檢波的 的英文怎麼說
中文拼音 [jiǎnbōde]
檢波的
英文
detective-
In order to reduce this interference, several methods have been proposed and tested, in which adaptive filter is more abstractive
分析了手機對心電檢測的影響及消除辦法。重點介紹了自適應濾波的效果。This leads us to the concept of arrays of detectors.
這就導致檢波器組合的概念。An electromagnetic wave of audio frequency produced by atmospheric disturbances such as lightning, having a characteristically decreasing frequency responsible for a whistling sound of descending pitch in detection equipment
嘯聲干擾一種由於諸如閃電等大氣干擾而產生的音頻電磁波,具有典型的逐漸減弱頻率的特徵,該頻減引起了檢波設備中調逐漸下降的嘯聲The optimum design of detector arrays for the attenuation of surface waves and of ambient noise is a complex subject.
為衰減面波和外界噪聲作檢波器組合的最佳設計是一件復雜的事情。In the blue print of the analog, author utilize the big dynamic vga to realize the if amplifier and use the audion to carry out the 80db agc, through the improvement of the traditional detect circuit, extend the dynamic range of the detector
在模擬方案中,筆者採用了大動態的vga實現中頻放大;利用三極體檢波實現了80db的agc控制;通過對傳統二極體檢波電路改進,提高了檢波器的動態范圍。Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used
通過對差頻信號進行的分析,得出了差頻相位的具體表達式,表現出了要檢測的各量的物理意義,對檢測的方法提供了理論依據。利用二維fft方法,可以有效地提取回波中目標的距離與速度信息。對于fmpcw信號由於均勻脈沖產生的周期性距離模糊的問題,採取時間波門的處理方法。Research on dynamic characteristic of eddy acceleration geophone
渦流檢波器動特性的研究These currents become the source of new electromagnetic waves which can be detected by suitable pickup coils.
這些電流成為能被合適的拾波線圈檢測的新的電磁波源。In this article, considering the character of the one - dimensioned continuum and the cross - section, the varied quotiety of the strain can be presented as the mode function to identify the damage. and inversion of the elastic wave is presented to detect the injures when the area is the variable of the inversion, for the pip usually buried under the earth or enwrapped into the protection make the detection difficulty by the mode of vibrancy. the influence of the area must be considered if the exactness is the pre - requisition
在論文中,考慮到壓力管道的一維性質,提出用應變模態改變變化率的方法對一維的結構進行損傷識別;同時考慮到在實際的工程和現場測試中,壓力管道大多深埋在地下或者有外在的保護膜,不宜進行模態的檢測,所以也考慮利用彈性波的方法對壓力管道的性質參數和截面性質進行反演識別,從而得到我們感興趣的東西,達到損傷識別;一般,在利用彈性波反射方法進行損傷檢測中,不考慮截面效應對彈性波的衰減影響,這就對損傷檢測造成一定的影響,本文考慮截面效應的影響,通過實驗來確定截面效應系數。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。On robust and precision measuring an eddy acceleration geophone
渦流檢波器的穩健精密測量Time - domain method for vortex - geophone ' s parameters test
渦流檢波器參數測試的時域方法研究Study of hd - js eddy acceleration geophone
渦流加速度檢波器的研究Study on the temperature influence on parameters of a geophone
地震檢波器的參數受溫度影響的研究Then the arlpm detection algorithm from the different spectral width of sea clutter and growlers based on ipix sea clutter returns " ar spectrums estimate is been derived, and the roc curves are been drawn
接著基於ipix雷達實測回波的ar譜估計,根據雜波和目標的譜寬不同得到arlpm檢測演算法,並畫出了該演算法的roc曲線。4. in data acquisition system, the application of phase - locked and synchronous detection reduce the cost of the whole system and improve the sensitivity. carrier signal and modulation signal achieve entirely synchronous too
數據採集系統採用鎖相技術、同步檢波的原理,降低了整個系統的成本,提高了靈敏度,並使得載波信號與調制信號完全達到同步。Realization of quadrature coherent detection by direct sampling of if signal
直接中頻采樣實現正交相干檢波的研究Radar if signal sampling and engineering implementation of digital coherent detection
雷達中頻信號采樣及數字相干檢波的工程實現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分享友人