unknown information 中文意思是什麼

unknown information 解釋
未知信息
  • unknown : adj 1 未知的,未詳的;未被發覺的。2 數不清的,無數的。n 未[不]認識的人[物];【數學】未知數[量,元...
  • information : n. 1. 通知,通報,報告。2. 報導,消息,情報。3. 資料,知識,學識。4. 【自動化】信息,數據。5. 【法律】起訴,告發。adj. -al
  1. The functions of system include the display of classification information, the search of classification data, the background manage of database, and the identification of unknown species of termite based on the dichotomous key or multi - way search

    本系統具有分類資料顯示、分類資料檢索、數據庫的后臺管理和基於二項式檢索表的鑒定或多途徑檢索鑒定四個功能。
  2. The problem discussed in this paper is to separate two ( or more ) input signals from observed signals which are generated by passing input signals through diffrent unknown multi - input multi - output linear systems. it is proved that the input signals can be separated when they are independent identitically distributed ( i. i. d ) signals. a new algorithm for multi - input multi - output blind deconvolution via maximum entropy is presented which needs no information about the input signals and mixing filters

    本文研究的問題是從觀察信號中分離出兩個(或者更多個)輸入信號,其中每一組信號分別通過不同的未知多輸入多輸出線性系統.本文證明了當輸入信號是兩兩相互獨立的獨立同分佈信號時可以分離出輸入信號,並導出了基於最大熵的多輸入多輸出盲解卷新演算法.這個演算法不需要任何關于輸入信號和混合濾波器的先驗知識
  3. According to behavioral studies in adult rats, intrathecal administration of nociceptin, anandamide and win - 55, 212 ( win - 2 ) ( cannabinoid receptor agonists ) produces an antinoceptive effect in versatile pain models including acute, tonic and chronic pain models ( see mogil & pasternak, 2001 ; pertwee, 2001 for review ). thus, it could be concluded that nociceptin - orll receptor and anandamide - cannabinoid receptor systems constitute an important part of endogenous antinociceptive system. however, cellular mechanisms underlying the actions of orl1 and cannabinoid receptors on nociceptive information transmission in the spinal cord are still unknown

    行為學研究也觀察到鞘內注入nociceptin和大麻受體的激動劑如win55 , 212 - 2 ( win - 2 ) 、 anandamide等均可在多種痛模型上(包括急性痛、持續性痛和慢性痛模型等)產生明顯的抗傷害性作用( seemogil pasternak , 2001 ; pertwee , 2001forreview ) ,由此可見nociceptin ?孤啡肽受體系統和anandamide ?大麻受體系統構成了內源性鎮痛系統的重要組成部分。
  4. Data mining is an important research subject in the field of information technology. it means a process of nontrivial extraction of implicit, previously unknown and potentially useful information from data in databases or datawarehouses. it involves such subject areas as database, artificial intelligence, machine learning and statistics. classification analysis is an important data mining problem

    數據挖掘( datamining )是信息處理技術研究領域的一項重要課題。它是指從大型數據庫或數據倉庫中提取隱含的、未知的、非平凡的以及有潛在應用價值的信息或模式的過程。
  5. In order to meet the needs of dsss signal reconnaissance, a method of dispreading without the code is brought forward by this paper , in which the local code is gained from the dsss signal. so we can intercept dsss signal with low snr even if the spreading code is unknown. liu jie ( communication and information system ) directed by prof. gao huisheng

    為適應電子戰中對直擴信號偵察的需要,本文提出一種了無碼解擴的方案,採用從直擴信號中獲得本地參考信號的方法,可以在沒有擴頻碼的情況下,截獲低信噪比直擴信號的通信信息。
  6. For a general linear model ( input matrix is deterministic ), under a certain conditions on variance matrix invertibility, the two estimates can be identical provided that they have the same priori information on the parameter under estimation. even if the above information is unknown only for the optimally weighted ls estimate, the sufficient condition and necessary condition, under which the two estimates are identical, is derived. more significantly, we know how to design input of the linear system to make the performance of the optimally weighted ls estimation identical to that of the linear minimum variance estimation in case of being lack of prior information

