相位關系 的英文怎麼說

中文拼音 [xiāngwèiguānxì]
相位關系 英文
phase relationship
  • 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...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 關 : Ⅰ動詞1 （使開著的物體合攏） close; shut 2 （圈起來） shut in; lock up 3 （倒閉; 歇業） close down...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 相位 : phase position; phase
  1. Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us

    本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵，包括南方紅豆杉種群年齡結構、種群空間格局（探討分佈格局動態規律與生境相互關系） 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等，分析其目前現狀及瀕危原因，期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎，也為瀕危植物種群生態學的研究提供參考。
  2. Genetic diversity and phylogeny of 55 slow - growing rhizobia isolated from peanut ( arachis hypogaea ) in china were determined by analysis of host - plant range, phynotype, 16s rrna rflp, 16s rrna sequence, 16s - 23s igs rflp, rapd, rep - pcr, dna - dna hybridization homology. at the same time, the competitive nodulation capacity of rhizobia, effect of host plants and soil ph on the rhizobia were determined for screening and improvement of high effective rhizobium inoculant

    本研究採用宿主范圍試驗、表型性狀測定、 16srrna - rflp 、 16srrna序列分析、 16s - 23srdnaigsrflp分析、 rapd分析、 rep - pcr分析和dna - dna同源性分析等技術系統研究了從我國不同地域分離的55株花生根瘤菌的遺傳多樣性及其在根瘤菌系統發育中的地位和相互關系。
  3. To work out a mathematical relationship of the “ dopplereffect ” ， relating the pitch to the relative motion of source andobserver ， the austrian scientist christian johann doppler placedtrumpeters on a railroad flat car and musicians with a sense ofabsolute pitch near the tracks. a locomotive engine pulled theflat car back and forth at different speeds for two days. themusicians on the ground “ recorded ” the trumpet notes as the trainapproached and as it receded

    為了計算出「多普勒效應」的一個數學關系，即音調和運動中的聲源和觀察者之間的相對關系，奧地利科學家克里斯蒂?約翰?多普勒讓幾位吹號人坐在一節平板火車上，讓幾個對音調特別敏感的音樂家坐在鐵軌附近。
  4. Moreover, green design, green material, green production, green packing, green marketing, green consumption and green recycle form the major structure of gscm the modern enterprise roust take the approaches to construct go ding policies and laws, to establish the strategic status of those policies, to reconstruct the bus ness flow of gscm and so on

    現代企業實施綠色供應鏈管理戰略模式，應從制定相應的導向性政策法規、確立綠色供應鏈管理的戰略地位、重組綠色供應鏈管理需要的業務流程、重塑綠色供應鏈企業間的相互關系和設計綠色供應鏈管理環境績效評價指標等途徑措施入手。
  5. The major job is manufactured a transmitter, which has three upmixer channels. its function is to up convert the signals from c - band to ka - band. the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise, through 512 times multiply to ka band. this sysetem is used in the laboratory as transmitter source of the fuze, for the multidimensional objects in practise, which lead to the complexity of the reflect signal, so the amplitude, frequency and the phase of the transmit signals both have a key role in dealing with the reflection signals. therefore, this system requires for both the coherence of the single channel ’ s amplitude, phase and multi channels

    本文的主要工作是應用戶要求製作一具有三發射通道的上變頻系統，可以將c波段的微波信號上變頻到ka波段的毫米波信號。系統的本振輸入基頻由一相位噪聲非常好的低頻率晶振提供，經過512次的倍頻放大至ka波段。本系統作為實驗室中引信的發射源，由於目標反射信號具有時變的多維性，反射信號變得極為復雜，在信號處理時，不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。
  6. Finally, this paper illustrated the nonlinear phase dynamic theory of the active integrated antenna array and the application of it to the power - combining techniques

    最後，本文討論了有源天線陣的非線性相位動態理論以及它在功率合成技術方面的運用，包括有源天線陣的同步工作和保持一定的相位關系。
  7. The unsymmetrical phenomenon of the wave form of dorsal fin undulation is discussed and a description is given on basis of parameterized formulation

    分析了「鴛鴦炮彈」背臀鰭的相位關系，揭示了其穩態巡遊時背臀鰭波動相位隨時間變化的一致性和協同性。
  8. To receive energy transmitted in a steered beam by any of the three scanning methods, the applied frequency, time, or phase relationships are maintained at each element, which has the effect of making the radar sensitive to energy from the direction of transmission

