code delay 中文意思是什麼
code delay
解釋
編碼延遲-
Joint angle and delay estimation based on uniform circular array in cdma system with aperiodic spreading code
非周期擴頻系統中基於均勻圓陣的角度和時延的聯合估計 -
Moreover two types of non - cooperative sequences estimation and despreading schemes are introduced briefly. 2. several usual blind code synchronization methods, including delay multiply ( sliding autocorrelation ), maximum norm and average noise reduction approaches are summed up and analyzed by computer simulations
2 、總結和介紹了幾種常用的盲碼同步方法，包括延遲相乘（滑動自相關）法、最大范數法、平均降噪法等，並進行了計算機模擬和分析。 -
By complementing the proposed scheme with methods to estimate the fractional code delay, the acquisition unit an provide high quality delay estimates such that it can instead of the delay locked loop in the traditional ds receiver. after dispreading successfully, this dissertation introduces a method to estimate the doppler - shift directly from some samples based maximum likelihood estimation, and then revise it forwardly
在成功解擴之後，本文利用最大似然估計從l個樣點中直接估計出殘余多普勒頻偏，並進行前向頻偏校正，來代替傳統擴頻接收機中的科斯塔斯環，經模擬證明該方法的估計精度完全滿足解調的要求。 -
As the execution efficiency of assembly language is about ten times higher than that of c language, we converted the standard c source code to assembly language and optimized it with adsp2188n instruction set, and so greatly reduced the system delay
由於匯編語言比c語言的執行效率約高一個數量級，我們將標準c語言程序轉換為匯編語言程序，並針對adsp2188n晶元進行特定的優化，使其在dsp上高效運行，從而大大減少了系統時延。 -
This thesis makes use of instruction split, delay - slot scheduling and peephole optimization in porting. the new cross - compiler system, zltcg, not only supports the new target but also absorbs the old system ' s advantages on code optimization and portability. at first, this thesis describes the developing history and theories of compiler, especially on its architecture, bootstrapping and porting
本文根據新目標機的特點，利用了指令拆分，延時槽調度，窺孔優化等技術，既實現了對新目標機的支持，又吸收了原有系統高度優化和可移植的優點。 -
Where the loss of or damage to the goods has occurred concurrently with the delay in delivery thereof, the limitation of liability of the carrier shall be that as provided for in paragraph 1 of article 56 of this code
貨物的滅失或者損壞和遲延交付同時發生的，承運人賠償責任限額適用本法第五十六條第一款規定的限額。 -
Pn code synchronization algorithm based on serial - search acquisition scheme and delay - looked loop tracking is discussed in detail
闡述了基於滑動相關捕獲及延遲跟蹤環跟蹤的偽碼同步技術的設計與實現。 -
Code violation, delay of game, warning, mr. baker
貝克先生拖延比賽，違反了行為準則，給予警告。 -
There are two uncertain factor about it : the phase of the pn code and the doppler - shift. after capturing the received signal successfully, the traditional ds receiver always uses a delay locked loop ( dll ) to synchronize the pn code and then uses a costas loop to realize the carrier synchronization. this complex closed - loop structure not only take long time to realize the synchronization, but also has the defect of “ hang up ”
傳統的擴頻接收機通常在捕獲偽碼信號后利用遲早門鑒相的延時鎖定環來實現偽碼的精同步，解擴后利用科斯塔斯環實現載波同步，這種閉環結構不僅同步時間長、結構復雜，而且鎖相環還存在所謂的「 hang - up 」現象。 -
Thus, it can ensure no cancellation of the desired signal when minimizing the cm cost function to suppress interference. in this paper, delay - hypothesized matched filter based on minimum kurtosis criterion is used to initialize code - constrained cma
通過對均衡器的權向量增加約束，使其在迭代更新最小化代價函數時，能在有效抑制干擾的同時保證期望用戶信號不被抑制。 -
Simulation results indicate that the algorithm can reduce the delay ' s uncertainty range greatly, even with great position errors the uncertainty range still can be reduced to the half, and is effective for the fast acquisition of long cycle code
數值計算表明，演算法能夠大大壓縮不同導航星和不同場景用戶之間傳播時延的不確定范圍，即使在用戶與衛星位置誤差較大的惡劣應用背景下也能將不確定范圍壓縮一半，從而有效地輔助長碼快捕的實現。 -
Many traditional optimizations such as register allocation optimizations are able to reduce the energy consumption indirectly while reducing the executed instructions. for instance, the improvements to the code generation techniques for the register stack can reduce the register saves and restores, further reduce the energy consumption and the execution delay
