Revoke the registration of the object currently found under this key in the internally - maintained table of contextual object parameters , if any such key is currently registered 撤消当前在此项（它位于内部维护的上下文对象参数表中）下面找到的对象的注册（如果当前注册了任何此类项的话） 。
Refer to individual performance table envelope . do not run continuously at the performance table boundaries , run only for a short period of time at boundary conditions 根据每种压缩机的性能参数表，在性能参数表中的边界条件工况下，在压缩机仅能短时间运行，不得连续运行，不得连续运行，以免损坏压缩机。
Abstract : a great deal test data is obtained by scientific and systematicsimulation technics examination . the table and database of operating parameter of mould ecm is established 文摘:通过系统、科学的模拟工艺试验，获取了大量试验数据，建立了模具电解加工工艺参数表，并进一步创建了模具电解加工工艺参数数据库。
Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core . the speech codec optimizes g . 729a codes and added voice activity detection of g . 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information . but only get the frequency information is not enough in cpt detector , this thesis introduces a method 其中对语音编解码器的设计采用优化g . 729a代码达到设计要求,并在此基础上加入g . 729b的静音检测模块,以进一步降低网络传输带宽;对回声消除器的设计采用nlms算法,通过设计自适应fir滤波器和语音检测器达到回声消除目的;对双音多频设计,信号发生端采用构造静态参数表并通过二阶正弦振荡器产生信号,信号检测端提取频率信息以检测信号;对呼叫进程音设计,除了类似双音多频的信号发生及频率检测设计外,还需要检测信号持续时间,作者设计了一种基于匹配状态表的方法以检测信号持续时间。
This thesis tries to update the cmdsr system to achieve the characters below : real - time , better robust , higher recognition rate , non - special - man . considering the disadvantages of traditional improved spectrum subtraction speech enhancement , this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal , the thesis gives the table of initial and the improved parameters , with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system , the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ) , the second level is based on formant parameters ; as for the realization of hardware , the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software , the thesis gives the software design flow chart of cmdsr , simulates the basic theory with matlab language and gives the simulation results 针对传统的“改进谱相减法语音增强”参数设定单一、环境适应能力差的缺点,提出了一种利用模糊理论和“改进的谱相减法”结合的“模糊谱相减法语音增强” ;针对语音信号端点检测困难的特点,通过matlab仿真试验,给出了能够准确确定数码语音端点的初始和改进参数表;提出了利用基于线性预测编码倒谱参数和差分线性预测编码倒谱参数相结合的离散隐含马尔可夫模型进行第一级识别、利用共振峰参数进行第二级识别的两级汉语数码语音识别系统,在保证系统实时性的同时,实现连接汉语数码语音识别系统识别率的提高;在硬件实现上,详细阐述了基于tms320vc5402的连接汉语数码语音识别系统各部分硬件设计;在软件开发上,给出了连接汉语数码语音识别的软件设计各部分的流程图,并对各部分进行了matlab仿真,并给出了仿真结果。
Based on the statistics and analysis of the accumulated experiment data in designing the mixing proportion of middle and small - sized concrete projects in west region of guanzhong plain , 3 groups of related diagrams and 5 groups of empirical formulas have been established , as well as a parameter table suitable for this region to select the concrete mixing proportion and a table of the mortar mixing proportion have been compiled . the quality of raw meterials and the characters of concrete in this region are also analyzed in the paper 对关中西部地区各类中、小型砼工程中，配合比设计所积累的实验资料进行了统计分析，建立了3种关系曲线图和5组经验公式，编制出了适用于该地区选择砼配合比的参数表和砂浆配合比表，并对该地区原材料的质量状况和砼的性能特点，进行了必要的分析。
