通帶波紋 的英文怎麼說
中文拼音 [tōngdàibōwén]
通帶波紋
英文
passband ripple-
" on the scutcheon we ll have a bend or in the dexter base, a saltire murrey in the fess, with a dog, couchant, for common charge, and under his foot a chain embattled, for slavery, with a chevron vert in a chief engrailed, and three invected lines on a field azure, with the nombril points rampant on a dancette indented ; crest, a runaway nigger, sable, with his bundle over his shoulder on a bar sinister ; and a couple of gules for supporters, which is you and me ; motto, maggiore fretta, minore otto
后來他說，他已想出了好多圖樣，不知道挑中哪一個，不過其中有一個他可能選中，他說： 「在這盾形紋章的右側下方，畫一道金黃斜帶，在紫色中帶之上，刻一個斜形十字，再加上一條揚著腦袋蹲著的小狗，當做通常的標記。狗的腳下是一條城垛形的鏈子代表奴役。在盾的上部成波紋的圖案中是一個綠色山形符號。Then the nonlinear coupled electromagnetic and electron motion equations were obtained from the lorentz equation. and numerical calculation and analysis of cold cavity by pic software were applied to analyze the both hot and cold dispersion characteristic of this waveguide
接下來，從電子運動方程出發得到了自洽非線性方程組，通過一階線性近似導出了螺紋波導中注波互作用色散關系，從中分析該波導超寬帶特性。Several kind of simplified calculating models are introduced. the web and flange plates in mcar with a large number of corrugations were equivalent to orthotropic curve plates. the equivalent elastic modulus was yielded by tensile tests, which provides the material constants data for the structural static and dynamic analysis
2 、綜述了拱型波紋鋼屋蓋的各種簡化計算模型，並把帶有波紋的腹板和底板分別等效成正交各向異性平曲板，通過拉伸測試了它們的等效彈性模量，為結構的靜力和動力有限元分析提供材料常數依據。Applying the ways of adjusting the bandwidth, minimizing the pass band ripples and group delay ripples, a 50ghz filter is designed. in the paper, we also discuss the temperature stability of dwdm thin film narrow band - pass filter
本文總結了波分復用濾光片的各種設計方法，運用帶寬調整、通帶波紋的減小和通帶群延遲波紋減小的方法設計出了50ghz的波分復用濾光片膜系。Because gyrotron traveling wave tube amplifier ( gyro - twt ) is an important millimeter wave amplifier with the characteristics of the high output power, the broadband width, and good efficiency, which has vast application vistas in many areas such as millimeter radar, communications, electronic countermeasure, and so forth, it has been pay much respect in the world
迴旋行波管是一種大功率、高效率、寬頻帶放大器，在毫米波雷達，通信與電子戰等方面有十分重要的應用前景，因而在國際上受到高度重視。由俄羅斯人g . denisov等提出的螺旋波紋波導是一種比較理想的結構。The specification is that the cutoff frequency must be more than 15mhz, the maximum passband ripple must be 0. 2db and the minimum stopband attenuation must be 40db
該濾波器要求截止頻率大於15mhz ，通帶最大紋波為0 . 2db ，阻帶最小衰減為40db 。In the course of remote sensing digital image preparation, the paper, based on many experiments, chooses histogram match for radiation correction, texture filter method for strip noise reduction, and, with tm image in 1996 as the standard, carries out geometric correction and re - sampling of multi - band combined colored image by means of binary multinomial and closest pixel, with the error of one pixel
在遙感數字圖像預處理中，通過多次試驗，採用紋理濾波法消除條帶噪聲，以96年tm影像為參考標準進行二階多項式幾何精校正和最鄰近像元法重采樣，誤差控制在1個像元內。The interleaver with channel spacing of 50ghz is designed and prototype device is achieved. we test experimentally the interleaved spectrum in the c - band which is rectangle with ripple of less than 0. 1 db. and through measuring its time delay, we obtain the character of its dispersion. a novel architecture of 50ghz mfpi interleaver with different passband widths is put forward at first
2 、設計了通道間隔為50ghz的mgti型interleaver濾波器，獲得了該濾波器的原型器件；實驗得到了該器件在c波段兩組交錯分波的矩形化光譜，其紋波小於0 . 1db ，通過對器件時延的測量，間接獲得了其色散特性；首次提出mfpi型不等帶寬50ghz的interleaver濾波器技術方案。分享友人