濾水系數 的英文怎麼說

中文拼音 [lǜshuǐxìshǔ]
濾水系數 英文
filtering coefficient
  • 濾 : 動詞（除去液體雜質） filter; strain
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. ( 4 ) the maximum water quantity becomes greater, the better is the filtering bed permeability, the higher the river hydraulic conductance, the higher the river level, the larger the water - collecting area and the bigger the distance between collecting pipes. the water quantity varies directly with drawdown

    （ 4 ）濾床的滲透性能越好，河床水力傳導系數越高，河水水位越高，取水面積越大，取水管之間的間距越大，則最大取水量越大；水位降深與取水量成正比關系。
  2. Water samples are taken regularly throughout the entire supply and distribution system. the sampling points include water treatment works, service reservoirs, trunk mains, connection points and domestic taps. the data from these samples are checked against the world health organization s guidelines for drinking - water quality, which were developed by experts from around the world

    在整個供水及輸水系統中，有關人員經常從濾水廠、配水庫、輸水干管、供水接駁位置和用戶水頭抽取樣本進行化驗，鑒定化驗數據所顯示的水質是否符合世界?生組織所訂定的飲用食水水質準則。
  3. Fini air treatment, recommended for the most demanding professional uses, is composed of refrigerating dryers, filters for separating impurities, condensate drain cocks, water - oil separators, tanks, and all other components necessary for optimising compressor operation

    Fini空氣處理系統，由冷藏乾燥器組成，用過濾器分開雜質，立式冷凝物排出管，水油分離器，氣罐和其他空壓機必須的零部件組成，建議使用在大多數要求苛刻的專業用途。
  4. In this article the conclusion was got from some experiments and researches that the crux of the matter is to solve the seepage stability of the soil and it is possible that gravelly soil is made into impervious core with the protection of filter

    但是存在土料的含礫量不均勻、粘粒含量低、滲透系數偏大、天然含水量偏低、塑性較差等缺陷。試驗研究還認為，只要解決好滲透穩定問題，做好反濾保護，礫質土作心墻防滲體是可行的。
  5. The paper analyze many methods of water demand prediction which include many up to date methods and some in common use, and it bring forward some new combinatorial methods which can meet the need of optimization model in precision, such as season exponent, auto adapt filter, season exponent combined grey model, etc. based on the cost and time of modeling jt mainly study the macroscopic network model which describes the correlation between nodal pressures and water plant discharge

    針對時用水量預測模型，採用季節指數法、自適應指數平滑法、季節指數聯合自適應過濾法、指數平滑聯合自回歸法、季節指數聯合灰色系統法等具體預測方法，其中數種方法預測精度達到工程要求。實踐結果表明，開發的聯合法效果較好。考慮到管網宏觀模型不但能描述整個管網的工作狀態，而且建模所需成本低，運行速度快，省時省力，主要研究了管網宏觀模型的建立方法，分析測壓點布置原理並編製程序。
  6. Real time seafloor tracking technique is the critical technique to ensure smooth seafloor surveying with full coverage and high efficiency. after detailed investigation on stochastic features of seabed reverberation produced by mbss systems, the author presented an algorithm and a set of relevant key coefficients for real time seafloor tracking, taking into account of characteristics of signal processing and timing sequence of the real system and introducing theorems of terrain surveying. as an achievement, a mathematical model was established based on the technique of centered filtering

    海底地形實時跟蹤技術是保證多波束測深系統實現高效率全覆蓋水下地形測量的核心技術，作者通過對多波束測深系統海底回波信號統計特性的研究，依據地形測量理論，並結合實際系統信號處理的技術特點和處理時序，提出了實現海底跟蹤控制的關鍵參數及計算方法，建立了基於中值濾波技術的海底地形實時跟蹤數學模型，並開發出實時地形跟蹤專家系統，該系統經多次海上實驗驗證表明：理論正確、方案可行，取得良好效果。
  7. Parallel structure of poly - phase decomposition and parallel mixer is applied in the ddc circuit, it solves the bottleneck in mixing and increases the handle speed. the partition of the tuning channel according to the digital mixing sequence, and the ddc by means of decimating first, the low - pass filtering and mixing realize efficiently the down - conversion of the variable carrier frequency band - pass signal. according to the structure of the ddc and the requirement of the frequency

    短數據快速測頻演算法的具體實現:使用并行流水線的設計方法，提高了系統的數據吞吐率，在100mhz的系統時鐘下，能夠實時處理400mhz ~ 600mhz速率a / d采樣的數據，在64點采樣， 100mhz系統時鐘情況下，初次測頻佔用時間640ns ，以後每次測頻佔用時間縮短到160ns ，實時地提供多相濾波下變頻所需的載頻位置信息，縮短了接收機的調諧時間。
  8. Standard test method analytical procedure for determining transmissivity and storage coefficient of nonleaky confined aquifers by the modified theis nonequilibrium method

