擬范數 的英文怎麼說
中文拼音 [nǐfànshǔ]
擬范數
英文
quasi norm-
Multi - element metallic cables used in analogue and digital communication and control - sectional specification for screened cables characterized up to 250 mhz - horizontal and building backbone cables
模擬和數字通信及控制中使用的多元件金屬電纜.不足250mhz的鎧裝電纜分規范.水平和建築物主幹電纜Multi - element metallic cables used in analogue and digital communication and control - sectional specification for screened cables characterized up to 600 mhz - horizontal and building backbone cables
模擬和數字通信及控制中使用的多元件金屬電纜. 600mhz及以下的鎧裝電纜分規范.水平和建築物的主電纜Multi - element metallic cables used in analogue and digital communication and control - sectional specification for unscreened cables characterised up to 250 mhz - horizontal and building backbone cables
模擬和數字通信及控制中使用的多元件金屬電纜. 250mhz及以下的非鎧裝電纜分規范.水平和建築物主電纜Multi - element metallic cables used in analogue and digital communication and control - sectional specification for unscreened cables characterized up to 100 mhz - horizontal and building backbone cables
模擬和數字通信及控制中使用的多元件金屬電纜. 100mhz及以下的非鎧裝電纜分規范.水平和建築物的主電纜Multi - element metallic cables used in analogue and digital communication and control - part 4 - 1 : sectional specification for screened cables characterised up to 600 mhz - horizontal and building backbone cables
用於模擬與數字通信和控制的多元件金屬電纜.第4 - 1部分: 600mhz及以下屏蔽電纜分規范.水平的和建築物主幹電纜Multi - element metallic cables used in analogue and digital communication and control - part 2 - 1 : sectional specification for screened cables characterised up to 100 mhz - horizontal and building backbone cables
用於模擬與數字通信和控制的多元件金屬電纜.第2 - 1部分: 100mhz及以下屏蔽電纜分規范.水平的和建築物主幹電纜Multi - element metallic cables used in analogue and digital communication and control - part 5 - 1 : sectional specification for screened cables characterized up to 250 mhz - horizontal and building backbone cables
用於模擬和數字通信和控制的多元件金屬電纜.第5 - 1部分: 250 mhz及以下的屏蔽電纜的分規范.水平和建築物主幹電纜Multi - element metallic cables used in analogue and digital communication and control - part 3 - 1 : sectional specification for unscreened cables characterised up to 100 mhz - horizontal and building backbone cables
用於模擬與數字通信和控制的多元件金屬電纜.第3 - 1部分: 100mhz及以下非屏蔽電纜分規范.水平的和建築物主幹電纜Multi - element metallic cables used in analogue and digital communication and control - part 6 - 1 : sectional specification for unscreened cables characterised up to 250 mhz - horizontal and building backbone cables
用於模擬和數字通信和控制的多元件金屬電纜.第6 - 1部分: 250 mhz及以下的非屏蔽電纜的分規范.水平和建築物主幹電纜Moreover two types of non - cooperative sequences estimation and despreading schemes are introduced briefly. 2. several usual blind code synchronization methods, including delay multiply ( sliding autocorrelation ), maximum norm and average noise reduction approaches are summed up and analyzed by computer simulations
2 、總結和介紹了幾種常用的盲碼同步方法，包括延遲相乘（滑動自相關）法、最大范數法、平均降噪法等，並進行了計算機模擬和分析。In this dissertation, nc tube bending process has been researched by using 3d fem numerical simulation in conjunction with theoretical analysis. based on the database technology, the nc tube bending simulation system ( nctbs ) is developed in order to make this process systematize and standardize and to control forming quality effectively. a brief introduction to the project and its results obtained are as follows : a mechanical model corresponding to reality has been established through analyzing the stress of nc tube bending process
本文著重採用計算機數值模擬，並與理論分析相結合，對數控彎管進行了三維有限元模擬研究，同時自主開發了基於數據庫技術的數控彎管模擬系統（ nctbs ） ，初步實現了數控彎管從設計、模擬到數控生產的工藝規程系統化和規范化，對有效實現數控彎管工藝的質量控制具有重要意義。Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high speed data applications - printed board connectors - detail specification for shielded two - part connectors having a basic grid of 2, 0 mm, fixed part with solder and press - in terminations for printed boards, free part with non - accessible insulation displacement and crimp terminations - part 4 - 107 : printed board connectors with assessed quality - detail specification for shielded two - part connectors havin
