spectrum of function 中文意思是什麼
spectrum of function
解釋
函數頻譜-
The enzyme 5 - enolpyuvyl - 3 - phosphoshikimic acid synthase ( epsp synthase ; ec2. 5. 1. 19 ), encoded by anoa locus, is a key enzyme present in microorganisms and plants where it has a function in the biosynthesis of aromatic amino acids. glyphosate ( n - phosphonomethyl - glycine ) is an effective non - selective, broad spectrum, postemergence herbicide, which has been shown to inhibit epsp synthase activity in a competitive manner. glyphosate tolerant plants can be mediated by either overproduction of the target enzyme or by the presence of an altered enzyme
植物和微生物芳香族氨基酸生物合成過程中的一個關鍵酶? ? 5 -烯醇丙酮莽草酸- 3 -磷酸合成酶（ epspsynthase ； ec2 . 5 . 1 . 19 ）由aroa基因編碼，該酶受廣譜滅生性、內吸傳導型除草劑草甘膦的競爭性抑制，將epsp合成酶基因轉入植物中可獲得草甘膦耐受植株。 -
( 3 ) the dissertation designs the hardware diagrams of corelation matrix module and spectrum peak finding module. accroding to the hardware diagrams, the dissertation codes by vhdl and do function simulation and timing simulation
（ 4 ）本文對music演算法的各模塊進行了互連調試工作。當採用了altera公司cyclone系列的fpga實現music演算法時，單次運算時間在20us以內。 -
The principle of the interleaver with output spectra similar to cosine function, based on mzi, is analyzed theoretically. by using the tandem of two mzis, we get the flattop spectrum ; last, grounding on the polarized light interference and multi - beam interference, we analysis the principle of bgti interleaver, and simulate the relations between output spectra and reflectance of g - t resonator. furthermore the flattop output spectrum of bgti interleaver is achieved
4 、分析了fmzi型interleaver濾波器的工作原理，其輸出光譜曲線為類餘弦函數；採用級聯fmzi方案，實現了interleaver濾波器的光譜平頂光譜輸出；最後，基於偏振光干涉和多光束干涉原理，分析了bgti型interleaver濾波器工作原理，模擬了g - t腔部分反射系數r與輸出光譜的關系，獲得了50ghzbgti型interleaver濾波器平頂化輸出光譜。 -
3. the principle of the interleaver based on the interference of polarized light is analyzed theoreticallyand the interleaver architecture of this kind is presented. a 50ghz interleaver is designed and the two series of interleaved spectrum like cosine function is obtained experimentally ; by using the tandem of two birefringent crystals with different optical path difference, we get the flattop spectrum
3 、分析了pbi型interleaver濾波器的基本原理，給出了一種pbi型interleaver濾波器結構；設計了50ghz光學梳狀濾波器，實驗得到了該器件兩組交錯分波類餘弦輸出光譜；採用不同光程差的晶體級聯方案，實現了輸出光譜平頂化。 -
The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included
雲中凝結核ccn的數濃度採用超幾何函數表示；雲水向雨水的自動轉換過程採用grabowski （ 1999 ）的公式，考慮了雲滴譜的特徵和發展變化對該過程的影響，而不是採用原方案給定閾值的方法描述該過程；對連續碰並方程不再將粒子落速差作為常量提出積分號外，而是直接作為粒子直徑函數在積分號內求解，這樣處理可以迴避使用粒子群的平均落速帶來的誤差；增加了霰和雪、霰和冰晶的碰並微物理過程。 -
Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest
文摘:在緊束縛近似下，只計及最近鄰的矩陣元，採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響，發現電子能譜發生了移動，化學勢不等於格點原子能級，各格點的電子密度也發生了變化，其中以表面格點的電子密度變化最大。 -
This sensor in this paper is based on the characteristic absorption spectrum of acetylene to detect acetylene content and utilizes the optical waveguide all through the process, so it has the intrinsic anti - explosion function, fast response time and good repeatability
本文研製的吸收型光纖乙炔傳感器是利用乙炔氣體的特徵吸收峰來在線檢測乙炔氣體的含量的，且整個過程利用的是光波導，因此它有本質防爆功能。在檢測乙炔時該傳感器響應快、重復性好。 -
A convergence acceleration technique, boundary element method ( bem ), spectrum of two - dimension solutions ( s2ds ) method are used separately in solving dyadic green function of the three domain. next, waveguide narrow - wall slots array ' s is introduced in this paper
對外部空間，與縫隙腔體區域一樣認為場量與z無關，對所有場量做z方向的fourier變換，得到譜域上的一系列去耦合的二維方程。 -
Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust
利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計（ sauvs ） ，測量到達北京地表的太陽直接和散射紫外光譜輻射，導出了大氣氣溶膠的光學厚度。初步結果表明：北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小，用指數函數可以較好地擬合反演結果，統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式；初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點，並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析；分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量表達式；最後與全球氣溶膠監測網路（ aeronet ）北京站的資料做比對，表明反演結果基本合理。 -
Expanding the system ' s hamiltonian to a real symmetric matrix in an appropriate orthogonal basis vector and then diagonalizing it, we get the energy spectrum of the system and calculate the energy level spacing distribution function and the spectral rigidity. then we study the statistical character of the energy spectrum under the changing of magnetic field intension and find that the system ' s motion transfers from regular to chaos gradually
將系統的哈密頓量在一個適當的正交基矢下展開並對角化，得到系統的能譜，分別計算系統能譜的能級間距分佈函數和譜剛度，研究了該系統量子能譜的統計特徵隨磁感應強度大小的改變而表現出的系統運動由規則到混沌的漸進變化。 -
