A new method of filtering the tracking errors in the observational trajectory 視在航路中跟蹤誤差濾波的新方法
Test method of filter media for dust collection part 1 : filter efficiency 集塵用過濾介質(zhì)的試驗(yàn)方法.第1部分:過濾效率
In chapter 4 , designing methods of filters in medium frequency power supply and negative effects that filters impact on the running system are discussed 第四章主要探討了電源系統(tǒng)的濾波器設(shè)計(jì)方法和濾波器對系統(tǒng)帶非對稱負(fù)載運(yùn)行時的影響。
In the process of programming , the scaling step is adopted to adjust the performance and efficiency of optimization , using the method of filtering inactive constraints to reduce the sensitivity analysis 程序化過程中,為了提高算法的效率,采用了射線步來調(diào)整結(jié)構(gòu)性態(tài);用準(zhǔn)有效約束初選有效約束,以減少敏度分析。
The design methods of the fire alarm system based on can bus , including the hardware methods of filter circuit and photoelectric isolation and software methods of digital filter and software trap , are brought foward to enhance the system reliability 提出了基于can總線的船舶火災(zāi)報(bào)警系統(tǒng)的設(shè)計(jì)方法,即通過數(shù)字濾波和軟件陷阱等措施來提高系統(tǒng)的可靠性。
The assembly language program collects and processes the data real time . comparing kinds of method of filter and arithmetic of fft , the author select the fir filter to realize pretreatment of signal and radix - 2 fft to distill the characters of librations 通過對各種濾波方法和fft算法進(jìn)行比較,本套數(shù)據(jù)檢測和校準(zhǔn)處理系統(tǒng)采用fir濾波對采集到的信號進(jìn)行預(yù)處理,利用基2fft算法來提取信號的頻率特征。
In order of the process of data processing arrives national standard , the article described the technology of data sign processing . compared and analyzed different methods of filter designing , chosen the method of fir with window and designed the low frequency data filter . used the software of matlab to simulate the frequency performance , which is combined with some experiments 為了使試驗(yàn)數(shù)據(jù)處理過程符合國家法規(guī)要求,本文對數(shù)字信號處理技術(shù)進(jìn)行了探討,對不同的數(shù)字濾波器設(shè)計(jì)方法進(jìn)行了對比分析,擇優(yōu)采用fir加窗技術(shù)開發(fā)出了滿足要求的低通數(shù)字濾波器,并結(jié)合試驗(yàn)情況用matlab對本濾波器幅頻特性進(jìn)行了仿真計(jì)算分析。
Founded on " the key technology research of image searching and filtering in real time " of 863 - plan project , we study the key technology of image filter . in this paper , we present a new method of filtering objectionable images and develop a system which can filter the erotic images efficiently . the results show that the system works well 本文以此為背景,依托于“十五” 863計(jì)劃項(xiàng)目? ? “實(shí)時圖像檢索與過濾關(guān)鍵技術(shù)研究” ,對應(yīng)用于網(wǎng)站過濾的敏感圖像過濾關(guān)鍵技術(shù)進(jìn)行了研究,并在此基礎(chǔ)上提出了一個敏感圖像過濾的體系結(jié)構(gòu),實(shí)驗(yàn)證明基于該體系結(jié)構(gòu)的系統(tǒng)有效得過濾了敏感圖像。
This paper introduces the research and development of a modulation and demodulation module of power line carrier , which is used in the area of power line communication . after analyzing the principium of system ' s function , comparing several projects and choosing the chips ( especially digital signal processor and programmable logic device ) , the software program based on the method of filter is designed with the developing environment of chips . then the circuit diagram is finished by the mean of eda software and the printing circuit board is designed 經(jīng)過對系統(tǒng)功能原理的分析、幾種方案的比較、硬件芯片(尤其是數(shù)字信號處理器與可編程邏輯器件)的選擇,利用各種芯片的軟件開發(fā)環(huán)境,編寫出基于濾波法調(diào)制解調(diào)的系統(tǒng)軟件程序,使用eda軟件完成電路原理圖并設(shè)計(jì)出印制板圖后,經(jīng)安裝調(diào)試,成功地開發(fā)出電力線載波機(jī)調(diào)制解調(diào)模塊。
By means of the method of filtered convolution , we process the nearly 15 years ' ( 1986 - 2000 ) observational data of the cross - fault short level at tianma station of fujian and draw the deformation features of the relative movement of both sides of the fault before mid - strong earthquakes in fujian and the coastal areas 摘要應(yīng)用褶積濾波的方法對福建天馬跨斷層短水準(zhǔn)觀測點(diǎn)近15年( 1986 ~ 2000年)的觀測資料進(jìn)行了計(jì)算、處理和分析,歸納出了福建及其沿海地區(qū)中強(qiáng)震發(fā)生前該斷層兩盤的相對運(yùn)動變化特徵。