相位波 的英文怎麼說

中文拼音 [xiāngwèi]
相位波 英文
t-phase t
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 相位 : phase position; phase
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念,並以加速度模糊函數為分析工具,詳細討論了加速度對線性匹配濾器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優參積累時間的約束關系以及線性匹配濾器輸出受加速度影響的容限等問題。
  2. Superficially it is quite safe to phase advance an accelerometer signal as the error signal has been filtered by the servo and the alrframe transfer function.

    從表面上看,因為誤差信號已被伺服機構和彈體傳遞函數濾,所以讓加速度計信號經超前網路是不會有問題的。
  3. Effect of beat frequency on the measured phase of laser - diode heterodyne interferometry

    調頻合成外差干涉檢測非線性分析
  4. 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,採取時間門的處理方法。
  5. As a result, the electromagnetic field intensity is changed accordingly and fluctuating current in the damper coil is created. damping force is mostly produced because of the phase difference between fluctuating current and displacement of rotor. the formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results

    通過分析發現電磁阻尼器線圈內由於轉子渦動時變化的磁場而產生的動電流與轉子移間的差是產生阻尼的主要原因,推導了動電流、阻尼系數的計算公式,並通過實驗展示了被動式電磁阻尼器的阻尼效應。
  6. If one wants to retrive the encryping datable or she must know the phase keys and wavelength keys simultaniously, otherwise, the reconstructed data will be white noise like

    要想得到存儲信息必須同時知道匙和長匙,否則得到的數據將是一白噪聲系列。
  7. The one - half wavelength out of phase caused by the specimen itself enables this light to cause destructive interference with the direct light when both arrive at the intermediate image plane at the diaphragm of the eyepiece

    這種由標本產生的半個長的差的光線與直射光同時到達於目鏡光欄的中間像面時會產生消的干涉。
  8. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三電壓、三電流的有效值、功率因數、三不平衡、電壓短期閃變、以及20次內的諧、諧、諧失真總量等的測量。論文重點介紹了以下幾部分: ( 1 )電路的總體設計和功能; ( 2 )硬體設計,包括a d轉換、鎖環、液晶顯示和按鍵輸入等原理和電路。 ( 3 )系統軟體設計,包括a d轉換、 fft 、數字濾等程序的原理和演算法以及上機監控界面的設計; ( 4 )系統測試。
  9. Chapter 3 discusses the modules used in the fh - mpsk and fh - / 4dqpsk systems. these modules include : duc / ddc ( digital up converter / digital down converter ), nyquist flitter, burst start detection, interpolation module, pll ( phase locked loop ), pll error extraction, initial phase correction and the coding and decoding for tcm

    第三章主要討論了跳頻模式下fh - mpsk和fh - 4dqpsk系統中各個模塊的設計,這些模塊包括:上下變頻器、奈奎斯特濾器、信號到達檢測、插值模塊、通用環路、各環路誤差提取方法、初始校正和tcm編譯碼。
  10. Secondly, this paper illustrated the nonlinear phase dynamic theory of the aia array and the application of it to power - combining and beam - scaning technique. according to these theories, the coupling parameter of nearest neighbors was found by experiment, then the two - element and three - element aia array were designed, and the result of measurement was in agree with that of the nonlinear phase dynamic theory, and the beam - scaning of two - element array was realized by tuning the free oscillation frequency of the elements

    其次,本文討論了有源集成天線陣列的非線性動態理論以及它在功率合成和束掃描方面的應用,包括同步工作條件、穩定條件和動態方程等,通過實驗確定了陣列中鄰單元間耦合參數,並將之運用於有源集成天線二元陣和三元陣的設計,實驗結果與理論結果吻合較好。
  11. First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array

    首先以單脈沖控陣天線測角原理為基本理論出發點,利用控制的坐標分離技術,基於線陣、圓形陣等簡單形式的控陣天線,推導了平面陣、圓柱面陣等控陣天線由量化誤差引起的束指向誤差公式。
  12. The imposition of a curved phase characteristic reduces the peak amplitude of the waveform.

