power antenna 中文意思是什麼

power antenna 解釋
動力天線
  • power : n 1 力，力量；能力；體力，精力；（生理）機能；〈常 pl 〉才能。2 勢力，權力，權限；威力；政權；權...
  • antenna : n. （pl. -nae , antennas）1. 【動物；動物學】觸角。2. 【無線電】天線〈英國常用 aerial〉。
  1. That the antenna points at the aerocraft very precisely can utilize the gain of antenna, minishing the power of transmitter, and propagating data very gualitily effectly

    在無線測控系統中，天線精確指向飛行目標，可最佳利用天線增益，減小發射功率，高質量的進行控制和數據傳輸。
  2. Power is being delivered along the wires which lead into the antenna.

    沿著通往天線的導線有功率傳輸著。
  3. We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response

    其次藉助ansys有限元分析軟體，對系統進行了模態分析和動力學響應分析，獲得了不同天線結構參數下的衛星?天線系統的固有特性，簡諧響應的幅頻特性，隨機振動響應的功率譜密度，以及沖擊響應的最大幅值和恢復時間等。
  4. This thesis addresses the problem of minimizing the total transmit power subject to individual rate constraints in broadcast channel with multiple antennas at the transmitter and one antenna at each receiver

    本文解決了多輸入多輸出（ mimo ）廣播通道中滿足用戶速率要求的最小傳輸能量問題。
  5. The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength, the dissipation loss of radiation is very small. it acts like a rectangular waveguide filled with some dielectrics, so components which can be composed by rectangular waveguide can also composed by siw such as antenna, filter, power divider, coupler, resonator

    基片集成波導的基本概念是利用基片的上下金屬板和兩排間隔一定距離的金屬孔構成波導的金屬壁，由於每排金屬孔孔間距遠小於波長，因此由縫隙泄漏的能量很小，這相當于內部填充了介質的矩形波導，所以能夠用矩形普通波導實現的結構也都可以用基片集成波導來實現，比如功分器、濾波器、天線、耦合器、振蕩器等。
  6. 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。
  7. In accordance with the smart antenna algorithm, the antenna power can be effectively concentrated to offer a larger coverage area and better anti - interference capability

    配合基頻訊號之智慧型演演算法則，使天線功率有效集中至用戶端，以增加系統之涵蓋范圍，並提高其抗干擾能力。
  8. The poynting vector that represent the flow of electromagnetic power density on a sphere from a linear dipole antenna is approximated by the summation of the field of segmented line current as hertz dipoles

    以赫芝偶極之電磁場合成任意長度偶極天線在球面上電磁功率密度流之時變玻因亭向量。
  9. With the developing of new switches such as photoconductive switch and sos ( solid opening switch ), both high power and high gain can be got by the uwb antenna array

    隨著各種新型開關如大功率的光導開關的研究成功，超寬帶天線陣列將成為實現高功率、高增益的有效途徑。
  10. By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration

    分析研究了衛星光cdma通信系統中衛星仰角、方位角和距離，給出了探測器能夠接收到的光功率以及atp子系統捕獲及跟瞄的范圍;對衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究，分析了多用戶干擾、接收光功率、背景光噪聲、振動偏差以及碼速率對系統誤碼率的影響，給出了相應的改進措施。
  11. Because cassini had to travel nearly twice as far as galileo, the spacecraft required a much larger and more robust communications system and antenna ( provided by the italian space agency ), greater amounts of fuel for maneuvering, and more electrical power

    由於卡西尼號必須航行的距離是伽利略號的兩倍，因此需要更大更可靠的通訊系統和天線（由義大利太空總署提供） 、更大量的燃料以進行航行操控，以及更豐沛的電力。
  12. The basic technologic scheme on microwave transmission, currently maturate and advanced microwave transfer technology and equipment, efficiency slot gap antenna, character quality filter, mixer, exact crystalloid concussion apparatus, power backspacing technology, pre - distortion adjustment. furthermore, the technologic schemes practicing using multilevel microwave transfer technology in some areas such as lengshuijiang is introduced in the paper

    採用了當前比較成熟、先進的微波傳輸技術和設備，如高效的縫隙天線、高品質濾波器、混合器、高精密的晶體震蕩器、功率回退技術、預失真校正技術，結合工程實際，設計了湖南電廣網路33家合資公司的mmds無線微波數字電視覆蓋的基本技術方案，和個別地區（冷水江市數字微波工程）的多級微波傳輸的具體技術方案。
  13. In the third chapter, it was particularly analyzed the impact of the correlation between antenna arrays both sides of transmit and receive, the coexistence of line of sight ( los ) component and scatter power component in the radio propagation environments, and known and unknown channel state information on the capacity of mimo channel. the related simulation results are also given

    第三章著重分析了收發兩端的多天線單元之間存在相關性、同時存在直射分量（ los ）和散射分量的傳播環境、已知和未知通道的狀態信息等因素對mimo通道容量的影響，給出了有關模擬結果。
  14. It is also discussed how to get the optimum polarization state of the antenna when the scr is optimum. not only the power of cylinder in air but in rain are used in calculating the scr

    對于非相干目標，文章用kennaugh矩陣得到接收功率，然後用拉各朗日乘子法求出最佳極化狀態和最優接收功率。
  15. Consuming only minimal five - volt power, this new antenna design reflects motorola s

    高性能、無干擾天線供電至少5v 。
  16. 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。
  17. When your car has built - in fm / am antenna in the rear / side glass, connect the power antenna control lead ( blue ) or the accessory power input lead ( red ) to the power terminal of the existing antenna booster

    當您的汽車在後側玻璃上有內置fm / am天線時，請把電源天線控制導線（藍色）或輔助電源線（紅色）連到現有天線放大器的電源端子上。
  18. A power antenna without relay box cannot be used with this unit

    沒有中繼盒的電源天線不能和本機一起使用。
  19. It is not necessary to connect this lead if there is no power antenna or antenna booster, or with a manually operated telescopic antenna

    如果沒有自動天線或天線放大器，或手動的可伸縮天線時，不需要連接此導線。
  20. The power antenna control lead ( blue ) supplies + 12 v dc when turn on the tuner

    當打開調諧器時，電源天線控制導線（藍色）提供+ 12v直流電源。
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