poly-filter 中文意思是什麼
poly-filter
解釋
波利-菲耳特丙綸機織土建布-
Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm
接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。 -
The system is made up of two parts : pre - separator and filter belt press. the sludge to be dried is pumped into the pre - separator where the poly - electrolite solution mixed with the sludge flocculates. some water is separated in the drum where the sludge flow discharging into the filter belt is also balanced
濾液再循環利用：預脫水產生的清澈濾液循環用作濾帶清洗噴淋水，只在絮凝劑調配，機器開機關機后噴淋清洗時才需要自來水或生產用水，水耗最小。 -
Filter poly - phase decomposition method is adopted in this dissertation. the partition of the tuning channel according to the digital mixing sequence, and the digital down - conversion by means of decimating first, the low - pass filtering and mixing realize efficiently the down - conversion of the variable carrier frequency band - pass signal
本文採用濾波器多相分解方法，按數字混頻序列劃分調諧通道，使用先抽取，后低通濾波，再混頻的數字下變頻結構，高效實現了變載頻帶通信號數字下變頻。 -
The structure analysis and design of interpolation filter for symbol synchronization are introduced, based on which a poly - phase structure of interpolation filter with high accuracy and low complexity is presented
其次，介紹了符號同步中內插濾波器的常見結構及其設計方法，並給出一種具有較高精度和較低復雜度的多相型同步內插器結構。 -
This dissertation proposes to adopt poly - phase filtering channelized receiver to receive the special multi - carrier ds - cdma signal, which is studied by this dissertation, and use digital matched filter to de - spread signal
在此基礎上提出採用多相濾波器組通道化接收機來接收本文研究的多載波擴頻通信信號，並使用數字匹配濾波器進行解擴。 -
Moreover, based on poly - phase signal processing and interpolation, a timing variable cic ( cascaded - integrator - comb ) filter based method for sampling rate conversion is analyzed
另外，結合多速率多相信號處理和nco內插控制思想，分析了時變cic內插濾波器的采樣率變換實現。
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