高頻測量 的英文怎麼說

中文拼音 [gāobīncèliáng]
高頻測量 英文
high frequency measurement
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 高頻 : high frequency
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time. in order to improve the communication quality of the shortwave that depends on the ionosphere, we should have aknowledge of the current condition of the ionosphere in real time. the backscatter sounding of high frequency can diagnose the real - time channel characters for shortwave communication or hf radar, which is great assistant to shortwave communication and hf radar

    電離層是隨機時變，各向異性，非均勻、色散的復雜介質。為了保證依賴于電離層進行的短波通信質量，必須了解電離層的實時狀態信息。高頻返回散射探測可以實時監測與短波通信或高頻天波雷達相關的天波傳播通道的狀態，對短波通信和天波雷達工作起了重要的輔助作用。
  2. High frequency gusts are usually measured by high response research-oriented anemometers.

    高頻突風通常是用高速響應的研究性定向風速計測量。
  3. To eliminate the serious random noises which exist in the analog sigals, the frequency spectrum of the signals are analyzed, then several digital filteration arithmetics are compared with each other and the best is selected

    為消除測量信號中存在的比較嚴重的隨機干擾，在對測量信號作頻譜分析的基礎上，比較了幾種數字濾波演算法的處理效果，進一步提高了測量精度。
  4. An extracting method for high frequency components of abnormal intra - qrs of ecg signal

    復合波內異常高頻分量的檢測
  5. The development of an extracting method for high frequency components of abnormal intra - qrs of exercise ecg signal

    復合波內的異常高頻分量的檢測方法研究
  6. The approximate part get rid of high frequency through the filter, so it can detect the edge which the original image can ' t detect

    經濾波后近似部分去除了高頻分量，因此能夠檢測到原圖像所檢測不到的邊緣。
  7. In the software design, we used the window function to improve the resolution of the spectrum, then improve the precision for measurement

    軟體方面介紹了基於快速傅立葉變換原理的測相方法，並結合窗函數來提高頻譜的解析度，從而提高了測量的精度。
  8. Comparing with the traditional phase - shifted laser range finder, the method could implement the ranging with multifrequency by using single modulated frequency. it could not only solve the contradiction of the range and the precision, but has high degree of accuracy and wide range, simplify the hardware design, and reduce the cost. this paper introduced the theory of phase distance measurement, analyzed various testing methods and expatiated the hardware and the software for the proposal system

    與傳統的相位法測距相比，本方法使用單調制頻率實現了多頻測距，有效地解決了相位法測距中測程與測量精度之間的矛盾，具有高精度、大量程、大噪聲容限的特點，而且簡化了硬體設計，降低了成本；其次在數據處理中採用數據加窗函數的方法，提高了方波信號的頻譜解析度，進而提高了測量的精度。
  9. Recent studies have shown that the quantum coherent population trapping, electromagnetically induced transparency, index enhancement without absorption, etc. these new effects have great potential for the control of the coherence properties of a medium, the production of high frequency lasers, the information storage and high precision measurements

    最近的研究表明，原子相干產生很多新的效應，如相干布居捕獲、無反轉激光、折射率增強、電磁誘導透明、電磁誘導吸收等。這些新效應對光學介質相干性質的控制、高頻激光的產生、光信息存儲和高度測量等方面具有巨大的應用前景。
  10. Recent studies have shown that the quantum coherence and interference have led to a lot of new effects such as coherent population trapping, electromagnetically induced transparency, index enhancement without absorption, etc. these new effects have great potential for the control of the coherence properties of a medium, the production of high frequency lasers, the information storage and high precision measurements

    最近的研究表明，原子相干產生許多新效應，如相干布居捕獲、無反轉激光、電磁誘導透明、折射率增強等。這些新效應對光學介質相干性質的控制、高頻激光的產生、光信息存儲和高度測量等方面具有巨大的應用前景。
  11. The double - frequency laser interferometer belongs to the heterodyne interferometer. it has been proved that this kind of interferometer possesses the advantage of having a higher transform gain, better wave - filter capacity and high spatial resolution. furthermore, this kind of interferometer can filter out background light interference and obtain a measuring signal with high signal / noise ratio

