檢波點 的英文怎麼說
中文拼音 [jiǎnbōdiǎn]
檢波點
英文
demodulator probe-
Consider the reflecting point halfway between geophone positions 10 and 11.
反射點的位置在第10和第11道檢波點之間。In the thesis, a signal processing scheme of polarization - insensitive fiber optic michelson interferometric magnetic sensor is described : making the interferometer work near the quadrature with closed loop controlling working point method, the fundamental frequency component of the magnetic field sensing signals can be detected to measure the input direct current ( dc ) magnetic field by phase sensitive demodulation
本文主要介紹了偏振無關光纖michelson干涉型微弱磁場傳感器信號處理的方案:通過閉環控制工作點演算法使干涉儀工作在正交工作點處,再利用相敏檢波演算法提取傳感器輸出信號的基頻分量,以測量直流磁場的大小。A beacon node can perform detection on the beacon signals it hears from other beacon nodes
一個指標節點能執行在指標上的檢波象徵它從其他的指標節點聽到Note that if a malicious beacon node knows that a detecting beacon node is requesting for its beacon signal, it can send out a normal beacon signal that does not lead to incorrect location estimation, and thus pass the detection mechanism without being noticed
注意,如果一個懷惡意的指標節點知道一發現指標節點正在要求它的指標訊號,它能送出一個沒有被注意不引導不正確的位置判斷,而且如此通過檢波機制的正常的指標訊號The principal advantage over the dual filter coherent detection is a four - fold reduction in bandwidth
與雙濾波器相干檢波相比的主要優點是帶寬減少了四分之三The hardware is composed of the selection of sensor, magnifying circuit, filter circuit of multi - plot tracing, shaping circuit, demodulation circuit, peak value holding circuit, and voltage comparing circuit
硬體部分包括傳感器的選擇、放大電路、多點跟蹤濾波電路、整形電路、檢波電路、峰值保持電路、電壓比較電路。In the paper, it is discussed to the winding of hydrophone array, the deviation and depth difference between focus and hydrophone array, and the deviation of time - distance curve, and presents a way to solve the problems
本文針對排列彎曲、炮點偏移距大小、炮點與檢波器不在同一深度以及時距曲線偏移等問題進行了討論,並提出了校正和解決的方法。The value for the receivers can be obtained by averaging the time shifts in the columns.
對縱列內的各對移值進行平均,能得到該檢波點上的這個值。A detector at b will then record the time of arrival of the reflected wave.
於是在B點的檢波器將記出反射波到達的時刻。Firstly, the properties and applications of millimeter wave are presented. and the basic theory and specification index and its development of the diode detector are discussed
論文首先介紹了毫米波的特點及其應用、二極體檢波的基本理論和技術指標及其發展概況。Presents the development of modern signal processing techniques, a new implementation method which realizes quadrature coherent detection by direct sampling of if signal generated during the implementation of traditional quadrature coherent detection with analog elements in the form of two parallel baseband channels where in phase ( i ) and quadrature ( q ) components of ceived if singnal where, the imperfect matching of the separate channels due to the analog elements results in high phase and amplitude which meets the needs for high performance radar signal processing, the elementary principles and the implementation process for each method and concludes from simulation results to compare their features and application conditions that the new approach can satisfy of the requirements of high performance sp
針對近年來提出的通過直接中頻采樣來實現正交相干檢波的方法,分析了其基本實現原理,並用統一的觀點解釋了迄今為止國內外基於此提出的各種實現方法;對每一實現方法的基本原理和實現過程都作了分析,並給出了計算機模擬結果;在此基礎上比較了各方法的性能指標及適應條件.理論分析和模擬結果證明,這一方法完全可以滿足高性能信號處理的要求It is introduced the structural design, working principles and performance of the four circuits of the module, i. e. synchronous circuit, trigger - transmitter circuit, clipping - amplifying - detection circuit and gain control circuit
