bit error ratio造句
例句與造句
- Design and realization of bit error ratio tester based on fpga
的誤碼率測(cè)試儀的設(shè)計(jì)與實(shí)現(xiàn) - In addition , the b3g test platform supports the bits error ratio ( ber ) test
B3g測(cè)試平臺(tái)還提供了誤碼率測(cè)試的功能。 - Bit error ratio
誤碼率,誤比特率 - However , adaptive equalization technique can decrease the effect of isi and noise , reduce the bit error ratio and trace time - changing channel
而自適應(yīng)均衡技術(shù)可以降低碼間干擾和噪聲的影響,減少誤碼,并能夠跟蹤時(shí)變信道,解決時(shí)變波形的嚴(yán)重失真問(wèn)題。 - Through theoretically analyzing the hsnr condition for our algorithm to be applied , we relate the correct classification probability and bit error ratio of demodulation
通過(guò)理論分析“大信噪比”近似成立的條件,把調(diào)制分類性能與信號(hào)解調(diào)的誤碼串聯(lián)系在一起。 - It's difficult to find bit error ratio in a sentence. 用bit error ratio造句挺難的
- The data captured by b3g test tools is used for debugging the module and analysing performance . in addition , the b3g test tools support bits error ratio test based on pseudo - random number
B3g測(cè)試工具還利用了偽隨機(jī)( pn )序列對(duì)整個(gè)系統(tǒng)進(jìn)行誤比特率( ber )的測(cè)試。 - Although bluetooth adopts frequency hopping to avoid interference , its bit error ratio will rise sharply when there are strong interference in the selected frequency band
盡管藍(lán)牙采用跳頻方案來(lái)避免干擾,但是當(dāng)所選擇的跳頻點(diǎn)上干擾較強(qiáng)時(shí),藍(lán)牙系統(tǒng)的誤碼率會(huì)受到很大的影響。 - This paper makes following works . first , the algorithm of fragmenting data packet was put forward according to bit errors ratio . second , the fragmentation data algorithm was used in asymmetry tcp
第二,根據(jù)有基站無(wú)線局域網(wǎng)的特點(diǎn),將最優(yōu)的數(shù)據(jù)包分割應(yīng)用于有基站的非對(duì)稱的tcp協(xié)議。 - With this inner concatenated codes , the performance of ber ( bit error ratio ) and system capacity can be controlled by adjusting the dimension of stbc ( space - time block codes ) in the inner concatenated codes according to the channel parameters
這種編碼方式可以在既定的發(fā)射天線數(shù)下,根據(jù)信道環(huán)境的優(yōu)劣,通過(guò)調(diào)整內(nèi)接碼中空時(shí)分組碼維數(shù)來(lái)控制系統(tǒng)誤碼率性能和系統(tǒng)容量。 - But compared with wired network , the shortcomings of wireless network are : 1 data transmitting with high bit errors ratio ; 2 move equipment usually powered by battery , so the energy is limited ; 3 the bandwidth of communication is narrow compared with wire networks
但與有線網(wǎng)絡(luò)相比,無(wú)線局域網(wǎng)的缺點(diǎn)是: 1 、數(shù)據(jù)的出錯(cuò)率高; 2 、移動(dòng)設(shè)備通常依靠電池供電,能源有限; 3 、通信的帶寬窄。本文做了以下幾方面的工作。 - In order to practice the sess communication system based on ar filter , the system must have the good performance of anti - jamming and multiple accessing . we analyze and simulate the ar - sess communication model , the important performance factors , the bit error ratio ( ber ) performance and the multiple accessing
本文以ar自編碼直接序列擴(kuò)頻通信方式為對(duì)象,討論基于ar的自編碼擴(kuò)頻通信系統(tǒng)( ar - sess )模型、影響ar - sess系統(tǒng)性能的重要因素、 ar - sess通信的信噪比和多址通信能力。 - With the established rf front - end system simulation platform , adding the digital modulated baseband signal , this paper simulated the multifold digital modulated signal ’ s transmission , such as 2ask , qpsk , and 16qam . then researches of power compression and phase noise of local oscillation influence the bit error ratio for different modulated system . the designing is satisfied multifold functions request with the high - powered and integrated broadband rf front - end
隨后在建立的寬帶射頻前端通用仿真平臺(tái)上,加入基帶數(shù)字調(diào)制信號(hào),對(duì)多種數(shù)字調(diào)制格式的信號(hào)在該通用平臺(tái)上的傳輸作了研究,模擬了2ask 、 qpsk和16qam等調(diào)制格式信號(hào)的發(fā)射與接收,研究了功率壓縮和本振相位噪聲對(duì)不同調(diào)制的誤碼率影響,實(shí)現(xiàn)了滿足多種功能要求的寬帶高性能綜合射頻前端的設(shè)計(jì)。 - In mobile communication and high - speed wireless digital communication , multi - path , the finity of channel bandwidth and faultiness of the channel , lead to the bringing of intersymbol interference ( isi ) when data transfer . this is an important factor that degrades the performance of communication . however channel equalization technique can eliminate the isi and noise , it can also reduces the bit error ratio
在移動(dòng)通信及高速無(wú)線數(shù)據(jù)通信中,多徑效應(yīng)和信道帶寬的有限性以及信道特性的不完善性導(dǎo)致數(shù)據(jù)傳輸時(shí)不可避免地產(chǎn)生碼間干擾( isi ) ,成為影響通信質(zhì)量的重要因素,而信道的均衡技術(shù)可以消除碼間干擾和噪聲,并減少誤碼率。 - This article proposes the adaptive algorithm based on equal snr signal noise ratio , and applies it in adaptive ofdm system . in frequency selective fading channel , compared with the traditional ofdm system based on equal power allocation , the system outperforms in ber bit error ratio performance
提出了一種基于最小平均誤碼率的自適應(yīng)預(yù)處理算法,并將該算法應(yīng)用于自適應(yīng)ofdm系統(tǒng),在頻率選擇性衰落信道條件下,與等功率分配的ofdm系統(tǒng)相比,誤比特性能有了很大程度的提高。 - The nonlinear filtering for nbi estimate - subtract assumes that the prediction error is dominated by spread spectrum signal and the background noise power is far below spread spectrum chip power , this assumption promises the low error ratio of chip decision but may not be attainable to digitalized dsss receiver in military communication environment , and does not coincide with the principle of dsss communication that decreases bit error ratio ( ber ) depending on spread spectrum gain , not on chip power
在干擾估計(jì)抵消濾波中,以往的非線性濾波要求干擾抵消濾波后擴(kuò)頻信號(hào)功率遠(yuǎn)大于殘余噪聲功率,進(jìn)而假設(shè)碼片判決的誤碼片率基本為零,這一要求對(duì)軍用擴(kuò)頻通信是不利的,而且也不符合擴(kuò)頻通信利用擴(kuò)頻增益降低誤碼率的原則。