amplitude delay 中文意思是什麼
amplitude delay
解釋
振幅延遲-
To increase the bearing accuracy of amplitude - comparison, the multi - channel system was chosen, the angle of reaching of moving antenna pattern serial was estimated from the frequency domain using the phase - delay estimating method, and at the same time, the selection of antenna, quantization of signal and touch switches were optimized in concrete engineering practice, and so the requirement of the index was satisfied
為提高比幅測向的精度，選用多通道體制，採取相位延時估計法從頻域來估算移動天線方向圖系列的達到角，同時在具體的工程實現上對天線選取、信號的量化、去摸開關等進行優化，從而滿足指標要求。 -
Focusing on the tactical index of ew system - bearing accuracy, this article makes deep - through analysis, comparison and study of the theory basis for traditional direction finding method. a 16 - channel monopulse amplitude - comparison direction finding method and new phase - delay estimating method has been proposed to use, through computer ' s analog computation and relative measures in actual engineering practices, the bearing accuracy of traditional method has been increased and the service requirement of the ew weapon system and adaptability of equipment satisfied
本文圍繞著電子戰武器系統的戰術技術指標?測向精度，對傳統的測向方法的理論基礎進行了深入的分析、比較和研究，提出了採用16通道單脈沖比幅測向體制和新的相位延時估算方法，通過計算機的模擬摸擬計算，以及在實際的工程實現中採取的相關措施，解決了採用傳統的測向方法提高測向精度，滿足電子戰武器系統的戰術技術指標要求和裝備的適裝性。 -
In the proposed flow control method for abr service in atm networks, by introduction of delay factors, the cell transmission rate for abr traffic with different rtd are adjusted differently when the surplus bandwidth varies, and the rate variation amplitude for the short rtd traffic will be enlargeed while one for the long rtd traffic will be lessened, compared with erica
改進的erica演算法加入時延因子，使在連接中具有不同時延的用戶在剩餘帶寬變化時，速率的調整具有不同反應，時延大的反應較遲鈍，時延小的反應較敏感。改進演算法使得小時延信源能更快的適應帶寬的變化，緩解了由於大時延信源速率調整的滯后而無法及時解除擁塞的現象。 -
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。 -
The conclusions from this research include : ( 1 ) the real part mainly effects the delay time between two peaks of gpr signal, the larger the real part, the longer the delay time. ( 2 ) the imaginary part mainly affects the peak amplitude of gpr waveform except that from pavement surface, the higher the imaginary part, the lower the peak amplitude. ( 3 ) the neglect of imaginary part of dielectric will increase the analyzing error obviously when it is higher
分析了路面結構層材料介電常數實部和虛部對雷達電磁波反射信號的影響，並得出以下結論： （ 1 ）介電常數的實部主要影響雷達反射波的時延，實部越大，時延越長； （ 2 ）虛部主要影響除路表反射波幅之外的其它結構層界面的反射波波幅，虛部越大，反射波幅越小； （ 3 ）當介質介電常數虛部較大時，忽略虛部將給分析結果帶來明顯的誤差； 3 -
The reasons focusing only on ray travel times are " noise tolerance could be enhanced and the sensitivity to the environment model mismatch may be reduced by neglecting amplitude information ; phase ambiguity is eliminated by employing the group delay of arriving wave packets ; travel times are pseudo - linear functions of sound speed profiles of the medium, and the perturbation of ray travel time is much smaller than sound pressure ' s
之所以選擇聲傳播時間的原因是：噪聲容限可以得到提高，並且傳播時間的計算可以不考慮聲壓的信息，從而降低了對環境模型失配的敏感性；相位的起伏也可通過到達包絡的群延時來消除；傳播時間是介質聲速分佈的偽線性函數並且傳播時間的起伏遠小於聲壓的起伏。 -
The quantitative relation of both the p - wave particle displacement proportion to charge and the root mean square of amplitude proportion to the 3 / 2 root of cavity radius was obtained, then the elongated charge, and the vertical delay stacked source, and the concentrating energy source, and the detonating seismic hammer, and opposite collision source were developed
本文基於球腔震源的縱波位移方程、激發子波的振幅及頻率與藥量的關系等理論基礎，總結了縱波質點位移與藥量成正比、振幅譜均方根與空穴半徑的3 2次方成正比的定量關系。 -
A symbol amplitude of a single - user in a multi - user system is approximated over the window of the frame and a perturbative correction value is calculated based upon a correlation or decorrelation matrix, which is determined by the delay spread of the signals