    雙頻激光干涉儀是一種外差干涉儀，理論分析證明：外差干涉具有高的轉換增益、良好的濾波性能及優異的空間鑒別能力，能有效地濾除各種背景光干擾，得到信噪比很高的測量信號。
  12. The phase detecting error caused by local oscillator frequency drift and non - synchronization of measurement signal and gate signal is eliminated and the measurement speed is improved at the same time

    該方法可以有效的消除因本振信號頻率漂移及閘門信號與被測信號的非同步引起的測相誤差，同時提高了測量速度。
  13. The circuit suit for long - distance transmission and monitoring and has high precision and anti - jamming characteristic. it measures the frequency by pci card which is base on the method of multi - period synchronization

    應用電容-頻率轉換的數字化測量方法具有較好的抗干擾效果和較高的測量解析度，適宜於遠距離傳輸和監測。
  14. So the range finding system can maintain a high resolution at low frequency. therefore it can decrease the difficulty of design and the cost

    時間線性展寬技術可以在較低的工作頻率下實現較高的測量精度，從而降低了電路的設計難度和成本。
  15. A high - resolution method for frequency measurement is strongly introduced in the paper, which is aim at detecting the frequency of regular and binary phase coding modulated pulse signals with high frequency precision. considering the popularity of linear frequency modulated ( lfm ) signal in electronic systems, this paper then referred a radon - stft arithmetic to calculate the carry frequency of lfm signal. both of these methods referred above are implemented in the signal if detection software

    針對常規脈沖調制信號和脈內二相編碼調制信號，本文提出一種高精度的數字化測頻方法，以提高信號載頻測量精度;線性調頻信號作為一種典型的非平穩信號在各種領域應用十分廣泛，但對其載頻的數字化測量比較困難，本文利用圖像處理中的radon變換與信號時頻分析中的線性變換相結合的演算法來完成對其載頻的測量。
  16. We should pay attention to the elimination of error in the measurements, for example the exerting of " window " and " double windows ". for exerting of the rapidity of measurements, we exerting the developed arithmetic interpolate in the measurements, the interpolate exerting for the digital oscillograph, the rapidity of measurements is improved more and more

    比如泄漏問題和柵欄問題，以提高測量的精度；在開發頻譜分析的同時，注重測量過程中的誤差消除，比如窗體、雙窗法的運用；為了進一步提高測量的速度，我們運用了現在發展比較成熟的內插演算法，將內插演算法運用到數字示波器上，大大提高了測量速度。
  17. The applied of demodulation with esa is advanced with which diagnosis precision has been improved, and real time diagnosis and accuracy ratio are satisfied on bearing production line. automatic classification model using integration of adaptive wavelet transform network and self - organizing feature map network is introduced. the strong suits of wavelet and neural network are made use of in this model and bearing fault classification is realized automatically

    第三章提出了一種自適應小波變換網路與自組織特徵映射網路（ self - organizingfeaturemapnetwork - somn ）集成的故障自動分類模型，該模型把小波的時頻局部化優點與神經網路的自學習、非線性映射能力有機結合起來，把高維測量空間中的非平穩信號復雜信息映射到易於分類的二維空間，實現了軸承故障自動分類。
  18. Owing to the use of ac square wave with little amplitude value, the effect of polarization is depressed. the frequency can be adjusted continuously, so. the effect of the double electricity capacitance is depressed too. and the measurement is not affected by the amplitude values of the ac square waves using rule of three in computation, so the precision is promoted

    由於使用交流方波，且幅值很小，將極化效應影響降至最低。又由於頻率連續可調，雙電層電容的容抗可降至最小。在求解過程中，測出交流方波幅值和直流量進行比例運算，消除了交流方波幅值對測量的影響，進一步提高了測量精度。
  19. Comparing with the conventional methods using equipments, this approach is simple, efficient and precise and precise and can be realized easily

    與傳統的藉助于硬體測量頻率穩定度的方法相比，此方法靈活簡單，可達到較高的測量準確度，容易實現。
  20. The automatic tracking of sampling frequency to fundmental frequency is realized by adaptive sampling in order to improve the accuracy of measurement

    採用自適應調整采樣間隔技術實現頻率跟蹤，提高了測量精度。
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