    在一般線性模型(即輸入矩陣為確定性)下,當兩種估計都利用有關被估參數的先驗信息時,二者在方差陣可逆的一定條件下可達到一致;當最優加權最小二乘估計不利用此先驗信息時,存在二者一致的充分條件和必要條件,進而找到一種設計輸入矩陣的方法,使得在先驗信息缺乏的條件下,仍可利用最優加權最小二乘估計達到與線性最小方差估計一樣優越的估計性能。
  7. The first chinese isoptera classification information and key database were built by the lamp in this paper. this databank could provide us the termite classification information and let us identify the unknown species through two ways of dichotomous key or multi - way search

    本系統以此作為開發和應用平臺,第一次建立起了中國等翅目昆蟲的分類信息和檢索表數據庫,實現了對分類資料的數據庫化和基於二項式檢索表的分類鑒定和已有種多途徑檢索。
  8. Not only it contains a large number of known information, but also a large number of unknown information and non - true knowledge information are contained

    它既包含大量的已知信息,也包含大量的未知信息與非確知信息。
  9. The information of unknown or non - true knowledge is called black information ; known information is called white information

    未知的或非確知的信息稱為黑色信息;已知信息稱為白色信息。
  10. Not only contains known information but also contains the system unknown and the information of non - true knowledge, and is called the grey system

    既含有已知信息又含有未知的、非確知的信息的系統,稱為灰色系統。
  11. There is not any man - made reference and any priori information such as land marker or light tower in unknown environment which is usually three - dimensional. it is necessary for researchers to have a sophisticated mobile platform with stability, trafficability, terrainability, reliability and mobility, as any navigation algorithm should be realized by a mobile carrier with high trafficability and high maneuverability

    要在這樣或類似的環境中研究移動機器人自主導航的理論與技術,擁有一個具有穩定性、通過性、越障性、可靠性和機動性的硬體移動平臺絕對是必要的,因為任何先進的演算法和理論都需要通過高機動性和高通過能力的載體來實現。
  12. In the third chapter, it was particularly analyzed the impact of the correlation between antenna arrays both sides of transmit and receive, the coexistence of line of sight ( los ) component and scatter power component in the radio propagation environments, and known and unknown channel state information on the capacity of mimo channel. the related simulation results are also given

    第三章著重分析了收發兩端的多天線單元之間存在相關性、同時存在直射分量( los )和散射分量的傳播環境、已知和未知通道的狀態信息等因素對mimo通道容量的影響,給出了有關模擬結果。
  13. Blind signal separation is a new technique of signal processing aimed at retrieving a system ' s unknown information from its output only, which can be used in array processing and data analysis

    盲信號分離技術是信號處理中用於陣列處理和數據分析的一種新的技術,在源信號和混合過程未知情況下,從混合信號中分離出源信號。
  14. The number surrounded by curly brackets indicates that there is some generally unknown information that will replace the brackets and number

    花括號括起的數字表示有一些未知信息將替換括號和數字。
  15. Blind signal processing is a fundamental signal processing technology aimed at retrieving a system ' s unknown information from its output only. mimo blind source separation may consist of recovering unobserved sources from several observed signals without prior knowledge of sources or the channel

    多輸入多輸出系統的盲源分離,是指在對源信號和通道沒有任何先驗知識的情況下,從觀測到的幾個信號中來恢復出未知的源信號。
  16. Note : including 7 casualties with unknown information

    注:包括7名資料不詳的意外傷亡人士
  17. Note : including 2 casualties with unknown information

    注:包括2名資料不詳的意外傷亡人士
  18. Notes : including 3 casualties with unknown information

    注:包括3名資料不詳的意外傷亡人士
  19. How to utilize these data and deeply discover unknown information to sever the decision - making is an important issue for securities companies

    如何利用這些數據,深層次地挖掘信息,為公司的決策服務,已成為證券公司的當務之急。
  20. With the repaid development of information technology, the development of e - commerce and development of www applications, massive amounts of data have been continuously collected in the databases of many application areas, which contain much useful patterns, and it is very important to find the hidden and previously unknown information for these areas, data mining aims at the task of the above work

    當前快速發展的新的it技術、電子商務及網際網路的迅速普及,導致在各個應用領域的數據庫中存儲了大量的數據,這些數據集中包含了很多有用的知識,因此如何發現各種大型數據庫中所隱藏的、預先未知的信息以輔助相應的應用顯得尤為重要,這正是數據挖掘所要完成的任務。
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