linear detector 中文意思是什麼
linear detector
解釋
脈沖檢波器-
In this system, the oil pipe be locally magnetized through the longitudial and circumferential direction, the oil pipe be circumvolved by the electromotor, the detector will has a linear movement on the surface of the pipe, so it can realize the combined testing of horizontal flaw ( cankerous pits and cankerous holes etc. ) and vertical flaw ( pole flaw and crack etc )
該系統在油管局部實施軸向和周向磁化，油管由電機主軸帶動旋轉，檢測探頭緊貼油管直線運動，從而實現對腐蝕坑、腐蝕孔等橫向缺陷和桿狀損傷、劈縫等縱向缺陷的綜合檢測。 -
During the course of the manufacture for packaging 2000 pixel hgcdte irfpa wafer, some crucial techniques are solved, such as the design of the button stem structures with inclined dragging wires applied in cryogenic platform, the optimization of long linear irfpa detector ' s signal wires layouts, the implement of a fanout board having thin film gold metalization for defining the required electrical conductors and a method of hermetically sealed vacuum enclosure of large dimension windows, etc
在用於封裝2000元碲鎘汞焦平面晶元的分置式微型杜瓦研製中，詳細闡明了一種焦平面晶元其裝載面為斜拉式支撐結構的設計，實現了探測器外引功能線的布線優化及其輸出引線工藝改進，並提出了一種大尺寸高氣密光學窗口的焊接方法等關鍵技術。 -
Robust fault detector design for linear systems based on observer
基於觀測器的線性系統魯棒故障檢測器設計 -
The research and development of packaging technics are important to advance application of long linear irfpa detector
通過這些關鍵技術的突破，成功研製出了2000元碲鎘汞焦平面探測器杜瓦組件。 -
According to package characteristics of long linear hgcdte irfpa detector, difficulties of the metal split micro dewar manufacture are discussed in the paper
摘要針對長線列碲鎘汞紅外焦平面探測器封裝的特點，文章討論了分置式微型杜瓦研製的難點。 -
A linear relation can be found between response value of ultraviolet absorption detector, fluorescence detector, electrochemical detector and refractive index detector and quality of the object under test ; however, relation between response value of evaporative light - scattering detector and quality of the object under test is usually not a linear one, therefore, mathematical conversion of response value should be made before making calculation when necessary
紫外、熒光、電化學和示差折光檢測器的響應值與待測物的質量呈線性關系，但蒸發光散射檢測器響應值與待測物的質量通常並不呈線性關系，必要時需對響應值進行數學轉換后進行計算。 -
In the terms of interpolation, the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character. 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation, the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation, the more number of summation and the more order of interpolation polynomial, the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation, the more of reconstruction time simultaneously, aimed at eliminating the effects of noise contained in projection data, in this paper, author analysis cause and effects of common artifacts. importantly, discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector
在ct圖像重建時，選擇有限帶寬窗有較好的空間解析度，三角形窗有較好的密度解析度，選擇餘弦窗則使得空間解析度與密度解析度的折衷；從窗函數的頻譜角度來講，可以用於圖像重建的一個良好的卷積窗函數應該具備以下條件： （ ? ）小的3db帶寬b ，即最小的主瓣寬度； （ ? ）最小的旁瓣最大峰值a ； （ ? ）最大的旁瓣峰值衰減速度d ；就內插函數而言，臨近點內插與線性內插重建圖像噪聲大，但有較好的邊緣與細節； 4 4三次內插、三次b -樣條與四次拉格朗日多項式內插圖像平滑，局部特性較好。 -
Advanced peak detector automatic cutoff with mosfet and linear current charges battery to 100 % without overcharging
高級峰值檢測器自動以切斷功率管輸出和線性電流保證電池能被100 %充滿而不會導致過沖。 -
As the thermal conductivity detector is used in the modern - gas chromatography analytical instrument, it hassome abvantages of the simple structure, wide linear determining range ang good stability
摘要在氣相色譜儀中，採用熱導檢測器檢測物質成分的濃度變化，具有構造簡單、測定范圍廣、穩定性好、線性范圍寬等優點。 -
In order to compare the retention time ( rt ) and limits of detection of 20 organophosphorous insecticides in different conditions the experiments were carried out using a medium polar capillary column ( db - 1701 ) and a no polar capillary column ( db - 1 ) with two detectors ( gc - fpd and npd ). the rt of 20 organophosphorous insecticides in two different polar capillary columns was a retention qualitative method for 20 organophosphorous insecticides. db - 1701 capillary column coupled with gc - fpd detector was used in the following study, the limits of detection were in range of 5x10 - 11 ~ 2x 10 - 12 g, the linear range was 2x 10 - 9 ~ 1 x 10 - 11g
本研究用兩種檢測器（氮磷檢測器和火焰光度檢測器儀器）和兩種不同極性色譜梓（中極性毛細管色譜柱db - 1701 、非極性毛細管色譜柱db - 1 ）作為研究手段，比較了20種有機磷殺蟲劑在兩種色譜柱（ db - 1 、 db - 1701 ） 、兩種檢測器（ fpd 、 npd ）上的保留時間及最小檢測量，建立了用不同極性色譜柱上有機磷農藥的保留時間可作為有機磷農藥雙柱定性確證的的方法；建立了db - 1701 ， gc - fpd測定蔬菜中20種有機磷殺蟲劑的氣相色譜法，該方法的最小檢測量為5 10 ~ （ - 11 ） 2 10 ~ （ - 12 ） g ，線性范圍在2 10 ~ （ - 9 ） 1 10 ~ （ - 11 ） g時，相關性良好。 -
