基本解釋

• adj. [數(shù)] 欠定的
• v. 證據(jù)不足地說明（undertermine的過去式和過去分詞）

同根派生

• underdetermined相關(guān)詞

英漢例句

雙語例句

• A fast generalized complex sphere decoder is proposed for under-determined MIMO systems with fewer receive antennas than transmit antennas in this paper.
  它能處理多輸入多輸出系統(tǒng)（MIMO）中發(fā)送天線多于接收天線的情形，并能同時(shí)檢測具有格型結(jié)構(gòu)和不具有格型結(jié)構(gòu)的二維空間星座信號(hào)。
• In the end, productivity index threshold under different suitable-levels was determined by analyzing the frequency histograms distribution of 4 productivity index.
  通過分析多因素綜合作用下四項(xiàng)指標(biāo)的頻率分布情況，確定上述四個(gè)生產(chǎn)性指標(biāo)在不同宜耕等級(jí)下的閾值。
• Alcohols, after in situ derivatization to the corresponding alkyl xanthates under phase-transfer catalysis, were determined in aqueous solution by differential-pulse polarography.
  通過相轉(zhuǎn)移催化反應(yīng)使樣品中的醇就地衍生為黃原酸鹽，然后用微分脈沖極譜測定。

權(quán)威例句

• We conclude that, under a paper-money system, a determined government can always generate higher spending and hence positive inflation.
  FORBES: Golden Lessons From Helicopter Ben And Spanish Galleons
• The second problem is that the government has been determined to get its own debts under control by raising taxes and social-security contributions, which the economy manifestly cannot at present afford.
  ECONOMIST: Japan makes a stand, sort of The

• underdetermined更多例句

詞組短語

短語

• under -determined ICA algorithm 欠定算法

• underdetermined更多詞組

專業(yè)釋義

電子、通信與自動(dòng)控制技術(shù)

• 欠定

  The underdetermined blind source separation algorithms in time-frequency domain are researched.
  研究了欠定情況下的時(shí)頻域盲分離算法。

  計(jì)算機(jī)科學(xué)技術(shù)

• 欠定

  Considering that images are insensitive to small distortion, blind source separation (BSS) based image encryption utilizes the apparent intractability of the underdetermined BSS problem to encrypt multiple images.
  根據(jù)圖像允許微小失真的特點(diǎn)，盲源分離圖像加密方法利用盲源分離理論的欠定難題實(shí)現(xiàn)了多幅圖像加密。

  數(shù)學(xué)

• 欠定的