相對周相差 的英文怎麼說
中文拼音 [xiāngduìzhōuxiāngchā]
相對周相差
英文
relative phase difference- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 周 : Ⅰ名詞1 (圈子; 周圍) circumference; periphery; circuit 2 (星期) week 3 [電學] (周波的簡稱) c...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
- 相差 : phase difference
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Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used
通過對差頻信號進行的分析,得出了差頻相位的具體表達式,表現出了要檢測的各量的物理意義,對檢測的方法提供了理論依據。利用二維fft方法,可以有效地提取回波中目標的距離與速度信息。對于fmpcw信號由於均勻脈沖產生的周期性距離模糊的問題,採取時間波門的處理方法。T active immunization could maintain its castration for a period, at the age of 11w, the development of combs and wattles were evidently slower in the immunized groups ( p < 0. 05 ), and the testes atrophied. meanwhile, both its serum t concentration and body weight were evidently lower than the untreated group. 2. the does of 0. 2mg / ml produced the best immunisation performance and promotion growth effecct, we could induce the dosage was the main factor in deciding the final effect, injection at w3 achieved the best result
11周齡時,各免疫組雞體重、血漿睪酮含量顯著( p 0 . 05 )低於對照組,睪丸及冠垂發育受到抑制,明顯發生萎縮,其中以0 . 2mg / ml劑量, 3周齡免疫抑制作用最為明顯;此後隨著日齡的增長,免疫抑制作用逐漸下降,到15周齡時,免疫抑制作用明顯逆轉,機體的生長發育恢復正常,免疫各組與對照組相比測定指標無顯著性差異( p 0 . 05 ) ;至19周齡,各免疫組睪丸和冠垂生長發育、體重、血漿睪酮含量都顯著( p 0 . 05 )高於對照組,其中以0 . 2mg / ml劑量組, 9周齡免疫促生長作用最為明顯。For rotor steel ( 30crlmolv steel ), the tests of low - cycle fatigue property are done under different temperatures. the fatigue life under different temperatures is researched to make up for the defects of the testing for foreign similar materials. when pull - stretch data is attempted to evaluate low - cycle fatigue data, the result shows that four - point associated method in middle - low life zone is done well under room temperature, but there are large errors of four - point associated method and general - slope method under other temperatures
在本文中,通過與國外同類材料的性能進行比較,國產材料與國外材料共有的材料特徵基本相同;對轉子鋼( 30crlmolv鋼)進行了不同溫度下的低周疲勞性能實驗,研究其在不同溫度下疲勞壽命,以彌補國外對同類鋼材測試的不足;採用拉伸數據預測低周疲勞壽命時發現,室溫條件下用四點關聯法在中低壽命區預測較好,在高溫條件下四點關聯法和通用斜率法都有較大誤差,需要進行改進。At the surface of the pollen grains there are three types of aperturates, including three porates type, three colpates type and three porate - colpates type ; and four types of sculpture, namely, reticulate, striate, striate - reticulate and verrucate. the upper epidermal cells of the leaves of 12 species plants are detected with hpias - 1000 image analytic system through the treatment of binarization, and the experimental methods are proved stable. the results indicated that the waviness of the anticlinal walls ( sfc ) and the ratio of the feret ' s diameter ( slf ) of the epidermal cells of the middle lamina in the third node of leaves starting from the lowerest part of the stem have a relative constant range and could distinguish from each other. oieanolic acid, l, 5, 8 - trihydroxy - 3 - methoxyxanthone and swertiamarin are separately detected on the tlc, and the different chromatogram of various plants can be considered as characters of identification. the contents of oleanolic acid in 12 species of plants are determinated by hplc, but among the different plants and botanical organs their contents are different, and the highest content in flowers
本文對川鄂產獐牙菜屬藥用植物資源進行了野外調查、標本採集和鑒定,對12種乾燥藥材的性狀進行了描述,提供了可以鑒別的特徵。通過掃描電子顯微鏡觀察的12種本屬藥用植物的花粉粒均為單粒花粉,萌發孔有3孔型, 3溝型和3孔溝型三種類型;表面紋飾包括網狀紋,條狀?網狀紋,條狀紋和瘤狀紋四種類型。用hpias ? 1000高清晰度彩色病理圖文分析系統對葉片上表皮細胞作圖像分析,並進行方法學研究,結果表明,同種植物莖上第3節葉片中段主脈和第1側脈之間葉上表皮細胞垂周壁彎曲程度sfc值和細胞縱、橫向直徑的比值slf值,種間有顯著差異,每種都有相對恆定范圍值。The analysis showed that terms of trade and volatility of the output gap were predominant among the structural variables. the paper concluded that hong kong, as a small and open economy, was specialised and subject to high income volatility and business cycle fluctuations with relatively concentrated and limited domestic investment opportunities
