旋量波方程 的英文怎麼說
中文拼音 [xuánliángbōfāngchéng]
旋量波方程
英文
spinor wave equation- 旋 : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 波 : 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...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
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The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given
利用坐標旋轉后球坐標變量間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式;以遞進的方式說明磁矢量位、修正磁矢量位與二階矢量位的關系,寫出了引入二階矢量位的過程;以時諧場矢量邊值問題為例,闡明了不同坐標系下電磁場解的相互轉化原理,給出了一個解析解的轉化例子;在球坐標下,引入了較球矢量波函數更普遍的兩類矢量函數,給出了其在球面上的正交關系。The point blast induced spherical wave is the especial instance of the ellipsoid shock wave. at last, the experimental data in alcohol are in good agreement with the calculated results of the model by analysis of the data of the laser pulse induced the laser plasma shock front by acoustics means
最後,設計應用聲學方法對酒精中產生的激光等離子體沖擊波波前傳播過程進行測試,對兩個不同方向上激光等離子體沖擊波波前測試數據的分析表明,旋轉橢球面的沖擊波模型與實驗測量結果相吻合。Spinor wave equation
旋量波方程Acoustic intensity detection can efficiently estimate objective direction, and frequence partition, beam revolving and vector equations can differentiate multi - object
聲強檢測可以有效地進行目標方位估計,利用頻帶劃分、旋轉波束、矢量方程組可以在一定程度上有效地解決多目標干擾的問題。Based on the relationship between the change of the cornea thickness and optical path length, the ablation profile for the correction of wavefront aberration is presented and simulated on computer. the process of scanning - spot excimer laser is studied and simulated on computer. models for calculation of residual wavefront aberration on situations of lateral decentration and torsional misalignment are brought up
使用改變光程的方法建立起波前像差與角膜切削量之間的關系,並對像差矯正模型進行計算模擬;深入研究了小光斑準分子激光飛點掃描模型,對飛點掃描過程進行計算模擬;提出了中心偏移和旋轉情況下剩餘像差計算模型,為定量研究切削中心定位精度對像差矯正的影響提供了依據。There are several ways of estimating direction of arrival in use of the vector hydrophone : acoustic intensity detection, beam revolving and vector equations
利用矢量水聽器進行方位估計的方法主要有聲強檢測、旋轉波束和矢量方程組等。In this paper, a new way of real - time damage detection method was proposed according to the high speed working situation of the composite flywheels for energy storage, and a suit of equipment was developed to test the composite samples with piezoelectric disc built - in, the response waves before and after the damage occurred were recorded to the computer. on the base of traditional spectrum analysis of signal recorded, the wavelet analysis was introduced and the program in matlab language was made. with the wavelet packet decomposition of the signal, the relations between the change of response signals and damage characters were gotten, a database for damage recognition was created
本文結合儲能復合材料飛輪高速旋轉的工作特點,提出了一種在線檢測飛輪轉子損傷的方法,自主設計一套實驗裝置對模擬各種損傷的的試樣進行了測試,試樣損傷前後的響應信號被採集后存入計算機中;在對採集信號進行傳統的頻譜分析的基礎上,引入了先進的小波分析理論,利用matlab語言編寫程序,對信號進行小波分解,得到了信號變化和損傷特徵之間的關系,建立了一個識別飛輪損傷的數據庫;小波包分解得到信號對比圖和特徵向量,可以有效判定材料內部有無損傷和損傷的程度,結合頻譜分析等,可一定程度上判定損傷的類型,為儲能飛輪的安全運轉和智能化運作提供了決策依據。Schrodinger equation, bound states, hydrogen atoms, wave packets and uncertainty relations, wkb approximation, principle of quantum mechanis, perturbation theory, variational method, spin and angular momentum, scattering theory
薛丁格方程、束縛態、氫原子、波包及測不準原理、 wkb近似、量子力學的原理、微擾論、變方法、自旋與角動量、散射論。It uses the encouragement of step wave or other impulse current field source to produce the transition process field in earth. in the moment of shutting the power it produce the volute alternating electromagnetic field. from the abnormity of measuring the attenuation character of the second induction electromagnetic field, which produced by underground medium with time change, the conductive capacity and the position of the underground non - homogeneous substance can be analyzed
瞬變電磁法( transientelectromagneticmethod )是一種時間域的電磁勘探方法,利用階躍波或其它脈沖電流場源激勵,在大地產生過渡過程場,斷電瞬間在大地中形成渦旋交變電磁場,測量這種由地下介質產生的二次感應電磁場隨時間變化的衰減特性,從測量得到的異常分析出地下不均勻體的導電性能和位置,從而達到解決地質問題的目的。Firstly, according to the characteristic that the doppler frequency shift signal can be approximated as a single sinusoid signal, the extended sinusoid signal retrieval ( pisarenko and esprit ) methods are presented and signal state and measurement formulations are developed, so the kalman filter recursive method is got. the brief introduction of low velocity moving target doppler frequency shift signal wigner - ville transformation and wavelet transformation expression are presented in this paper. secondly, because the clutter is gaussian distribution, cumement and high - order spectrum based methods are presented and the simulation results prove their good performance to suppress gaussian clutter in low velocity moving target doppler frequency shift signal processing
一個方面是根據低速目標的多普勒信號可簡化為單一正弦波形式這一特點,得到了擴展的高斯色噪聲背景下的諧波恢復演算法,即高斯色噪聲中的pisarenko諧波恢復法和旋轉因子不變法( esprit ) ;並推導了信號的狀態方程和觀測方程,進而得到基於卡爾曼濾波的遞推演算法對信號進行提取;本文還簡單的介紹了低速運動目標的多普勒頻移信號的wigner - ville變換與小波變換;另一個方面是針對雜波服從高斯分佈這一特點,提出了對接收信號求累積量和高階譜來對高斯雜波進行抑制。Ningbo kat water meter co., ltd. was set up in 1999, the registered capital is 500000 rmb yuan, has workshop 1500 sq., m., 50 employees, 2 engineers and advanced machining equipment include numerical control machine tool, the meters include multi - jet dry type vane wheel water meter, liquid sealed vane wheel water meter, remote - reading water meter, liquid crystal indicator, liquid sealed vane wheel water meter, bottom lode vane wheel dry type water meter, conform to usa standard and are exported usa, south - east asia, europe
寧波凱特水表有限公司創建於1999年,為股份制企業,注冊資金50萬元,擁有廠房面積1500平方米,員工50人,總工程師1名和數控機床等先進的加工設備,產品包括旋翼乾式水表、旋翼式液封水表、旋翼式遠傳水表及流量顯示器、下開門旋翼乾式冷水水表、旋翼式全液封水表,符合美國標準,出口美國、東南亞、歐盟。By the theory of z transformation of linear system and matrix, we proved the validation of the averaging filter method using in ietd to cancel oscillation. then we illustrate the disadvantage of using averaging filter and give a new averaging filter that we note as phase - modified averaging filter, which can reduce the disadvantage. at the end of this chapter, we study the potent of reducing the time - cost of ietd by taking account the short duration characteristics of incident impulse
本文第二章,首先簡述了時域積分方程遞推解法( ietd ) ,然後推導了應用於旋轉對稱體的,能夠減少計算量的ietd方法,重點闡述並應用線性系統的z變換理論和矩陣理論研究了ietd方法中遇到的穩定性問題,從理論上證明了平滑濾波技術的有效性,指出了它對計算精度的影響,並在分析的基礎上提出了新的相位修正平滑濾波方法。分享友人