接通延遲 的英文怎麼說
中文拼音 [jiētōngyánchí]
接通延遲
英文
switch on delay-
Butterworth - type and bessel function - type two ways are used for design of bandpass filter for receiver, and with the help of eda simulation tools, the bold plot and the group delay characteristics of the filters designed are compared
摘要採用巴特沃思型和貝塞爾函數型2種方法進行接收機帶通濾波器設計，藉助eda對該濾波器進行波特圖和群延遲特性的比較。Also the emitting and receiving circuit was designed, and the emitting and receiving delay of each unit was controlled by computer
設計了發射和接收電路，通過計算機控制實現探頭各晶片陣元的延遲發射與接收。Afterwards, the paper investigates some key technologies including time delay, system security and data communication in system implementing and suggests that time delay problem could be solved through reducing the amount of data flow in the internet by using activex to encapsulate the client program by realizing communication between browser and client controlling program.
然後，論文對系統實施過程中的時延性、安全性和數據通信等關鍵性技術進行了研究，提出了採用activex技術來封裝客戶端程序，在瀏覽器中實現與控制服務程序的通信以減少網路數據量的方法來解決時間延遲的問題；以及採用安全套接字層協議ssl來解決安全性問題等的相應策略。For the design of rake receiver, a receiving with delay and unfixed channel estimation coefficients, integrating channel estimation, capture of spread sequences and, despread, are described. its features are real - time, quick capture and easy implement
對于rake接收機，描述了一種延遲和通道估計系數均不固定的接收方式，集通道估計、擴頻捕獲、解擴功能於一身，具有實時性強、捕獲速度快、易於實現的特點。Traditional delay estimation based on ica requires the trail sequences to initialize the receiver, but the new algorithm based on ica does not need the trail sequences. it is based on the channel character of downlink, using the ica algorithm to estimate the multi - path mixture matrix, then, find the delay information which is embodied by the column vector of the mixture matrix. the simulation results show that it does enhance the performance of traditional detector without wasting the invaluable frequency resource
傳統的通道估計演算法需要訓練序列使接收端的參數調整到理想狀態，而本文提出的基於ica的通道估計的多用戶檢測演算法不需要訓練序列，它是利用下行通道的固有特點，用ica的盲源分離法估計出多徑通道的卷積矩陣，從而從中提取出通道的延遲信息，模擬實驗結果證明這種方法在節省了頻譜資源的同時取得較好的估計效果，使得傳統的接收機的誤碼性能得到了很大的提高。Wireless wide - area networks ( wwans ) are charactered by very low and variable bandwidths, very high and variable delays, significant non - congestion related loss, asymmetric uplink and downlink channels, and occasional blackouts. additionally, the majority of the latency in a wwan connection is incurred over the wireless link
無線廣域網（ wwans ）由於以下特徵而有別于有線廣域網（如internet ） ：較低並且易變的帶寬，很高且易變的延遲，與擁塞無關的數據丟失，非對稱的上行和下行通道，以及偶爾的昏眠狀態，此外，在無線廣域網上的大部分的延遲發生在無線連接部分。Due to restriction with the array aperture transition time, traditional phased array radar works under relative narrow signal bandwidth, so this restricts the application of phased array radar in the field where high performance is demanded. however, optically controlled phased array radar ( ocpar ) adopts the photoelectron technology, counteracts the aperture transition time via the method of optical true time delay ( ottd ), so it can realize wide instantaneous bandwidth and squint - free operation ; meanwhile, it can realize the miniaturization of phased array radar and has super anti - electromagnetism interference capability
而光控相控陣雷達採用光電子技術，通過光實時延遲的方法來抵消孔徑渡越時間，可以實現相控陣雷達的寬帶寬角掃描;同時也可以使得相控陣雷達小型化，並具有強的抗電磁干擾的能力;另外，由於光纖傳輸具有損耗低、頻帶寬等固有優點，採用光纖連接雷達天線和雷達控制中心，可以使兩者的距離較採用同軸電纜有較大的提高，更有利於保護雷達控制中心。One way, linux kernel can be modified directly to reduce the schedule latency and this is so - called soft real - time. the other way, the so called sub - kernel idea can be adopted, which adds an extra real - time kernel besides linux kernel. the real - time kernel is in charge of managing and scheduling all the real - time tasks and linux kernel is treated as a real - time kernel ’ s task with the lowest priority
一種是對標準linux內核進行直接修改，通過減小操作系統的調度延遲，優化linux的實時性能，達到軟實時的標準;另一種是採用雙內核方案，增加一個實時內核，所有有實時要求的任務都在這個實時內核上運行，標準linux內核作為這個實時內核優先級最低的一個進程，這種方式可以實現硬實時。The tapped delay model of the multi - path frequency selective fading channels as well as the diversity receiver technique is introduced, and the principles of rake receiver are described. then various downlink channel estimation techniques, such as simple averaging, wmsa and fbprelms are analysed in detail
本文首先討論了移動通信通道的各種參數對通道估計的影響，介紹了頻率選擇性通道的抽頭延遲線模型和分集接收技術，在此基礎上闡述了rake接收機的原理。The proposed md mesh - based motion coding methodis then combined with the pairwise correlating transform, and acomplete md video coding scheme is proposed. further measures are takento reduce the mismatch between the encoder and decoder that occurs whenonly one description is received and the decoder reconstruction isdifferent from the encoder. the performance of the proposed scheme isevaluated using computer simulations, and the results show, compared toreibman s md transform coding mdtc method, the proposed schemeachieves better redundancy rate distortion performance