    仍然以每個單元接收通過三種掃描方法? ?頻率，時間，相位關系控制波束發射的能量，這使雷達對發射方向的能量敏感。
  9. During the process of measuring valve phase, the grating displacement sensor and photoelectric axis - angle encoder are applied to measure the displacement of valve and the angle of curving shaft respectively. their signals are sampled and imported into computer. then the three signals are compared to find the relationship of valve phases in order to offer the reliable measuring parameters for the researchers and quality controllers

    在氣門相位測量中，採用光柵位移傳感器和光電軸角編碼器，分別將發動機進、排氣門位移量和曲軸旋轉位移量的變化信號通過采樣，輸入計算機，對三路信號加以比較找出氣門的相位關系，從而為設計開發人員、品質控制人員提供可靠的測量參數。
  10. However, df pre - processing is not required in a interferometer direction finder. it only makes use of the phase relations or differences of sensors disposed at different position. azimuth and elevation are caculated from the phase differences or displayed directly on a crt drived by the voltage or current from the phase differences

    干涉儀測向不必進行測向信號預處理而是直接或間接求取在空間上分開的傳感器上感應電勢之間的相位關系，即干涉相位差，方位角或仰角是直接由干涉相位差計算得到，或將兩基線正交的天線陣的干涉相位差轉化為驅動電壓（電流）分別加到crt陰極顯示器的垂直偏轉線圈和水平偏轉線圈，模擬顯示出來波方位，干涉儀測向為典型的相位測向方法。
  11. In this method, the phase difference between two compared signals that have same nominal frequency can be converted into voltage signal by phase detector. the voltage signal varies linearly with the phase difference and can be displayed or recorded by some instruments

    此方法是將兩個被比對的標稱值相同的標準頻率信號之間的相位關系，通過線性鑒相器轉換成與它成線性關系的電壓信號，並通過相應的設備進行顯示紀錄。
  12. Sync check relay a sync check relay is an electrical device that monitors the phase relationship between two voltage sources and provides a signal when the voltage sources are within specific preset parameters

    同步檢查繼電器同步檢查繼電器是監測兩個電壓源之間的相位關系的電氣設備，如果電壓源間的關系在預定的參數范圍內，它就會發出相應信號。
  13. Calibration will be made by applying appropriate sinusoidal voltage and current signals with known phase relationship to the meter under test. the ranges of test voltages and currents are 25 v to 250 v and 50 ma to 100 a respectively

    按已知的相位關系，將適當的正弦電壓及電流訊號加於接受測試的功率因數表，以進行校正。測試電壓及電流量程分別為25v至250v及50ma至100a 。
  14. The synthesis and design of the conventional filters ( butterworth, chebshev, cauer ) ; further more, waveguide multiplexer and the general chebshev filters with transmission zeros were introduced. multipath coupling equivalent circuit are constructed and the relative phase shifts of multiple paths are observed to produce the known responses of the cascaded triplet and quadruplet sections

    給出了傳統濾波器的基本理論和設計方法，繼而介紹了波導多工器和廣義切比雪夫濾波器的綜合理論;分析了相位關系和交叉耦合的電路模型;給出了在腔體濾波器中實現交叉耦合的方法。
  15. The interaction of wave with multiple circular cylinders is analyzed briefly in this paper also. the formula obtained by linton [ ] has been improved to form a relation of phase effects between cylinders. it is proved that the solution does exist when the contact of one cylinder with the nearby cylinder fails

    同時分析了水波和圓柱群的相互作用問題，導入了柱間相位關系，改進了文獻[ 6 ]中的公式，並且證明了在柱間不連續的條件下，解是存在的。
  16. A state when a particular phase relation is built between the timing signal at the receiving end and the received timing signal

    接收端定時信號與接收到的定時信號之間具有特定相位關系時的狀態。
  17. Analysis of phase relations in mmi couplers with a positional number of

    位置數為2的多模干涉耦合器相位關系分析
  18. The employment of time delay as a means of achieving the desired phase relationships between elements allows greater flexibility in frequency utilization than other methods

    使用時滯作為獲得所需要的單元間相位關系的手段具有比其他方法更大的頻率使用彈性。
  19. Synchronizer a synchronizer is an electronic device that monitors the phase relationship between two voltage sources and provides a connection signal to an engine governor, to force the generator set to synchronize to the system bus

    同步器同步器是用來監測兩個電壓源之間的相位關系的電子設備，它向發動機調速器發出信號，以促使發電機組與系統母排能夠同步。
  20. The relation of phase between reflection electromagnet wave and incidence electromagnet wave on the boundary

    界面處反射電磁波與入射電磁波的相位關系
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