在多個使用者系統內的單一使用者的符號振幅系以該畫面的整個視窗來估算，並且系根據一個相關或解相關矩陣來估算，而該矩陣系由訊號的延遲分散來決定。 -
This algorithm adopts peak error or maximum amplitude error criterion to control the level of distortion in pipeline leak signals, and doesn ’ t change the subsequent location error of adaptive time - delay estimation in the case of a small quantization error, so as to implement the near - lossless compression of pipeline leak signals
該近無損壓縮演算法設計了基於峰值誤差準則的量化方案對管道泄漏信號的失真度進行控制，在量化誤差較小時並不影響后續自適應時延估計的定位誤差，從而實現對管道泄漏信號的近似無損壓縮。 -
First, delay window is used to reduce influence of pulse disturbance and signal amplitude to measurement result. second, according to the feature that width of receiving signal is wider than disturbing signal, width differentiation circuit is utilized to distinguish receiving signal and disturbing signal. third, most of digital circuits are integrated into isplsi ( in system programmable large scale integrated chip ) 1032 so as to simplify design and to develop the stability and reliability of the system
關于提高系統的穩定性和可靠性問題：一是採用了延遲窗口接收技術，以盡可能減小干擾脈沖對測量結果的影響；二是根據接收信號脈寬比干擾信號脈寬要寬的特點，採用脈寬鑒別電路來鑒別接收信號；三是用可編程大規模晶元isplsi1032對系統大部分的數字電路進行了集成化設計，達到既簡化電路設計、又提高系統穩定性可靠性的目的。 -
During the research, finding some important as follow : if wanting to get an ideal linearity of duamoop feedforward system, needing an accurate balance of amplitude and phase, so the attenuation, the delay and the phase in the circuit must be designed accurately
本項研究還發現，雙環前饋系統要獲得理想的線性化效果，還需要精確的幅度和相位平衡，這在電路的設計中表現為要對迴路中的衰減和延遲以及移相環節進行準確的設計。 -
The fundamental principle of this system is as follows. divide the incident beam into two beams, one of which passing through variable optical delay ( vod ), then combination of the two beams with the same amplitude and delay - superposition is sent to bi - photon detector and transformed into current signals, whose intensity is proportional to the intensity of bi - photon autocorrelation signals
本系統的主要原理是:把入射光分為兩束，讓其中一束光通過一個可調光纖延遲線，再把這兩束具有相同幅度並延時重合的光合路後送進雙光子探測器，該探測器同時吸收兩個光子發生雙光子效應從而產生電流信號，且其大小與雙光子自相關信號的強度成正比。 -
The classical congestion control algorithms for binary abr service mainly based on heuristics and do not have a formal theory to support them, thus they have two drawbacks. one is that the queue length and allowed cell rate ( acr ) oscillate with great amplitude, the other is that the control performance is not as good as we had expected in networks with a long bandwidth delay
但是，傳統的二進制abr業務擁塞控制機制大多基於啟發式法則而沒有正式的理論支持，所以這些方法存在兩個不足，一是隊列長度和源端允許信元速率呈現振蕩性；二是在具有大的帶寬時延乘積的網路中，控制效果不佳。 -
The results of the test demonstrated that the system has a good performance in the linearity, dynamic scope, isolation, coherence of the amplitude. the group delay of the upmixers is 2ns, which is better than other domestic manufactures. because the inconsistency between the isolation and the phase coherence, and the error of the test method, we haven ’ t gotten the good performance of the phase coherence. the next work is improving the restrain of the filter to the lo signal and the phase test methods
在單路發射通道上，群時延達到了2ns ，優于國內很多產品。三路通道之間的相位一致性由於測試方法的誤差以及隔離度指標的牽引作用，我們不能調試達到非常好的在相位一致性指標，再下一輪的工作中必須提高濾波器對本振信號的抑制度，改進相位測試方法以達到指標要求。 -
The cancellation performance ( cp ) of cancellation loops, which constitute the feed - forward amplifier system, is investigated mathematically and the simulation results are given. the effects of amplitude imbalance, phase imbalance and delay mismatch on the cancellation performance of a cancellation loop are fully analyzed
本文分析了前饋功率放大系統中抑制環路的工作原理；推導了幅度失配、相位失配、延遲失配對環路抑制能力的理論解析式，並進行了模擬研究。
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