分析顯示貿易價格比率及產值差距波動是其中主要的結構性因素,並總結認為香港作為細小及開放型的經濟體系,情況獨特,備受收入大幅起伏經濟周期波動,以及本地投資機會相對集中與有限的影響。Hence the political work cannot solve the problem of the officers. but with the functioning of the encouraging theory, we can make clear the requirements, including the causes of that, of the officers and with the encouraging methods handling on them, we can ensure they will determine their future and realize their requirement in the army. furthermore it ensures the stability of the army, which also keeps up the combat effectiveness and solve the management problem of the officers fundamentally
眾所周知,我軍是善於做政治思想工作的部隊,保持高度的政治、思想穩定性是部隊的基本要求,但隨著市場經濟的不斷發展,軍地反差日趨加大,而專業技術軍官從事高智力工作,和地方從事同樣工作的人員相比,收入相差巨大,再加之專業技術軍官沒有領導職務,缺乏工作成就感,這就使單純的政治思想工作不黑急軍官的需要和成因,摸清他們的思想狀況,對他們進行有效地激勵,既保證他們能在部隊建功立業,實現自己的需要,又保證部隊的穩定性和戰鬥力的提高,只有這樣才能從根本上解決專業技術軍官的管理問題。As freshmen began a new life on university campuses this week, those from well - off families have been on shopping sprees while others with humbler financial resources were scrambling to pool enough money to fund fees and living expenses
新生們本周開始了大學新生活,來自條件優越家庭的孩子已經開始購物,但經濟條件相對較差的學生則必須攢錢來維持基本的生活開銷。Abstract : the attitude error performance of electrostatic gyro should be understood and the relevant error equations must be set up in order to ensure the navigation precision of esgm. the relation between the navigation errors and the attitude errors of gyro was derived by use of spherical triangle. the simulation results show that the temporal performances of the longitudinal and distance errors which come from the initial alignment errors are periodically variational. they also show that the longitudinal and distance errors resulted from gyro drifts are not convergent in time. thus, the effects of initial alignment errors and gyro drifts can not be neglected and must be estimated and compensated
文摘:為了保證靜電監控器的導航定位精度,需要了解靜電陀螺的姿態誤差特性,建立相應的誤差方程.本文採用球面三角形原理推導了導航定位誤差與陀螺姿態誤差的關系式.模擬結果表明,由初始定向誤差引起的經度誤差和距離誤差的時間特性是周期變化的;由陀螺漂移引起的經度誤差和距離誤差是隨時間發散的.因此,初始定向誤差和陀螺漂移的影響不能忽略,必須對其進行估計和補償The result show, most of the medium - strong earthquakes faults are dip - slip reversed, distribution of the main stress p axis is sector from west to east ; there are large difference between kuche and baicheng region in seismic activities, but the characteristic of cluster is same in the two region ; the distribution of medium - strong earthquakes is nw direction in baicheng region, it show, there can have a concealed fault ; small earthquake clusters ' activities can reflect the effect that local medium - strong earthquakes to the secondary small structure around it
結果表明:南天山東段中強震震源斷錯以傾滑逆斷為主,主壓應力p軸由西到東呈扇形分佈;相距較近的庫車與拜城地區地震活動存在較大差異,但均存在明顯的成叢性分佈特點;拜城地區中強地震分佈呈北西向可能預示著該區存在隱伏斷裂,小震群活動則可能反映了局部中強震對周圍次級小構造的影響。( 2 ) when analyzing the testing method for the " day - of - week effect ", we considered the ols regression effect and the testing power will decrease because of the different variable in real securities data. we considered the identification. estimation and hypothesis testing of the linear regression model with one rank auto - regression ( ar ( 1 ) ) error ( 3 ) we considered how investors reasonably utilize the testing result of the " day - of - week effect " to direct the investment strategies after obtained it
( 2 )在對「周內效應」的檢驗方法進行分析時,考慮到實際證券數據由於具有異方差性,使得利用ols進行回歸將導致回歸效果和檢驗的勢降低,我們對于具有一階自回歸誤差的線性回歸模型,仔細討論了該模型的識別、估計和對相應參數假設檢驗的方法。The simulation results prove that the proposed dbrd strategy is superior to other two strategies on the mean and variance of cycle time, work in process and throughput
實例驗證表明,該演算法相對于其他兩種派工策略,在產能、加工周期、方差和製品數量等4個指標上均有所改善。Recent progress in ultrafast optics has allowed the generation of ulfcraintense light pulses comprising merely a few field oscillation cycles. the arising intensity gradient allows electrons to survive in their bound atomic state up to external field strengths many times higher than the binding coulomb field and gives rise to ion - ization rates comparable to the light frequency resulting in a significant extension of the frontiers of nonlinear optics and ( nonrelativistic ) high field physics
