目標寬度 的英文怎麼說
中文拼音 [mùbiāokuāndù]
目標寬度
英文
target width-
By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw
同時利用該方法解決了fmpcw信號的由於目標距離超過雷達的最大單值測距范圍而引起的距離模糊問題。然後對fmicw波形參數中最為重要的脈沖寬度進行了分析，給出了更為嚴格的約束條件，保證了信號處理后距離譜峰值的唯一性。最後，分別介紹了fmpcw和fmicw信號的不同處理方式，並對兩者不同的時域濾波性能進行了比較，並對二者的差異進行了分析。5. two criteria are put out in straw classification process. the first one is based on the proportion of length and width of object ' s bound box, and the second one is based on the circularity of object
5針對秸稈物體的形狀特徵，提出用物體外包矩形的長寬比以及物體的圓形度二準則依次進行目標形狀判斷的方法。According to these questions, we could find the material countermeasures : scientific property rights should base on the stock reforming, control the agent ' s " seeking rent " behaviour, eliminate the controlling of state stock ; bank should firmly circumfuse operational, informatics, normal objects, make out rigid interior institutions ; considerated our financial material situations, the institution of supervision should integrate the interior supervision and exterior supervision and leave on indirect supervision. we should fast establish a leading supervision system without changing the segre gation situation, so as to support a better environment for innovation and also better keep away innovation risk
針對這些原因，提出了如下對策：科學的產權制度應對商業銀行實施徹底的股份制改造，減少內部人控制現象，克服國有股一股獨大現象；商業銀行應緊緊圍繞「操作性目標、信息性目標、合規性目標」三大目標，建立互相制衡、有力約束的剛性的內控制度；考慮我國金融業的具體情況，新的監管制度以間接監管為主、內外監管相結合，建立由央行為首的「牽頭監管模式」 ，統一金融監管，給銀行業務創新提供一個較為寬松的環境並且實現對業務創新的風險的有效防範。Third : carve out channel, using extracurricular action to solve environmental problem, chemistry extracurricular action is use environmental chemistry and green action a main carrier, the goal is improve students environmental consciousness, establish right environmental valuable, concept and attitude, consolidate students habits of environmental action, foster students craftsmanship which is how to solve environmental problem, and the trait is fit for environmental trait and need of the epoch development, bring into play students initiation plenitude, enhance students " entirety of diathesis, the students none but go deep into the society practice, join many kinds of exercise actively, they can get clear experience, realize the importance of the protect environment, on the other hand, they can study the knowledge about environmental chemistry, develop craftsmanship about protect environment, improve the students " ability of using the knowledge to solve actual environmental problem
三、拓寬渠道，利用課外活動參與解決環境問題。化學課外活動是以環境化學和綠色行動為主要載體，以充分提高學生的環境意識、樹立正確的環境價值觀與態度、強化學生的環境行為習慣、培養學生參與解決環境問題的技能為目標，以最新的現代環境知識、環境觀念和學生的直接經驗為主要內容，以適應當地環境特點和時代發展需要，充分發揮學生的主體性、發展學生的全面整體素質。學生只有深入社會實踐，積極參加各種活動課，在活動中一方面獲得真切的感受，體會到環境保護的重要性，另一方面可使學生較好掌握環境化學有關知識，發展環保技能，提高學生靈活運用知識初步解決實際環境問題的能力。The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering
本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。The author has finished the following several jobs in core of the centre : 1 ) the active compensation method based on bang - bang control was put forward to realize the wide range current transformer. the method converts the complex statement space to i / o description by the two - stage current transformer. with the compensation method, the accuracy of 0. 2 grade current transformer can be improved to less than the 0. 1 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating
圍繞這一工作核心，作者完成了以下幾項工作： （ 1 ）以實現寬量程電流互感器為目標，提出了基於bang - bang控制的有源補償方法，採用雙級電流互感器，將復雜的狀態控制分量轉化為偏差控制，該方法結構簡單，調試方便，有源補償器輸出電流小，可以將0 . 2級的電流互感器經過補償后提高到一次電流從額定值的2變化到120時，測量誤差不超過一次電流額定值100時準確度為0 . 1級的測量標準。3 - dimension parameters of 2 - 4 targets can be jointly estimated as long as the direction intervals are greater than half beam width
在目標方位間隔大於半波束寬度時，可實現2 4個目標的三維參數聯合估計。The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function
作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。Isar transmits wide bandwidth signals to obtain high range resolution. the cross - range resolution is obtained by the doppler frequency information of the target ’ s rotation
逆合成孔徑雷達通過發射大帶寬信號獲得好的距離解析度，利用目標相對于雷達的轉動產生多普勒頻率梯度來獲取好的方位向分辨力。In order to make up the deficiency, the science workshop datalogger made in the u. s pasco company has been used in this dissertation. the advantage of the datalogger has been extruded by the research of experiments for verification, inquiring experiments and application experiments which worked in the catalogue of the new physics courses for teaching. as a result, a fine acuity perceptional and observational ability of student will be developed, a cognitive framework will be improved, the space for investigative learning will be enlarged, multiple intelligences will be optimized and brain memory structures will be consolidated if the datalogger has been used in teaching physics experiments
