filter effectiveness 中文意思是什麼
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Conclusion because of its safety and effectiveness, implantation of ivc filter under the guidance of color doppler ultrasound and embolectomy should be promoted
結論彩色多普勒超聲引導下腔靜脈濾器植入術簡便、安全、經濟、有效，聯合手術取栓對于急性下肢深靜脈血栓治療效果明顯。 -
The tests demonstrate the effectiveness of this filter on both synthetic data and practical data that are obtained in the area of low latitude of south china sea
在我國南海低磁緯度地區實測磁異常的計算解釋中，應用該化極方法，取得了良好的效果。 -
The method combining digital filter and ship - dynamic compensation is used to realize the precise motion - target tracking on the condition of ship - motion which causes the target relative motion and the results coming from real system test prove the effectiveness
針對甲板運動所造成的目標的相對運動和牽連運動，採用數字濾波與動態補償相結合的方案，實現了艦船搖擺情況下跟蹤雷達對運動目標的精確跟蹤，並經實踐驗證后裝備于某型跟蹤雷達。 -
The method that increases the attitude accuracy of strapdown inertial attitude and heading reference system ( siahrs ) with the infromation from inertial measurement unit ( imu ) its own is studied. according to the design idea of damping network in platform type, damping kalman filter in siahrs is designed to enhance the attitude accuracy via integrating attitude calculated by common siahrs and that estimated by accelerometers. in order to evaluate the effectiveness of damping attitude, the vehicle ' s movement should be detected in real - time. for this reason, the state chi - square test is employed in the damping kalman filter, and the failure detection vector are tested, which improves the sensitivity and reliability of failure detection. finally, static and dynamic experiments of actual system demonstrate the effectiveness of the proposed method
本文探討了如何利用慣性測量組合本身的信息來提高捷聯航姿系統的姿態精度.根據平臺式阻尼網路的思想，設計了捷聯式內阻尼卡爾曼濾波器，將慣導系統捷聯解算獲得的姿態與加速度計估計的姿態進行組合，在系統非加速度狀態下，提高了姿態輸出的精度.為了實時監測系統的運動狀態從而判斷內阻尼姿態的有效性，本文成功將狀態2檢驗法應用在內阻尼卡爾曼濾波器中，設計了基於2個狀態傳播器的故障監測器，並通過對故障檢測向量元素的檢驗代替對整個向量的檢驗，提高了故障監測的靈敏度和可靠性.最後，實際系統的動靜態實驗驗證了本文所提出的方法的有效性 -
Conventional detector ( single - user matched filter ) distinguishes each user by the crosscorrelation of their spread - spectrum codes. in practice, however, its performance is much deteriorated due to the existence of noise in channel and strong multi - access interference, i. e. near for effect. a new method using independent component analysis is proposed in this paper. the - received energy of signals is controlled effectively, thus the near - far effect is overcome as much as possible ; moreover, the effect that noise imposed on the detector is mostly reduced. simulations verify the effectiveness of this method
傳統檢測器（單用戶匹配濾波）利用擴頻碼之間的互相關特性來區分各用戶信號.而在實際應用中，通道噪聲和近距離用戶對遠距離用戶的強多址干擾即遠近效應，使得接收機的性能受到很大影響.本文將獨立分量分析法引入傳統接收機，有效控制接收信號的能量，從而極大地提高了接收機的抗遠近性能，同時噪聲的影響被盡可能消除.模擬結果表明了該方法的有效性和可行性 -
1 in the research of design of radar waveform, one kind of hybrid radar waveform obtained by combining the chirp waveform with the non - periodic pseudorandom sequences is discussed. through the theoretical analysis and computer simulation, several main characteristics of this kinds of hybrid waveforms are discussed, such as the ambiguity function, ambiguity graph, the spectrum, the weighting methods, the response of the processing filter and the low probability of interception. those are showing the effectiveness of the new hybrid waveforms on the performance of high resolution and low probability of interception
作者在以下幾個方面的研究工作中取得了進展及創新： 1 、在雷達波形設計中，介紹了一類新的線性調頻信號與非周期隨機編碼信號相結合的組合波形的組合形式，通過理論分析和大量的計算機模擬研究了這類組合波形的模糊函數（圖） 、頻譜特性、多普勒頻移特性、加權輸出特性、低截獲等方面的特點，證明了新型的組合波形在高分辨、低截獲等方面的有效性。 -
The first issue that is discussed in this research for grid - connected converter is the design and analysis of the interface between conversion system and power grid. the lcl filter topology is adopted due to its advantages compared to lc filter such as smaller inductor size, good dynamic response, compactness, cost - effectiveness and
與lc型濾波器相比， lcl型濾波器的優點在於所用電感的體積較小，系統具有更好的動態性能，並且濾波器緊湊，性價比較高，具有較好的thd和emi抑制能力。 -
The butterworth wavelet filter with good magnitude - frequency characteristics is adopted to process the vortex flow signal, and the fundamental frequency of signal is estimated effectively. the algorithm is implemented in a digital signal processing system based on a tms320vc5409 dsp chip, and its effectiveness is proved
採用幅頻特性較好的iir型butterworth小波濾波器，處理渦街流量信號，估計基頻，並在以tms320vc5409為核心的渦街流量計數字信號處理系統上實現，證明其方法的有效性。 -
In this thesis, passive location algorithms based on particle filter are discussed and monte carlo experimental results prove effectiveness of those algorithms. regarding different scenarios the following part of the thesis is arranged as follows. in the first chapter, background and current situation in location and tracking are briefly introduced
本文研究利用粒子濾波技術實現基於測向信息的單站無源定位的技術，並在此基礎上融合距離信息后，提出一種快速的無源定位粒子濾波演算法，通過計算機模擬，驗證了該演算法的有效性和優越性。
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