ground noise 中文意思是什麼
ground noise
解釋
本底雜波-
In the noise simulation sysnoise is applied to get estimable simulation results of aircraft noise close to ground
設計了一種可用於機場無人監測的專用無線噪聲測試系統。 -
Such as harmonic distorted in front analog circuit, sample clock shaking, analog power and the noise in ground plane etc. some suggestion of circuit design is given to improve high - speed a / d circuit performance
在高速模數轉換電路的應用設計中地電源供電設計、模數地平面設計、采樣時鐘設計等方面提出一些具有指導性的意見。 -
Headstock gears ground with low noise
主軸箱齒輪精密磨削，噪音低。 -
On the roadway which they were approaching whilst still speaking beyond the swing chain, a horse, dragging a sweeper, paced on the paven ground, brushing a long swathe of mire up so that with the noise bloom was not perfectly certain whether he had caught a right the allusion to sixtyfive guineas and john bull
只見鏈欄後面有一匹馬拉著掃除器正沿著鋪石路走來，一路掃攏著長長的一條泥濘。一片噪音，布盧姆簡直鬧不清關於六十五基尼和約翰布爾的引喻自己是否聽真切了。 -
Acoustics - prevision of ground transportation noise - technical description of software
聲學.地面傳輸噪聲的預測.軟體的技術描述 -
The paper analyzed synthetically the environmental impact that is produced in construction time of under - ground no. one of shenyang, studied the generant rule and quantity of pollutants such as noise, vibration, waste water, waste gas and solid offal and etc., proposed countermeasures to alleviate and control environmental impact
摘要通過對沈陽地鐵一號錢施工期產生的環境影響綜合分析，研究該項目在建設中產生的噪聲、振動、廢水、廢氣及固體廢棄物等污染物產生的規律和發生量，並提出緩解和控制環境影響的措施。 -
It is evident from figure 42 that if a ground network contains loops there is a greater danger of it being vulnerable to emfs induced by external magnetic fields, and of ground current ' escaping " from high current areas to cause noise in sensitive regions
從圖11 . 42可見，如果存在地線迴路，外界磁場切割地線迴路時容易出現感生電動勢，大電流電路會「四處流竄」 ，影響精密電路。 -
To resolve the situation that the sensitivity of present ground fault protection schemes is low for the large - sized hydro - generators, a kind of protection scheme based on the fault component of third - harmonic voltage and two kinds of protection scheme based on the fault component of zero - sequence voltage at the terminals and neutral are developed, and they can obtain higher sensitivity and reliability and provide 100 % protection for the stator windings. the influence of noise on the stator ground fault protection based on the local modulus maximum of wavelet transform is analyzed
針對目前大型水輪發電機定子繞組單相接地保護靈敏度偏低的問題，通過分析單相接地故障后機端和中性點零序電壓的變化特點，提出了一種基於機端和中性點三次諧波電壓故障分量和兩種基於機端和中性點零序電壓故障分量的高靈敏度、高可靠性保護方案，並實現定子繞組的100 %保護。 -
In the light of the pulse width of the radar wave, this paper deals with the difference and the relationship between the vertical resolution and the transverse resolution of the ground - penetrating radar, indicates the influence of the noise upon the resolution and, with practical examples, points out that the digital handling of the signal can greatly improve the resolution of the radar
摘要從雷達波脈沖寬度出發，闡述垂直解析度與橫向解析度的區別和相互關系，並同時指出噪音對解析度的影響，用實例說明訊號的數字處理能大大的改善解析度。 -
Mechanical vibration - ground - borne noise and vibration arising from rail systems - general guidance
機械振動.由鐵路系統產生的地面噪音和振蕩.一般指南 -
A tv target tracing system has following features : real - time, image indistinctness on the ground of dynamic tracing and external environmental distortion, high noise background intensity and so on
電視目標跟蹤系統實時性強，由於是動態跟蹤和外界環境干擾，所以導致圖像不清晰、背景噪聲較強。 -
4. the dissertation studies in - depth the multi - aperture sar mtdi based on along - track interferometry ( ati ). it presents and describes the detecting processing in sar image domain using double apertures and analyzes the influence of all kinds of factors including ground clutter, noise, signal - to - clutter, range velocity, multi - look processing and etc on the detection performance
4 、深入研究了基於沿跡干涉釁1 ）技術的多孔徑sar系統地面動目標檢測和成像方法，給出了採用ati方法對兩幅sar復圖像進行慢速目標檢測的完整過程，詳細分析了各種因素如雜波、噪聲、目標信雜比、目標速度及多視處理等對檢測性能的影響，並通過大量的模擬給予驗證。 -