To solve it, the differential equation set is transformed by fourier transform and the dynamic differential equation in the form of matrix is educed. the calculation formulas of frequency response function of vehicle vibrating system, acceleration power spectrum density function are put forward
用分析力學法建立整車動力學模型，推導出以矩陣形式表示的運動微分方程，並通過傅氏變換給出汽車動力學系統的頻率響應函數、加速度功率譜密度函數的計算公式。 -
( 3 ). the flattening arithmetic of an edfa was presented based on the inter - correlative function between the gain spectrum function of the edfa and that of the reserve transmission spectrum of the lpfg. for optimal matching between the two spectra, the flattening arithmetic calculates the variation of the resonant amplitude and wavelength of the lpfg
Iii .提出了一種動態增益均衡的平坦演算法，這種演算法的本質就是利用摻鉺光纖放大器增益譜函數和新型長周期光纖光柵的透射譜反轉譜函數的相關性，給出新型長周期光纖光柵諧振峰幅度和位置的調節量，使改變后的新型長周期光纖光柵的反轉譜線能和edfa的增益輸出譜線進行最佳匹配。 -
Quantum confinement effect was observed in the films by measurements of absorption spectrum of ge - sio2 films. the widening of optical band gap of the amorphous films seems to be related to the function of the quantum confinement on the impurities or defects in the films
光吸收特性研究表明，因量子限域效應，對于ge - sio _ 2薄膜觀察到較強的光吸收和光吸收邊隨ge顆粒尺寸變小而藍移的現象。 -
This paper also show a rough estimate of the gains of this array, because it needs one year ' s data to collect one year ' s noise correlation variation curves and then give a more practical detection ability of the seismic array. one result of this paper is " seismic array site survery data processing software " exploited by the author. the software can calculate the power spectrum of noise for every site, noise coherence function for every site pair, the cross - correlation curves, the root mean square of noise for every site and the array response
此外還計算了該臺陣的臺陣響應，發現臺陣響應的主瓣高而尖；旁瓣很小，這歪姐鈕遠宣腔撾踏數公鍍壁韶逼上攏唆精確啻應：有關此臺陣的檢測能力，只能給出一個粗略的估計，因為評價一個臺陣對地震事件的檢測能力需要獲得為期一年的觀測資料，才能給出一年內噪聲場變化的相關值曲線，最終給出更加符合實際的臺陣檢測能力。 -
The random excitation of the four wheels is used as the input of this system. the changing rule of vertical displacement, three directions of acceleration power spectrum density function of person - chair system of model ca - 141 and etc. in the frequency domain is simulated using matlab. the rationality of the model is analyzed and validated by comparing of relevant testing results and theoretic analysis
以頻域內四輪隨機激勵作為系統輸入，用matlab模擬低地板城市客車等三種車型人椅系統三向加速度功率譜的變化規律，逐項分析車速、懸架剛度與阻尼參數變化對車輛平順性的影響，通過與相關研究結果的比較及理論分析驗證了模型的合理性。 -
It is shown that the spectrum of the backward scattering signal of a rotating target is a slice of the spectrum of the scattering intensity function of the target in the corresponding aspect of the system, weighted by the spectrum of the incident signal
本文簡要分析了目標電磁散射與impsar成像有關的信號模型。經對沖激雷達旋轉目標某一方向的回波信號的分析，得知它的頻譜是目標散射函數頻譜在對應方向被發射信號頻譜加權了的一個切片。 -
This paper persented about a series of various level systematic ~ urement research of psi phenomena and qigong master radiated electromagnetic frequceney spectrum on function or non - function states, and so on
本文敘述了對處于功能態和非功能態的特異功能者和氣功師進行的「電磁輻射波譜，等一系列分層次系統測試研究。 -
The theory study of vibrating spectrum of diatomic molecules by using p. m. morse ' s potential function
用莫爾斯勢對雙原子分子振動光譜的理論研究 -
The dynamical characteristics of ground soil and structure of frequency spectrum of ground micro - tremor in fuzhou and quanzhou of fujian province are studied in this thesis. the ground microtremor signals were observed, and the signals were analyzed by fast fourier transform method ( fft ). the characteristics of structure of frequency - spectrum and response of ground soil to frequency of ground micro - tremor are revealed, and the function with frequency - dependence and frequency - selection of micro - tremor for different foundation soil strata is also researched
本文以福建省福州市區和泉州市區場地土的動力特性和地脈動頻譜結構為研究對象，對福州市區和泉州市區等地進行了場地地脈動的測試，利用快速傅立葉變換（ fft ）方法對觀測到的地脈動信號進行頻譜分析，研究了地脈動頻譜結構特徵及場地土對地脈動的頻率響應的特性。 -
There are mainly four parts about control synchronization of hyperchaos and their application in this paper : optic systems is modulated with electronic parameters, the unit of function circuit is applied to construct circuit system, educed a equation of the nonlinear dynamics of complex map and designed a kind of digital circuit used to spread spectrum sequence and application experiment of secure communication system
全文內容主要包括四個主要研究方面：電參數調制光學系統，形成超混沌控制和同步；單元功能電路法構造超混沌電路實現超混沌控制和同步；推導復合映射動力學方程產生擴頻序列構造數字化電路模塊；利用超混沌動力學系統展開保密通信實驗應用研究。
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