The basic operation principle of phase - locked frequency synthesizer and the type of circuits are expatiated systematicly in this paper. the principle of operation on sampling phase detector and some characteristics including the linear tracking and phase noise in phase loop circuits are analyzed deeply. the research is emphased on the theory and design method of circuits in the sampling phase - locked frequency synthesizer. then, the expansion capturing circuit is analyzed and designed for better performance of capturing loop circuits. at last, the loop filter is also analyzed and contrived taking account of effection of additional phase shift by the sampling - holder. the general research on the theory and technology of sampling phase lock in the paper will make a basement for the development of new product
本文系統的闡述了鎖相頻率合成器的基本工作原理及電路類型；較深入地分析了取樣鑒相工作原理及電路、鎖相環路的線性跟蹤特性和相位噪聲特性；重點對取樣鎖相頻率合成器電路理論和設計方法進行了研究；為了改善環路的捕獲性能，對擴捕電路進行了分析和設計，並用wewb32軟體對電路進行了模擬；考慮到取樣保持器的附加相移影響，對環路濾波器進行了分析和設計。 -
This kind of detector has many merits as follows : fast response time, large output current, fine linear response, high sensitivity to many particles including neutron, charged particle, x - ray, gamma - ray, visible light, and being able to work at indoor temperature
這種探測器具有時間響應快，輸出電流大，對多種粒子如中子、帶電粒子、 x射線、射線、可見光都具有高靈敏度，而且響應的線性性好，可在室溫工作等特點。 -
The common detector output pulse signal scope is several dozens millivolts, but the multichannel pulse analyzer input pulse amplitude request is 1 - 15v, therefore the pulse linear amplifier must have the certain voltage gain, about ten times to several times
一般探測器輸出脈沖信號幅度為幾十毫伏，而多道脈沖幅度分析器輸入脈沖幅度要求為1 - 10v ，所以脈沖線性放大器必須具有一定的電壓放大增益，為數倍到上百倍。 -
To overcome these shortcomes, a interference - space - based blind adaptive mmse linear detector and the corresponding tracking algorithm based interference correlation matrix is proposed
為此，本論文提出基於干擾空間線性mmse盲自適應多用戶檢測器及其相應的基於干擾自相關矩陣c _ 1跟蹤演算法。 -
In this paper, a new interference - space - based blind adaptive mmse linear detector and the corresponding tracking algorithm based interference correlation matrix is proposed for mai in cdma wireless celluar communication system. analysis and simulation illustrate that the proposed blind multiuser detector has lower computational complexity, faster convergence and stronger robust with respect to imprecise knowledge of the received signature waveform of user of interest
圍繞著cdma無線蜂窩移動通信系統中的多址干擾（ mai ）抵消問題，本論文在現有盲自適應多用戶檢測技術基礎上，提出了一種新的基於干擾空間線性mmse盲自適應多用戶檢測器及其相應的基於干擾自相關矩陣c _ 1跟蹤演算法。 -
Experimental results verify the theoretical performance analysis and show that the performance of the local optimum detector is better than that of the linear correlate detector
實驗驗證了圖像水印檢測理論的有效性以及本文的局部優化檢測器性能的優良性。 -
According to the practical need, the paper put forward a new nonuniformity correction algorithm - adaptive linear subsection interpolation correction algorithm, which is the expansion of two - point correction algorithm. the approach is not only achieved the nonuniformity correction in large dynamic range, but also eliminated the effect of temperature excursion of detector responsibility on nonuniformit y correction
根據實際需要，提出了一種自適應濾波分段線性插值的非均勻性校正演算法，它是兩點校正演算法的擴展，不僅具有較大的動態范圍，而且可以消除由於探測器響應特性溫漂現象對非均勻性校正的影響。 -
First of all, by establishing the observation model of complex harmonic signal and complex linear chirp signal respectively under the co - jamming of additive and multiply noise, the paper constructed cyclic moment detectors of different orders, deduced snr expression of the detector through theoretic analysis, discussed the relation of detector performance and noise statistical characteristic. the curve of detection performance is obtained through monte carlo simulation test, proving the related conclusion derived
首先，論文分別以加性和乘性噪聲聯合干擾下的復諧波信號和復線性調頻信號為觀測模型，構造了基於不同階次的循環矩檢測統計量，從理論上推導出了檢測器的信噪比表達式，分析了檢測器性能與噪聲統計特性的關系，通過monte - carlo模擬試驗得到了檢測性能的曲線，驗證了推導的有關結論。 -
By posing the difference on mathematical models between blind detection and non - blind detection, we devise the sign correlation detector ( scd ) and the normalized liner correlation detector ( nlcd ) based on the laplacian distribution model and the local gaussian distribution model of the host signal respectively. a series of experiments in dct domain and dwt domain show that these two detectors are more robust than linear correlation detector ( lcd )
基於局部最優檢測理論得到了廣義高斯分佈模型下盲檢測器的一般形式?幅度一符號相關檢測器，通過計算幅度一符號相關檢測器相對于線性相關檢測器的漸進相對效率，建立了漸進相對效率與宿主信號形狀參數之間的關系，從理論上證實了幅度一符號相關檢測器的高效性。 -
The main works of the dissertation can be summarized as follows : 1. by exploring the model of ds - cdma systems, the performances of the decorrelating multi - user detector and minimum mean square error ( mmse ) multi - user detector are studied. further, the performances of blind adaptive mud and adaptive mmse mud ( lms style ) with fixed step size and varied step size respectively are studied based on mmse linear detect algorithms
本文主要研究次最優的線性多用戶檢測技術，工作具體如下：從ds - cdma系統模型出發，研究了解相關多用戶檢測器和mmse多用戶檢測器的性能，並以mmse線性檢測技術為基礎，研究了變步長和固定步長的lms - mmse自適應多用戶檢測器和基於最小輸出能量準則的盲自適應多用戶檢測器。
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