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- Redundant adribute in data set will lead to low precision and low interpreting ability of data mining. 數據集中的冗余屬性會(huì )降低數據采掘結果的解釋能力及精度。
- Not only low precision system but also high precision system can both appy the algorithm. 并通過(guò)計算機模擬顯示，其結果能正確反映海流的實(shí)時(shí)狀態(tài)。
- VSM is analyzed to find the reason for its low precision, and propose an approach by using the contents of hyperlink neighboring pages. 本文分析了向量空間模型的實(shí)質(zhì),并找出了其精度低的原因,在傳統模型基礎上提出了一種基于網(wǎng)頁(yè)超鏈接結構的向量空間模型改進(jìn)算法。
- The electromagnetic system design of instantaneous trip used to be calculated on the basis of experience and magnetic circuit and made low precision. 瞬時(shí)脫扣的電磁系統設計以前通常根據經(jīng)驗和磁路方法計算，誤差較大，利用Ansys基于場(chǎng)的電磁場(chǎng)數值解法，求出其電磁鐵的靜態(tài)吸力，并根據分析結果進(jìn)行修改，有效地提高了設計效率。
- Thought Web Mining has numerous commercial applications,there are many problems in it,for example,enor-mous computation and low precision etc. Web挖掘技術(shù)在商業(yè)上有廣泛的應用前景,但現有的Web挖掘技術(shù)存在計算量大,精度不高等問(wèn)題。
- But they have many disadvantages, including small scope, low precision, low distinguishability, inefficiency, and easy to bring human error. 2、效率低，自動(dòng)化程度不夠，不利于自動(dòng)測量；
- There is many workload, low efficiency, highly cost, low precision, etc. and many problem in traditional survey technology. 摘要傳統常規的測量手段具有工作量大、效率低、費用高、精度低等多方面的問(wèn)題。
- Traditional grid service matching is based on keyword, and has shortages such as inflexibility, low precision and recall. 傳統的網(wǎng)格服務(wù)匹配一般是基于關(guān)鍵字匹配,這種匹配方法缺乏語(yǔ)義信息,靈活性差,查全率低。
- Using traditional measurement method for si lk sectional area,it waste time,strenuosity,and low precision disfigurement. 針對傳統的蠶絲截面積的測量方法費時(shí),費力且精度低的缺點(diǎn),提出了基于計算機視覺(jué)技術(shù)的蠶絲截面積測量方法。
- Niche chaotic mutation particle swarm optimization (NCPSO) is proposed to overcome the problem of the premature and low precision of the standard PSO. 摘要針對粒子群算法早熟收斂和搜索精度低的問(wèn)題，提出了基于混沌變異的小生境粒子群算法(NCPSO)。
- It is feasible to process tenuous hole with low precision on the plain lathe by adopting appropriate clamping apparatus &drilling tools and proper processing technology. 設計適當的夾具和鉆具、采用合適的加工工藝，在普通車(chē)床上進(jìn)行特度要求不高的細長(cháng)孔的加工是可行的。
- Whilethere is only a single criterion in the existing bank seal automatic recognition system ofmarket with the deficiencies of low rapidity and low precision. 已不能適應銀行業(yè)務(wù)的需要.;而市場(chǎng)現有的銀行印章自動(dòng)識別系統又存在判據單一
- The low precision characters of the integrated inertial/stellar attitude determination system consists of MEMS(micro electromechanical systems) gyros and CMOS APS star sensor. 針對基于MEMS(微機電系統)陀螺和CMOS APS星敏感器的集成慣性/星光姿態(tài)確定系統的低精度特點(diǎn);研究了適用于該定姿系統的基于矢量觀(guān)測的定姿算法.
- The ordinary truncated element is widely adopted in engineering for analysis of revolutionary shell, but it has low precision on the calculation of stress and strain. 普通截錐殼單元是分析旋轉殼結構的常用單元，但應力計算的精度較差；
- The observed terrain elevation sequence is obtained from the barometer and the radar altimeter,but the low precision of the barometers limited their application on the aircrafts. 實(shí)時(shí)測量的高程序列由慣導的高度通道和雷達高度表獲得,首先對實(shí)測的和從電子地圖中獲得的地形高程序列分別進(jìn)行零均值化處理,然后再運用相關(guān)法進(jìn)行匹配。
- It shows that the IMU with the medial and low precision can satisfy the precision demand of two-dimension TCF of the certain rocket using this precision compensation model. 結果表明,利用此精度補償模型,中、低精度的IMU就可以滿(mǎn)足某型火箭彈二維彈道修正引信的精度要求。
- Aiming at the problem of guided bombs in low precision, a kind of intelligent control system of guided bomb based on adaptive neuro-fuzzy inference system(ANFIS) is presented. 摘要針對目前制導炸彈命中精度低的問(wèn)題，首次提出一種基于進(jìn)化自適應神經(jīng)模糊推理系統(ANFIS)的制導炸彈智能控制系統。
- By default, SQL Server uses rounding when converting a number to a decimal or numeric value with a lower precision and scale. 默認情況下,將數字轉換為較低精度和小數位數的decimal或numeric值時(shí),SQL Server會(huì )進(jìn)行舍入。
- The results showed that the precision of GPS Agl32 is the highest, than are GPS25 OEM plate and MAP330, and MAPS 15 with the lowest precision. 得出如下結論：農用差分GPS Ag132定位精度最高，其次為GPS25 OEM板和MAP330，而MAP315最差。
- Most bore tests adopt traditional observations by eyes at present and the low precision and too many errors of test results are hardly suitable to modern bore producing technique and hamper the rapid development of national defense industry. 目前的炮膛檢測絕大多數仍采用傳統的肉眼觀(guān)察,測量結果的低精度、大誤差很難適應現代化的火炮生產(chǎn)技術(shù),從而阻止了國防業(yè)的迅速發(fā)展。