直流低頻模擬和數字高速數據用經過質量評定的連接器.印製板連接器.基本網格為2 . 0mm固定部分有印製板用焊接終端和壓入終端活動部分有不可及絕緣移動終端和壓接終端的屏蔽兩件式連接器詳細規范This is the main difference between nonlinear optimization method and other methods. ( 2 ) given a numerical model and a kind of observational data, it is difficult for traditional methods to separate model errors and initial errors. but nonlinear optimization method can do it by comparing the observational accuracy with the difference between the optimal initial field and initial observational data, even if when simulation results are good
而利用本文的非線性優化方法；通過比較最優初始場與初始觀測資料之差（范數意義下）和觀測精度（這個觀測精度應該是已知的）的大小，即使在模擬效果好的情況下，仍然可以在某種程度上對這一問題作出口答。The research paper is based on the the latest softwares of the managing inventory, its research subject is about simulating the most appropriate inventory quantity and ordering quantity by statisticing the probability of the random require quantity. its purpose is to provide the relied basement for determining the most appropriate inventory quantity and ordering quantity, the deterring policy quality will be raised, so the damage caused by unfit inventory quantity and the benefit of the entrerpreneur will be raised. the research method is by building the inventory management information system, the system includes automated management of parts entering and going out the datasbase. requesting the records of parts entering and going out the datasbase and displaying the sygonal when the inventory quantity is short out. computer calculating the fix period remaining, requesting remaining at any time and displaying if goods need ordering, all the partsof certain a product going out of basement and at the same time checking if the storaging quantity is enough. then simulating the most appropriate inventory quantity and ordering quantity simulating method is as follows : statisticing the random required quantity. calculating the probability, standing for the values with data range producing random data by function accordingly calculating the random required quantity. thenext step is simulating all the projects after pressing in the simulating conditions. finally selecting the best
本文通過分析國內外關于庫存管理軟體的發展情況，提出在線統計貨物出庫情況的基礎上利用模擬方法確定最優存儲方案，其目的是為制定合理的貨物安全庫存量和訂貨量提供可靠的依據，提高企業管理人員的決策質量，從而減小資金的佔用和缺貨損失，提高企業的經濟效益。通過研製庫存管理信息系統使庫存信息管理自動化，也就是實現貨物入出庫管理計算機管理、自動查詢貨物入出庫情況並在缺貨時給予提示、使用計算機貨物余額定期結算、貨物余額實時查詢並顯示是否需要訂貨、裝配出庫管理使得只要輸入需要裝配產品代號和數量，組成它的所有零件就會自動檢庫和出庫。然後對安全庫存量和訂貨量進行模擬，模擬方法是首先自動統計貨物在過去某一段時間內的需求量，計算出概率，用隨機數的范圍表示其概率數值的大小，利用隨機函數產生隨機數、從而間接的產生隨機需求量，給定模擬天數和其他模擬條件模擬各種方案，從眾多的存儲方案中找出最優存儲方案。Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high speed data applications - rectangular connectors - detail specification for 8 - way, shielded free and fixed connectors for data transmissions with frequencies up to 600 mhz minimum
直流低頻率模擬及數字高速數據系統用的已進行過質量評定的連接器.矩形連接器.最低頻率為不大於600mhz的數據傳輸用8道無屏蔽固定連接器的詳細規范Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high speed data applications - printed board connectors - detail specification for two - part connectors with shielding and a basic grid of 2, 5 mm - cable to board connectors, shielded against emc, grid 2, 5 mm, for high speed data rates, for use with printed boards
經過質量評定的直流低頻模擬及數字高速數據系統用連接器.印製電路板連接器.帶屏蔽和2 . 5mm基柵的兩件式連接器詳細規范.同印製板一起使用的高速數據傳輸率emc屏蔽防護和2 . 5mm柵格的電路板連接器電纜The scope of impersonation is restricted to the current database
模擬范圍只限於當前數據庫。The deflated restarted total minimization backward perturbation method ( drtminback ) is presented. when solving the nonsymmetric linear systems, the paper makes the total backward perturbation analysis to qmr method, and uses the total quasi - minimal backward perturbation ( tqmback ) technique. so the restarted total quasi - minimal backward perturbation ( rtqmback ) method is given
同樣地，對求解非對稱線性方程組的qmr方法作出了向後擾動分析，結合總體向後擾動范數擬極小化的技巧，給出了求解非對稱線性方程組的總體擬極小向後擾動（ tqmback ）方法。Multi - element metallic cables used in analogue and digital communication and control - sectional specification for unscreened cables - work area and patch cord cables
模擬和數字通信及控制中使用的多元件金屬電纜.非屏蔽電纜分規范.工作區域和臨時線路的軟線電纜Multi - element metallic cables used in analogue and digital communication and control - sectional specification for unscreened cables characterised up to 250 mhz - work area and patch cord cables
模擬和數字通信及控制中使用的多元件金屬電纜. 250mhz及以下的非鎧裝電纜分規范.工作區域和中繼電纜分享友人