時間有限信號 的英文怎麼說
中文拼音 [shíjiānyǒuxiànxìnháo]
時間有限信號
英文
time finite mechanism- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 限 : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
- 有限 : limited; restricted; finite; a little; not much
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Beijing aviation ground services, beijing international airport, po box 6910, china 100621 office hours : 0600 - 2200
北京空港航空地面服務有限公司,北京首都國際機場,郵政信箱6910 ,郵政編號100621辦公時間:早上6時至晚上10時Based on the theory of technical innovation and technical innovation diffusion elaborated, as well as fluxionary calculus and game theory, the thesis analyses corporation adoption with game theory in the process of technical innovation diffusion : analyzes in the situation of information symmetry and information asymmetry the gambling between the supplies and the latent users of innovation, discusses the mechanism of the phenomenon " reversion choice " with emphasis in the situation of information asymmetry, and also introduces signal transmission model and information screen model to realize pareto improvement ; at the same time it analyzes in the situation of complete rationality and limited rationality the gambling between the latent users of innovation
依據已闡述的技術創新和技術創新擴散理論,以及微積分、博弈論等相關理論,對技術創新擴散中企業採用行為進行了博弈分析:分析了信息對稱和信息不對稱情況下創新供給者與創新潛在採用企業之間的博弈,重點討論了信息不對稱時「逆向選擇」現象發生的機理,並引入信號傳遞模型和信息甄別模型以實現帕累托改進;同時分析了完全理性和有限理性情況下創新潛在採用企業間的博弈。The one - dimension effective fpk equation of colored noise serves as our starting point to evaluate the effect of noise color on communication system design. the theory of ber versus input snr per bit is developed and a new procedure to determine the system parameters that influence the minimum ber is proposed. it is shown that the communication system ' s performance is related to the turnable system parameters as well as the noise correlation time
在指數相關高期色噪聲情況下,本文以一維有效色噪聲fpk方程作為研究的出發點,理論分析了限帶高斯色噪聲通道中脈沖幅值調制數字信號傳輸的誤碼性能,給出了非線性接收器的接收性能曲線,充分體現了噪聲相關時間的影響。The principle of vibrator is to introduce scattered energy to underground in a comparatively long time, and collect the energy through correlation and compress it into a narrow pulse. the portable high - frequency vibrator system, developed by key lab of geo - exploration and instrumentation ( jilin univ ), ministry of education, generates chirp signal and accumulates energy through a long - time bestiring. according to the characteristics of vibrator, the seismic recorder that operates on - line with vibrator must have these functions as follow : first, it must have the ability of recording a great quantity of data. second, it must have assistant channels to sample reference signal. third, it must have the function of data correlation in real - time
可控震源利用可控的小能量、長時間激發波來實現沖擊震源瞬時產生的大能量激發波。在利用可控震源進行地震勘探時,要求地震儀長時間記錄地震信號,這對地震儀的采樣長度提出了很高的要求。受存儲量和數據傳輸速度的限制,絕大多數地震儀很難對如此大的數據量進行記錄,同時,可控震源要求地震儀有兩個輔助通道並且具有數據相關功能,目前國內還沒有出現滿足要求的地震儀產品。Compared with the traditional methods of artifacts elimination, ica, a kind of spatial filter, does not be restricted by the case of spectrum overlapping, and have a good reservation of useful detail signals
此外, ica這種空間濾波器不受信號頻譜混迭的限制,消噪的同時能對有用信號的細節成分做到很好的保留,很大程度上彌補了時頻域方法的不足。Hence analysis and design of nonlinear sampled - data systems has been, in recent years, a subject of growing interest in the international community of control research. when a continuous - time plant is controlled using a digitally implemented controller, it is often faced that a continuous - time plant is transformed into its equivalent discrete - time model. a digital controller is usually designed on the base of approximate discrete - time models of the continuous - time nonlinear systems because it is difficult to obtain the closed form of the exact discrete - time model for nonlinear control systems
利用計算機等一類離散控制裝置來控制連續時間的受控對象時,都會遇到把連續時間系統化為等價的離散時間系統的問題,通過采樣器和保持器來實現離散時間的采樣控制,對于非線性連續受控系統,由於連續系統的時間離散化后一般得不到其等價的精確離散化模型表示的有限形式,實際上由其近似離散化模型代替來設計控制器,而近似會引起信號失真,那麼基於近似離散化模型上設計的采樣控制器,它是否同樣對原連續受控系統有效To make use of the maximum signal margin with the maximum scanning distance tolerance, the switching threshold should be set at the mid - way point between the background and mark signals