隨著超快光學技術的發展,僅含幾個振蕩周期的超強脈沖已經能產生,且其強度梯度可使電子存在比庫侖束縛場高許多倍的外場產生的原子束縛態上,並產生了同光頻相差不大的電離率,從而促進了非線性光學前沿及非相對論的強場物理的延伸。In the air combat simulation, since the system runs in the way of time frame cycle, the flying locus of the weapon, such as missile, changes as a dispersing function, and its movement is much faster than the target ( moving or static ) comparatively, so some errors emerge when the collision test is calculated between the weapon and the target
摘要空戰模擬中,由於模擬系統採用時間幀周期方法調控系統的解算,致使導彈等武器的飛行彈道呈離散函數變化,而導彈等武器的飛行相對于靶標(運動或靜止)是一個快速運動,這樣,武器與靶標的碰撞解算就會引出很多誤差問題。The paper presented the evolution of five key indicators property prices, property transaction volumes, new mortgages, the income - gearing ratio, and the buy - rent gap, which measures the funding cost of buying a property relative to its rental yield in the form of a pentagon, to compare the current situation with the boom and bust cycles of the past decade or so
該文件以五邊形的方式闡釋5項主要指標的演變物業價格物業成交量新造按揭貸款收入與供款比率,以及反映購買物業的資金成本相對于租金收益的購入成本與租金差距,以比較目前的情況及過去十多年來的景氣及不景氣周期。Besides, with the quicker life rhythm of human being, rapid sell market exploring and gradually frozen chain perfecting, the industry itself has a specific development opportunity, moreover, the situation of mono product may give a specific opportunity for product variety. of course, the company also faces the challenge which arises from the threaten of replace product and newcomers, vicious competition, obvious differences between off and peak seasons, product life shortening, market elaborate division speeding up, heavy terminal sale cost expanding, etc
另外,隨著人們生活節奏的加快、賣場的快速擴張和冷凍鏈的逐步完善,行業本身有一定發展機會,產品品種相對單一的現狀也使得行業存在一定產品機會;當然企業也面臨著行業惡性競爭、淡旺季差別明顯、生命周期縮短、市場細分加速和終端營銷費用劇增等的挑戰,以及來自替代品和新進入者的威脅。Active underwater acoustic positioning / tracking systems locate target by measuring the range from object to receiving sensors. usually the target - receiver range can be got by the propagating time of a signal pulse. if this propagating time is larger than the pulse repetition period, it will mean that more than one signal pulse are on propagation
主動水聲跟蹤定位系統通過測量脈沖信號的傳播時延可以測得目標相對接收機的距離,當此傳播時延大於系統同步周期時,時延測量就會呈現不確定性,可能相差若干個重復周期,導致定位解多值,稱之距離模糊現象。Ae testing technology, which is used more and more widely for solving the problems, expensive and long inspecting periods in general testing, is only adopted by the skilled inspector now for behindhand testing system, high orientation error and low quality orientation software. in addition, orientation error is very high in global vessel testing, also the software can not show location picture in three - dimension, all of these restrict the development of the ae technology. in the aspect of testing system, the vallen corp
為了解決常規檢測維修費用昂貴,周期長的問題而興起的聲發射檢測技術,因為檢測儀器的相對落後及軟體的定位誤差較大,同時達不到可視化要求,到目前為止還只局限於有此技術且經驗豐富的工程技術人員使用,另外定位特別是對球罐缺陷點的判斷誤差偏大,而且不能立體的展示定位結果,給聲發射技術的發展及推廣帶來很大的障礙。The adjusted ratio was 1 : 52 - a big drop from last week and back to some of the worst levels of the year
修正後的相對比例為1 : 52 - -明顯低於此前一周的數字,已接近今年的最差水平。Under the different wave heights, the variation of the reflection coefficient with wave - period, the resonant periods and the maximal reflection coefficients are almost the same
兩種入射波高對應條件下的反射系數-周期( kr - t )曲線形狀相似,共振周期基本一致,最大反射系數相差不大。In overall terms, the market environment for 1h 2005 was much more challenging than for 1h 2004 when the corporation was able to make substantial mortgage loan purchases, arrange early pre - funding of its liquidity needs early in the interest rate hike cycle and benefit from an exceptionally wide prime - hibor spread
總體而言,相對2004年上半年當按揭證券公司能夠購入大量按揭貸款在加息周期前提早融資以及受惠于特的優惠利率與銀行同業拆息的息差, 2005年上半年的市場環境對按揭證券公司來說便甚具挑戰。分享友人