critical signal 中文意思是什麼
critical signal
解釋
臨界信號-
Quick and accurate acquest of signal is critical for the utility of an lpi radar
準確、快速的擴頻碼同步是編碼lpi雷達系統實用的前提。 -
This paper analyses the critical angle method that often use in focus detected. we receive two relations, the first relation between refractive index of the critical - angle prism and focus - error signal ; the second relation between numerical aperture of object lens and out - of - focus error signal
本文針對伺服系統中常用的調焦方法-臨界角方法進行了分析，理論上得到臨界角棱鏡的折射率、物鏡的數值孔徑與離焦誤差信號的關系。 -
By using signal sets and a signal mask, the critical region of code can be protected from a specific set of signals, as follows
通過使用信號設置和信號掩碼，代碼的關鍵區域可以被保護起來不受一組特定信號的影響，如下： -
This dissertation is chiefly act below work : ( 1 ) expatiating the equipments diagnosis technique development process and trend, putting forward the standpoint that giving systematical diagnosis to the mechanical and electrical equipment and expanding the technical application in equipment diagnosis, making it breakthrough the traditional application of maintaining etc. in equipments, still be used for improvement and development etc. s of new product ' s design ; ( 2 ) probing into vibration type and disposal method of vibration signal, the usual method of equipment condition recognition, the essential constitutes and development trend of observation and diagnosis system ; ( 3 ) introducing the development trend of domestic and international crusher and the distinguishing feature of double turnplate stike crusher which is a new product. according to the breakdown phenomenon in running process, establishing the fault tree and deducing every kind of foundation affairs resulting in fault ; ( 4 ) studying the calculation method of critical rotation speed
本文主要做了以下工作： （ 1 ）闡述了設備診斷技術的發展過程及發展趨勢，提出了應結合實際對機電設備進行系統診斷的新的技術思路，用實踐證明了應當拓寬設備診斷技術應用的范圍，使設備診斷技術既可以在設備管理和設備維修中得到應用，也可以用於新產品的設計改進及開發等； （ 2 ）探討了振動的類型及振動信號的處理方法，設備狀態識別常用的方法，監測與診斷系統的基本構成與發展趨勢； （ 3 ）介紹了國內外破碎機的發展趨勢，以及雙轉盤沖擊破碎機這一新產品的結構和特點，並根據試機過程中出現的故障，建立了故障樹，並導出了導致故障發生的各種基礎事件； （ 4 ）研究了臨界轉速的計算方法和原理，用傳遞矩陣法計算出了破碎機內轉盤的臨界轉速。 -
Two block time - recursive algorithms are developed for the efficient and fast computation of the 1 - d rdgt coefficients and for the fast reconstruction of the original signal from the coefficients in both the critical sampling case and the oversampling case. the two algorithms are implemented respectively by a unified parallel lattice structure. and the computational complexity analysis and comparison show that the proposed algorithms provide a more efficient and faster method for the computation of the discrete gabor transforms
首先論證了一維rdgt系數求解演算法和由變換系數重建原信號演算法，不論是在臨界抽樣條件下還是在過抽樣條件下，都同樣具有塊時間遞歸特性，並提出了相應的塊時間遞歸演算法及其并行格型結構實現方法，計算機模擬驗證了并行格型結構實現的可行性，計算復雜性分析與比較也說明了rdgt塊時間遞歸演算法的并行格型結構在計算時間方面所具有的高速和高效性能。 -
This paper introduces common background knowledge of intersection, mainly describes traffic control design principle, such as signal timing and lane channelization. it also summarizes the same point between signal timing and lane channelization in nature and illustrates that it is optimal cycle length and signal phase that is the critical part of signal timing
=本文介紹了交叉口的一般背景知識，重點闡述了平面信號交叉口的交通控制的設置原理，包括信號配時原理和路口渠化原理，概括了信號配時和路口渠化原理的本質相同點。 -
Smart antenna has two critical tasks, one is to filter the uplink signals, and the other is to form the downlink beam, and we need adaptive algorithm and digital signal processing ( dsp ) technology to fulfill these work. adaptive algorithm is one of the most important technologies of smart antenna, and it determines smart antenna ' s speed to the wanted to signal and the complexity of the circuit of the communication system
