amplitude-phase error 中文意思是什麼

amplitude-phase error 解釋
幅相誤差
  • 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,...
  • error : n. 1. 錯誤;失錯。2. 謬見,誤想;誤信;誤解。3. 罪過。4. 【數學】誤差;【法律】誤審,違法;(棒球中的)錯打。adj. -less 無錯誤的,正確的。
  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. Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented

    模擬和實驗結果表明該方法的主要優點有:不需使用乘法器進行信號調制,調制信號採用與電網電壓同步的優化特定脈沖,其檢測精度只與同步相位有關,而與電網電壓幅值無關;降低了對輸入低通濾波器的通頻帶要求,直流和偶次諧波分量對檢測精度沒有影響;突出的優點是可以消除有限個低奇次諧波對檢測結果的影響。
  3. Concerning the problem of the frequency instability, slight but not negligible, in electric power system, this paper discusses the resultant error in measurement in detail and develops an error - correction interpolated algorithm in frequency domain. taking advantage of the high calculating speed of pc, the measurement error in frequency, amplitude, and phase are well eliminated

    本文針對電網頻率輕微但不可忽視的不穩定造成的測量誤差問題進行了詳細的討論,形成了一套在頻域實現誤差校正的方法?插值演算法,並利用pc機高速的數據處理能力軟體校正了各次諧波的頻率、幅值及相位。
  4. So power systems harmonic analysis is a significant aspect of power systems research. power system harmonic analysis was realized usually with fast fourier transform ( fft ), but the method exits spectrum leakage, and can not analyse all harmonic parameters exactly, such as frequency, amplitude and phase, in particular has big phase error

    電力系統諧波分析通常都是通過快速傅立葉變換( fft )實現的,但是這種方法存在柵欄效應和頻譜泄漏,使計算出的諧波參數即頻率、幅值和相位不準,尤其是相位誤差很大,無法滿足準確的諧波測量要求。
  5. Due to the existence of error of amplitude distribution and phase distribution in power dividers, the side lobe of azimuth pattern for this planar waveguide array is influenced, thus, the power dividers should be optimized

    由於該功分器存在著幅度和相位誤差,這些誤差對陣列的方位面方向圖的副瓣電平影響比較大,需要進行優化設計。
  6. In this topic, the error characteristic of resistance voltage sensor was analyzed in theory, by using electric circuit analysis, the reasons which affected its error were gotten. based on theory analyses, initial structure was designed. then by using fem ( finite element method ) of simple resonance field, several structures electromagnetic field was calculated, and their amplitude errors, phase errors, maximum of electric field intensity and frequency characteristic of amplitude error were contrasted

    本文從理論上分析了電阻式電壓傳感器的誤差,用電路分析法定性的研究了影響電阻分壓器誤差的因素;在理論分析的基礎上進行了電阻分壓器結構的初步設計;基於該設計,利用簡諧場的有限元方法進行了場的計算,比較了幾種結構方案的幅值誤差、相角誤差、最大場強值及其幅值誤差的頻率特性,從而得到一種最優方案;製作了分壓器樣機,並在本實驗室進行了實驗;最後,對電子電路部分進行了初步設計,並提出了抗干擾的措施。
  7. 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。
  8. With the combination of automatic amplitude balance approach, in this method, the accuracy of the phase measurement has been improved significantly. experimental results indicate that the maximum phase error is less than ?. 5 ? 5

    實際測試表明,改進后的時序測相方法對所有可能的被測相位的最大測相誤差小於1 . 5 。
  9. Amplitude - phase error

    幅相誤差
  10. This method link amplitude adjust with phase adjust together, and perform coordinate control. by the simulation principle, the ct error compensation can be realized through operational amplifier, integrate circuit, fet, and other electronic component

    這種方法將電流互感器的相位調整和幅值調整結合到一起,進行協調控制,運用模擬原理,並採用運算放大器,場效應管等電子器件實現了電流互感器的誤差補償。
  11. The results of the test demonstrated that the system has a good performance in the linearity, dynamic scope, isolation, coherence of the amplitude. the group delay of the upmixers is 2ns, which is better than other domestic manufactures. because the inconsistency between the isolation and the phase coherence, and the error of the test method, we haven ’ t gotten the good performance of the phase coherence. the next work is improving the restrain of the filter to the lo signal and the phase test methods

    在單路發射通道上,群時延達到了2ns ,優于國內很多產品。三路通道之間的相位一致性由於測試方法的誤差以及隔離度指標的牽引作用,我們不能調試達到非常好的在相位一致性指標,再下一輪的工作中必須提高濾波器對本振信號的抑制度,改進相位測試方法以達到指標要求。
  12. To understand the structure and the function of the programmable digital down - converter ( ad6620 ) deeply, to complete the design of the circuit and the hardware realization of the if digital orthogonal demodulation cell, to introduce the testing method and the testing results of the amplitude consistence error and phase orthogonality error of the output demodulation signals

    完成中頻采樣單元的電路設計和硬體實現,詳細介紹高速adc主要動態特性的測試方法和測試結果; 3完成中頻數字正交解調單元的電路設計和硬體實現,給出解調輸出i 、 q兩路信號的幅度一致性誤差和相位正交性誤差的測試方法和測試結果;
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