polarization diversity 中文意思是什麼

polarization diversity 解釋
偏極化分集
  • polarization : n. 1. 兩極分化。2. 【物、天】極化;極化強度。3. 【物理學】偏振(化)。
  • diversity : n. 1. 不同,異樣,差異。2. 繁多,多種,多樣,駁雜,參差。
  1. In chapter 3, a novel planar polarization diversity antenna that has two feed ports with more than 20 db isolation has been proposed

    第三章提出了一種新型兩埠平面極化分集天線。
  2. The performance of a planar polarization diversity antenna on the handset with optimum combining and equal ratio combining is then studied

    用montecarlo模擬研究了採用最優合併和等比合併的手機上平面雙埠極化天線系統的分集性能。
  3. Polarization diversity and maximum ratio combining ( mrc ) is used to restrain the sharp signal fading in the telemetry systems, in which the object is in flight at a high speed and rotating and in low elevation

    在信號極化衰弱現象嚴重的環境中對快速飛行目標、低仰角運動目標以及旋轉運動目標等進行遙測接收時,極化分集最大比合成技術可以有效的改善接收性能。
  4. In the traditional polarization diversity and combining scheme, differential mode loop and common mode loop is combined to lock in the phase and frequency of the diversity signals and remove the carrier frequency bias and doppler shift

    傳統的極化分集接收方案是將差模環和共模環相結合完成兩路信號的同頻同相鎖定以及多普勒頻率偏移的去除。
  5. The simulation in quartusii for the blocks with fpga is proposed at last. compare with the traditional polarization diversity and combining receiver, the stability of the scheme proposed in this paper is better, the parameter of it is reprogrammable, and upgrading of the system is also easily. then the diversity

    與傳統的極化分集接收機相比,利用本文提出的系統設計方案設計的數字極化分集接收機具有工作更穩定,參數可編程以及便於系統升級等優點,這樣就使得在一個硬體平臺上實現不同參數分集接收成為可能。
  6. Because of the structure of the traditional polarization diversity and combining scheme is too complex, after researching the polarization diversity and diversity combining technology, a new structure of receiver is proposed. in this structure the uniform sampling second - order dpll is used to remove the frequency bias after frequency discrimination

    該結構控制較為復雜,為此結合實際項目要求,在研究了極化分集接收關鍵技術的基礎上,提出了一種改進的極化分集接收機結構,即在鑒頻之後利用均勻采樣二階數字鎖相環誤差傳遞函數的高通特性去除各種頻偏分量。
  7. The hardware design based on fpga is proposed, including the designs of a / d block, d / a block and the polarization diversity and combining block based on fpga

    最後給出了基於fpga的系統硬體設計,硬體系統設計包括a / d模塊設計, d / a模塊設計,以及基於fpga的分集合併模塊設計。
  8. And diversity is a technique of extensive use and maturation, a technique of more inexpensive investment with more improvement in wireless communication. the common diversity be classified as space diversity, polarization diversity, frequency diversity, and time diversity etc. this paper focus on implement of space diversity and polarization diversity in digital field

    無線傳輸在自然界中存在大量不相關的多徑信號,分集技術是通信中的一種廣泛應用的、成熟的技術,一種用相對較低廉的投資就可以大幅度的改進無線鏈路性能的強有力的接收技術。
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