centroid
美 ['sentr??d]
英 ['sentr??d] 
- n.質(zhì)心;重心;〔物〕中心;圖心
- 網(wǎng)絡形心;矩心;面心
英漢解釋
n. | 1. [物]矩心,質(zhì)心,質(zhì)量中心形心曲線,心跡線 |
例句
An approach is proposed that this deviation can be obtained by using the weld pool image centroid and a Kalman filter.
為此提出一種利用熔池圖像質(zhì)心和卡爾曼濾波來間接獲取電弧與焊縫偏差的方法。
The position of each station is one of the two horizontal projections of the department centroid along the path of the transport system.
每個站的位置是沿交通系統(tǒng)的道路部門的質(zhì)心的兩個橫向預測之一。
Furthermore, the centroid of a tensor product of a simple Lie triple system and a polynomial ring is completely determined.
更進一步地,完全確定了一個單李三系和一個多項式張量積的型心。
The weighted centroid localization algorithm has higher accuracy than maximum likelihood estimation and can be applied to many applications.
節(jié)點定位精度較常用的極大似然估計算法高,具有較普遍的應用意義。
We studied the relationship between the solidity of transverse sections, centroid motion angles, and pulse fluency, during a cardiac cycle.
目的:探討周期運動過程中橈動脈橫切面固靠性、軸心運動軌跡所形成角度與脈象流利度之間的關系。
The user model is expressed in form of vector space model. It's built using centroid-based classification method.
基于向量空間模型表示用戶模型,采用重心向量分類算法建立用戶模型。
If this load centroid is behind the elastic axis of the wing structure, then a nose-down twist of the main wing surface results.
如果該載荷重心在機翼結(jié)構(gòu)彈性軸之后,則引起主機翼表面前端向下的扭轉(zhuǎn)。
In this paper, three heuristic rules were brought forward for obtaining a centroid vector corresponding to a root set.
本文給出三種啟發(fā)式規(guī)則用于獲取根集文檔的質(zhì)心向量。
The excursion of centroid position of focal spot may be easily acquired with the centroid position expression of focal spot.
利用焦斑質(zhì)心位置表達式,可分析和確定由于振幅調(diào)制和相位畸變導致的質(zhì)心位置偏移。
Airborne radar moving target detection ( MTD ) systems must accurately estimate clutter spectrum centroid to suppress the clutter.
在機載雷達動目標檢測(MTD)處理中,為了有效抑制雜波,必須先對雜波譜中心進行準確估計。
In the theory of distance discrimination, we often do discrimination analysis by centroid distance method.
距離判別理論中,通常采用重心距離來定義類與類之間的距離對待判樣品進行判別。
The conventional monopulse radar will track a power weighted centroid of target and be interfered when centroid-interference is present.
存在質(zhì)心干擾情況下,普通單脈沖雷達將跟蹤干擾與目標的能量重心。
A model of the beam centroid motion in a linear induction accelerator(LIA) was developed.
給出了直線感應加速器在磁體失準情況下電子束質(zhì)心運動軌跡的計算機模型。
Logistics Center, Site-selection, Model for Centroid Method, Analytic Hierarchy Process, Case Analysis.
物流中心;選址問題;重心法模型;層次分析法;實例分析。
Doppler centroid estimation is one of the most important steps in the DBS imaging of airborne pulse Doppler radars.
多普勒質(zhì)心估計是機載脈沖多普勒雷達DBS成像技術中最為關鍵的步驟之一。
This system adopts difference algorithm to detect moving target, and uses centroid tracking to track the target automatically.
該系統(tǒng)運用差分法來檢測運動目標,并采用形心跟蹤法來自動跟蹤目標。
The spectral centroid shift (SCS) of ultrasonic backscattering signals is introduced to assess cancellous bones.
采用超聲背散射信號的質(zhì)心偏移量來評價松質(zhì)骨。
At supersonic speeds the control load acts mainly on the deflected surface itself , and hence has its centroid even farther to the rear .
超音速時操縱載荷主要作用在偏轉(zhuǎn)面本身上,因此它的作用中心甚至更加靠后。
The properties of Doppler centroid frequency and Doppler frequency rate of GEO SAR is discussed in detail.
