pitting corrosion of the nc copper surface, uniform corrosion in the mc copper surface and the broken passivation layer in both surfaces
在陽極極化實驗（包括掃描法和臺階法）中，致鈍電流雖晶粒尺寸減小而增大，而致鈍電位和擊穿電位都隨著晶粒細化而降低。 fegsem照片發現了納米晶銅的晶粒長大和孔蝕，微米晶銅表面的均勻腐蝕，和兩種銅表面破碎的鈍化膜。 -
Based on the analysis of the magnetic circuit, the computation expressions of the magnetic force, magnetic flux density and inductance are derived
在磁路分析的基礎上，推導了磁力、磁通密度和電感的計算公式。 -
In relation to an integrated circuit ; a term that indicates small element size and high packing density
集成電路技術中的一種修飾術語，表示元件體積小而且封裝密度高。 -
The accelerometer which has simple fabricated process and high sensitivity and small parasitic capacitance and residual stress is hybrid integrated with the interface circuit using ic nude chip. so the density of the package is increased, and the noise of the sensing system is decreased. these found the base of capacitive accelerometer module using the mcm method
該傳感器製作工藝簡單，靈敏度高，支撐梁採用u型，減小了刻蝕后的殘余應力，用玻璃作為襯底，減小了襯底和硅可動質量塊間的寄生電容，且把傳感器晶元和用ic裸片製作的介面電路集成在一起，提高了封裝密度，減小了傳感器系統的噪聲，為採用mcm技術製作電容式加速度傳感器模塊打下了基礎。 -
More and more high - switch - rate and high - pin - density devices have been applied to the digital system along with the fast development of manufacture technics of integrate circuit ( up to 65nm ), while the supply voltage of electronic system shows itself a fallen trend ( from 5v to 1. 2v ), signal integrity ( si ), power integrity ( pi ) and electromagnetic compatibility ( emc ) problems have become increasingly serious
具體體現到高速pcb板級設計上，則為信號完整性（ signalintegrity ，簡稱si ） 、電源完整性（ powerintegrity ，簡稱pi ）和電磁兼容性（ electromagneticcompatibility ，簡稱emc ）問題的影響已經達到了不可忽略的地步，經常會出現邏輯功能正確的數字系統不能在物理結構上實現。 -
Thick film technology is applied in complex dense electronic assemblies and makes it possible that reduces room occupied and increases mount density in printed circuit board
採用這樣的封裝能夠大大減少佔用線路板的空間，進一步提高電路板的組裝密度，從而 -
With the development of modern permanent magnet ( pm ) machine to high speed, high efficiency, high power density and micromation, the limitation of traditional rare earth pm machine is exhibited, such as higher ripple - free torque, higher losses, lower open - circuit magnetic field, etc. halbach motor, a new type permanent magnet motor, first proposed by american scholar klause halbach, has been studied very widely. halbach motor has higher magnetic field, usually as 1. 4 times as that of traditional rare earth permanent magnet machine, which attributes to higher power density
Halbach永磁電機是由美國學者klausehalbach提出后一直被廣泛研究的一種新型永磁電機，和普通永磁電機相比其優越性有：氣隙磁密比一般永磁電機可增大40 ，從而可有效提高電機的功率密度；固有的正弦分佈磁場，可為電機設計和加工帶來便利，降低成本；自屏蔽效應，轉子可不再需要為磁路提供閉合迴路，這為轉子的選材提供了較大的空間。 -
With the development of microelectronic products ( integrated circuit, printed circuit board, etc ) directing to high density, thin separation and low defect ratio, its inspection requirement is higher on aspects of precision, efficiency, universal, and intelligence etc. therefore, this paper researched on the general key techniques in the field of microelectronic products vision inspection, covered the shortage of traditional inspection on aspects of fast and precision locating, image mosaic, and fine defect test, completed theory study on physical dimension and defect inspection of microelectronic products based on machine vision, developed the prototype and used lots of experiments to prove its correctness and feasibility
隨著微電子產品（集成電路晶元、印刷電路板等）向著高密度、細間距和低缺陷方向發展，對其檢測技術在精密、高效、通用和智能化等方面提出了更高要求。由此，本文對微電子產品視覺檢測中的關鍵技術進行研究，彌補了傳統檢測在精確快速定位、圖像全景組合和精細缺陷檢測等方面的不足，最終完成基於機器視覺的微電子產品外形尺寸和缺陷檢測的理論研究和樣機研製，並進行了大量實驗證明其正確性和可行性，力圖為我國自主創新的微電子產品視覺檢測技術提供理論和實際借鑒。 -
Comparing with conventional nyquist converters, - converters greatly release the requirements for high performance of analog circuit and precisely matched components. additionally, these converters exploit the enhanced speed, circuit density and low cost of modern vlsi technologies. currentlly, - adcs have been widely used for audio a / d conversion
- adc採用過采樣噪聲整形技術實現高精度模數轉換，和傳統的nyquist率模數轉換器相比，避免了對模擬電路性能指標和元器件匹配精度的較高要求，並可充分利用現代vlsi的高速、高集成度、低成本的優點，已成為音頻模數轉換的主要技術。 -
Coplanar waveguides ( cpw ' s ) offer several advantages over conventional microstrips, these include the simplification of the circuit fabrication process, ease of parallel and series insertion of both active and passive components ( without the need for via holes ), and high circuit density. therefore cpw ' s are widely used in microwave and millimeter - wave integrated circuits, optical and high temperature superconductor microwave devices
與常規的微帶傳輸線相比，共面波導具有容易製作，容易實現無源、有源器件在微波電路中的串聯和並聯（不需要在基片上穿孔） ，容易提高電路密度等優點，因此共面波導被廣泛應用於微波、毫米波、光學和高溫超導等集成電路中。 -
Bult - in self - test is considered to be the most hopeful technology to solve the great cost and difficulty of manufacturing test because of the increasing of the circuit density
內建自測試（ buit - in - self - test ， bist ）技術被認為是解決由於電路集成度越來越大所造成的測試費用巨大和測試訪問困難等問題的最有希望的技術。 -
The information revolution and coming period of ulsi silicon chip, which make the performance integration of chip unit continually increase, drive the demands for larger circuit density and greater performance
=信息革命及ulsi矽片時代的來臨，使單片功能集成度持續增長，驅動著對更大電路密度和更高性能的需求。
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