waveguide filter造句
例句與造句
- An improved genetic algorithm and its application in e - plane waveguide filter design
面波導(dǎo)濾波器設(shè)計(jì)中的應(yīng)用 - It also overcomed the dificulty to realize characteristics bpf with fractional bandwidth greater than about 5 % in the form of multi - metal insert waveguide filter
既提高了濾波器的阻帶性能,又避免了單純的多膜片結(jié)構(gòu)能實(shí)現(xiàn)的濾波器帶寬較小的缺點(diǎn)。 - At the same time , we analyse and optimize an e - plane waveguide filter , present a band - pass filter at 94ghz to satisfy the need of our frequency multiplier
同時(shí)對(duì)波導(dǎo)e面帶通濾波器結(jié)構(gòu)進(jìn)行了分析優(yōu)化,研制的94ghz濾波器性能良好,滿足了雪崩高次倍頻器的要求。 - A novel e - plane metal insert waveguide filter is presented in this paper . comparing to conventional e - plane waveguide filter , great improvments have been made in stop - band attenuation of a bpf
為了提高e面全金屬膜片矩形波導(dǎo)濾波器的阻帶性能,本文對(duì)濾波器的結(jié)構(gòu)做了改進(jìn),采用了混合膜片的形式。 - The a - / 4 coupled waveguide filters are directly connected to the h - plane tee junction . and the e - plane septum filters realize millimeter - wave e - plane integrated circuit diplexers
在計(jì)算出模型的各項(xiàng)參數(shù)值之后,作者采用了先進(jìn)的電磁場(chǎng)分析軟件對(duì)模型進(jìn)行仿真,仿真的結(jié)果證明了這些模型的正確性。 - It's difficult to find waveguide filter in a sentence. 用waveguide filter造句挺難的
- The tuning process is necessary to better the filters " characteristics , as well as the matching between the waveguide filters and tee junction , both of which are arisen from the manufacture errors
根據(jù)模型加工出來(lái)的雙工器,經(jīng)測(cè)量發(fā)現(xiàn),其性能與仿真的結(jié)果略有偏差,所以對(duì)它們進(jìn)行了進(jìn)一步的調(diào)試。 - The result shows that , the size of the coupling port has strong influence on the external quality factor of the output cavity , while the size of the coupling line and the capacitive metal rods mainly affect the tuning frequency of cutoff waveguide filter
另外,由于耦合接頭相當(dāng)于在截止段中引人了一個(gè)附加電感,這使濾波器諧振電路的品質(zhì)因數(shù)變大,諧振峰變窄。 - Since the coupling line brings about an additive inductance in cutoff waveguide filter , which makes the quality factor bigger and resonant band narrower , it - mode double gap cavities are not more advantageous to achieve wider band than the single gap cavities loaded by cutoff waveguide filters
因此,模雙間隙腔加載截止波導(dǎo)濾波器型輸出回路并不比單間隙腔加載截止波導(dǎo)濾波器型輸出回路有更好的帶寬優(yōu)勢(shì)。 - Elliptical waveguides have found wide applications in a variety of microwave components : waveguide filters , radiators , resonators , and wide - band transmission lines , etc . periodic - loaded waveguides play very important roles in high - power microwave tubes , corrugated antennas and linear accelerators
在各種微波器件如濾波器、輻射器、諧振器和寬帶傳輸線中橢圓波導(dǎo)有著廣泛的應(yīng)用。周期加載波導(dǎo)在高功率微波管、波紋喇叭和線性加速器等中起著重要作用。 - Compare to the normal rectangular waveguide , ridge waveguide has the character of broader bandwidth , smaller dimension , lower equivalent characteristic impedance , etc . because of these merits , it is used more and more widely , such as broadband ridge waveguide filter , broadband direct coupler , diplexer , frequency converter , phase shifter , ridge waveguide slot antenna array , and so on
與普通矩形波導(dǎo)相比,脊波導(dǎo)具有工作頻帶寬、尺寸小、等效特性阻抗低等特點(diǎn)。由于脊波導(dǎo)本身的特點(diǎn),使其得到了越來(lái)越多的應(yīng)用,例如寬帶脊波導(dǎo)濾波器、寬帶定向耦合器、雙工器、變頻器、移相器、脊波導(dǎo)縫隙天線陣等等。 - In this paper , an improved genetic algorithm ( ga ) was applied to the design of high performance e - plane waveguide filters at the first time . for dealing with the shortcoming of ga as low efficiency in local optimum searching , the idea based on parallel genetic algorithm ( pga ) known as separate local optimization was presented . by separating the whole population into sub - populations , and adding a new operator known as crossover between two sub - population , the new method can provide as 2 3 times quickly as traditional ga . all numerical examinations illustrated the high convergence speed and good global searching of the new algorithm , and proved the validity of it
由于遺傳算法表現(xiàn)出良好的全局搜索性能,因此本文將其應(yīng)用于高性能e面波導(dǎo)濾波器的設(shè)計(jì)中.針對(duì)傳統(tǒng)遺傳算法所存在的局部搜索能力差的缺點(diǎn),本文在并行遺傳算法的基礎(chǔ)上,通過(guò)將原有群體劃分為多個(gè)子群體,利用多個(gè)子群進(jìn)行局部極值點(diǎn)的搜索,并利用群間遷徙,使改進(jìn)后的算法收斂速度平均提高了2 3倍.數(shù)值實(shí)驗(yàn)表明算法具有較快的收斂速度和較好的全局搜索性能,證明了算法的有效性 - Two type microwave bandpass filters are applied to meet different bandwidth requirements . the filters of the 2 % relative bandwidth is realized by ^ / 4 coupled waveguide filters , whereas the ones of 1 % relative bandwidth utilizes e - plane septum mounted in the wavefuides . very compact diplexers are achieved by different configurations individually
根據(jù)不同的設(shè)計(jì)指標(biāo),作者提出了兩種雙工器模型:波導(dǎo)分支濾波器雙工器和準(zhǔn)平面e面波導(dǎo)雙工器;并且選用不同的濾波器形式來(lái)實(shí)現(xiàn)通道濾波器:用4耦合波導(dǎo)濾波器設(shè)計(jì)出相對(duì)帶寬為2的窄帶濾波器,而相對(duì)帶寬僅為1的極窄帶濾波器是采用過(guò)正面濾波器來(lái)實(shí)現(xiàn)的。 - Then test of them and gain good performance . chapter 4 is about the design and development of filters and power divider . the theory and design methods of filters and wilkinson power divider are introduced particularly , and a low pass microstrip filter , two kinds of bandpass filters and an eight sections waveguide filter and a wilkinson power divider are developed
詳細(xì)介紹了濾波器和功分器的基本理論與設(shè)計(jì)方法,在此基礎(chǔ)上制作了0 4ghz微帶低通濾波器, 16 . 8ghz微帶帶通濾波器, 36ghz微帶帶通濾波器, 36ghz八級(jí)波導(dǎo)濾波器, 16 . 8ghzwilkinson功分器,并進(jìn)行了測(cè)試,取得了良好的性能。