English translation for "crb"
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- biological]化学
调研局
化学,辐射和生物
商品价格指数
研究局期货价格指数
Related Translations:
- Example Sentences:
| 1. | The crb should determine whether the organization has established the necessary procedures and has fully evaluated its compliance with each of the applicable regulatory requirements
认证机构应判定组织是否已建立了必要的程序，而且组织是否已并充分地评价了与对每一条适用法律的法规要求的符合性。 | | 2. | Crb assessment teams should have sufficient knowledge of the applicable legal requirements that are relevant for the location and environmental aspects of the organization so as to identify significant omissions from their client ' s identified legal requirements
认证机构的审核组应具备充足的、与组织所处区域和环境因素状况相关的适用法律要求的充分知识，以便发现从他们客户已识别出的在法律法规要求识别中发现那些的重大遗漏。 | | 3. | In the event that certain specific data or other information related to legal or regulatory compliance are not made available to the crb for review because of an assertion of legal privilege or their proprietary nature , certification should not be granted , or should not continue , unless the crb can obtain demonstration by objective evidence that the full system requirements relating to legal compliance , covering the applicable section of the standard , have been effectively implemented by sufficiently documented and verifiable means
如果组织因信息的法律授权或者权属问题，不能向认证机构提供评价所需的与法律法规符合性相关的特定证据或信息，则认证机构不应授予其证书，或者中止审核；除非组织能够向认证机构提供客观证据，表明组织已通过充分的、文件化的、可验证的方式有效地执行了与法律符合性相根据标准适用章节要求所规定的有关合规守法性的全部体系要求，覆盖了标准适用的部分。 | | 4. | Based on the method , this dissertation deals with several kinds of signals including cosine wave ( cw ) , linear frequency modulated ( lfm ) and multi - component signal , furthermore the systematic comparison of estimation effect among cwt and several other usual methods as well cramer - rao bound ( crb ) is given
基于上述方法，文中分别对单频矩形脉冲信号、线性调频脉冲信号以及多分量信号进行了瞬时频率估计，并与其他几种常用瞬时频率估计方法的性能以及crb进行了系统比较。 | | 5. | From the result we get the following conclusion : for narrow - band signal , the effect of the method based on fft is best . for wide - band signal , when snr is up to certain degree ( higher than - 7db or so ) , the curves of square error of modified methods are more obvious and closer to crb . for an echo composed of more than one frequency or direction , space - frequency distribution could show more direct information of frequency and direction , which is more advantaged to make precise judge and estimation for doa of echo
从估计结果发现，对于窄带回波信号，基于fft的方法估计性能大大优于其他方法；对于宽带回波信号，在信噪比达到一定程度(高于约- 7db )时，补偿后的几种估计法的性能改善均比较明显，误差曲线越来越接近crb曲线；对于回波中存在多频率多方位的情况，空间?频率分布图能提供较为直观的频率及方位信息，因此应用空间?频率估计法来进行方位估计，更有利于进一步对回波的具体方位进行准确判断和估计。 | | 6. | During the instantaneous frequency estimation of lfm , there exists some error in the edge , so in the dissertation , a fitting method is proposed to modify it . from the computer simulation , the following result is obtained : for cw , the method based on cwt is most effective , and with the snr rising , the error curve of it is more and more closer to crb . for lfm , the method based on wvd gives the best result , and the effects of cwt and stft are similar for multi - component signal , compared to stft and wvd , cwt is a better choice
通过仿真发现，在单频回波的瞬时频率估计中，基于cwt的方法最为有效，随着信噪比的提高，其均方误差曲线越来越接近克拉美?罗界；在线性调频回波的瞬时频率估计中， wvd法得到的效果最好，而cwt与stft法的估计效果比较接近；在多分量信号的瞬时频率估计中，相对于stft和wvd法， cwt法是一个更好的选择。 | | 7. | At first some modification is made in conventional beam forming of frequency domain , namely to estimate doa by arrays outputs on compensated spacial frequency points of echoes . then the cwt is utilized to signal processing in space - frequency domain for estimation of doa , and the corresponding modification is also made . in the dissertation , the computer simulations of doa estimation for both narrow - band and wide - band echoes are given , so do the necessary comparison among several methods and crb
首先在传统的频域波束形成算法的基础上，提出对宽带信号的频率补偿，也即对宽带回波信号的各空间频率根据时间频率的差异进行相应补偿，然后对各阵元输出求和来得到方位估计；其次将连续小波变换引入到空间?频率处理中，从而完成对目标方位的估计，并进行了相应地补偿。 | | 8. | 4 ) a uniform crb expression of bearing estimation for spatially distributed sources in unknown noise environments is derived . more exactly , the crb performance of bearing estimation for spatially distributed sources in several typical spatially - correlated noises is evaluated theoretically and numerically , respectively . it is disclosed that the estimated errors mainly depend on space ambiguity between signal and noise components
4 )推导了未知噪声环境中空间分布源波达方向估计的统一的crb表达式，分析了几种典型的空间色噪声情况下分布源波达方向估计的极限性能，揭示了信号分量和噪声分量之间的空间混叠对分布源波达方向估计的决定性作用。 |
- Similar Words：
- "crazysplit" English translation, "crazysplitter" English translation, "crazytalk" English translation, "crazytown = funhouse theme" English translation, "crazyweed" English translation, "crb channel request block" English translation, "crb command request block" English translation, "crb complementary return to bias" English translation, "crb council on research in bibliography" English translation, "crb-870cs" English translation
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