minimum entropy造句
例句與造句
- Minimum entropy principle
最小熵原理 - On the basis of contrast maximization autofocusing algorithm ( cma ) , a method based on minimum entropy criteria ( mec ) for sar imagery autofocusing is proposed
在對(duì)比度最大化自聚焦算法的基礎(chǔ)上，提出了基于圖像熵最小準(zhǔn)則的自聚焦算法。 - In the study of entropy expression of porous media convection - diffusion process , the reason why minimum entropy production principle is uncomformable is analyzed
在多孔介質(zhì)對(duì)流擴(kuò)散問(wèn)題的熵產(chǎn)規(guī)律的研究中，分析了最小熵產(chǎn)原理在這一問(wèn)題中的不適應(yīng)性的原因。 - And others are found , and the expression of minimum rate of energy dissipation of flow is re - derived based on the theory of minimum entropy production . ( 2 ) it will be pointed out that the entropy is different from the entropy production in a river system
（ 2 ）指出河流系統(tǒng)中的熵與熵產(chǎn)生是兩個(gè)不同的概念，沖積河流在調(diào)整過(guò)程中，力求使水流的熵產(chǎn)生或能耗率趨于最小值，而不是使熵趨于最大值。 - Firstly , the principle of phase gradient autofocus and rank one phase estimate and its advanced are detailed . secondly , it proposes an algorithm of fast maximum contrast phase compensation after discussing its similar algorithm fast minimum entropy phase compensation
討論了經(jīng)典的相位梯度自聚焦算法、秩一相位誤差算法及其改進(jìn)形式;在討論快速最小熵相位補(bǔ)償算法的基礎(chǔ)上,提出了對(duì)比度最優(yōu)相位調(diào)整算法,實(shí)測(cè)數(shù)據(jù)處理表明了該算法的有效性。 - It's difficult to find minimum entropy in a sentence. 用minimum entropy造句挺難的
- Due to the short distance among the planes which fly in a group , the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image , we may separate them , but a long time of coherent processing is needed < , for the formation targets , it can be approximately divided to rigid body and nonrigid body , so for the formation targets , that can be regarded as rigid which has a relative position and an identical movement , can be approximately considered as a large target , and be compensated by translational phase with the rule of minimum entropy , but for the most those cannot accord with the approximation of rigid , being the doppler - frequency of the aim is linear changed , by the relax method with short data , increases the resolving performance of multiple target to the aim in the frequency domain , since cross - range resolution is based on the accumulative time , so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation
低分辨isan成像及干涉技術(shù)應(yīng)用研究一因此直接無(wú)法分辨編隊(duì)目標(biāo)的架數(shù)，我們借鑒isar的技術(shù)，通過(guò)較長(zhǎng)時(shí)間的相干積累，在多普勒頻域上對(duì)目標(biāo)進(jìn)行分辨。而對(duì)于編隊(duì)目標(biāo)，可分為近似剛性的多目標(biāo)和非剛性的多目標(biāo)，所以對(duì)于可以近似為剛體的編隊(duì)目標(biāo)相對(duì)位置固定，運(yùn)動(dòng)方式一致，可以近似看作一個(gè)大目標(biāo)，采用最小墑準(zhǔn)則對(duì)平動(dòng)相位的進(jìn)行補(bǔ)償，但是大多數(shù)并不滿(mǎn)足剛體近似的編隊(duì)目標(biāo)，由于目標(biāo)在相干積累時(shí)間的多普勒頻率近似呈線性變化，通過(guò)對(duì)較短數(shù)據(jù)利用relax的時(shí)頻分析方法，提高了頻率域上目標(biāo)分辨的性能。由于橫向分辨率取塊于橫向積累時(shí)間，所以利用radnwigner變換得到瞬時(shí)的一維橫向距離像大大提高了對(duì)編隊(duì)目標(biāo)的分辨，對(duì)仿真和實(shí)測(cè)數(shù)據(jù)的大量分析結(jié)果表明此方法的有效性和可行。 - The theory of minimum entropy production or minimum rate of energy dissipation shows that a river is stable when it is in a relative equilibrium condition . ( 3 ) the river facies formulas of alluvial river have been developed using the theory of minimum rate of energy dissipation together with flow continuity and motion equations , suspended load transport or bed load transport equation . ( 4 ) the causes of the river patterns are explained using the theory of minimum rate of energy dissipation
