harmonic point 中文意思是什麼
harmonic point
解釋
調和點-
The prestress and harmonic response analysis method is used to study the unbalance response of a turbo - generator rotor and the displacement - frequency curve at a point of the rotor as well as the sress and strain at an appointed frequency are provided
摘要利用預應力及諧響應分析的方法研究了轉子的不平衡響應，得出在某頻率范圍內，轉子在指定點處位移對頻率的響應曲線以及在指定頻率處，整個轉子上的應力、應變響應的影響等。 -
One instance of simple harmonic motion is that of the projection on any diametre of a point which describes a circular path with uniform angular velocity.
當一質點以勻角速度作圓周運動時，則它在任意直徑上的投影的運動便是簡諧運動的一例。 -
The approximate computation method is used in float point computation of system ' s control algorithms on fixed - point dsp after comparing several methods in respect of running time and program space involved, which attains quick computation besides high precision and implements output voltaic with low harmonic and high control precision of frequency
通過從運行時間和佔用空間等方面比較在定點dsp上實現浮點數運算的幾種方法，並選擇了近似計演算法作為系統控制演算法浮點數運算的方法，在保證足夠計算精度的前提下達到計算的快速性，實現低諧波和頻率控制精度高的輸出電壓。 -
The point of common coupling ( pcc ) is a bus which connects the customer and utility. the research of harmonics and its components at pcc is a valid way to distinguish the responsibility between customer and utility and to manage the harmonic producer
公共耦合節點（ pcc ）是聯繫系統和用戶之間的那條母線，研究公共耦合節點處的諧波含量及其中的諧波成分是明確用戶和系統責任所在以及管理產生諧波用戶的一個行之有效的方法。 -
Therefore it is the sticking point for solving the problem about separating the duty to find methods by which the customer emission level can be accessed ( the voltage that a customer ' s harmonic current begets at the point of common coupling ) more accurately
由於劃分的依據主要由用戶與電力系統雙方發射的諧波電流在公共聯接點引起的電壓降的比例決定，因此，尋求對用戶諧波發射水平（用戶諧波電流在公共聯接點所引起的電壓降）的準確估計方法，成為了解決責任劃分問題的關鍵。 -
Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters
最後，提出了基於二元線性回歸的用戶諧波發射水平估計方法，該方法在假設公共聯接點諧波發射穩定的情況下，結合系統側戴維南等值與用戶側諾頓等值的電路圖，按照最小二乘法原理，利用電網各參數的復數關系推導關于系統側諧波阻抗的二元線性回歸方程，並根據諧波阻抗的估計值求取用戶諧波電流在公共聯四川大學碩士學位論文（ 2003 ）接點產生的電壓降。 -
The harmonic analysis method for computing force of end - point of variable cross - section beam when it does transverse vibration
計算變截面梁橫向振動時桿端力的調和分析法 -
Therefore, the power department and users are concerned aboui harmonic and reactive compensation. the power department usually manage compute and measure the electric net " s harmonic condition and connected or new - connected harmonic load. and need to measure the harmonic vol tage current in some electric net " point. then, by manual making an in - depth analysis and statistics on measured - data, it can reduce harmonic harm on public not to take some effective measures
電力部門通常在實際中，需要對電網的諧波狀況、已接入和新接入系統的諧波源負荷進行管理、計算及測量，需要對電力網路各點的諧波電壓、電流實際水平進行測試，然後對測試數據進行人工分析統計，並以此採取相應措施降低或減少諧波對電網的危害。 -
Some inevitable problems, encountered during harmonic measuring for a long time, were summed up, and a personal view at this point was brought forward
對長期從事諧波監測中遇到的一些不可迴避的問題進行了歸納，並就此提出了個人的觀點。 -
In chapter 5, by number value simulation calculation and experiment of one simple support beam, we will compare the magnitude of the coupling static and dynamic stress at each point on the girder under harmonic excitation, and so find conclusions such as : ( 1 ) there are so much correlations between structure damage and environmental effect and exterior excitation leads dominant effects in structure damage that we should consider static and dynamic stress together. ( 2 ) new intension design rules should be set up, according which the range of structure possible damage position should be estimated in advance
得到以下結論： （ 1 ）結構的破壞和環境的影響密不可分，外部激勵在結構破壞中發揮了重要的作用，應該將結構所受的靜力和動力一起考慮； （ 2 ）應該建立新的強度設計準則，並以此作為依據，對已知結構的可能損傷位置有預先的范圍估計，從而為損傷識別的準確定位提供理論依據。 -
