amplitude-phase characteristic 中文意思是什麼

amplitude-phase characteristic 解釋
幅度-相位特性
  • 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,...
  • characteristic : adj 有特性的;表示…特性的,…特有的。 Japan s characteristic art 日本特有的藝術。n 特性,特徵,性...
  1. 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。
  2. 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。
  3. 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波電流的相位特點。在故障暫態過程中,故障電流中含有大量豐富的諧波成分,各次諧波在故障期間有突變,並且衰減很快。
  4. It uses amplitude predistorter to recompose amplifier am / am characteristic and then to inverse, and uses phase predistorter to recompose am / pm characteristic

    該技術使用幅度預失真器擬合放大器的am / am特性並求逆,相位預失真器擬合am / pm特性。
  5. 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。
  6. According to the relational expression of torsional vibration of the measuring point on crankshaft and the excited moment of each cylinder of internal combustion engine ( ice ), the working condition of each cylinder was monitored and the fault of cylinder - scoring was diagnosed using the amplitude and phase characteristic of 0. 5 order torsional vibration

    摘要依據內燃機軸系測點扭振與各缸激振力矩的關系式,利用0 . 5諧次扭振的幅值與相位特性,進行內燃機各缸作功狀態監測和拉缸故障診斷。
  7. We give ptr ' s amplitude and phase signal of one dimension based on the theory of ptr, discuss the ptr ' s signal ' s frequency characteristic, and a method for measuring thermal diffusivity of opaque materials is introduced. then, we study on anisotropic materials " thermal conductivity, the temperature field and thermal conductivity tensor of anisotropic materials is theoretically deduced from the theory of ptr, and is proved by the experiment

    從光熱輻射理論出發,推導出一維情況下ptr信號的振幅和位相表達式,討論了光熱信號的頻率特性,介紹了一種用ptr技術測量不透明材料熱擴散系數的優化方法;接著研究分析了各向異性介質受調制激光束輻照下產生的光熱信號,在理論上推導出各向異性介質的溫度場以及熱導率張量並給予一定的實驗驗證。
  8. 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。
  9. Ds signal is twice modulated with the rapid pseudorandom noise sequence and the carrier. so it appears cyclostationary. in the field of spectral correlation, ds signals appears its characteristic as fallows : for the amplitude of spectral correlation, the information of carrier frequency and pn code rate are contained on the spectrum frequency equal to zero sheet, and also the pn code rate is contained on the sheet of spectrum frequency equal to carrier frequency ; for the phase of spectral correlation, the information of carrier initial phase is contained on the sheet of cyclic frequency equal to double carrier frequency

    Ds信號是經過高速偽隨機序列和正弦載波二次調制的寬帶信號,因此具有周期平穩特性,它在譜相關域表現為:幅頻特性在譜頻率等於零截面切片上包含了載頻和偽碼速率信息特徵,在譜頻率等於載頻截面切片上包含了偽碼速率信息特徵;相頻特性在循環頻率等於兩倍載頻截面切片上包含了載波初相信息特徵。
  10. This paper presents a model of cosine basis functions neural network based on bp algorithm, discusses the relation between the algorithm of neural network and amplitude - frequency characteristic about the linear phase fir filter, introduces the convergence condition of neural network algorithm, and studies the optimal design example about the high - order fir double - band - pass filters

    提出了一種基於bp演算法的正弦基函數神經網路模型及演算法的收斂條件,研究了該神經網路演算法與fir線性相位濾波器幅頻特性的關系,給出了高階雙通帶濾波器的優化設計實例。
  11. Then, by seismic numericac simulating of the buried hill surface and its internal phase and analysis of characteristic of wave - field, the wave - field charalteristic of the buried hill ' s surface is different to the characteristic of the buried hills " internal phase, and the change of amplitude and frequence is bigger than that of velosity which proves further that dynamical characteristic is more sensitive to fracture than kinetic characteristic

    進而通過潛山面和內幕地面地震記錄的數值模擬和波場特徵分析表明,潛山面和潛山內幕裂縫介質的波場特徵是不一致的,振幅和頻率的變化量大於速度的變化量,從而更進一步證明,對于裂縫的敏感性,動力學特徵優于運動學特徵。
  12. It can be used to measure the amplitude - frequency characteristic and phase - frequency characteristic of the unknown network, and give the real - time the transmission - characteristic measurement of the unknown network

    運用掃頻技術的頻率特性測試儀可以對被測網路進行快速的動態測量,得出被測網路傳輸特性的實時測量結果。
  13. In the thesis, we introduce the generation and characteristic of the unknown amplitude and phase errors of the responses of the antenna array, and the wcdma signal model for an antenna array is described on the basis of 3rd generation partnership project ( 3gpp )

    本論文分析了天線陣列誤差的產生原因及誤差特性,並結合wcdma第三代移動通信協議規范( 3gpp ) ,對存在天線陣列誤差的wcdma信號進行建模。
  14. Amplitude phase characteristic

    振幅相位特性
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