自適應演算法是智能天線的核心技術之一，它決定著智能天線對來波信號響應的速率和系統實現電路的復雜程度，系統需要針對各種通信環境來選擇合適的演算法，也可以採用演算法分集的方法來使整個系統工作在最佳狀態。 -
Chapter 2 sets forth the structure of if ( intermediate frequency ) digital software radio, the critical theory of software radio and the signal processing technique about it
第二章介紹了中頻數字化軟體無線電的結構，並闡述了軟體無線電的關鍵理論和軟體無線電中的信號處理技術。 -
Analyze the critical path of the critical module, find out the most important signal that causes the delay of this timing path, try to modify the structure and improve the speed of the unit
在md32的片上存儲系統設計中，進行了相應的低功氂設計考慮。由於md32採用了cache結構加片上ram組成面積較大的片上存儲系統，其功耗成為整塊晶元的最主要部分。 -
The main researches of this dissertation are some algorithms for the estimation of direction of the signal ’ s arrival which are the critical technology of smart antenna
本文研究的主要內容是智能天線中的關鍵技術之一，信號來波方向估計（ doa ）的幾類演算法。 -
Real time seafloor tracking technique is the critical technique to ensure smooth seafloor surveying with full coverage and high efficiency. after detailed investigation on stochastic features of seabed reverberation produced by mbss systems, the author presented an algorithm and a set of relevant key coefficients for real time seafloor tracking, taking into account of characteristics of signal processing and timing sequence of the real system and introducing theorems of terrain surveying. as an achievement, a mathematical model was established based on the technique of centered filtering
海底地形實時跟蹤技術是保證多波束測深系統實現高效率全覆蓋水下地形測量的核心技術，作者通過對多波束測深系統海底回波信號統計特性的研究，依據地形測量理論，並結合實際系統信號處理的技術特點和處理時序，提出了實現海底跟蹤控制的關鍵參數及計算方法，建立了基於中值濾波技術的海底地形實時跟蹤數學模型，並開發出實時地形跟蹤專家系統，該系統經多次海上實驗驗證表明：理論正確、方案可行，取得良好效果。 -
With the increasingly usage of mixed - signal integration, reliability requirements for analog mos circuit application have become more critical
隨著混合訊號整合的使用愈來愈受歡迎，對類比電晶體（ mos ）電路應用信度的要求也變得更為重要。 -
Effective activation of antigen - specific t cells not only requires the first signal transduction through t - cell receptor ( tcr ) binding with peptide - mhc complex on the antigen presenting cell ( apc ), but also needs the second signal, termed costimulation. costimulation critical to the degree and consequence of t cell activation is provided by interaction between soluble factors or cell - surface molecules on the t cell and on the apc
而t細胞的活化除需要t細胞受體（ tcr ）與抗原呈遞細胞（ antigenpresentingcell ， apc ）表面的抗原肽- mhc復合物結合所形成的第一信號外，還需要t細胞和apc表面的其它膜分子結合所提供的共刺激信號（亦稱第二信號或輔助刺激信號， costimulatorysignal ）的參與。 -
Based on chaos critical state detection method, two approaches are used : one is that making a pretreatment on dsss signal to take out the period information of the signal. the other is that starting from the analysis of the sensitivity of duffing system to ambi - polar square wave modulated by sine signal, the
通過兩種途徑:對信號進行預處理，提取出其中的周期信息，轉化為單頻信號檢測;從研究duffing振子對方波調制信號的敏感性出發，全面分析其中的間歇混沌現象，實現信噪比- 20db以下dsss信號的檢測。 -
Secondllv in the 1 d random traffic flow model. the relation function between the correlation and the creation. disappearance. brake probabilities of the vehicles is presented. according to the statistical mechanical approach to the spatial correlation functions. the theoretical results agree with that of the computer simulation. thirdh. based on the bml model. a main - road traffic flow model with two speeds on two dimensions is designed. this model simulate the traffic situation of one main road and several branches in the cit traffic lights placed on the crossing. vehicles breaking ~ vhile running and turning to other direction while jamming. we investigate the ~ ' e1ocitv and flo ~ ~ of the model when the initial densitvthe brake and turning probabilities. the green to signal rati3. thc number of the branches and the period of the signal are changed. then the reasons causing all the