It includes four criterions of locating fault point ? “ transient zero sequence current amplitude law ”, “ stable base wave zero sequence current phase law ”, “ stable seventh harmonic zero sequence current phase law ” and “ s injection law ”. pointing out how the law locate the fault point to minimal fault section by applying these criterions gradually. the law will not only make up the blemishes existing in current methods for single - phase fault location in small current grounding system, but also locate the fault point to minimal fault isolating unit on fault line
該方法通過將所包含的四個定位判據- 「暫態零序電流幅值法」 、 「穩態基波零序電流方向法」 、 「穩態7次諧波零序電流方向法」和「 s信號注入法」 -進行有選擇地遞進使用，不僅有效彌補了目前已有小電流接地系統單相接地故障選線的缺陷，更將故障定位在故障線路最小故障區段。 -
The main work includes : based on biot ' s dynamic consolidation equations, by the method of integral transform and matrix transfer, two - dimensional consolidation of layered saturated soils is studied. then, the general integral solutions of stress ( including pore pressure ) and displacement ( including fluid flow ) of any point were obtained under harmonic vibration loads according to staunch boundary condition. second, a program to verify the correctness of this dissertation is developed
主要工作有：本文根據biot平面動力固結方程，運用積分變換和矩陣傳遞的方法，研究了成層飽和地基的二維biot固結問題，根據下邊界為不透水基巖的邊界條件，獲得了地基表面作用簡諧振動荷載時，任意點應力（包括孔壓） 、位移（包括流體流量）的一般積分形式解。 -
To characterize the local discontinuity due to the crack, a rotational spring model is proposed to model the crack, on the basis, a method for crack identification is presented in this paper, which makes use of the driving - point mechanical impedance characters of the cracked beam stimulated by harmonic force
為了描述由裂紋引起的梁中波傳播的不連續特性，引入彎曲彈簧模型來模擬裂紋，並在此基礎上提出了利用梁結構驅動點阻抗特性的裂紋損傷識別方法。 -
Problem set 2 : continuum approximations of non - stationary random walks, random walk in a harmonic well, steps with fat tails, saddle - point asymptotics
問題2 ：非穩定型隨機漫步的連續極限，具調合井的隨機漫步，具備巨大尾部的漫步，鞍點近似解。 -
For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions
（ 3 ）深入分析了2d對稱性目標透視成像的幾何特點，將共點四線交比用於目標輪廓上的關鍵點的特性描述中；利用調和共軛關系，提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算法；利用交比關系構造了目標的形心不變量，提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算法；進一步利用3d不變量和2d射影變換，實現了一定條件下的對稱性目標的形狀恢復技術。 -
The approximate computation method is used in float point computation of system ' s control algorithms after comparing several methods in respect of running time and program space involved, which attains quick computation besides high precision and implements excitation voltage with low harmonic and high control precision of frequency
通過從運行時間和佔用空間等方面比較實現浮點數運算的幾種方法，並選擇了近似計演算法作為系統控制演算法浮點數運算的方法，在保證足夠計算精度的前提下達到計算的快速性，實現低諧波和頻率控制精度高的勵磁電壓。 -
This paper is based on the pingpong bridge field ground protection, it presents one point to ground protection scheme which include the self - checking method of switches. the two point to ground protection scheme presents self - adapting fault location warp criterion after evaluating the effect on the calculation of fault location made by the change of transient resistance in the process of bridge switch. in order to make up the shortcoming of location warp criterion, this paper presents a comprehensive scheme into which integrate the second harmonic criterion
本文針對乒乓式保護，結合開關自檢方法提出了完整的一點接地保護方案：在兩點接地保護方案中估算了開關切換過程中過渡電阻變化對接地點位置計算的影響，提出了故障位置偏差式兩點接地的自適應判據，為了彌補該判據的缺陷，提出了結合二次諧波輔助判據的綜合方案。 -
As an example the main cable of the tsing ma suspension bridge is considered. the free vibration frequencies and the dynamic response under a harmonic point load are determined
作為算例，對香港青馬懸索大橋的主索進行了計算，求得了索的固有振動頻率以及索在簡諧荷載下的動力響應。 -
The rate of a process is based upon the energy barrier required to cross the corresponding saddle point, and a harmonic prefactor
越過馬鞍點和前因子所需的能量決定該過程的速度。 -
Surveying power harmonic using the special effect on detecting singularity point and high resolving degree in time domain of wavelet, combined with the exact frequency resolving ability of fast fourier transform
利用小波變換突出的奇異點監測效果和較高的時域解析度，結合快速傅立葉變換準確的頻域分辨能力進行電力系統諧波分析。
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