| 1. | The g . 726 speech coding algorithm involves adaptive linear prediction to eliminate the correlation of signal waveform , so as to reduce the resulting bit rate
G . 726建议采用自适应预测编码,以消除波形信号的相关性,从而降低语音信号表达的比特率。 |
| 2. | But those universal equipment may not be fit for all particular users . a data acquisition system , which is used to sample instantaneous signal waveform is discussed in this thesis
市场上的数据采集装置一般是基于pci和isa总线的，这占用系统的硬件资源并且拆卸也不方便，给使用带来麻烦。 |
| 3. | It produces the i and q signals , limits their pass bands , uses them to modulate the subcarrier in a quadrature and adds the moduled subcarrier to the luminance y , blanking and synchronizing signal waveform
它首先分离出i信号和q信号，指定了它们的传输频带，并用它们对副载波进行正交调制，然后将调制过的副载波信号叠加到亮度信号y和同步信号波形上。 |
| 4. | In chapter 5 , constant modulus algorithm ( cma ) is a well - known blind adaptive beamforming method as it requires no pre - knowledge about the signal except that the transmitted signal waveform has a constant envelope
在实际的无线环境中，随着用户的激增，通信环境日趋恶劣，这就要求波束形成算法在强干扰的环境中，仍然能够快速而准确的收敛于期望信号。 |
| 5. | Because these methods do not need not only the doa of the signal ' s and the array manifold but also signal waveform , the blind beamforming algorithms using cyclostationarity signal ' s properties are the genuine blind algorithms
该方法既不需要知道来波方向和阵列流形，也不需要提供训练数据，仅利用信号的循环平稳特性就可以实现真正意义上的盲自适应波束形成。 |
| 6. | There are many kinds of data acquisition devices for general usage . but those universal equipment may not be fit all particular users . a data acquisition system , which is used to sample instantaneous signal waveform is discussed in this thesis
对于一般的数据采集任务有通用的数据采集系统可供选用，但是考虑到数据源以及用户需求的多样性，目前通用的采集设备不会总能满足所有要求。 |
| 7. | The test results show that different patterns of pd correspond to different demodulating signal waveforms , the pd phase angle in ac , and spectrum characteristics . therefore the pd patterns can be recognized by the uhf characters of different pd signals in gis
试验结果表明，不同缺陷类型的局部放电在其检波信号波形、局部放电工频相位分布和超高频频谱特征是有所不同的，可以依据这些特征对gis内的局部放电类型进行识别。 |
| 8. | This dissertation is the expanding of the military project of ‘ 95 ’ advance research , a novel multi - modulation technique designing radar signal waveform is introduced on the links with the project of the national natural science fundation of china ( nsfc ) , named " produce and process the multi - modulation signal of the sensor with strong detectability and identifiability " . based on the analysis of the equal - probability - distributing fsk / psk multi - modulation signal , we construct a new pseudo - random fsk / psk multi - modulation signal and we design and simulink on the computer the partly - matched processing signal of this signal . the purpose of the design is to construct a processing signal to combine with the pseudo - random fsk / psk multi - modulation signal , so that we could get a strong response of the target
本论文是‘九五’军事预研项目“低截获概率雷达波形研究”的扩展与深入，同时结合国家自然科学基金项目“强探测强识别传感器新型复合调制信号产生及处理”展开。在分析等概率分布的fsk / psk复合调制信号的基础上，构造了一种新的伪随机fsk / psk复合调制信号及其非完全匹配处理的设计及仿真。设计的目的是能对伪随机fsk / psk复合调制信号进行处理的处理信号，以期获得对所探测目标信息的强探测。 |
| 9. | The research and development of the automobile intelligence detection system aims at the intellectualized examination of automobile breakdowns , while the basics of modern automobile breakdown diagnosis line in the test of auto sensors . from the standpoint of practical application , this article compares and analyzes the types of electronic signal waveforms and their characteristics showed by modern check - out
汽车智能检测系统的研究与开发工作,根据所提出的总体框架和思路,分别从数据采集系统(硬件、软件) 、关键技术及处理、计算机测试软件开发、智能检测系统的仿真等方面进行了研究与探索,并对汽车故障智能化检测系统的测试电路进行了软件设计。 |