Some few minutes had elapsed, and the stranger began to show manifest signs of impatience, when a slight noise was heard outside the aperture in the roof, and almost immediately a dark shadow seemed to obstruct the flood of light that had entered it, and the figure of a man was clearly seen gazing with eager scrutiny on the immense space beneath him ; then, as his eye caught sight of him in the mantle, he grasped a floating mass of thickly matted boughs, and glided down by their help to within three or four feet of the ground, and then leaped lightly on his feet. the man who had performed this daring act with so much indifference wore the transtevere costume
過了一會兒，此人開始顯示出不耐煩的樣子，正在這時，屋頂的洞口外面發出了一種輕微的響聲，立刻有一個黑影擋住了亮光，那分明是一個男人的身影，那人正在急切而仔細地察看他身下的這一大片地方，當他看到那個穿披風的人時，他就抓住一簇向下飄垂密密地纏結在一起的根須，順著它滑到了離地三四尺的地方，然後輕輕地跳了下來，他穿著一套勒司斐人的服裝。 -
However, the problem with such shields is that noise captured by the shield can still cause problems if the return path the noise takes is not carefully planned and implemented by understanding of the ground system and making the connections correctly
不過，如果噪聲信號的泄放路徑設計不當、接地錯誤、或者電氣連接不可靠，屏蔽體上的噪聲仍然會對系統產生不利影響。 -
Electricity noise in the spot can be solved by metal cover and right ground connection. the ground connection method is given in the fourth chart
對工作現場的電噪聲可以通過金屬外殼屏蔽和設計正確的接地的方法解決，在本文第五章中給出了接地的設計。 -
First in this paper, we review the development of radar signal processing and cfar detector, analyse the structure and principle of the signal processor, ca - cfar and os - cfar detectors. then, in view of the characteristic of prc cw signal, analyses the statistics characteristic of scattering bodies, models of target, noise, ground - clutter and weather - clutter are made. these lay a theoretic foundation of signal processing and cfar detector
然後，本文針對x波段偽隨機m序列相位編碼連續波信號體制，分析了各種散射體的統計特性，對雷達目標及檢測背景噪聲（熱噪聲、地雜波和氣象雜波）進行了理論分析和統計檢驗，建立了目標及檢測背景的目標模型，確立了信號處理和恆虛警檢測的理論基礎。 -
With the sky as their roof, they sat on the ground seeking the inner worlds. meditating in the open, surrounded by mountains and the forest, they felt especially free and tranquil, as if they were unified with the universe. despite the noise of karaoke from other groups who pitched their tents nearby, the atmosphere in the camp site where they were meditating remained serene and peaceful
隨后營區在整理后，馬上變成數百人的共修場地，大夥兒以天為帳，席地而坐，專注尋找內在世界，在露天的野外山林中打坐，倍覺心寧神廣，與天地融為一體，盡管隔壁新紮營的團體響起陣陣的卡拉ok歌聲，打坐營區內仍然充滿寧靜祥和的感覺！ -
And some useful rules are concluded from these experiments. the pd signals on different frequency scopes are surveyed, and the thesis explores anti - noise narrowband detection of partial discharge signals. for the first time the thesis brings forward the choosing - frequency detection of pd ground on the radio frequency communication
同時，進行了局部放電不同頻段信號檢測，為窄帶抗干擾檢測技術奠定基礎，並首次提出基於射頻通訊原理的選頻檢測原理及檢測設想；在實驗室中進行了局部放電超高頻信號的檢測，驗證了超高頻法檢測局放信號時對空間電暈干擾的抑制作用。 -
Secondly, ground on the duct noise control, the delayed - lms algorithm, which is actulized easily, is brought forward, then the simulation on pc is achieved. it is shown from the computer simulation that for the single frequency noise, there will be a good effect when choosing the suitable parameters ; but for the narrowband noise, the effect will become worse with increasement of the bandwidth. this result is helpful to analyze the parameters influencing anc
結果表明： （ 1 ）隨著濾波器長度的增大，系統收斂速度變快； （ 2 ）隨著值的增大，系統的收斂速度增大，但是當值超過某一范圍時會引起系統的發散； （ 3 ）次級通路的延遲數與初級噪聲頻率有關； （ 4 ）對于窄帶信號， dlms演算法可以取得一定的降噪量，但是隨著窄帶信號帶寬的增大，降噪效果明顯變差。 -
Based on the hypothesis that the input for earthquakes is white noise and using the principle of random optimal control, the features of vibration control and the effects of parameters such as isolation degree, damping and ground site on them were analyzed
假定地震動輸入為白噪聲，運用隨機最優控制原理，分析了組合隔震結構振動的控制性能以及隔震度、阻尼和場地等參數的影響。
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