例如在itanium中，對棧寄存器分配的優化，可以減少rse （ registerstackengine ）的溢出和填入操作，從而減少了處理器的等待時間，同時，降低了指令執行帶來的功耗。 -
In satellite navigation and positioning system, time is important information for fast and direct acquisition of long cycle code, one of its important aspects is the uncertainty compression of signal ' s propagation delay to reduce time search range
摘要衛星導航定位系統中，輔助長碼快捕的一個最重要的信息是時間信息，衛星信號傳播時延估計是提供先驗時間信息，減少時域搜索范圍的一個重要方面。 -
G. 729 not only has short code - decode delay but provides good synthesized speech at 8kb / s. moreover it can work reliably in many circumstances
G . 729不僅在8kb s的速率下提供了良好的合成音質，而且理論編解碼延時較短，在多種場合均能有效工作。 -
The parallel scheme based on sliding correlation method is proposed in the simulation of acquisition. baseband fully time delay - locked pn code tracking loops are employed in tracking simulation
在對完全互補碼捕獲的模擬中，本文提出了基於滑動相關法的并行捕獲實現方案。 -
Multipath acquisition decide the coarse pn code phase and pick up the available multipath components. following, code tracking confirm the pn code phase precisely and track every multipath component ' s delay drifting due to doppler effect. in this paper, the code tracking technique in spread spectrum communication is introduced
本論文首先介紹了在擴頻通信中採用的同步跟蹤技術，結合wcdma上行鏈路的特點，提出了適合wcdma上行鏈路的pn碼跟蹤方案，並與現有的多徑搜索和通道估計演算法構成完整的上行鏈路rake接收機方案。 -
However, multipath components can be resolvable due to the autocorrelation of the spread spectrum signal, thus the optimal receiver equals coherent rake reception, i. e. maximum ratio combining the independent components which endure flat fading or frequency non - selective fading. synchronization of pn code and separation of resolvable multipath components need to estimate the exact time delay among the multipath components
但是利用擴頻信號的自相關特性，可分辨多徑可以被有效分離，最優接收機等效為對多個具有獨立平坦衰落通道（或頻率非選擇性通道）特性的多徑信號進行最大比合併，即相干rake接收。 -
By way of analysis about the typical gps receiver tracking loops, the mathematical models of code multipath error and carrier phase multipath error are proposed in the dissertation ; by way of analysis about geometrical model of multipah signal, the mathematical model of differential path delay is proposed in the dissertation ; based on the above analysis, a improved carrier phase multipath mitigation algorithm using closely - spaced multiple antennas array is proposed, the result of computer simulation proves that the algorithm is feasible. the attitude parameters are often estimated using direct computation method. the relationship between the accuracy of attitude parameters and baseline length as well
本文從經典的gps接收機跟蹤環出發，分析了多徑效應對偽距觀測量、載波相位觀測量和snr的影響，提出了碼相位多徑誤差和載波相位多徑誤差的數學模型；通過對多徑效應的幾何模型分析，提出了多徑信號相對路徑延遲的數學模型；在此基礎之上，提出了一種改進的基於窄間距多天線陣列的載波相位多徑誤差抑制演算法，通過計算機模擬證明了該演算法的有效性。 -
Because using ofdm, a frequency - selective fading channel can be transformed into multiple frequency - flat fading sub - channels, in the coding process, spatial diversity ( due to multiple antennas ) is integrated with frequency diversity ( due to delay spread ), therefore, the proposed code can provide higher diversity gain than space - time code alone
該編碼利用正交頻分復用把頻率選擇性衰落通道變換成平衰落通道的特性，同時引入了基於多天線的空間分集和基於時延擴展的頻率分集，比空時編碼具有更高的分集增益。 -
The experimental results show that the effect of ib is much larger than that of the noise on estimating ionospheic delay, and ib can cause ionospheric delay measurements to include systematic errors of the order of several meters. therefore, one must significantly take notice of ib and remove its negative effect, and should not casually consider ib as part of noise whenever gps data are used to fit ionospheric model or to directly calculate ionospheric delay. ( 3 ) stability of ib is studied with a refined method for separating it from ionospheric delay using multi - day gps phase - smoothed code data
算例表明，新方法通過採用平均去噪分離方法后處理相位丞于g陀的電官唇監剝及延遲改正工論與方法的研究平滑測碼數據，求出儀器偏差並對需要實時處理儀器偏差的觀測數據進行預報改止，直接利用觀測值確定電離層延遲量，待估參數少、能消除儀器偏差的大部分影響，具有較好的精度，可作為waas及其他gps網路系統確定電離層延遲的可行的參考方案。
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