channel algorithm 中文意思是什麼
channel algorithm
解釋
通道演算法-
In the entitative routing stage, the macro - cell layout must be compressed for optimization area and time delay. it should be compared beauty with the routing result by manual. an algorithm, which is gridless, variable widths and minimizing layer permutation, is advanced for channel region
晶體管級實體布線階段，由於庫單元的復用性，要求庫單元版圖緊湊，即要求單元版圖在滿足各約束條件的前提下面積、性能優化程度較高，能與手工設計的版圖相媲美。 -
The thesis analyzes the transmitting characteristic of the uwa channel, derives the propagation losses, eigenrays and channel impulse responses of uwa channel by use of the kraken normal wave mode and the ray trace algorithm based on velocity - depth curvilinear profile approximation. based on the analysis, a scheme of auto - replying lduwarc system by means of spread spectrum technique has been designed
論文首先分析了遠程聲遙控通道傳輸特性，分別利用kraken簡正波和射線跟蹤模型對深海和淺海水聲通道的傳輸特性進行分析，對通道的多徑結構、衰落和環境噪聲進行了計算，並在此基礎上設計了基於擴頻技術的自主應答式遠程聲遙控系統方案。 -
Further, combat channel errors algorithm of collaborating mdc and ecn is presented for video
進一步地，提出md - 3d - spiht與差錯隱藏的聯合抗誤碼演算法。 -
First, in the subsystem, the blade was optimized according to genetic algorithm with the meridional channel remained constant
首先，在子系統內保持子午流道形狀不變，利用遺傳演算法對葉片進行優化。 -
In order to improve adaptability and robustness of algorithms, we present another toa / tdoa data fusion algorithm based on support vector machine regression for radiolocation. then we test the capability of location estimation algorithm in distinct channel environments, the results suggest that the location precision within 100m is accessed with 67 % probability by this method
為了提高定位演算法的健壯性和自適應能力，論文提出了一種基於支持向量回歸（ svr ）對toa / tdoa進行數據融合的方法，並對演算法在不同的通道環境下的定位性能進行了模擬。 -
The application of the software hardware advanced techniques, such as an algorithm for continuously outputting high - rate gps position data, voice data trucking system ( vdt ), a new gps ( avl ) system framework, an up - to - date mutual communication method and so on, enlarges the system capacity and the covering area, realizes the voice data transmitting in the present mobile communication channel, meets the need of kinetic positioning. in a word, it enhances the capability of management and decision
系統中gps定位數據的高速率連續輸出演算法、話音數據集群（ vdt ） 、新的gps車輛系統結構和全新的通信交互手段等先進技術的採用，人人提高了系統的容量和覆蓋面積，實現了在現有移動通信通道上數話兼容、高動態定位的需求，使科學管理和決策水平得到很大提高。 -
( 2 ) a new synchronization method based on barker code is designed which is simple, effective for uwb system. ( 3 ) a new channel estimation method based on music algorithm is given, which is compared with ml algorthim. and the effection is proved by
（ 3 ）採用數學公式推導出基於music演算法的通道估計的理論公式，得出了模擬結果，將其與較為成熟的ml演算法比較，並在實測數據中加以驗證。 -
Through a lot of experiments and simulations, analyzing the uwb channel model, studying on many papers, a new synchronization algorithm based on barker code and a new channel estimation method based on music algorithm are given. the simulation results of synchronization algorithm in which uwb channel model is used are gotten, and the channel estimation algorithm is demonstrated by measurement data. anyway, both of them get good conclusions
本文通過大量的模擬以及實測的數據分析了通道模型，在參考了大量文獻的基礎上給出了較為實際的同步方法和通道估計方法，並進行了大量的模擬驗證，其中同步方法在結合通道模型的基礎上給出了模擬結論，通道估計方法最後應用於實測數據當中，得出了較為理想的結果。 -
The techniques of the barometric height measurement are researched, which is calibrated by gps information and compensated by temperature information. the barometric height measurement channel of high resolution is designed with the help of curve - fitting and digital filtering algorithm
研究了利用gps校準零點、帶溫度補償的氣壓高度測量技術，通過曲線擬合與數字濾波技術，設計了具有較高解析度的氣壓高度測量通道。 -
Turbo codes represent the new code structures, which consist of pccc ( parallel serially convolutional code ) and sccc ( serially concatenated convolutional code ). in this paper, the background of turbo codes are firstly introduced, which includes the base principle of error correction code 、 block code and convolutional code ; the principle of turbo code and the iterative decoding is secondly expanded ; the key decoding algorithm : a revised map algorithm and iterative decoding theory are detailed ; then, a new turbo code structure : hccc ( hybrid concatenated convolutional code ) is presented, and the capacity of this code method is analyzed, the average capacity upper bound is derived ; at last, this code is simulated on awgn ( additive white gaussian noise ) channel and rayleigh fading channel
