| 1. | Disculpame me equivoque de numero de mensaje 对不起,我弄错了短信号码! |
| 2. | Three letter signal code 三字母信号码 |
| 3. | Position signal code 位置信号码 |
| 4. | The number of discrete signal elements that can be transmitted in a given modulation scheme 在给定调制电路中能被传送的离散信号码元数。 |
| 5. | There are random long successive " 0 " or " 1 " in the stream of signal , which are not fit for the transmition of the optical channel 在信号码流中存在随机的长连的“ 0 ”或“ 1 ” ,不适合在光纤信道中传输。 |
| 6. | By the eye diagram pattern , we have researched the ideal channel ' s respond - nyquist pulse , and have got its eye diagram model . based on this , a type of base - band codes called ijf codes have been derived 并由此导出一种没有码间干扰和定时抖动的基带信号码型,称为ijf ( intersymbol - interferenceandjirterfree )信码。 |
| 7. | The wavelet transform is discussed in the code - width estimation ; and the feasibility and effectiveness of the code - width estimation using the spectrum of the bipolar base - band signal are proved 在参数估计中,主要讨论了小波变换算法在基带信号码元宽度估计中的应用以及利用双极性基带信号的频谱估计码元宽度的可行性和有效性。 |
| 8. | We have designed a new type of ijf code to reduce the envelope fluctuation , and have also got the reduced envelope fluctuation ijf - oqpsk . it has faster roll off of the power spectrum and lower energy of band out 本文设计了一种能够抑制包络起伏型的ijf信号码型,并相应地得到了抑制包络起伏型的ijf ? oqpsk ,它具有更快的功率谱滚降特性和更好的相位路径。 |
| 9. | The system adopts an advanced specific speech compression chip based on ambe algorithm . it can achieve high compression rate at 4 kb / s . the system first performs a / d conversion on analog speech input to obtain pcm signal and the pcm signal was encoded by the main compression chip 它采用了比较先进的基于ambe算法的专用语音压缩编/解码芯片,压缩率高,可以将数字语音信号码率压缩至4kb / s ,且编码速率可通过修改控制程序选择。 |
| 10. | The performance targets of acquisition and tracking : the code rate of pseudorandom signals is 1m - 5mhz , the code length is 255 . 511 , the receiving sensitivity is - 118dbm , the dynamic range is 70db . the doppler of carrier is 75khz , the time that 10 targets are captured within 0 . 2s 捕获和跟踪的性能指标:伪随机信号码率1m 5m比特/秒,码长是255 、 511 ,接收灵敏度是- 118db ,信号动态范围是70db载波普勒是75khz ,目标捕获在0 . 2秒内。 |