    曲線形特性減小了形振幅峰值。
  13. According to this, the phase - matching conditions, effective nonlinear coefficients, acceptances of angle and wavelength for biaxial " crystals have been discussed in detail. thermal lens effect is an important factor which affects the quality of laser beam and the amount of output power

    實驗上,採用了雙軸晶體lbo作為倍頻晶體,因此對雙軸晶體匹配、有效非線性系數的計算、允許角、允許長給出了較完整的分析。
  14. In this paper, a new technique is proposed for rotation, scaling and translation invariant image watermarking based on log - polar mappings and phase - only filtering

    該文的研究工作和貢獻是:基於對數極坐標仿射lpm和器pof ,提出了一種不受旋轉按比例縮放和移rst影響的數字圖像水印技術。
  15. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式( 16qam和4 - qpsk )進行了模擬工作並給出了模擬結果,同時討論了碼元同步定時誤差對鎖環路工作的影響並根據流星通信中使用變速率傳輸時鎖環路的載同步性能進行了測試;然後在基於軟體無線電思想的數字處理平臺(該數字處理平臺實現了中頻數字化)上用dsp軟體完成了載跟蹤。
  16. There is great change of negative current component when it happens the line - open fault. it is marked as the occurrence of the fault. and it can be concluded the phase characteristic of negative current in the line. in the transient course, there are plenty of harmonics in the fault line. through the transient analysis, it is drawed that the amplitude of each harmonic in fault phase is greater than other phases. harmonic current in fault line is far greater than other normal lines

    發生斷線故障以後,線路中會出現負序電流的突變,可以作為故障啟動判斷的標志,並且通過分析得出了故障時負序基電流的特點。在故障暫態過程中,故障電流中含有大量豐富的諧成分,各次諧在故障期間有突變,並且衰減很快。
  17. On the other side, we use the method of optical formation process to introduce two fundamental filtering function in frequency domain of coherence system of awg two optical processors are designed, that is optical signal add / minus and phase filter

    另一方面,運用光學信息處理方法,我們探討了awg型干系統頻譜區兩類基本的濾函數的引入,設計了兩種光信號處理器:光信號加減器以及,濾器。
  18. On the basis of the analysis and compare, we designed the least length of s - bend y - branch to decrease the transmission loss when the space between the outport is 250jjm. we also analyzed thoroughly dependence of half - wave voltage and bandwidth on the width, the length of modulator ' s electrodes and the gap between two electrodes

    對于調制器的電極本文也進行較為深入的研究,探討了電極寬度、電極長度、電極間距對半電壓的影響,並據此對單y調制器的電極結構進行了優化設計。
  19. Surface transverse wave has the 1. 6 high frequency than rayleigh type surface acoustic wave ( using the same technology the frequency of devices of stw has about 1. 6 high frequency than rayleigh type surface acoustic wave ). the paper introduces the theory, design parament, technology and result expeiment of surface acoustic wave ( includes rayleigh surface acoustic wave and surface transverse wave, simple stw ) with low insertion loss, high q and researches the high frequency, low phase noise oscillator with 1ghz stw resonator as frequency element. and describes measurement method and finally experimantal result of the low phase noise surface acoustic wave oscillator

    本文研究了以低損耗、高q值聲表面(其中包括聲表面瑞利- - rayleighsurfaceacousticwave ,和聲表面橫等)諧振器的工作原理、設計參數、製作工藝及其實驗結果,並且研究了以1ghzstw諧振器為頻控元件的高頻率、低噪聲聲表面振蕩器,以及低噪聲聲表面振蕩器的測試方法和最終的測試結果。
  20. Advantages, disadvantages and limits of arm are thoroughly examined using signal processing methods. based on the above, incoherent and coherent two - point - source decoy methods and modified coherent two - point - source decoy methods to deflect arm are brought forward. arm ’ s homing heads are generally of mono - pulse structure, so coherent two - point - source ’ s interference resembles that to mono - pulse radar except that interference to radar belongs to far field scope, but interference to arm varies from far field to near field because relative distance drastically changes between the homing head and the two - point - source with missile ’ s homing head continually approaching the target

    Arm的導引頭一般為單脈沖體制,因此,干兩點源對導引頭的干擾類同於對單脈沖雷達的干擾,不同的是:對雷達的干擾都是遠場,而導引頭隨著導彈不斷接近目標,兩點源與導引頭的置發生劇烈變化,由遠場變化到近場;導引頭天線口面上的合成場也發生了大的變化,相位波前的畸變產生干擾,這就是干兩點源誘偏的基本思想。
分享友人