查询词典 feed back

Animal's welfare can be feed back from their vocalism. We had some experiments to get 35 days old chicken's vocalization in different environment, including normal environment、 light off environment and people's disturbing environment. On the base of Mel Frequency Cepstral Coefficient, We introduction a new algorithm for feature extraction---Subband Mel Spectrum Centroid. We used support vector machine classification model to evaluate the performance of using different sound parameters.

本文通过研究35日龄海兰褐蛋鸡在正常状态、光照与人为干扰等应激下发声信息的变化特征，提出基于子带梅尔频谱质心的优化特征参数，并通过建立支持向量机模型，比较了采用优化特征参数与梅尔频标倒谱系数及其一阶、二阶导数组成的特征参数（MFCC_39）在识别不同应激中的应用效果。

Objective To introduce a new intelligent stomach syringe based on PC, which can deal with the stop of waste pipe automatically and feed back to the control of water speed.

目的：设计基于微机的具有污水管路堵塞自动处理、反馈控制水流冲洗等功能的智能化洗胃机。

In precision controlling, the closed loop negative feed back technology is used, and the circumrotation corner velocity ω of water pump is adjusted by examining the range of spraying irrigation , and the hydraulic pressure is adjusted, then accurate jet radii r is obtained finally.

为了实现喷灌精度的控制，采用了负反馈闭环控制技术，通过对喷射距离L检测来调节水泵转速ω以改变水压Pi最终获得较精确的喷射半径ri或喷灌域。

To suppress the load vibration inharmonic drive system and enhance the trajectory tracking accuracy,a kind of feed back control method of acceleration sensor is presented here.

但谐波减速器的柔性、非线性摩擦、随速度波动、低阻尼等因素会给负载端带来振动，导致工作端的轨迹跟踪精度不高。

Differing from the feed-back error compensation method, the selflearning error pre-compensation method offered by the paper is based on both ANN and time series technique to obtain the error pre-compensating curve using the non-linear ANN pre-compensation model. Because of the self-learning character of the ANN, this new type of precompensation model can be self-adjusted.

与常规的反馈补偿方法不同，本文提出的自学习误差预测补偿方法，将时间序列预测与神经网络的自学习自适应优化建模技术相结合，利用神经网络非线性预测模型产生误差预补偿函数，并利用神经网络的自学习特性对所建预测模型进行修正，所以这种新型的误差补偿方法能够获得更高的误差补偿精度和控制速度，简单实用，适于推广，具有生产应用价值。

The results indicate that the decreased expression of TGF-β, TGF-β R2 play the negative feed back role in repopulation of mouse jejunum after irradiation.

TGF-β、TGF-β R1和TGF-β R2在小鼠小肠上皮细胞受照射后的再增殖过程中可能起着负反馈的调节作用。

The last but not the least is that the paper accumulates modeling experience which is helpful to the study of intelligent control of water treatment system.lt is a stepstone to deepen the research on consequent feed-back control on-line of the oxidation ditch system .

本论文同时为水处理系统智能化反馈控制研究积累了经验，以此为基础仍以ANNs为数学工具可进一步展开氧化沟系统的后续反馈控制研究。

So it always act as execute component in position control system and wide speed change system. It also fit in situation where need high torque, low speed, or speed change and feed back, or a situation need tensive.

因此，它特别适合于在位置控制系统和宽调速系统中作执行元件，也适用于需要大转矩、低速、转速调节、转速反馈和需要一定张力的场合。

After the release of the Sabah DAP statement, feed back came from the ground was overwhelming to support the friendly advice by the DAPs to Datuk Pairin.

当沙巴民主行动党发表该项善意的建议，获得许多民众的热烈支持该党对百林的善意建议。

The realization of the government responsibility in the distribution of public land is intermediated by public land. The government takes public opinion into consideration and citizens feed back their wills. This is a double side feedback process.

公共用地配置中政府责任的实现过程是以公共用地为媒介，政府吸收民情，公民反馈民意的双向投射回馈过程。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。