    改進的非平衡法測定非越流性有側限的蓄水層過濾系數及儲存系數的標準試驗方法
  9. By test data, variation of water head damage in filter lager and quantify of intercept filth in filter lager, filter cycle, analyse research of filter relation and data count by computer. i reach a mathematics relation among related coefficients

    通過實驗數據，對濾層水頭損失的變化，濾層截污量，截污濾層阻力增長及過濾周期、濾速關系進行了分析研究，並利用計算機進行了數據統計，得出相關參數之間的數學關系。
  10. The system - controlled iir filter and fft were realized using fpga in this paper, and modified pipeline structure is adopted to greatly raise the running speed in the system - controlled iir filter. in the same time, it is used that the algorithm of n - point complex to compute 2n - point real data block in the radix - 2 fft. it is different to the normal method in the adoption of pipeline single dual ram for each stage

    論文用fpga實現了系統的受控iir濾波器和fft部分，受控濾波器採用改進的流水線結構，運行速度得到了大幅度的提高，同時運用n點復數dft演算法來計算2n點實數數據，在fpga中實現了基2的1024點復數fft ，同一般的實現不同，採用了流水線式的每級單個雙口ram的方法，節省了ram的容量，經驗證，該設計符合濾波器系統的要求。
  11. As the traditional navigation system ca n ' t satisfy the requirements of the autonomous underwater vehicles ( auv ) navigation and position. we study a depthometer - doppler - aided strapdown inertial navigation system ( ddsins ) in combination of the developments of periodic navigation technique and some practical problem posed by the mathematical and variation of output data of doppler, furthermore, the digital simulation and semiphysica test are made to verify the validity of the algorithm, the main research work are as follows : design of the strapdown inertial navigation system of auv

    由於傳統的導航系統很難滿足遠程水下航行器精確導航、定位的要求，本文在充分考慮使用特殊性的情況下，結合國內、外導航技術發展的實際狀況和發展方向，研究了水下航行器組合導航系統的誤差，重點解決了因多普勒輸出數據周期長和周期時變而給導航計算和濾波器設計帶來的問題，並進行了模擬和實物測試，模擬和實物測試結果表明本文所研究的設計方案合理，可以達到某型水下航行器導航、定位需要的精度。
  12. This type of strainer is usually installed upstream of most of the devices in the system including the meters, backflow preventers ( or detector check valves ) and flow alarms, in order to protect these devices from damage caused by large particles

    這種類型的過濾器通常安裝在系統內大多數設施的上游，包括儀表，防迴流閥（或檢測止回閥）和水流警報裝置等，從而保護這些設施不會被大顆粒損壞。
  13. And the implementations in fpga of each composition are also completed. the rapidly frequency estimation algorism in the short data condition are implemented in fpga to get the band position. pipeline has been used in this dissertation to advance the performance

    結合多相濾波下變頻結構、演算法對測頻精度及速度的要求，提出了短數據快速測頻演算法的具體實現，使用流水線的設計方法，提高了系統的數據吞吐率，在盡可能短的時間內提供多相濾波下變頻所需的載頻位置信息。
  14. Firstly, developing status of routine test of hydroelectric generation set and trouble diagnosing in china and abroad are introduced ; secondly, the article specifies the structure of cims and basic theory and technology. cims is composed of monitoring apparatus and analyzing system, signal processing uses fft and df ; in the end, function of cims is specified. monitoring apparatus is designed of 80c196kb and 89c52, the monitoring soft adopts microsoft visual basic 6. 0 and the database is developed of microsoft access 2000

    文章首先介紹了水電機組常規試驗及故障診斷國內外發展現狀；然後給出了系統的結構框架和理論技術說明，本系統由監測裝置和軟體分析系統組成，信號處理採用了快速傅利葉變換和數字濾波技術；最後詳細分析了系統功能，監測裝置使用80c196kb和89c52單片機技術開發，監測軟體使用visualbasic6 . 0語言編制，數據庫採用microsoftaccess2000 ，監測系統分為三大部分：運行狀態監測模塊、故障分析及數據處理模塊、水輪發電機組常規試驗模塊。
  15. A new type of blind watermarking technology, which has the advantage of adopting watermarking embedding algorithm is introduced based on wavelet transform and cosine transform, so the original image isn ' t necessary when picking up watermarking and the transparency and robustness of digital watermarking system is well fulfilled, the attack in the forms of noise, median filtering and compress can be withstood, and high pass filtering and low pass filtering can also be endured

    摘要詳細介紹了基於一種新型的基於小波變換和餘弦變換的盲水印數字水印技術，這種方法的一個顯著的優點就是採用水印嵌入演算法，提取水印的時候不需要原圖象，能夠很好的滿足了數字水印系統的透明性和魯棒性，能夠經受住加入噪聲、中值濾波、壓縮等方式的攻擊，並且還能夠經受住高通濾波和低通濾波。
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