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invertible

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invertible adj.1.可顛倒的，可反轉的。2.【化學】可轉化的。

adj. 1.可顛倒的，可反轉的。 2.【化學】可轉化的。 “invertible code“ 中文翻譯：   可逆碼“invertible element“ 中文翻譯：   可逆元“invertible function“ 中文翻譯：   可逆函數“invertible functor“ 中文翻譯：   可逆函子“invertible grammar“ 中文翻譯：   可逆文法“invertible jet“ 中文翻譯：   可逆的射流“invertible knot“ 中文翻譯：   可逆紐結“invertible law“ 中文翻譯：   可逆律“invertible map“ 中文翻譯：   可逆映射“invertible matrix“ 中文翻譯：   可逆矩陣; 可逆陣; 可泄矩陣; 逆矩陣“invertible module“ 中文翻譯：   可逆加法群“invertible operator“ 中文翻譯：   可逆算子“invertible program“ 中文翻譯：   可逆程序“invertible sheaf“ 中文翻譯：   可逆層“invertible symbol“ 中文翻譯：   可逆符號“invertible systems“ 中文翻譯：   逆系統“invertible transform“ 中文翻譯：   可逆變換“invertible transformation“ 中文翻譯：   可逆變換“invertierbar invertible“ 中文翻譯：   可逆的“half rate invertible code“ 中文翻譯：   半率可逆碼“invertible decoupling algorithm“ 中文翻譯：   可逆解耦算法“invertible finite automata“ 中文翻譯：   可逆有限自動機“invertible fractional ideal“ 中文翻譯：   可逆分式理想“invertible symmetry matrix“ 中文翻譯：   可逆對移矩陣“invertibility principle“ 中文翻譯：   可反演原理“invertibility of lti systems“ 中文翻譯：   線性時不變系統的可逆性

invest

In the second section , we structure a kind of semirings , namely semidirect product of semirings , and prove an isomorphic theorem of semidirect products . in the third section , we give the characterizations of the relations of all kinds of regular semirings and introduce the concept of pseudo - inverse and the necessary and sufficient conditions of pseudo - invertible element . in the fourth section , we define an equivalence relation on the cartersian product of commutative semiring and its multiplicative subset 第二部分，先構造一類半環，半環半直積，然后證明半直積的同構定理第三部分，刻劃了半環各類正則元之間關系，引入偽逆的定義，給出了可偽逆元素的充要條件第四部分，在交換半環和乘法集的卡氏積上定義等價關系，進而構造了一類交換半環：分式半環

Then based on it an audio encryption algorithm is proposed by adopting module operation , which has nice encryption characters in the simulation . another audio encryption algorithm based on zero dynamical nonlinear invertible system is studied and improved . in order to compare the encrypiton characters between the improved and the original algorithm , their applications to audio encryption are simulated , and the corresponding results are shown in chapter 3 本文的主要成果有:提出了一種混沌實值序列的生成方法,并在此基礎上引入模變換對語音信號進行加密,經實驗仿真可以得到良好的加密效果;對零動態可逆混沌語音加密通用模型的一個具體加密算法進行了改進,并通過仿真實驗比較了改進前后算法的加密性能。

Instead , we combine elementary education tightly with the government ’ s fiscal expenditure in the frame of public finance . then , we develop a model about the public financial expenditure in elementary education to analyze the condition and its problems . trough the review in our country ’ s fiscal expenditure in elementary education , the analysis of the problem existing present , and the illumination from the character of fiscal expenditure in elementary education in america , we argue that it is necessary and invertible for the government to provide elementary education 一、主要內容我國目前關于基礎教育問題的研究,多集中于教育體制的改革方面,但是,一個國家基礎教育的發展水平是與政府的行政管理體制密不可分的,本文旨在跳出“就教育論教育”的常規范式,在公共財政框架下,將基礎教育與政府的財政支出制度進行緊密結合,通過構建財政基礎教育支出的理論框架、對我國財政基礎教育支出政策選擇的歷史回顧和現狀分析、以及對美國基礎教育財政支出的特征的綜述和借鑒,說明基礎教育政府提供的必要性和必然性,并對我國財政基礎教育支出制度的改革發展,提出自己的建議。

If no errors occur in it , the parity check part itself can retrieve the information by invertible process . if errors occur , the parity check part will be combined with the previously received information part to build an error - correction code , and try to recover the information . this kind of harq can match channel states very well 該harq將信息碼字和校驗碼字分開傳送，信道狀態較好時只傳送信息碼字；信道變差時才要傳送校驗碼字，校驗碼字可單獨或與信息碼字一起將信息恢復出來，因此這種結構對信道有較好的適應性。