數據採集器作為一種現代化設備運用於物理實驗教學，國外的研究資料已證明具有巨大的優勢，而國內才開始起步還沒有形成一個系統，為了彌補不足，本文採用美國pasco公司生產的scienceworkshop數據採集器系統設計實驗，從教學角度出發並配合物理新課程的總目標，分別從驗證性實驗、探究性實驗、應用性實驗三方面設計實驗，突出了數據採集器的優勢：即培養學生精細敏銳的感知和觀察能力，改善學生的認知結構，拓寬學生探究性學習的空間，優化學生的多元智力和強化學生的大腦記憶結構。The experiment shows mbid can produce the enhanced pressure field at hydrophone array, provide modal domain representation of pressure ( modal functions and horizontal wavenumbers ) and target ' s bearing ( plane waves ), and have good adaptive ability and robustness against mismatch
實驗數據和模擬數據的結合驗證了模基辨識器不僅能夠產生增強的水聽器陣處的聲壓場表示，而且能夠輸出模域表示（模深度函數和水平波數）和目標的方位（平面波模型） ，也具有較好的自適應性及對失配的寬容性。For sound pickup, acoustic processing aims at the design of transducers or transducer arrays to achieve a durable directionality ( beam steering and width control ) as well as noise resistance
對于拾音，聲學處理的目標是設計耐用的指向性（束調整和寬度控制）及抗噪聲換能器或換能器陣列。In the skeleton extraction, an novel approach for extracting the skeletons directly from the gray images is developed by simulating the procedure of water eroding the topography surface. the resultant skeletons are single - pixel width and connected. it also lies in the middle line of the object and keeps the topological properties of the original image unchanged
在骨架提取方面，論文提出了一種通過模擬水流沖刷地形表面的過程來直接從灰度圖象中提取目標的骨架的高效演算法，它可以得到連通的、保持目標的拓撲屬性的、處在目標的中線上的、近似單象素寬度的骨架。The algorithm can be applied to connection routing in pcbs with various pad geometry and pad sizes, with different wire widths and variable distances between wires. the basic element in routing is the search line with a given destination. the main features of the router are the target orientation of the search lines, the routing efficiency is guaranteed by rationally designed data structures and by the ability of searching around obstacles, the small amount of working storage and the reasonably short routing time
該布線演算法適用於焊盤外形尺寸不一，線寬及線間距離可變的印刷電路板布線，其基本要素是帶有預定終點的探索線，特點是線探索具有目標針對性，設計合理的數據結構及靈活的繞障探索方式可大大提高搜索效率，所需存儲量小，布線速度快。This thesis set forth the method and process of designing to kiln tyre using robust method. when constructing the math model, it was thought of that there were structure parameters, such as the tyre " media and width, and a series of uncontrolled factors ( contact stress, bend stress stiffness and temperature stress, and the aim is to optimize the weight of the tyre )
在構建數學模型中，考慮了輪帶內徑、輪帶寬度等結構參數以及輪帶的允用接觸應力、允用彎曲應力、輪帶的彈性模量、輪帶內外表面的溫差等不可控因素，以輪帶的接觸應力、彎曲應力、剛度溫度應力為約束條件，以輪帶的重量最輕為優化目標，通過改變輪帶的寬度以及輪帶的外徑進行參數優化設計。Ultra windband synthetic aperture radar ( uwb - sar ) has a broad applications because it can produce fine images of concealed targets with the capabilty of penetrating the foliage and the surface of the earth. lt has been an important sign for acquiring high - resolution images of uwb - sar for real time processing, and the efficient imaging algorithm is the pivotal and the fundation
超寬帶合成孔徑雷達（ uwb - sar ）能夠穿透葉簇和地表實現對隱蔽目標的精細成像，有著廣泛的應用前景，高解析度uwb - sar圖像的實時獲取已成為成像雷達發展的一個重要標志，而高效成像演算法又是它的關鍵和基礎。At last this paper points out that precision of test can be improved by enhancing reflection level of quiet - zone, and researches the relation of reflection level, precision of test and main lobe of testing radar
最後指出可以通過提高靜區靜度指標要求到達提高試驗精度的目的，並研究了靜區指標與被試品主瓣寬度、角模擬精度之間的關系。The proposed jtc greatly reduces the intensity and width of the strong dc component, sharpens the correlation peak, eliminates cross - correlations among each input target, and the conjugate cross - correlation between the reference and input targets at the same time. in order to calculate the discriminant probability of the objects, a simple but self - explainable statistic function was presented to show where the true object and false object occurred in the unknown input image sequence
在此基礎上，論文提出了基於位相編碼振幅調制的畸變不變多目標識別聯合變換相關技術，即通過改變隨機位相模板的調制因子的大小來改善相關輸出的性能，一步消除了共軛相關項、輸入待識別圖像之間的互相關項，並大大降低了零級相關峰的能量和寬度。In this paper, an optimization design cad system of detached foundation of transmitting electricity iron tower has been studied. the system uses an easy and efficient method named grid search to find out the minimum cost of an detached foundation. at the same time, the depth and width of foundation, the width of column, the thickness of foundation plan have been ascertained
本論文研究開發的輸電鐵塔獨立基礎優化設計cad系統，以最小費用為目標，採用簡單、有效、易於編程的有約束非線性規劃方法? ?網格搜索法，對輸電鐵塔獨立基礎進行優化設計，確定出基礎埋深、基柱寬度、底板寬度、底板厚度等合理截面尺寸，並開發出計算、出圖一體化的優化設計計算機輔助設計系統。Specifies the width ( in logical units ) of the destination rectangle and source bitmap
指定目標矩形和源位圖的寬度（邏輯單位） 。分享友人