數據重傳必然會引起延遲，因而在需要很短延遲的應用中是行不通的，如雙向無線通信同時在以廣播方式進行數據傳輸時也是行不通的當有大量突發錯誤時，糾錯碼如分組糾錯碼block code及卷積碼convolutional code無法在不產生額外延遲及需要額外運算的前提下對數據提供足夠的保護而錯誤掩蔽的性能則受接收到數據與丟失數據之間的殘留相關性大小的影響。The protocol opnet models built here could be reused for the simulation of throughput performance of aos bitstream, virtual channel access and other services, for the simulation of delay, channel utilization, and other aos protocol performance metrics, or for the simulation of the performances of high layer protocols ( space network layer, transport layer ) based on the aos space data link protocol
可以在本課題建立的協議opnet模型基礎上進行aos協議位流、虛擬通道接入等其它業務吞吐量性能模擬，或進行延遲、通道利用率等協議其它性能模擬，或將模型應用於基於aos數據鏈路層的高層協議（空間網路層、傳輸層）性能模擬。The correlations in attacking connection chains can be constructed by analyzing the increase of the average value of the inter - packet delay between the two connection chains
通過分析兩個連接鏈包間延遲平均值的遞增性，確定攻擊連接鏈的關聯。Then based on the practical test technique of emt, it checks up whether chinese securities market is at weak - form - market phase by analyzing that whether the price is random whether the yield can be forecasted by the characters of company, whether the information lingeringly or overly reacts and whether the technical analysis is efficient. the result expresses that the securities market has not reach weak - form - market, it still has low efficiency
接著根據證券市場效率理論的實證檢驗方法，通過價格是否隨機性、是否可用公司特徵來預測收益率、信息是否存在延遲與過度反應、技術分析是否有效等檢驗方法對我國證券市場是否處於弱式有效階段進行實證檢驗，結果表明我國的證券市場尚未達到弱式有效，依然處于低效率之中。Third, this thesis thoroughly had also studied the three - dimensional differential game guidance law. the first - order differential game guidance law expression was inferred based on the linear quadratic differential game theory, the simulation results showed that this differential game guidance law is correct and effective
接下來，本文還深入研究了三維微分對策制導律，在線性二次型微分對策理論的基礎上推導出一階延遲環節三維微分對策制導律表達式並通過模擬計算得到驗證。By using depends. exe, or the dumpbin utility with the dependents option, you can see a list of dlls that statically link to your application and a list of the application s delay - loaded dlls
通過使用depends . exe或具有/ dependents選項的dumpbin實用工具，可以查看靜態鏈接到您的應用程序的dll的列表，以及應用程序的延遲加載的dll的列表。By way of analysis about the typical gps receiver tracking loops, the mathematical models of code multipath error and carrier phase multipath error are proposed in the dissertation ; by way of analysis about geometrical model of multipah signal, the mathematical model of differential path delay is proposed in the dissertation ; based on the above analysis, a improved carrier phase multipath mitigation algorithm using closely - spaced multiple antennas array is proposed, the result of computer simulation proves that the algorithm is feasible. the attitude parameters are often estimated using direct computation method. the relationship between the accuracy of attitude parameters and baseline length as well
本文從經典的gps接收機跟蹤環出發，分析了多徑效應對偽距觀測量、載波相位觀測量和snr的影響，提出了碼相位多徑誤差和載波相位多徑誤差的數學模型；通過對多徑效應的幾何模型分析，提出了多徑信號相對路徑延遲的數學模型；在此基礎之上，提出了一種改進的基於窄間距多天線陣列的載波相位多徑誤差抑制演算法，通過計算機模擬證明了該演算法的有效性。Through measuring the thickness of mica plates and the wavelengths at which they act as quarter wave phase retarders, the birefringence can be obtained in terms of the function relation between the phase delay, the wavelength and the thickness
通過測量雲母材料的厚度和相應厚度情況下作為/ 4波片使用所對應的波長，利用相位延遲與波長及厚度函數關系式直接求得雲母的雙折射率。The experimental results show that the effect of ib is much larger than that of the noise on estimating ionospheic delay, and ib can cause ionospheric delay measurements to include systematic errors of the order of several meters. therefore, one must significantly take notice of ib and remove its negative effect, and should not casually consider ib as part of noise whenever gps data are used to fit ionospheric model or to directly calculate ionospheric delay. ( 3 ) stability of ib is studied with a refined method for separating it from ionospheric delay using multi - day gps phase - smoothed code data
算例表明，新方法通過採用平均去噪分離方法后處理相位丞于g陀的電官唇監剝及延遲改正工論與方法的研究平滑測碼數據，求出儀器偏差並對需要實時處理儀器偏差的觀測數據進行預報改止，直接利用觀測值確定電離層延遲量，待估參數少、能消除儀器偏差的大部分影響，具有較好的精度，可作為waas及其他gps網路系統確定電離層延遲的可行的參考方案。Secondly, we study an improved nagel - schreckenberg model with open boundary condition. we analyze the influence of the boundary condition 、 safety distance and deceleration probability to the traffic flow. thirdly, we propose the three branch road modle without control for the confluence phenomena of cars
接著，研究了一種改進的ns模型在開放邊界條件下，安全距離，剎車概率，延遲起動對交通流的影響，較為準確的再現了真實交通中的大尺度堵塞及緩解現象。Every release time of connections can be controlled effectively by this policy that makes the connection pool satisfy normal connective need and the need of abundant paroxysmal ; furthermore, the system resources and communication costs can be saved effectively
該策略的核心延遲釋放演算法能有效地控制每個連接的釋放時機，使連接池既能在常規條件下滿足正常的連接需求，又能應對大量的突發需求，而且該策略還能有效地節約系統資源和通信資源。分享友人