在使用具有最大掃描距離偏差的最大信號邊限時,轉換門限應該設置在背景與標識信號的正中間?The aimd has got a widely apply for its briefness and ease. at the other hand, it contain limited information because it has only two status : overload or under load. it cannot represent the true demand of the receiver and at the same time the policies of window adjust destroy the demand of smoothness of load, so it cannot afford the request of real - time streaming media
Aimd從演算法的簡單性和實際網路容易實現的角度考慮,反饋給發送方的信息有限,只有過載或欠載兩種二進制狀態; aimd演算法根據瓶頸資源的擁塞狀態向所有用戶發送相同的反饋信號,並不能真實反映接收節點對發送方負載量的要求;同時, aimd的窗口調整策略破壞了負載平滑性的要求,不能滿足當前實時流媒體應用, aimd的這些不足,體現了一種性能和系統復雜度之間的折衷。3 ) < wp = 12 > using perturbation analysis, the space - correlation loss and the bearing - estimated error for finite - bandwidth incoherently distributed sources are evaluated analytically, respectively. it is disclosed that bandwidth - induced bearing bias increases monotonously with the signal ' s relative bandwidth. when the relative bandwidth is not small enough to be negligible, the spatially - only processing cannot lead to accurate bearing estimate, that is, the joint space and time processing is necessary for high - precision bearing estimation
3 )利用擾動分析方法,解析評價了有限帶寬引起的非相干分佈源的空間損耗及其對波達方向估計的影響;分析表明,帶寬擾動引起的方向估計偏差隨信號相對帶寬單調增加;當相對帶寬無法忽略時,為了得到高精度的波達方向估計,需要進行聯合空時處理。Iterative learning control ( ilc ) is a technique for improving the transient response performance of systems or processes that operate repetitively over a fixed time interval. it refines the next control input using the information such as current control input and error signals after each trial until the specified desired trajectory is followed to a high precision
迭代學習控制針對具有重復運行性質的被控對象,利用對象以前運行的信息,通過迭代的方式修正控制信號,實現在有限時間區間上的完全跟蹤任務。The limited - jerk control commands are designed by fixing on a jerk maximum to limit the varying ratio of the reference orders, then the optimal time delays are solved by minimizing the oscillation energy of flexible modes
通過確定最大沖擊值,對指令信號的時間變化率加以限制來設計有限沖擊控制指令,然後令柔性模態振蕩能量最小,計算濾波器的最優時滯。Therefore, research on improving the image resolution of sar and isar continuously has been a hot as well important topic. time series echo signal can be decomposed to imfs ( intrinsic mode function ) by emd ( empirical mode decomposition ) algorithm, which is distributed following frequency
經驗模態分解( emd : empiricalmodedecomposition )方法能夠把時間序列信號分解成有限數目的本徵模態函數( imf : instrinsicmodefunction ) ,分解結果按頻率高低分佈。Is there any limitation for the wait time from the dot signal appearance to the other indicators agreement
當交易信號發出以後等待其他指標共振的時候,有沒有時間限制呢?Based on the single cycle detector, the finite cycle detector is proposed for the detection of phase - coded signals. the finite cycle detector has a good performance under unknown the spreading code sequence, initial phase, spreading code timing epoch
針對相位編碼信號的檢測,提出了基於單循環檢測器的有限多循環檢測器,可在沒有編碼序列、初相、編碼序列初始時間等信息的情況下,取得理想的檢測效果。Wavelet transform is a time and frequency local transformation and it can withdraw the information from the signal. through the calculate function making the muti - scale analysis it resolves many difficult problems which fourier transformation ca n ' t resolve. in recent years the researches and the applications of wavelet transform on the image compression are flourish, but because wavelet transform is very complicated and its apply has certain localizations
小波變換是一個時間和頻率的局域變換,因而能有效的從信號中提取信息,通過伸縮和平移等運算功能對函數或信號進行多尺度細化分析,解決了fourier變換不能解決的許多困難問題。近年來小波變換在圖像壓縮的研究和應用都十分活躍,但是由於小波的理論很復雜,因此應用起來就有一定的局限性。Dynamic mapping algorithm is also illustrated in details. through the computer simulation to some real short - time voice signal samples using matlab language. the result shows that the recognition efficiency using cepstrum coefficients mapping is better than what made by lpc mapping
實驗結果表明,與採用lpc特徵相比,採用lpc倒譜特徵和動態匹配演算法進行短時語音識別,會有較高的識別率;對不同語音信號有特徵空間離散度大、易於確定判別門限的特點。The spectral correlation density must be estimated before the ds signal parameter estimation. in order to reduce the effect of random noise, we provide a improved method to estimate the spectral correlation density which is based on the average algorithm. it can make the spectral line be more obvious, and improved the snr limit when estimating these parameters
在利用ds信號譜相關域所表現的特徵進行參數估計時,首先要利用有限時間數據對ds信號進行譜相關密度估計,為降低隨機噪聲對譜相關密度估計的影響,本文引入了集平均的思想,提出採用集平均的方法估計譜相關密度,從而在參數估計時,特徵譜線更顯著,提高了參數估計的信噪比容限。Because it needs a lot of fund and time to obtain the real data of target noise, there is limited quantity of real data now
由於目標噪聲實測信號的獲取需要耗費大量的經費和時間,實測數據有限。分享友人