例句與造句

1. It can be concluded that the normal equation of this type of problems depends only on the orbit
   基于這一特點(diǎn)，闡明了最小二乘解算結(jié)果與是否使用參考重力場(chǎng)模型是無(wú)關(guān)的。
2. The characteristics of the normal equation created in recovering the earth gravity model ( egm ) by least - squares ( ls ) adjustment from the in - situ disturbing potential has been discussed in detail
   摘要討論了在基于能量法確定地球重力場(chǎng)模型的過(guò)程中，利用最小二乘方法由沿軌擾動(dòng)位數(shù)據(jù)解算位系數(shù)時(shí)法方程的特性，在該問(wèn)題中，法方程只與衛(wèi)星軌道有關(guān)。
3. As we know , there exist some defects in solving normal equation system . in order to overcome the shortcomings , the singular - value decomposition method and its applications in direct solving the ill - conditioning observation equation are studied
   最后針對(duì)法方程解算方法存在的缺點(diǎn)，主要研究了矩陣的奇異值分解技術(shù)在直接解算病態(tài)觀測(cè)方程中的應(yīng)用。
4. A direct iteration method in solving normal equations by means of bidirectional asynchronous integral has been successfully exploited , so that it can efficiently overcome the difficulty in solving two - point boundary value problems resulting from inverse stability between state equation and co - state equation
   文中提出雙向異步積分迭代求解正則方程組的直接迭代法，較好解決了狀態(tài)方程和協(xié)態(tài)方程穩(wěn)定性相逆給求解兩點(diǎn)邊值問(wèn)題帶來(lái)的困難。
5. This paper deals with the solution for 200 000 order normal equations in combined adjustment of astro - geodetic and space networks by using conjugate gradient method , puts forward a scheme of adjusting the coefficients and a strategy of separation as well as mergence between the adjustment and inversion
   本文研究了用共軛梯度法解算天文大地網(wǎng)與空間網(wǎng)聯(lián)合平差中20萬(wàn)階法方程的有關(guān)問(wèn)題，提出了“系數(shù)調(diào)整策略”和“平差與求逆既分又合的策略” 。
6. It's difficult to find normal equations in a sentence. 用normal equations造句挺難的
7. Based on the normal equation algorithm to fir system identification and wavelet iteration , a method to estimate the wavelet from the third - order cumulant of field data is developed . due to the fact that higher order cumulant retains the phase information of the signal , and can suppress the gaussian noise ( color or white noise ) naturally , we can improve the time resolution via inverse filtering the wavelet estimated
   本文在基于高階累積量的fir系統(tǒng)辨識(shí)基礎(chǔ)上，利用觀測(cè)信號(hào)的三階累積量對(duì)探地雷達(dá)子波進(jìn)行估計(jì)，提出一種簡(jiǎn)單的迭代算法改善了波估計(jì)性能，據(jù)此進(jìn)行反褶積，改善反射信號(hào)的信雜比和時(shí)間分辨率。
8. It is demonstrated that the solution for 141 000 order normal equations for a simulated astro - geodetic network ( 47 057 points ) and a space one ( 476 points ) iterates 4 993 times to converge to 1 10 - 18 second , taking 28 min and 47 seconds , on a pii / 233 computer , showing over 40 times more efficiency , as compared with the coefficients unadjusted
   利用模擬的天文大地網(wǎng)( 47057點(diǎn))和空間網(wǎng)( 476點(diǎn))在pii / 233微機(jī)上解算14 . 1萬(wàn)階方程組共迭代4993次(收斂至1 10 - 18角秒) ，花費(fèi)機(jī)時(shí)28分47秒，與未進(jìn)行系數(shù)調(diào)整相比，功效提高40多倍。