kinds of phenomena are analvzed. finallv. we simulate the bml model using the method of lattice boltzmann which ~ vas brought out by liu mu - renand obtain the velocity - density graph similar to the previous result. the upper critical densiw above which there are oniv jamming configurations. and the lo ~ ver critical density below which there are only moving configurations are the same as before. the boltzmann function which is on the lattices shows the moving and jaxmning transition obviouslv. thus it proves the possibilit of this method on the traffic research
接著，建立了和研究了二維二速的主幹道模型，該模型模擬了城市交通中一條主幹道，多條支道的交通情況，在幹道與支道的交叉路口設置紅綠燈，車輛在運行中可以有對突發事件發生反應的剎車，在發生堵塞時，路口的車輛可考慮通過轉向來緩解交通等各種實際情況的發生，給出了車輛演化的演化方程，並通過計算機模擬，研究模型在改變車輛的初始密度、剎車概率、轉向概率、支道數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下支、主幹道車輛的速度、流量的變化，並分析在各種情況下交通狀況的成因，提出改善交通的有效措施。最後，在劉慕仁提出的用格子boltzmann方法研究一維決定論交通流的思路下，將此法推廣到對二維bml模型的模擬上，得到了與用以往方法的研究結果相類似的速度-密度圖線，且車輛從運動相到堵塞相轉變的上下臨界密度是一致的，同時分別給出車輛在處于暢通相和堵塞相時， boltzmann函數在格子上的分佈情況，進一步驗證了此法的可行性。 -
The proposed approach enables parallel execution of conventional lza and its error detection, so that the error - indication signal can be generated earlier in the stage of normalization, thus reducing the critical path and improving overall performance. the circuit implementation of this algorithm also shows its advantages of area and power compared with other previous work
本文提出了一種新型的基於錯誤糾正機制的前導0預測演算法，該演算法在傳統非精確演算法的基礎上增加了對其結果出錯時的預判機制和規格化過程中的實時糾正機制，從而實現了尾數和規格化時的精確移位，降低了浮點加減運算的關鍵路徑延遲。 -
In addition to the required courses in emergency and critical care medicine, the institute offers a wide range of courses, including instrumental analysis, epidemiology and biostatistics, general immunology, molecular cell biology, advanced emergency medicine, environmental emergency medicine, infectious disease, traumatology, toxicology, bioethics in critical care, seminar, organ transplantation, medical economics, animal models and technology of medical researches, physiological signal processing, pediatric emergency and critical medicine, geriatric emergency and critical medicine, emergency and critical medicine in obstetrics and gynecology, thesis preparation, symposium, etc
本所目前的課程除了必修的進階急診醫學及進階重癥醫學外，尚有選修的儀器分析臨床流行病學概論及生物統計免疫學概論細胞分子生物學進階急診醫學環境急癥醫學感染學外傷學毒物學重癥生命倫理學器官移植醫療經濟學醫學研究動物模式與技術生理訊號分析兒童急重癥醫學老人急重癥醫學婦產科急重癥醫學論文撰寫專題討論等。 -
Other studies show that the last pxp are critical for the signal transduction ; 4 ) a wvefi domain. it is termed as box2 which are identical in all the ghrs ; 5 ) there are also very conservative tyrosine in the cytoplasmic domain of all the ghrs, their phosphorylation is believed
以上比較分析表明ghrz具有ghr最重要的結構，其就是ghr 。但他們又有自己獨特的地方，因而和ghri分開來，屬于ghr不同的一個類群。 -
The research about the critical technique includes : developing the radiation - hard ccd sensitive to the x and euv ray ; implementing the design of ccd driving clock and signal readout electronic using cpld ; implementing shutter design which can realizing 1ms - 10s exposing time
關鍵技術突破包括：完成x射線和極紫外波段都敏感的抗輻照型ccd技術設計，並利用cpld實現了非規則像素陣列ccd的驅動時序和讀取電子學電路設計和調試：完成1ms 10s寬動態范圍快門裝置設計和調試。 -
3. making a deep research on weak sinusoid signal detection using duffing oscillators and combining chaos critical state detection method with general detection methods, this dissertation realizes weak sinusoid signal detection below - 50db snr. furthermore, starting from the analysis of the intermittent chaotic motion occurring in the detecting process, an array of duffing oscillators are used to estimate the frequency of weak sinusoid signals accurately
（ 3 ）全面深入地研究了duffing振子用於微弱正弦信號檢測的機理，並把混沌臨界狀態檢測法和傳統檢測方法相結合，實現- 50db以下超低信噪比的微弱正弦信號檢測;建立了混沌振子陣列，實現低信噪比下正弦信號頻率的估計。
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