filter loss 中文意思是什麼
filter loss
解釋
過濾損失-
In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits
論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念，並以加速度模糊函數為分析工具，詳細討論了加速度對線性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加速度影響的容限等問題。 -
The bacilliform cell penetrate into interior of the fibre to degrade the cellulose strongly and produced a mass of sticky polysaccharides. after cultured 48 hours, the bacilliform cell ' s surface of sporocytophaga have a great change. at this stage the bacilliform produce a lot of sticky polysaccharides. these sticky polysaccharides associated with the sites where the filter paper was decomposed intensively and form thorns on the surface of the bacillium. at the same time, the filter - paper weight loss is the greatest and decomposing rate is the fastest, so we think that the sticky polysaccharides are produced during the cellulose degradation
培養48小時，桿狀細胞的表面結構發生很大的變化，此時的菌體表面已產生大量的粘性多糖，這些粘性多糖因菌體在纖維素表面滑動而在菌體表面形成突起，即在纖維素被旺盛降解部位的菌體表面產生了大量突起；而產生突起的菌體深入到纖維素分子內部，纖維素表面可以清晰地看到由於菌體嵌入纖維素分子內部而留下的凹陷。 -
The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength, the dissipation loss of radiation is very small. it acts like a rectangular waveguide filled with some dielectrics, so components which can be composed by rectangular waveguide can also composed by siw such as antenna, filter, power divider, coupler, resonator
基片集成波導的基本概念是利用基片的上下金屬板和兩排間隔一定距離的金屬孔構成波導的金屬壁，由於每排金屬孔孔間距遠小於波長，因此由縫隙泄漏的能量很小，這相當于內部填充了介質的矩形波導，所以能夠用矩形普通波導實現的結構也都可以用基片集成波導來實現，比如功分器、濾波器、天線、耦合器、振蕩器等。 -
But high pressure loss is the most difficult problem in developing new hepa filter products
而高效空氣過濾器的阻力較大又是產品開發中的最大難題。 -
The main works are as follows : 1. the paper systematically describes basic concepts and theories that form the foundation for design of general microwave filters. the topics will cover filter transfer function, lowpass prototype filters, frequency transformations, immittance inverters and the passband insertion loss under the influence of the dissipation of filter elements 2
現總結如下: 1 .對微波濾波器的設計理論進行系統的分析，闡述了微波濾波器的傳輸函數、低通原型、頻率變換、倒置變換器以及元件損耗對帶內插損的影響等方面。 -
In order to test the robustness and imperceptivity of the algorithm, simulate experiments are carried out. the experimental results indicate that it is robust to the attack such as mp3 loss compression, low pass filter, resample and so on
對所研究演算法的穩健性和不可感知性進行了模擬實驗，實驗結果表明本章提出的演算法對mp3壓縮、低通濾波、重采樣等攻擊有很強的魯棒性。 -
Method of insertion loss measurementsfor passive radio interference filter units
無源無線電干擾濾波器插入損耗測量方法 -
This kind of hepa filter can reduces pressure loss from two aspects. on the one hand, it chooses melt - blown tiny polypropylene electret filtration medium
它主要從兩方面來降低高效過濾器的阻力：一是選用了熔噴型超細聚丙烯駐極體濾料。 -
Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy
陶粒濾料是以精製陶土為主要原料，摻加適量改性劑，經粉碎，混練，成型和高溫煅燒而製成的，不含任何對人體和環境有害的物質.其表面堅硬，粗糙，內部疏鬆，多孔，具有機械強度高，比表面積大，孔隙率大的特性.用於水處理中，具有表面性狀好，截污能力強，過濾水頭損失小，反沖洗耗水量低，化學穩定性和生物學穩定性好，使用壽命長的特點.陶粒濾料是一種能增加水產量，提高出水質量，節省藥劑和能耗的新型高效過濾材料 -
Compared with conventionally rapid filter, upflow filtration is a more sensible filter method, which is characterized by large capacity for storage of solids, small head loss and long filter run
上向流過濾是一種理想的過濾方式。與傳統快濾池相比具有濾層截污量大，水頭損失小，過濾周期長等特點。 -
High quality epitaxial sto / ybco multilayers can be fabricated due to their similar crystal structure and small lattice parameters mismatch. the filter made from sto / ybco thin films shows high tunable speed, low microwave loss and high power handling capability. so sto / ybco multilayers have attracted much interests for electronically tunable filter in the last decade
