| 1. | Channel distortion coefficient
通路非线性失真系数 |
| 2. | Two major factors that limit the performance of ds - cdma systems are multipath channel distortion and multiple - access interference ( mai )
对于ds - cdma移动通信系统，信道的失真与多址干扰是限制系统性能的主要因素。 |
| 3. | To combat multiparth channel distortion and mai , it is necessary to study the structure and algorithm of receiver
根据实际的移动通信信道环境的差异，研究合适的接收机结构及算法是对抗信道的失真与多址干扰有效措施。 |
| 4. | The accuracy of a speech recognition system in actually noisy environment is seriously affected by the additive noise and the channel distortions
实际环境中的背景噪声和传输通道变化所引起的畸变严重影响了语音识别系统的性能。 |
| 5. | Combined with the carrier synchronizer proposed in chapter 5 , a blind dfe structure is presented . simulation results show that the presented dfe structure can deal with serious channel distortion and frequency offset
仿真结果证明，在信号经过恶劣信道且具有较大频差的情况下，该dfe结构的均衡性能令人满意。 |
| 6. | When the high rate data is transmitted through bandlimited channels in mobile communications , the intersymbol interference ( isi ) caused by channel distortion and multipath propagation will bring decoding error . it needs to adopt appropriate techniques to remove or reduce this kind of interference
当在带限信道上传输高速数据时，会因为信道畸变和多径效应产生的码间干扰而产生误码，这就需要采用适当的技术来消除或减少这种干扰。 |
| 7. | In packet based wireless video communications , when best band distribution , not only source distortion should be considered , but also channel distortion caused by channel errors . the existing macroblock - layer rate control schemes calculates quantization parameters of all macroblocks ( mb ) in a frame in a raster scan order , and then encodes the mbs in the same order . actually , the quantization distortion is heavily dependent upon the coding order of mbs
在基于包的无线视频传输中，最佳带宽分配时，不仅要考虑信源编码失真，也要考虑由于信道差错引起的信道失真；已有的宏块层码率控制算法以矩阵扫描的顺序计算一帧中所有宏块的量化参数，事实上量化失真与宏块的编码顺序有很大关系，改变宏块的编码顺序，使复杂的宏块分配到更多的比特数，显然能大大提高编码效率。 |
