The anaylsis of innovative pattern of marketing channelization in china 我國營銷渠道系統(tǒng)的創(chuàng)新模式分析
Lower lam tsuen river after channelization 林村河下游
4 . we carry on system testing of the channelization module and analyze the experimental results 4 .對信道化處理模塊進行了系統(tǒng)測試,對實驗結(jié)果進行了分析。
5 . the general work of this thesis is summarized and the further research direction of channelization processing is pointed out 5 .總結(jié)了本文的主要工作,并對信道化處理的后續(xù)工作進行了展望。
And we carry on carefully the theoretical research and systematic analysis of channelized receiver with poly - phase filters . in addition , we carry on simulations for channelization processing module 針對基于多相濾波的數(shù)字信道化接收機,進行了仔細的理論研究和系統(tǒng)分析,并在此基礎(chǔ)上,對信道化處理部分進行了仿真實現(xiàn)。
According to the requirements on the system , this thesis accomplishes the design of the system ’ s hardware platform to realize channelization while evaluating the a / d sampling circuit and validating the functions of the hardware platform 在此基礎(chǔ)上,結(jié)合系統(tǒng)需求,完成了系統(tǒng)中信道化處理模塊的硬件平臺的設(shè)計,同時對a / d采樣電路進行評估,對硬件平臺進行功能性的驗證。
Channelized receiver with poly - phase filters is an appropriate solution . in this thesis , the design and implementation of channelization processing are studied systematically . meanwhile , we put forward a new implementation method and get some conclusions and achievements 本文結(jié)合具體的研究項目,對基于多相濾波的數(shù)字信道化接收機中的信道化處理進行了系統(tǒng)的研究,并提出了一種新的實現(xiàn)方法,取得了部分研究成果。
This paper introduces common background knowledge of intersection , mainly describes traffic control design principle , such as signal timing and lane channelization . it also summarizes the same point between signal timing and lane channelization in nature and illustrates that it is optimal cycle length and signal phase that is the critical part of signal timing <中文摘要> =本文介紹了交叉口的一般背景知識,重點闡述了平面信號交叉口的交通控制的設(shè)置原理,包括信號配時原理和路口渠化原理,概括了信號配時和路口渠化原理的本質(zhì)相同點。
To utilize the advantages of dsp chips , the system should be computing sources economical . according to digital signal processing theory , the poly - phase fir can help reduce the workloads of the ddc / duc . therefore , adding the complex carrier mixers , the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals . by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft 為了使開發(fā)出的軟件可以適用于高速dsp器件開發(fā),節(jié)省系統(tǒng)資源,課題首先從數(shù)字信號處理的理論進行分析,得出可以利用抽樣率轉(zhuǎn)換的數(shù)字濾波器的特點,即多相濾波實現(xiàn)數(shù)字上下變頻計算負擔的減小,之后進一步將多相濾波器與頻譜搬移部分結(jié)合,通過公式的推導(dǎo),得出可利用快速傅立葉變換的特點實現(xiàn)多路信號的信道化發(fā)射和接收的處理模型。
This paper introduces common background knowledge of intersection , mainly describes traffic control design principle , such as signal timing and lane channelization . it also summarizes the same point between signal timing and lane channelization in nature and illustrates that it is optimal cycle length and signal phase that is the critical part of signal timing 本文介紹了交叉口的一般背景知識,重點闡述了平面信號交叉口的交通控制的設(shè)置原理,包括信號配時原理和路口渠化原理,概括了信號配時和路口渠化原理的本質(zhì)相同點。