查询词典 bit error rate

Simulation results show that the bit error rate can be decreased by using the increasing frequency hopping sequence.

仿真结果表明，采用递增序列的前置跳频滤波接收方法使误码率大大降低。

In order to improve the reliability of the communication,the bit error rate is reduced by a scheme of BCH coding and decoding combined with interleaving.

在分析了一般BCH 编译码原理的基础上，提出了一种适合于ARM软件实现的快速编译码设计方案。

In order to overcome ISI and decrease bit error rate, equalization technology is widely used in high speed wireless communication system.

为了消除码间干扰，降低通信系统的误码率，均衡技术被广泛的应用在各种高速率无线通信系统中。

Lecturing the technical requirements and constitution of light transmitter and receiver; the theory of noise of light receiver; analytic theories of signal/noise ratio and bit error rate for digital light receiver; technique of coding and decoding of line.

讲授光发送机和光接收机的组成及其技术要求；光接收机的噪声理论；数字光接收机的信噪比和误码率分析理论；线路编解码技术。

The use of single-chip multi-address encoding techniques, each extension using a different set of address coding, low bit error rate call, call the host when the non-interfering.

如果采用无线传输，会节约布线和改造线路的资金，为医院节约成本，并且及时、准确、可靠、简便可行，比目前的同类产品更能受到医院及病人的认可，有更强的竞争力，能大量推广。

And the bit error rate of this optical CDMA communication system is analyzed in detail.

通过数值分析，详细讨论了该无线光通信系统的性能。

For the problem that the suppression of co-channel interference and suppression of noise can't be balanced in signal-to-jamming and noise ratio maximization method for the linear precoding of multiuser multiple-input multiple-output downlink systems, an improved scheme that the term of noise variance is modified as a piecewise linear function is proposed, in which the balance between suppression of co-channel interference and suppression of noise can still be maintained even when the noise variance is a small value through piecewise modifying the term of noise variance, and thus the bit error rate and capacity of the systems are further improved.

针对多用户多输入多输出系统下行链路线性预编码的信干噪比最大化方法中，共信道干扰抑制和噪声抑制不能有效平衡的问题，提出将其中的噪声方差项修正为以噪声方差为变量的分段线性函数的改进方案。该方案通过对噪声方差项的分段修正，在噪声方差的值较小时依然能够保持共信道干扰抑制和噪声抑制间的平衡，从而使系统的误比特率性能和容量得到进一步提高。

Given bit error rate and signal to noise ratio and other parameters.

给出了误码率和信噪比等参数。

As an example using sine wave, the effect of vibration amplitude and frequency and time on bit error rate is researched.

以振动谱中典型的正弦谐波为例，推导了振幅、频率和时间对误码率的影响。

Impact of aperture averaging on bit-error rate for free space optical communication.

孔径平均对自由空间光通信误码率的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。