約化空間頻率 的英文怎麼說
中文拼音 [yāohuàkōngjiānbīnlǜ]
約化空間頻率
英文
reduced spatial frequency- 約 : 約動詞[口語] (用秤稱) weigh
- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 頻 : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
- 率 : 率名詞(比值) rate; ratio; proportion
- 空間 : space; enclosure; room; blank; interspace
- 頻率 : frequency; rate
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This paper studies the least redundant solutions of two - dimensional array system by using the simulated annealing algorithm. two ideal thinning solutions for the two - dimensional circle array were discussed intensively in this paper. one solution uses half - circle configuration with very much reduced number of elements and taking an image by rotating the array ; the other selects element positions around the full circle to provide a roughly uniform coverage in the spatial frequency domain
在一維天線陣設計的基礎上,本文利用模擬退火演算法給出了兩種最小冗餘二維圓環天線陣的結構設計方案,一種方案利用天線旋轉,在半圓周內稀疏天線;另一種方案通過將空間頻率采樣點的均勻分佈作為優化的約束條件,在全圓周上使天線單元分佈達到最優。
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