bit error ratio造句
例句与造句
- Design and realization of bit error ratio tester based on fpga
的误码率测试仪的设计与实现 - In addition , the b3g test platform supports the bits error ratio ( ber ) test
B3g测试平台还提供了误码率测试的功能。 - Bit error ratio
误码率,误比特率 - However , adaptive equalization technique can decrease the effect of isi and noise , reduce the bit error ratio and trace time - changing channel
而自适应均衡技术可以降低码间干扰和噪声的影响,减少误码,并能够跟踪时变信道,解决时变波形的严重失真问题。 - Through theoretically analyzing the hsnr condition for our algorithm to be applied , we relate the correct classification probability and bit error ratio of demodulation
通过理论分析“大信噪比”近似成立的条件，把调制分类性能与信号解调的误码串联系在一起。 - It's difficult to find bit error ratio in a sentence. 用bit error ratio造句挺难的
- 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测试工具还利用了伪随机( pn )序列对整个系统进行误比特率( ber )的测试。 - 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
尽管蓝牙采用跳频方案来避免干扰，但是当所选择的跳频点上干扰较强时，蓝牙系统的误码率会受到很大的影响。 - 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，根据有基站无线局域网的特点，将最优的数据包分割应用于有基站的非对称的tcp协议。 - 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
这种编码方式可以在既定的发射天线数下，根据信道环境的优劣，通过调整内接码中空时分组码维数来控制系统误码率性能和系统容量。 - 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
但与有线网络相比，无线局域网的缺点是： 1 、数据的出错率高； 2 、移动设备通常依靠电池供电，能源有限； 3 、通信的带宽窄。本文做了以下几方面的工作。 - 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自编码直接序列扩频通信方式为对象,讨论基于ar的自编码扩频通信系统( ar - sess )模型、影响ar - sess系统性能的重要因素、 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
随后在建立的宽带射频前端通用仿真平台上,加入基带数字调制信号,对多种数字调制格式的信号在该通用平台上的传输作了研究,模拟了2ask 、 qpsk和16qam等调制格式信号的发射与接收,研究了功率压缩和本振相位噪声对不同调制的误码率影响,实现了满足多种功能要求的宽带高性能综合射频前端的设计。 - 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
在移动通信及高速无线数据通信中，多径效应和信道带宽的有限性以及信道特性的不完善性导致数据传输时不可避免地产生码间干扰( isi ) ，成为影响通信质量的重要因素，而信道的均衡技术可以消除码间干扰和噪声，并减少误码率。 - 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
提出了一种基于最小平均误码率的自适应预处理算法，并将该算法应用于自适应ofdm系统，在频率选择性衰落信道条件下，与等功率分配的ofdm系统相比，误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
在干扰估计抵消滤波中,以往的非线性滤波要求干扰抵消滤波后扩频信号功率远大于残余噪声功率,进而假设码片判决的误码片率基本为零,这一要求对军用扩频通信是不利的,而且也不符合扩频通信利用扩频增益降低误码率的原则。