本文首先介紹了turbo碼的背景知識，包括差錯控制的基本原理、分組碼和卷積碼；然後闡述了turbo碼的基本原理，包括turbo編譯碼器結構及迭代譯碼原理；較為詳細地描述了關鍵的譯碼演算法： ?種改進的最大后驗概率（ map ）譯碼演算法及迭代譯碼演算法；提出了一種新的turbo碼結構：混合turbo碼（混合級聯卷積碼） ；並用編碼性能聯合界分析方法對混合turbo碼進行了性能分析，得出了其平均性能上界；並在高斯白噪聲通道和瑞利衰落通道上分別作了一些應用研究及計算機模擬實驗。 -
The original infomax is only applied in the instantaneous mixture and in the single channel blind deconvolution. this thesis applies the idea to blind sources separation in multiple channel convolutive mixture. through simulation, we can show that the algorithm has good performance
Infomax演算法適用於瞬時混合情況下的盲分離和單通道盲解卷積問題，本文將infomax演算法推廣到多通道卷積混合，對演算法進行模擬，取得了不錯的效果。 -
Simulations of channel characteristics, a basic part of system simulations, are of vital importance meaning for both analysis and simulation of channel estimation, switching algorithm and power control
通道特性的模擬是系統模擬的重要組成部分，對通道估計、切換演算法和功率控制等方面的分析與建模有重要的意義。 -
This paper presents two methods for cloud detection : multi - channel dynamical threshold algorithm and apparent reflectance algorithm
本文介紹了兩種雲檢測演算法：雙通道動態閾值法和表觀反射率法。 -
The apparent reflectance algorithm estimates the clear - sky visible apparent reflectance as the bases of visible channel thresholds with the 6s radiation transfer model. cloud detection is tested with apparent reflectance algorithm to gms5 images
將表觀反射率乘以不同的系數得閾值，待檢測雲圖的表觀反射率大於閾值的像元為雲像元。 -
Firstly, the airborne electromechanical system, the development of bus protocol, power line channel and power system are described in the dissertation ; secondly, the algorithm of qpsk and root raised cosin are discussed ; thirdly, the designation of the hardware and software of the modem board, based on qpsk, built up with dsp and cpld are given. the high - speed data transporting card of airborne electromechanical communication system, which is based on plc, are put forward in our country
本文介紹了飛機電力線載波數據通信系統的結構，並對低壓電力線的通道特性進行了分析；對qpsk調制演算法及均方根升餘弦低通濾波演算法進行了詳細論證；設計出基於qpsk的調制解調模塊，並在此基礎上，研製出以dsp和cpld為最小系統的調制解調硬體電路板，開發了調制解調模塊電路板的應用軟體程序。 -
The main characteristics and advantages are : on one hand, we adopted the low - complexity bussgang algorithm, and did blind estimation to ofdm sub - channel according to the mean square error criterion ( mse ) and peak distortion criterion ; on the other hand, we used the differential detection, which accelerates the convergence speed and avoid the error transmission problem resulted from the bussgang algorithm
這兩種演算法一方面採用了低復雜度的bussgang自適應演算法，分別依據均方誤差準則和峰值失真準則對ofdm系統子通道進行盲估計；另一方面通過引入差分檢測技術，加快了演算法收斂速度，克服了bussgang演算法帶來的誤差傳播問題。 -
In this modified algorithm, channel estimation is made by dispreading the received signal of dpcch with a corresponding long gold sequence and pilot ovsf, followed by averaging
本文將dpcch中的導頻信號解擾、解擴，再將它們與已知導頻信號相乘得到的通道估計值進行平均，從而得到最終的通道估計值。 -
The super - exponential iteration ( sei ) blind equalization algorithm has the advantage of good tracking capability of the time varying channel
超指數盲均衡演算法的迭代演算法收斂速度快，且便於跟蹤時變通道。 -
In case where long - range communication is needed, spatial diversity blind equalizer ( sdbe ) is an effective way to improve snr and suppress distortion. joint carrier phase recovery with sdbe using second order digital phase lock loop is presented to track the doppler shift, and a kind of quantization method is used to reduce the complexity of the multi - channel algorithm. its performance is very similar to the original one
模擬結果表明，採用二階數字鎖相環的空間分集均衡演算法的跟蹤性能超過了採用一階鎖相環和未加鎖相環的演算法，可有效補償由於水聲通道時變而引入的載波相位快速變化；採用誤差量化的演算法和原演算法的收斂和踉蹤性能都很接近。 -
The zigbee performance of co - channel anti - interference is investigated. the coexistence problem of zigbee with some interferences in the 2. 4ghz ism ( industry, science, medicine ) frequency band is analyzed. by analyzing zigbee mechanism of anti - interference, such as channel algorithm, and by considering the condition of wi - fi, bluetooth, the following conclusion is reached : the proper choice of channel, larger frequency offset and a proper distance from a interfering source are the three effective strategies for further improving coexistence performance of zigbee
3 .對zigbee技術本身的抗同頻干擾性能進行了研究，分析了在2 . 4ghz頻段zigbee和主要干擾源的共存問題，通過分析zigbee的通道演算法等抗干擾機制並結合wi - fi 、藍牙等技術的特點，得出結論:正確選擇通道、增大頻偏以及和干擾源保持一定距離是保證共存的三個主要措施。
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