image n. 1.像,肖像,畫像;偶像。 2.影像,圖像。 3.相像的人(或物);翻版。 4.形像,典型。 5.形像化的描繪。 6.【語言學(xué)】形像化的比喻,象喻。 7.【心理學(xué)】概念,意象;心象。 graven image 雕像。 image frequency 圖像頻(率);鏡頻。 real image 【物理學(xué)】實(shí)像。 television image 電視像。 virtual image 【物理學(xué)】虛像。 God's image 人體。 He is the image of his father. 他活像他父親。 the spitting image of 同…完全一樣的人[物]。 speak in images 用比喻講;說話形像化。 thinking in terms of images 形像思維。 vt. 1.作…的像,使…成像。 2.反映。 3.想像。 4.形像地描畫;用比喻描寫。 5.象征。 adj. -less 缺少形象的。
A robust wideband constant - beamwidth beamforming method for acoustic imaging 一種用于聲學(xué)成像的穩(wěn)健寬帶恒定束寬波束形成方法
Acoustic image converter 聲象轉(zhuǎn)換器
In recently years digital teclinology has greatly improved , so it will make great sense to study in digital acoustic imaging system 近年來,數(shù)字技術(shù)得到飛速發(fā)展,成為一種趨勢。因此,研究實(shí)現(xiàn)數(shù)字化的聲成像系統(tǒng)十分具有意義。
The working range of acoustic imaging system is short generally . so focusing has to be taken into account , or the result will be bad 聲成像系統(tǒng)的作用距離通常都比較近,這種情況下就必須要考慮近場聚焦的問題,否則波束的指向性會老化。
Stone of the bile duct outside liver exceeds acoustic image in b stronger echo light shows to the group accompanies phonic photograph and can change along with the posture on the graph 肝外膽管結(jié)石在b超聲像圖上顯示較強(qiáng)回聲光團(tuán)伴有聲影并可隨體位而變動。
Underwater acoustic imaging teclmology has played an irreplaceable role in many situations . wth wide applying foreground , it has been paid more attention 水下聲成像技術(shù)在水下探測領(lǐng)域中的諸多場合發(fā)揮著不可替代的作用,具有廣泛的應(yīng)用前景,日益得到人們的重視。
This paper mainly discusses the vital part discrimination of the near - field target by using target acoustic imaging method , which uses dense narrow beams based on high frequency system 本論文主要研究了基于高頻體制下利用密集窄波束形成目標(biāo)圖像,進(jìn)行近場目標(biāo)精確識別。
Finally , we constructed a software which included some linear and nonlinear algorithms along with the mathematical morphology for the preprocessing and analyzing in underwater acoustic images 最后實(shí)現(xiàn)了一些常用線性和非線性算法,與數(shù)學(xué)形態(tài)學(xué)算法一起形成一個適用于水聲圖象處理和分析的軟件。
2 . designed acoustic imaging system , it is demonstrated that using acoustic lens imaging is feasible through measuring these sound fields distributing of single dot body and three dots body 設(shè)計(jì)聲成像實(shí)驗(yàn)系統(tǒng),對已知聲場中的單點(diǎn)物及同一面上三點(diǎn)物經(jīng)聲透鏡變換后的聲場分布進(jìn)行了測量,證實(shí)了聲透鏡成像的可行性。
In this paper , the work is a part of acoustic vision in the intelligent autonomous underwater vehicle . the aim of the task is researching the algorithms for the preprocessing and recognition of underwater acoustic images 本論文的工作是智能水下機(jī)器人“聲視覺系統(tǒng)”中的一部分,進(jìn)行水聲圖象的預(yù)處理和識別算法的研究。