| 1. | The catching time of pn code for ds - cdma 伪随机码的捕捉时间 |
| 2. | Pseudon - random code of direct - sequence spread - spectrum commnunication system 直接系列扩频通信中的伪随机码 |
| 3. | Algorithm and design for pseudo - random sequence ultrasonic spread spectrum distance measurement system 伪随机码超声扩频测距系统设计与算法 |
| 4. | Choice and implement of pn sequence in spread spectrum communication system in asic chip ' s development 扩频通信芯片开发中伪随机码的选择及实现 |
| 5. | We propose a new method of calculating the best threshold according to the characteristic of pn ( pseudo noise ) code 根据伪随机码的特性,提出了一种新的求取最佳检测门限的方法。 |
| 6. | Generally , in the cdma ( code divide multiple access ) communication system , we take the m and gold sequences as the pn ( pseudonoise ) code 在cdma (码分多址)通信系统中,通常所用的伪随机码为传统的m序列, gold码等。 |
| 7. | In chapter 5 the jamming such as phase modulation noise , binary pseudo random sequence and multiple pseudo targets are discussed 第五章对雷达干扰进行了阐述,主要的干扰信号有连续噪声调相干扰、伪随机码噪声干扰、多假目标干扰。 |
| 8. | ( 2 ) for the cepstrum - based pn period estimation under very low snr ( < ? 10db ) , a refined cepstrum algorithm is proposed which performs better 计算机仿真表明在低信噪比情况下( snr ? 10db ) ,可以对伪随机码周期有一个精确的估计。 |
| 9. | As a result , pseudorandom code acquisition and tracking , carrier recovering , error correction and decoding functions are needed in the if digital receiver 因此,其中频数字接收机需要完成伪随机码捕获跟踪、载波恢复、纠错译码等功能。 |
| 10. | This scheme can also adapt ds / dmpsk modulation and demodulation with different base data rate , different pseudo random codes and different intermediate frequency 该方案可以适应不同基带数据速率、不同伪随机码和不同中频的ds / dmpsk的调制和解调。 |