propagation delay 中文意思是什麼

propagation delay 解釋
傳播時延
  • propagation : 持續培養
  • delay : vt 延遲,拖延,耽擱。 We ll delay the party for two week 我們要把會期延遲兩周。 The train was del...
  1. The delay due to the carry propagation through the adder stages can be minimized when a carry-look-ahead scheme is used.

    採用越級進位方式可以減小逐級進位造成的延時。
  2. Time deviation due to propagation delay can be tolerated.

    允許存在傳輸延遲所引起的時間漂移。
  3. Three finite - difference methods, i. e., stagger grid, implicit and explicit algorithms, are analyzed in detail. multi - grid algorithm is firstly introduced in elastic wave simulation, to solve for the stability problem inherent in stagger grid and implicit algorithm, also for the efficiency problem inherent in explicit algorithm, and the precision, stability and efficiency for simulation of elastic wave arc increased by multi - grid method. phase - delay method is provided to effectively absorb boundary reflection and increase efficiency for wave motion simulation, based on phase delay and amplitude decaying features along wave propagation

    在水平分層介質接收函數的波形反演研究的基礎上,本文系統闡述了非均勻介質中彈性波傳播數值模擬常用的三種有限差分方法:顯式差分、隱式差分和交錯網格法,首次將多重網格演算法應用於彈性波方程的數值模擬問題,克服了交錯網格法和顯式差分法穩定性差,以及隱式差分法計算效率低的缺點,大大提高了彈性波數值模擬的精度、穩定性和計算效率。
  4. A good rule of thumb is if the propagation delay of the data line is much less than one bit width, termination is not needed

    一個好經驗法則是:如果數據線的傳播延遲遠小於一個位寬度時,就不必使用終端電阻。
  5. Some of these considderationsinclude insertion loss, cross talk, propagation delay, and unterminated stubs

    需要考慮的因素包括插入損耗、串擾、傳輸延遲和未端接短截線。
  6. In satellite navigation and positioning system, time is important information for fast and direct acquisition of long cycle code, one of its important aspects is the uncertainty compression of signal ' s propagation delay to reduce time search range

    摘要衛星導航定位系統中,輔助長碼快捕的一個最重要的信息是時間信息,衛星信號傳播時延估計是提供先驗時間信息,減少時域搜索范圍的一個重要方面。
  7. The author considered great numbers of transmission characteristics of real channel in lms model and properly simplified it according to requirement in the project. the key characteristics in the model include multi - path fading, shadow fading, doppler shift, propagation noise, multi - path delay and and state transform of three status homogeneous markov chain described by lms model, etc. the key characteristics of channel are properly collocated and made to be the evidence theory of hardware implementation

    Lms模型考慮了大量的實際通道傳輸特性,結合課題需求,實現過程中對lms模型做了適當簡化,考慮了其中的多徑和陰影衰落、多普勒頻移、傳播噪聲、多徑延遲以及lms模型所描述的三狀態齊次markov鏈的狀態轉換等,對其所描述的主要通道特性適當組合,以此作為硬體實現時的理論依據。
  8. Analysis of signal integrity and propagation delay in high - speed pcb design

    設計中的信號完整性和傳輸延時分析
  9. Through the analysis of the test data and the new development in the relevant literature, some more realistic models for sea - clutter and multipath propagation is concluded and the simulation is accomplished in the software. they provide the foundation for low - altitude radar target detection & tracking techniques research. in the second part, radar low - altitude target detection & parameters ( elevation - azimuth - range delay - doppler shift ) measure are studied

    (海)雜波和目標信號的多徑傳播嚴重影響了雷達低空目標探測與跟蹤的性能,通過分析國內外的有關試驗數據和最新的研究進展,總結出比較接近實際的海雜波和多徑傳播模型,並在有關軟體中實現了海雜波與多徑傳播的模擬,為進一步研究各種低空目標探測與跟蹤測量演算法提供了保證。
  10. Rtce is based on forecasting the inherent vulnerabilities to propagation of hf time - varying channel, including multipath delay, doppler spread, selective fading, interference, so this paper also introduces characteristics of hf channel in the beginning. familiar rtce systems all adopt envelope method that bello brought forward

    實時選頻技術是基於對短波電離層時變通道固有的不利於電波傳播的各種因素,包括通道的多徑展寬、多普勒展寬、選擇性衰落、噪聲干擾等的預測的基礎上實現的,所以在開篇對短波通道的特點進行了詳細的介紹。
  11. To solve this problem, quick range measurement technology was researched based on the method of propagation delay and working principle of cpld. a time measurement circuit with an accuracy of ? 0. 2m was designed and accomplished. it could finish the whole measurement process in 80ns after the bounced pulse was received

    針對該問題,基於傳遞延時插入法和cpld的工作原理,對快速測距技術進行了研究,研製了一種能實現收到回波脈沖后80ns內完成測距,測距精度0 . 2m的計時電路,並將該電路集成於一片可編程邏輯器件中,減小了電路面積和功耗,增強了抗干擾能力。
  12. Abstract to evaluate the effect of the deep hole blast on the villages 200 m away from malanzhuang iron mine, the observation of the blast vibration in malanzhuang iron mine was made , the propagation law of the blast - caused seismic wave, the seismic wave superimposition of short - delay blasting and the affect of blast vibration on the residents psychology are analyzed. the method and measures for reducing the blast vibration are suggested

    為評價馬蘭莊鐵礦深孔爆破對采場200m外村莊的影響,對馬蘭莊鐵礦爆破震動進行了觀測,分析了爆破地震波傳播規律,微差爆破地震波疊加情況及爆破震動對居民心理的影響等,提出了減少爆破震動的方法和措施。
  13. Then critical technologies of simulation system are discussed, including frame processing structure, fh sequence generator, simulation models of path loss and multipath channel, simulation of signal propagation delay and jamming signal etc

    其次,討論了模擬系統實現的關鍵技術,包括幀處理結構、跳頻序列發生器、路徑損耗與多徑通道模擬模型、信號傳播延時及干擾信號的模擬等。
  14. According to fiberglass - reinforced composite material, the propagation modes of lamb wave before and after damage ' s generation is analyzed. ellipse technique is applied to determine damage location. three time delay estimation methods are compared

    針對復合材料板,分析了lamb波在結構損傷前後的傳播速度;採用了橢圓技術來確定損傷位置;比較了三種不同的時延估計方法的損傷定位效果。
  15. It usually originated either from an inadequate information propagation system under tight bandwidth constraints and latency - prone networks such as the internet, or from delay in cpu - processing by the server

    它通常是由於在嚴格的帶寬限制和高延遲的網路環境下使用了不合適的信息廣播系統而導致,也有可能是由於服務器的cpu處理導致了延遲。
  16. The propagation delay will grow with increasing path length

    傳輸延遲也將隨路徑的延長而增大。
  17. Propagation delay is the time between the application of the input and the correct response of the output.

    傳輸延時是指輸出相對輸入的延遲時間。
  18. Topology changes in one part of a network are not instantly known in other parts of the network due to propagation delay

    由於傳播延遲,某部份的網路拓撲改變時,在網路的另一個部分並不見得能立即知道。
  19. Based on coarse data of positions of user and satellite, estimation algorithms of propagation delay between different satellites and users are given

    基於用戶和衛星的概略位置,給出了適用於不同類型導航星和不同用戶場景的衛星信號傳播時延估計演算法。
  20. To minimize network propagation delay of a virtual server renaming operation, use the following steps

    若要最小化虛擬服務器重命名操作的網路傳播延遲,請使用下列步驟:
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