In this thesis , we study the non - invertible linear finite autonomous automata and derive the following new results : 1 . a formula is given to count the number of the nodes of every level in a down - oriented tree of an autonomous automaton . then a necessary and sufficient condition is presented for the graph of an autonomous automaton to be an exact - equibranch down - oriented tree [ theorem 3 . 2 - 3 . 3 ] 本文研究了布爾代數上非可逆的線性內動機，取得了下列成果： ( 1 )給出了線性內動機下向樹形中每一層節點的計數公式和下向樹是等叉下向樹形的判定條件[定理3 . 2 3 . 3 ] 。

We explore the graph structure of the autonomous automata over boolean ring and derive the following new results : 1 . we determine the graph structure of a kind of exact - equibranch down - oriented - tree autonomous automata and of a kind of invertible autonomous automata [ theorem 4 . 1 - 4 . 4 ] 本文研究了有限布爾環上的內動機圖型結構，取得了下列成果: ( 1 )定出了布爾環上的一類具有等叉下向樹形的線性內動機和一類可逆線性內動機的圖型定理4 . 1 ~ 4 . 4 ] 。

Then a is invertible if and only if h0 ( a ) = { 0 } , k ( a ) = x . the third section gives some results about judgement ci operator . the first part discusses judgement that a is a ci operator on the basis of [ 5 , theorem 1 . 1 ] and gives results as follows : theorem 3 . 5 a b ( h ) 定理11的基礎上，給出了算子人為（ ’ ！算于的條件，浮到定理如下：定理si設ied廠川苦人卜）不是閑軍、則人為（ ” ！

The second section discusses properties of left - invertible and right - invertible operator in use of mbekhta ' s subspaces and gives the necessary and sufficent condition . i get results as follows : theorem 2 . 6 suppose a b ( x ) is the left - invertible 第二節主要運用mbekhta子空間討論左可逆和右可逆算子的性質，并給出算子可逆的充要條件，得到下面的定理：定理26設aeb （ x ）為左可逆算子

Based on the given securities combination model and the justified general principle of the invertible matrix , the analyze expression formula of securities investment combination right counting was deduced and justified with the examples 摘要給出了證券組合模型，在其使對稱矩陣與對角矩陣合同的可逆陣的一般規律基礎上，推導出證券投資組合給合權數的解析表達式，并給出實例驗證。

Automorphism group of a linear code is obtained with the help of the general linear group constructed by all invertible matrices , and it is illustrated by matrices generalized inverses 給出了通過求解可逆矩陣構成的一般線性群，獲得線性碼的自同構群的方法，并利用矩陣廣義逆理論，對線性碼的自同構群進行進一步刻劃。

3 . the graph structure of some non - invertible autonomous automata is discussed in regular space , orthogonal space , and orthonormal space respectively . some new results are derived [ theorem 3 . 10 - 3 . 13 ] ( 3 )討論了非可逆線性內動機在正規空間、直交空間、正交空間上的圖型結構問題[定理3 . 10 3 . 13 ] 。

In this paper , we shall characterize the linear operators that strongly preserve nilpotent matrices and that strongly preserve invertible matrices over boolean algebras and antinegative semirings without zero divisors 本文將刻畫在布爾代數和非負無零因子半環上強保持冪零矩陣和可逆矩陣的線性算子

In particular , the stability for riesz basis , bessclian frame , riesz frame is provable if they are acted by a invertible opetator respectively 特別， riesz基、 besselian框架、 riesz框架，投影法可行框架在相似意義下具有穩定性第三節研究含riesz基框架的攝動

2 . we prove that one kind of invertible autonomous automata has the same graph structure as its affine autonomous automata [ theorem 4 . 5 ] ( 2 )證明了布爾環上的一類可逆線性內動機的圖型與其仿射內動機的圖型相同定理4 . 5 。

Application of two dimension lifting scheme based on invertible biorthogonal wavelet transform in progressively lossless image compression 基于二維提升方案的可逆雙正交小波變換在漸進性無損圖像壓縮中的應用

It ' s an invertible phenomenon when the market economy has been developed to a certain stage 資本運營是市場經濟發展到一定階段的一種必然現象，是一種更高層次的經營。

A is a ci operator if and only if one of the following three statements exists . ( a ) a is invertible 主要結果是：當且僅當下列三命題之一成立時， a時了i算子

Since rijndael is invertible , the decyphering process just reverses the steps described above 如果您仔細想想，這就是您對安全性系統所期盼的。

An orthogonal matrix is an invertible matrix for which the inverse is equal to the transpose 正交矩陣是可逆矩陣，其逆矩陣等于其轉置矩陣。