signal earth 中文意思是什麼

signal earth 解釋
信號地線
  • signal : n 1 信號,暗號;信號器。2 動機,導火線 (for)。3 預兆,徵象。adj 1 暗號的,作信號用的。2 顯著的...
  • earth : n 1 〈常E 〉 地球。2 大地,陸地,地面,地上。3 土壤,土。4 【化學】土類;泥。5 世界人類;人的軀體...
  1. Owing to complicated earth ' s surface condition such as the steep stratum outcropping of front - zone of mountain or the huge thick gravel stratum ' s overlay and earth ' s surface large undulation, complicated underground geology structure developed extremely such as thrust and overthrust nappe, and violent change of the lateral velocity, etc. in front - zone of mountain there are a series of problems such as serious secondary disturbance and low signal - to - noise ratio in seismic exploration gathering

    由於山前帶高陡巖層出露或巨厚礫石層的覆蓋、地表起伏大等復雜的地表條件、逆沖和逆掩推覆等復雜地下地質構造發育、速度橫向變化劇烈等原因,造成了山前帶地震勘探資料採集存在次生干擾嚴重和信噪比低等一系列問題。
  2. Deep earth control, this is virgil. signal check

    地心控制臺,這是維吉爾訊號無誤
  3. The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    本文從星載雷達的星地幾何關系入手,舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型,研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法,並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體,完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析,最後完成雷達回波信號的模擬。
  4. At first, environment detection data is collected, modulated and emitted in the the system of fy - 2 and detectors. then data signal is magnified, demodulated and sent in the earth - based system of data receiving and demodulating. at last, data is received, processed, stored, displayed and judged to make alarm automatically by telephone for solar proton - events and x - ray flare in the system of data processing and alerting

    首先在fy - 2衛星及探測器系統中,環境探測數據被收集、調制並發射,接著由地基數據接收及解調系統將數據信號放大、解調還原並發送,最後由數據處理及警報系統將數據接收處理、保存顯示並對太陽質子事件、 x耀斑進行自動電話報警。
  5. In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods

    而精確預測無線電波傳播路徑損耗特性,則為合理的微蜂窩無線網路規劃、設計提供了必要條件,同時也是研究微蜂窩移動通信系統性能的前提。無線電波傳播預測的方法分為兩類:一是用沖激響應法,即根據實驗、統計所得數據建立經驗性傳播預測模型;另一種是用射線跟蹤方法,即依據理論分析來建立確定性的傳播預測模型。本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性,介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測模型,並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。
  6. This paper researches the non - direct - grounded system fault detection from software arithmetic view, whose main content is as follows : the paper analyses the system running characters before and after fault. and the paper analyses the fault transient signal and fault steady signal and all parts in fault steady signal after the single line - to - earth fault occurs, and discovers the fault laws and appearance of fault signal. the analyzing of the fault laws and fault phenomenon of non - direct - grounded system all above is the base of analyzing arithmetic

    本文針對小電流接地系統選線的問題,從軟體演算法的角度進行了研究,主要內容如下:對小電流接地系統故障前和故障后系統的運行特點進行了分析,並且對小電流接地系統發生單相接地故障后,故障暫態信號、故障穩態信號以及故障穩態信號的各種成分進行了深入的分析,找到了故障的規律以及其故障信號的表現形式,為對各種演算法的分析比較打下了基礎。
  7. It is that energy conversion that is responsible for the violent impact against the earth that generates the seismic signal.

    就是這種能量轉換引起對地層的猛烈沖擊,從而產生了地震信號。
  8. A signal-relay satellite would transmit information from the telescope to earth.

    望遠鏡接收到的信息將由轉播信號的一顆衛星轉播到地球上。
  9. Uplink - the signal that carries information from an earth station source up to a satellite

    上行-從地面原發站傳到衛星上的節目信號。
  10. Downlink - the part of a satellite system that includes the satellite itself, the receiving earth station and the signal transmitted from the satellite to earth stations

    下行-衛星運行系統的一部分,包括衛星、地面接收站以及由衛星傳送到地面接收站的節目信號。
  11. The seismic signal from an underground explosion can be greatly reduced if the explosive is detonated inside a large cavity rather than being tightly packed into surrounding earth materials. the method is referred to " cavity decoupling ", which is very effective for concealing the underground nuclear explosion

    相對于填實、封閉爆炸,地下大空腔中的爆炸可使遠區地震波幅度大大降低,因此空腔解耦技術是隱蔽地下核試驗的有效手段。
  12. The return link is that the signal retransmitted from the user aircraft to relay satellite, then transmitted the signal to the earth station

    返回鏈路指用戶航天器經數據中繼衛星轉發信號,向地面站回傳航天信號。
  13. The inter - link of tdrss contained forward link and return link. the forward link is the signal retransmitted from earth station to relay satellite, then transmitted the tt & c to the user aircraft

    前向鏈路指地面站經數據中繼衛星轉發信號,向用戶航天器(包括成像偵察衛星、航天飛機與載人飛船等)發送跟蹤、遙測與控制指令。
  14. By building the antenna at a location with a poor effective conductivity of the ground, and by grounding the ends of the feedline / antenna, the signal is forced deep down into the earth, making the earth itself the effective radiating element

    通過將天線建造在低導電性的地點,並且將饋線/天線的終端接地,信號被迫深入地球,使得地球本身成為一個有效的輻射單元。
  15. Judging by the different magnitude and direction of the wavelet packet coefficient modular maximum, we can select the single phase - to - earth line. the method using wavelet singularity detection theory to extract the fault time is discussed. a fault distance measurement algorithm combining wavelet analysis used for separating the character from the transient fault signal with artificial neural networks used for the nonlinear approximation from the transient character to fault distance is presented

    論文提出利用各個出線零序電流在頻帶上小波包系數模極大值的方向和大小的不同來實現故障選線,討論了利用小波分析的奇異性來判斷故障啟動時刻,提出將小波分析和人工神經網路結合,利用人工神經網路的非線性逼近能力,實現故障暫態量到故障距離的非線性映射,完成測距。
  16. This signal is not insulation with the earth, and its internal resistance is very large. so it ’ s easy to lead various interferences into inducted signal

    在實際測量過程當中,感應信號屬于微伏級信號,該信號與大地不隔離,容易引入各種干擾。
  17. To the first one, the method of new sidelobe - suppression filter and the method of cutting big signals from the echo are put up, and the result is fine. to the second one, get the echo without earth clutters, and send it to the adaptive system as the input signal, so that the best result can be reached. finally the influence of the bad signal is given

    針對旁瓣問題,提出新型旁瓣抑制濾波器方案和從回波中去除大功率信號方案,取得較好處理效果;在和相控陣處理的融合問題上,提出去除回波中地雜波的方法,為自適應處理提供較好的數據源;最後簡要分析惡劣環境對信號處理的影響。
  18. A cell phone signal falling to earth from a phone aboard a plane encounters no significant obstacles to slow it down, so it " s strong enough to reach the ground and find a network on its particular frequency

    通訊委員會相信,飛機上手機打向地面電話的信號幾乎不會遇到令其衰減的障礙,因此這種信號會非常的強,它能夠份輕松的抵達地面,找到自己的頻率。
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