| 1. | 3 . chip rate estimation theory of dm method is studied
3 .研究了传统延迟相乘法码速率估计原理。 |
| 2. | Design of digital spread spectrum receiver ofa high dynamic and high pn code rate
高动态高码速率全数字化解扩接收机的设计 |
| 3. | To enhance the system reliability , the sample frequency of the digital correlator is four times as much as that of the pn code
为了增加系统工作的可靠性，本系统采用4倍于伪码速率的采样频率。 |
| 4. | Nowadays , the realization of high - code - rate property and miniaturization are the main task of developing pcm transmitter
根据目前我们的实际水平， pcm发射机的高码速率数据传输和小型化的实现是目前pcm发射机发展的主导方向。 |
| 5. | When transmitting signal is below 500 kbps , increasing the system power can reduce the bit error rate ( ber ) for the signal suffering only flat fading
当码速率较低时( 500kbps以下) ,信号受到平坦衰落,增大系统功率可以降低系统误码率。 |
| 6. | After the resource and decoding speed are optimized , the work clock can be achieved at 50mhz , and serial decoding speed is high to 2 . 4mbps
对所用资源和译码的速度进行了优化,使整个系统的工作时钟可以达到50mhz ,串行的码速率可以达到2 . 4mbps 。 |
| 7. | Compared with the other digital cordless telecommunication technique phs and pacs , dect has the character of high code velocity and flexible frame structure
它与另外两种同时期的无绳通信技术phs和pacs相比，具有码速率高、帧结构灵活的显著优点。 |
| 8. | This algorithm firstly calculates the average power serial , and then finishes the detection of pn code rate through the analysis of frequency spectrum and smooth processing
该算法首先计算序列的平均功率，然后对其进行谱分析并作平滑处理而完成伪码速率的判定。 |
| 9. | The theory research on the detection and estimation chip rate and period of pn sequence in low signal to noise ratios ( snr ) are accomplished in order to put it into realization
本文以工程应用为目的,对低信噪比情况下直扩信号的检测和pn码速率和码周期估计进行了理论研究。 |
| 10. | But when the bit rate is above 1 mbps , the signal suffers frequency select fading , which causes the serious intersymbol interference ( isi ) . increasing the system power can ’ t reduce the ber
但是当码速率提高到1mbps以上时,信号受到频率选择性衰落,码间干扰严重,增大系统功率也不能降低系统误码率。 |