探討了同步軌道SAR多普勒中心頻率和調(diào)頻率的特征。
The singular points are accurately detected at the centroid of the connected component.
采用連通區(qū)域求質(zhì)心的方法精確定位奇異點。
However, the speed of vehicle centroid is zero when a vehicle testing on a roller test-bed.
但在滾筒試驗臺上檢測時,汽車質(zhì)心速度為零,是一種靜態(tài)檢測。
The varying centroid control system was studied, by which a spinning warhead realizing the terminal maneuvering.
對自旋彈頭實現(xiàn)末端機動的變質(zhì)心控制系統(tǒng)進行了研究。
Centroid jamming is an important means for naval vessels resisting anti-ship missile.
質(zhì)心干擾是水面艦艇對抗反艦導彈的一種重要手段。
The numerical example shows that the centroid method is not appropriate.
數(shù)值計算表明:該方法不可取。
The theory and simulation show that the centroid method has the advantages of higher precision and easier implementation.
理論分析和仿真表明,質(zhì)心法具有測距精度高、算法簡單、易于實現(xiàn)等優(yōu)點。
The vertical centroid of land utilization type was descending, except irrigated fields, grassland with high coverage, and other grassland.
除水田、高覆蓋草地和其他草地外的土地利用類型垂直重心下降。
Meteorological factors had no impact on the diurnal centroid for latent heat flux.
潛熱通量日變化峰值時間與氣象要素關系均不顯著。
Then the significant region is obtained from the normalized image by utilizing the invariant centroid theory.
然后結(jié)合不變質(zhì)心理論提取出歸一化圖像的重要區(qū)域;
The analyses on the variable centroid controlled spinning missile were made by utilizing the root locus method.
利用根軌跡法對變質(zhì)心控制旋轉(zhuǎn)導彈的穩(wěn)定性進行分析,給出了變質(zhì)心控制導彈穩(wěn)定的充分必要條件。
of or relating to (especially passing through) a centroid.
屬于、關于重心(尤其是穿過重心)。
The effective simulation method of incision impact of target RCS is discussed according to the main characteristics of centroid jamming.
針對艦艇箔條質(zhì)心干擾的主要特點,探討目標RCS切割效應仿真的具體實現(xiàn)問題。
From the view of practical applications, the detection precision of light centroid method is introduced.
本文即從實際應用的角度出發(fā),闡述了光重心法在LAMOST光纖位置檢測中的精度問題。
It is proved that the scheme of phase compensation is virtually equivalent to the track Doppler centroid method.
從理論上證明了所采用的相位補償法與多普勒中心跟蹤法是等效的。
Compute the centroid, which is the average of each column of data using only the members of each cluster.
計算重心,即只使用每個群集的數(shù)的每列數(shù)據(jù)的平均數(shù)。
Then we use the triangular-centroid method to estimate the location of the unknown nodes.
然后再利用三邊循環(huán)法估計未知節(jié)點的位置。
The centroid accuracy of star tracker is the base of other accuracies. Its pointing accuracy is required to reach arc second scale.
高精度星敏感器星點光斑的質(zhì)心精度是星敏感器整體精度的基礎,它需要達到角秒級的量級。
This paper proposes a fault-tolerant reconfigurable controller for attitude control system of space crafts with abrupt changes of centroid.
研究了一類質(zhì)心突變飛行器姿態(tài)控制系統(tǒng)在發(fā)生故障時的一種控制律重構(gòu)方法。
In this paper, two robust digital watermarking algorithms based on image normalization and invariant centroid theory are proposed.
以圖像歸一化和不變質(zhì)心理論為基礎提出了兩種安全性較高的數(shù)字圖像水印算法。
The problems of target moving analysis to centroid's and shape's towed linear array are studied.
研究了質(zhì)心與形體拖曳線列陣目標運動分析;
An algorithm to recognize unconstrained handwritten numerals based on centroid layer feature is proposed in this paper.
采用了基于字符質(zhì)心的層次特徵對無約束手寫體數(shù)字進行分類識別。