amplitude-phase 中文意思是什麼

amplitude-phase 解釋
幅度相位
  • amplitude : n. 1. 廣闊，廣大。2. 豐富，充足。3. （思想的）廣度。4. （天體出沒時偏離正東或正西的）角度距離。5. 【物，電】振幅。
  • phase : n 1 形勢，局面，狀態；階級。2 方面，側面。3 【天文學】（月等的）變相，盈虧；【物、天】相，周相，...
  1. The time - scale amplitude plot and phase plot based on hermitian wavelet transform are presented to singularity detection of signal. the corresponding relation relation between singularity and amplitude plot or phase plot is created. as successful application, fault of axletree damnify is found by means of this method

    提出了基於hermitian小波變換的時間?尺度幅圖和相圖來識別信號奇異性的方法，建立了信號奇異點與幅圖和相圖的對應關系，在軸承損傷故障診斷中取得了成功的應用。
  2. The traditional analog frequency - sweeping instrument, which mostly uses the lc circuit as the frequency oscillator, is more expensive, too much bigger and heavy to carry. it can only display the curve of amplitude - frequency, but ca n ' t used to measure the phase - frequency, and ca n ' t used to print the curve of frequency response characteristic either. it brings many discommodity to the user

    傳統的模擬式掃頻儀大多是用lc電路構成掃頻振蕩器，它不僅價格昂貴，體積龐大，而且只能顯示幅頻特性曲線，不能得到相頻特性曲線，更不能列印被測網路的頻響曲線，給使用者帶來諸多不便。
  3. For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”

    本文主要開展了以下三項研究工作: （ 1 ） .用自定義編碼方案，將數字和字母（ ascii碼）轉換成二值條碼圖;對該圖形進行振幅型雙隨機相位加密變換，得到原信息的加密灰度圖;通過4f光學系統計算機模擬和列印-掃描實驗，證明本文提出的「矩陣擴展法」灰度圖具有較小的誤碼率，對於20次列印-掃描實驗，誤碼率不大於0 . 0026 。
  4. The spectrum characteristics of the phase truncation error and amplitude quantization error are analyzed by the method of fourier series

    文章最後還簡單介紹了幾種改善雜散誤差的方法。
  5. The imposition of a curved phase characteristic reduces the peak amplitude of the waveform.

    曲線形相位特性減小了波形振幅峰值。
  6. Because of its special antenna structure, testing the antenna ’ s performance is necessary to prove its theory. auto measurement system of cfa array annates can measure the annates ’ s amplitude - phase character and resistance matrix quickly and effectively

    艦載超視距雷達使用交叉場天線cfa （ crossedfieldantenna ）作為陣列天線陣元，由於其特殊的天線結構，對其特性的理論研究也需要測量數據來驗證。
  7. The major job is manufactured a transmitter, which has three upmixer channels. its function is to up convert the signals from c - band to ka - band. the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise, through 512 times multiply to ka band. this sysetem is used in the laboratory as transmitter source of the fuze, for the multidimensional objects in practise, which lead to the complexity of the reflect signal, so the amplitude, frequency and the phase of the transmit signals both have a key role in dealing with the reflection signals. therefore, this system requires for both the coherence of the single channel ’ s amplitude, phase and multi channels

    本文的主要工作是應用戶要求製作一具有三發射通道的上變頻系統，可以將c波段的微波信號上變頻到ka波段的毫米波信號。系統的本振輸入基頻由一相位噪聲非常好的低頻率晶振提供，經過512次的倍頻放大至ka波段。本系統作為實驗室中引信的發射源，由於目標反射信號具有時變的多維性，反射信號變得極為復雜，在信號處理時，不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。
  8. In this thesis, our work is focused on analyzing the effects of mutual coupling between elements of the thin dipole antenna array. the effects of mutual coupling on the antennas pattern synthesis and the amplitude - phase consistency of the input impedance of the uniformly - space liner array are presented. a new method that used the mutual coupling to synthesize the pattern is been given

    本文就是以此為出發點，將半波長細線對稱振子線天線陣作為研究對象，以分析天線陣列的互耦影響為核心，討論互耦對幾種方向圖綜合技術的影響，並從兩種不同的角度提出了對陣元互耦的校正方法。
  9. An atm term. carrierless amplitude / phase modulation with 64 constellation points

    異步傳輸模式術語。採用64點星座圖的無載波調幅調相碼。
  10. Both media with gain and loss as well as amplitude - phase scatterer are considered. a new functional expression is derived for predicting the hot - image intensity

    （ 3 ）對位相型、振幅位相混合型衍射物在理想介質、增益損耗介質中熱像形成的物理規律進行了研究。
  11. Finally, on base of analysis of amplitude - phase consistency, given a method to compensate the the amplitude and phase of the input to approach the ideal pattern

    最後通過對天線陣幅相特性的觀察分析，提出了一種利用陣元互耦引起的陣元幅相差異來得到所需方向圖的新途徑。
  12. We discussed the main characteristic parameters of seismic kinesiology and dynamics of mine engineering fracture zone, including relative amplitude, phase time of wave crest, similarity factor, principal frequency band energy, 3 - d space time gradient and coherent coefficient et al., and puts forward the processing method of 3 - d seismic characteristic parameters about denoise - smoothing, generalization, correlation analysis, characteristic transformation ; and presents the method of pattern recognition of mine engineering fracture zone

    摘要本文從時間域、頻率域、三維空間域介紹了礦山工程裂隙破碎帶主要的地震運動學、動力學屬性參數，包括相對振幅、波峰相位時間、相似系數、主頻帶能量、二維空間時間梯度和相干系數等，提出了礦山工程裂隙破碎帶三維地震屬性的去噪平滑、歸一化、相關分析、特徵變換的處理方法以及裂隙破碎帶的模式識別原理與方法，並用實例說明了該方法的應用效果。
  13. On the basis of this, a set of equations are derived to calculate the signal parameters ( frequency, amplitude, phase and the rate of attenuation )

    在此基礎上對電力信號的等時間采樣值建模，由此獲得了上述信號參數（如頻率、幅值、相位、衰減速率）的計算方法。
  14. Ground penetrating radar or georadar, is a new no destroying detection instrument with rapidly developing in recent years. it is applied to engineering, environment, archaeology and other aspects. data processing ' s theories and methods are one of the key aspects in gpr researching, because these are useful to picking up parameters in reflection wave including amplitude, phase, frequency and so on

    數據處理（包括濾波、反褶積、偏移等）是gpr的研究重點之一，其目的是壓制隨機的不規則的干擾波，以最大可能的解析度在探地雷達剖面上顯示反射波，提取反射波的各種有用參數（振幅、相位、頻率等）來幫助解釋。
  15. The paper discusses the amplitude - phase consistency in uniformly - space antenna arrays, and given a new way to make use of the mutual coupling to obtain the pattern that we need

    在最後一章中，基於陣元互耦對方向圖的影響，從兩個不同角度，提出了對陣元互耦的補償方法。
  16. Amplitude - phase error

    幅相誤差
  17. 2. the amplitude - phase weight algorithm is studied in the virtual polarization, and its phase shift matrix is modified. an appropriate design project of virtual polarization is offered as well

    2 .研究了虛擬極化理論中的幅相加權演算法，修正了移相矩陣，給出了虛擬極化的工程化實施方案。
  18. Amplitude phase characteristic

    振幅相位特性
  19. The phase - conjugation wave is the wave time - reversed on the amplitude, phase and polarization with another wave

    相位共軛波是指在振幅、相位及偏振態三個方面互為時間反演的光波。
  20. Amplitude phase keying

    幅相鍵控
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