文中主要介紹了構成該電路模塊的同步電路、觸發發射電路、限幅放大檢波電路、模塊增益調節電路等4種電路的結構設計、工作原理及性能特點。The cross - well seismic forward modeling program can be applied to geological model that has different velocities and dips to calculate cross - well seismic synthetics for given sources and receivers by ray tracing the least traveltime or four order differential wave equation
研製的井間地震正演合成記錄的程序,可用來對不同速度、不同傾角的地質模型,通過最小旅行時的射線追蹤或四階差分聲波波動方程,計算出對于給定震源和給定檢波點的井間地震合成記錄。At the same time, the fully using of digital map helped to scientifically set the location of shots and detectors, and the quality control was carried on in the distribution promptly to check up the cover frequencies of underground bin, azimuth and offsets to make sure the completeness of seismic data in city area ( burg, j. b, 1964 ; brown, a. r, 1992 ; sherff. w. c, 1990 )
同時,充分利用數字地圖,科學地布設炮點和檢波點,並及時地對城區內地下面元的覆蓋次數、方位角和炮檢距的分佈進行質量監控,確保城區內地震資料的完整性( burg , j b , 1964 ; brown , a r , 1992 ; sherffThe amplitude values at a certain moment in a seismic record received at a shotpoint and a detection point might come from reflections of various points on an underground ellipsoid, which has the shotpoint and the detection point as its focuses, and the connected line of the shotpoint point and the detection point as its major axis
摘要一個炮點和一個檢波點接收的一道地震記錄上某一時刻振幅值,它可能來自地下一個橢圓面上各個點的反射,該橢圓面以炮點和檢波點為焦點,炮點和檢波點的連線為長軸。The concept of otn node transmission model is introduced. the requirement of otn node transmission model is discussed. this model uses the frequency domain transmission matrix to express the otn node transport characteristics. the simplified model based on wdm and im - dd systems, the relationship between node characteristics and model parameters and measurement of model parameters are also discussed. at last a briefly discussion on how to develop the otn simulation and cad software based on our model is demonstrated
在線性時不變的假設下,提出利用頻域傳輸矩陣來表示節點傳輸特性的方法給出了oxc和oadm兩類光傳送網節點的統一的表示根據目前通用的波分復用強度調制直接檢波系統的特點對復雜的頻域傳輸矩陣進行了簡化並對通常所關心的節點主要性能指標與模型參數的關系模型參數的測量和計算模型的設計與計算機模擬輔助設計軟體開發的銜接問題進行了討論。Each demodulation analysis technique has its merits and limitations. in this paper, the principal and limitations of the hilbert transform and generalized detection - filtering demodulation analysis are systematically studied
通過系統分析和對比現有幾種解調分析方法各自的優缺點,本文深入研究了希爾伯特變換和廣義檢波濾波解調分析技術的原理、局限性及其工程中的應用。The paper introduces the principle of transient rayleigh wave exploration and the calculating process of f - k region analysis, according to experimental data analyzes the influences of the parameters on the calculation of phase speed of rayleigh wave and the various factors affecting transient state rayleigh wave exploration, at last, gives some advices on how to choose the best sampling rate, group interval, offset, vibrating source and receiver
介紹了瑞雷波勘探的原理和f - k域分析法的計算過程,分析了各參數對瑞雷波相速度計算的影響,通過實驗數據分析了影響瑞雷波勘探的主要因素,就如何選擇最佳采樣率、道間距、偏移距、震源以及檢波器等提出了幾點建議。The common - depth - point technique merely means the manifold repetition of each reflection observation with different source - detector geometry
其深度點技術僅意味著用不同的震源? ?檢波器的分佈形式多次重復每個反射觀測。Firstly, the theory and the architecture of hardware system are described, secondly, the steps of the signal processing are discussed in detail. based on the experiments and the characteristics of the signal, we pre - process the signals with band - pass filter, proportional amplifier and coherent demodulator. after sampling and analysis doppler information, we display the final results distinctly to alarm in time
然後,結合系統中各主要部分的任務,詳細介紹了信號處理的各個步驟:通過實驗比較,並結合接收信號的特點,選用帶通濾波器、比例放大器、相干檢波等技術對信號進行預處理;然後對獲得的多卜勒信息進行采樣和頻譜分析;最後,用比較直觀的形式顯示數據結果,以及時準確地告警。分享友人