因此，利用高質量sto / ybco外延薄膜研製的濾波器具有響應速度快、微波損耗低、調諧范圍大、承載功率高等優點，是一種極具競爭力的電調濾波器技術方案，也是當前的研究熱點和開發重點。 -
The conclusion is that iron ceramics media has a lot of advantages over sand media in the fields of filter run and yield. it has good quality of little hydraulic pressure loss, longer period and capabilities of impurity
結果表明，塗鐵陶粒濾料濾池具有過濾水頭損失小、運行周期長、截污能力強的優點，其過濾性能優于石英砂濾料濾池。 -
Because of the clamping capacitor and the interleaved structure, it has some good features compared with other flyback converters, such as : the topology is simple and can be realized easily ; the voltage spike of the power switch is availably restrained and without leakage - inductance energy loss ; the ripple of the input and output current is reduced, correspondingly, the volume and weight of the output and input filter is also significantly reduced
由於箝位電容的加入，相對于其他類型的反激式變換器電路，該拓撲具有一些獨特的優點:電路結構簡單且易於實現;無需另加輔助開關管，實現了開關管的有源箝位，抑制了開關管的電壓尖峰;提高了輸入、輸出電流的脈動頻率，減小了輸入及輸出濾波器體積。 -
Realizing the excellency of nd : yv04 crystal, we use nd : yv04 / ktp firstly in our experimentation. the loss of light with different polarized orientation is different, when it through nd : yv04 crystal. utilizing the case and changing the thickness of ktp crystal by controlling temperature, we get a narrow light filter, so the cavity operates with single longitudinal mode
文中提出一種新的方案，採用nd ： yvo _ 4 ktp組合，利用nd ： yvo _ 4晶體對偏振態的選擇作用以及溫度控制ktp晶體長度，實現雙折射窄帶濾波，強制激光器工作在單縱模的模式下。 -
Moreover, computer - aided design for power - line filter and discussion on implementation of intelligent equipment of noise measurement and suppression are also introduced, results show that the discrimination network based on splitter / combiner has better hf performance with low insertion loss and good rejection capability, however, it is more expensive
結果表明，基於分相器混和器的噪聲分離網路具有更好的高頻特性，且網路插損和噪聲模態抑制特性能夠滿足工程精度要求，但網路製造成本較高。 -
The studies of predecessors have proved that multi - tube structure has low pressure loss. moreover, the polypropylene filter medium which can be stuck by hot pressure makes it possible to adopt the multi - tube structure
前人的研究已表明管式結構阻力較小，由於聚丙烯材料可熱壓燙焊的特性能製成濾管才得以採用該種結構。 -
Due to the range of human uses made of the watercatchment area adjacent to the great barrier reef some 400of the 3000 reefs are within a risk zone where water qualityhas declined owing to sediment and chemical runofffrom farming, and to loss of coastal wetlands which are anatural filter
由於人們將毗鄰「大堡礁」的集水處用於多種目的，在3000個礁地中有大約400個處在一個危險地帶，那裡的水質因農耕排放物中的沉澱物和化學排放物以及擔當著天然過濾器作用的海岸濕地的流失而出現了下降。 -
The venturi tube is specially designed to flush the filter with minimum pressure loss and large volume of air supply
特殊設計之文氏管，脈沖清洗濾袋、壓力損失小、處理風量大。 -
However, with rapid development of the polypropylene - fiber filter paper in recent years, the filtration efficiency ( na - flame method ) can reach 99. 999991 % at the standard velocity ( icm / s ), and its pressure loss is only one sixth of the glass fiber at the same range of efficiency
目前高效濾料多採用玻璃纖維濾紙，而近幾年來聚丙烯纖維濾紙發展較快，在標準濾速下（ 1cm s ） ，鈉焰法效率可達到99 . 999991 ，而其阻力在相同效率范圍內僅是玻璃纖維的1 6左右。 -
It has less effect on the filter loss in increasing viscosity and shear, thus meeting the demands of fast and safe drilling relatively well. 1
在提粘、提切的情況下，對濾失量影響較少，能較好地滿足快速安全鉆井的要求。
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