multiple antenna造句
例句與造句
- Fortunately , a novel creative technology , namely multiple - input multiple - output ( mimo ) , has provided an innovative solution to this problem . mimo technology utilizes multiple antennas at both transmit and receive ends of the radio link to multiply the capacity and reliability by fully exploiting the space resource within the same frequency band at no additional power expenditure
可幸的是,多入多出( mimo )無線通信技術(shù)為解決該問題提供了全新的途徑,它在無線鏈路收發(fā)兩端均采用多天線,充分開發(fā)空間資源,在無需增加頻譜資源和發(fā)射功率的情況下,成倍地提升了通信系統(tǒng)的容量與可靠性。 - 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(jīng)典的gps接收機跟蹤環(huán)出發(fā)，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(shù)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(shù)學模型；在此基礎(chǔ)之上，提出了一種改進的基于窄間距多天線陣列的載波相位多徑誤差抑制算法，通過計算機仿真證明了該算法的有效性。 - In mimo systems , the signal can be sent and received through multiple antennas or antenna arrays . the combination of ofdm and mimo can effectively alleviate the problem of multi - path propagation , increase system capacity , and obtain more robust system capability , so they are considered as the main stream techniques of the future wireless communication system
Ofdm技術(shù)固有的抗信道多徑和頻率選擇性衰落特性以及mimo在提高系統(tǒng)頻譜利用率,改善無線通信系統(tǒng)性能等方面的巨大作用,使得這兩種技術(shù)的融合成為了下一代移動通信系統(tǒng)的必然選擇。 - Recently , multiple input multiple output ( mimo ) system which originates from the employment of multiple antennas at transmitter and receiver has many advantages such as large system capacity , high spectral efficiency . on the other hand , orthogonal frequency division multiplexing ( ofdm ) which bases on the orthogonal transmission of sub - carriers also has some obvious merits such as strong anti - multipath ability , high spectral efficiency . the combination of the two techniques mimo - ofdm , has become a hotspot recently and regarded as promising technique for future next - generation mobile communication systems
近來,在無線通信系統(tǒng)中的收發(fā)兩端同時使用多根天線的多入多出( mimo , multiple - input - multiple - output )通信結(jié)構(gòu),具有系統(tǒng)容量大、頻譜效率高等優(yōu)點;基于正交的多路子載波并行傳輸?shù)恼活l分復用( ofdm , orthogonalfrequencydivisionmultiplexing )技術(shù),具有抗多徑能力強、頻譜效率高等優(yōu)點,二者的結(jié)合,即mimo - ofdm技術(shù),被認為是構(gòu)建下一代移動通信系統(tǒng)的框架技術(shù)。 - It's difficult to find multiple antenna in a sentence. 用multiple antenna造句挺難的
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