（ 3 ）基于最小能耗率原理，以水流能耗率作為目標(biāo)函數(shù)，以水流連續(xù)方程、水流運(yùn)動(dòng)方程及懸移質(zhì)挾沙力公式或推移質(zhì)輸沙率公式作為約束條件，通過(guò)對(duì)目標(biāo)函數(shù)求條件極值，分別推導(dǎo)出以懸移質(zhì)造床為主的顯式河相關(guān)系式和以推移質(zhì)造床為主的顯式河相關(guān)系式。 - The two basic theories of non - equilibrium thermodynamics , the minimum entropy production and the dissipative structure , are introduced . it will be shown that , by using the relationship between the entropy production and the rate of energy dissipation , the minimum entropy production is equivalent to the minimum rate of energy dissipation
本文首先介紹了非平衡態(tài)熱力學(xué)的兩個(gè)基本理論?最小熵產(chǎn)生原理和耗散結(jié)構(gòu)理論，并根據(jù)熵產(chǎn)生與能耗率關(guān)系，得出最小熵產(chǎn)生原理與最小能耗率原理二者等價(jià)的推論。 - By analyzing the factors affecting enterprise expansion ratio and redefining the ratio in entropy thinking , the paper points out that expansion must be based on its basic elements of internal strength and weakness such as core competence , and external environment will determine the size of its expansion , speed and scope of the economy in order to achieve the minimum entropy internal and achieve sustainable development , which provides new thinking for expansion strategy and management
摘要通過(guò)對(duì)影響企業(yè)擴(kuò)張度因素的分析以及熵思想下企業(yè)擴(kuò)張度的重新界定，指出企業(yè)擴(kuò)張必須遵循的原則就是，擴(kuò)張必須基于自身核心競(jìng)爭(zhēng)能力等內(nèi)部基本元素的強(qiáng)弱與外部環(huán)境來(lái)確定其擴(kuò)張的規(guī)模、速度以及經(jīng)濟(jì)范圍，以便達(dá)到內(nèi)部熵能最小和持續(xù)發(fā)展的目的。 - After the compensation based on the rule of the minimum entropy , the resolution of the cross - range image is lower as the large size and non - uniform rotation , which cause the image to be not right at all sometimes . in order to eliminate effect of the non - stationary rotation , the first order approximation and relax algorithm are adopted to search the initial frequency , amplitude , frequency modulation rate and obtain the dynamic image of the target at any time
分析了低分辯雷達(dá)的成像算法，建立在最小熵補(bǔ)償基礎(chǔ)上的算法得到的橫向像的分辨率仍然比較低，尤其對(duì)大的目標(biāo)和機(jī)動(dòng)目標(biāo)，為此我們采取了一階近似的relax算法搜索目標(biāo)的初始頻率、幅度、解調(diào)率從而獲得目標(biāo)的動(dòng)態(tài)一維像，仿真數(shù)據(jù)和試驗(yàn)結(jié)果證明該方法是有效的。 - At the doppler centroid aspect , this paper make use of maximum value method ; energy method and autocorrelation function method to estimate doppler centroid . at the doppler frequency aspect , this paper make use of image offset method ; time - frequency method ; minimum entropy and fractional fourier transformation method to estimate doppler frequency rate
在多普勒參數(shù)估計(jì)中,采用了最大值法、能量法和自相關(guān)函數(shù)法進(jìn)行多普勒中心頻率估計(jì);采用了圖像偏移法、時(shí)頻分析法、最小熵法和分?jǐn)?shù)階傅里葉變換法進(jìn)行多普勒調(diào)頻斜率估計(jì)。