| 1. | Optimal jamming of fh synchronous signals
跳频同步信号的最佳干扰 |
| 2. | Measuring source selected from ch1 or ch2 as synchronous signal sources
测量感度：大于2格量测源选择来自ch1或ch2之同步信号 |
| 3. | The synchronous signal of mc1311 cmos camera is shaped by monostable trigger 74ls221
使用单稳态触发器74ls221对送给mc1311cmos摄像机的同步信号进行整形。 |
| 4. | Single arm7 couldn ’ t supply synchronous signals , so test system was developed with cpld and arm7
使用单一的arm7系统不能设计出完全同步的信号,所以采用cpld和arm7系统共同完成测试工作。 |
| 5. | And the 1pps of the gps receiver is used as the synchronous signal and reference to ensure that the messured phasor of generator is the same reference
采用gps的秒脉冲作为同步参考基准，从而保证了所测的各发电机的相角具有相同的参考基准。 |
| 6. | Digital signal processor ( dsp ) was used as the microcontroller of the daq card , and synchronous a / d converters were used to collect synchronous signals
该数据采集卡以数字信号处理器( dsp )为主控制器，结合同步模数转换器( adc )实现了多通道同步采集的功能。 |
| 7. | The fault diagnosis system includes four parts : sampling and insulation of the synchronous signal , sampling of the voltage waveform of the rectifier , logic pre - processing and dft analysis , display and alarm circuit
故障诊断系统主要包括同步信号的取样与隔离、整流电压的采样、逻辑预处理及dft分析，诊断显示报警电路等四部分。 |
| 8. | Meanwhile , a synchronous signal is generated to be the start signal of the high speed snapshot . in this case , the effective length of the film is increased enormously , which means that the resolution of the camera may be improved at the same rotating speed
而且在测速的同时产生了一个高精度的同步信号作为高速摄影的触发信号源,使得用于记录信息的胶片的有效使用长度得到了很大的提高,这就意味着转镜相机的时间分辨率在相同的转速下得到了提高。 |
| 9. | The second , the main work in the paper is discussed . they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision , at 10 - 12 second level , for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data
本文从计算机视频电磁泄漏和数字滤波器两方面的基本理论出发，详细论述了计算机视频信息电磁泄漏的原理及特点，指出视频泄漏信息的频谱是以行频为周期的谱线；分析了重加滤波器和梳状滤波器的性能；分析了视频泄漏信息截获的条件；推导出稳定截获视频泄漏信息需要对同步信号的精度控制在皮秒级；论述了清晰再现对接收机和数据采集卡的技术要求。 |
| 10. | The input data of the multiplexing adopts 8 channels with the speed of 2mb / s , and those of the last two channels are " 0 " and " 1 " respectively , in order to improve the transimision effeciency and deminish the complexity of encode and electronic circuit concerned , furthermore , it makes the synchronous signal acquisition more easier
数字复接中采用八路2m口数据输入，其中后两路采用直接输入“ 0 ”码或“ 1 ”码的方法，提高了信息传输的有效性，便于提取帧同步码，降低了编译码过程的复杂性，同时也降低了系统的电路复杂程度。 |
