phase amplitude characteristics 中文意思是什麼

phase amplitude characteristics 解釋
相位一振幅特性
  • 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，...
  • 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。
  • characteristics : 產品性能描述
  1. 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。
  2. Most modern radars are a high resolution system, which uses amplitude and phase information to achieve main function. in order to evaluate the performance of a radar, the radar simulator, as an important part of a radar verifying system, must possess good characteristics, and its output signal must have high stability and accuracy

    雷達模擬器作為驗證雷達性能的重要設備它的研製與開發也成為我軍裝備現代化的重要課題。為了逼真的模擬實戰情況，雷達模擬器必須提供穩定的大動態、高精度的信號。
  3. This article analyses the signal characteristics of several typical cw radars, and presents the principle and application of doppler radar. as one focal point, this article researches the generation and math characteristics of pseudorandom code modulated signal, analyses the spectrum of pseudorandom code phase modulation radar signal, and presents this kind of signal ' s application in distance and speed measurement. this article also researches the application of mono - pulse amplitude comparison radar in angle measurement finally, this article elaborates the working process of crs in uast

    本文分析了幾種典型的連續波雷達信號的特性，介紹了多普勒雷達的原理和應用；研究了偽隨機編碼信號的產生和數學特徵，著重分析了偽碼調相連續波雷達信號的頻譜，及其在雷達測距、測速方面的應用；研究了單脈沖幅度比較體制在雷達測角中的應用；最後，闡述了超近反導系統中復合體制雷達的工作過程。
  4. It also builds the mathematic model of all section of vscf ac exited wind power generation system on a - b - b and d - q coordinate system by the coordinate commutation technology. the thesis gives the characteristics of torque, active power, reactive power and the steady - state analysis of it. it proves that the capability of wind generator is determined to slip, the amplitude and phase of rotor voltage, the phase dispatch between stator voltage and rotor voltage

    並分析了交流勵磁風力發電機作變速恆頻運行時的工作原理，闡述了與同步發電機、異步發電機的不同之處，分析了其能量平衡關系，在坐標變換技術的幫助下，詳細推導了交流勵磁發電機在a - b - c坐標系和d - q坐標系下的數學模型，分析並模擬了其有功和無功特性、轉矩和功率調節特性、穩態運行和機械特性，證明了發電機的性能由轉差率、轉子電壓的相位和幅值、定轉子電壓相位差所決定的。
  5. The fundamental theory and equations for the pressure fluctuation are described and the wall pressure fluctuation is measured. based on the experiment data, the characteristics of pressure fluctuations are analyzed in the three - phase flow of water, air and sand. the effects of air concentration and sediment content on the amplitude and frequency of pressure fluctuations are discussed

    建立了多相流壓強脈動基本方程，闡述了水流脈動壓強基本理論，分析了壓強脈動機理；根據試驗數據，探討了水、氣、沙三相流體的壓強脈動特性，初步得到了高速含沙摻氣水流脈動壓強的幅值特性與頻域特性；提出了脈動壓強強度系數、脈動壓強極差系數與含沙量、摻氣濃度的關系。
  6. In order to reflect the characteristics of amplitude increase and frequency changing of seismic signal, a new automatic recognition method of seismic phase is developed based on the instantaneous amplitude and instantaneous frequency

    摘要為了充分反映地震信號振幅增大和頻率改變的特徵，發展了一種以振幅和瞬時頻率比乘積為特徵參量的震相自動識別方法。
  7. The authors use a ultrasonic transducer emit ultrasonic to simulated seabed tiny terrain, then analyze and calculate the relativity of amplitude according to the time, phase and amplitude etc included in echo signal and making using of the relativity of amplitude characteristics, at last gain the real - time altitude data of tiny terrain for deep - sea cobalt crusts mining in order to provide the parameter of best cutting depth for the intellectualized mining of excavating head

    摘要通過超聲波換能器向模擬海底微地形發射超聲波，根據回波信號包含的時間、相位和幅度等信息，利用幅度特徵相關性進行分析和計算，得出深海鈷結殼開采所需要的實時微地形高程數據，為採掘頭智能化開采提供最佳切削深度參數。
  8. A mathematical model in the grinding technology of explosion - proof surface is worked out to find out vibration characteristics, amplitude and phase, and educe the relation curve between shape error and technical parameter

    進而討論箱體零件加工工藝過程誤差轉換模型、形狀精度特徵、傳遞圖、描述方程、誤差轉換結構圖；提出防爆面磨削工藝系統的數學模型；求解出振動特性、幅值和相位，得出了形狀誤差與工藝參數的關系曲線。
  9. So we setup a test system to generate burst mode optical signal, to simulate the feature of amplitude and phase disproportion of the burst mode signal, and at the same time it can change the relevant data when needed. the burst mode optical signal generators are used to simulate the upstream transmitting and receiving process, and detect the characteristics of the transmitter and receiver module. only use this method, the indexes measured can satisfy the requirement of the real system

    因此在研究突發光模塊的過程中，就需要建立一套測試系統來產生突發光信號，模擬出突發信號幅度和相位不均衡的特點，同時還要能夠根據需要改變相關的數據，通過突發光信號模擬產生系統來模擬pon上行信號的實際發送和接收過程，以檢測發射模塊和接收模塊的性能，只有這樣測出的模塊指標才能滿足實際系統的要求。
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