摘要：【中文】本发明涉及一种混凝土预制桩的机械连接装置及制作方法，包括桩体轴向连接单元，桩体轴向连接单元包括多组相互配合的第一套筒螺母和第二套筒螺母，每一组的第一套筒螺母和第二套筒螺母分别和两个桩体的轴向端面相连，第一套筒螺母和第二套筒螺母之间经连接插杆构成相互连接状态；第一套筒螺母和第二套筒螺母深入桩体内部的一侧分别设置沉孔，沉孔位置和预应力钢筋的镦头相配合。本发明采用增加辅助套箍灌浆连接方式，将桩端接头处的抗弯抗拉抗剪受力载荷均匀分配到桩体径向连接单元上，从而避免了桩头机械连接装置因抗剪抗弯抗拉负载能力不足而导致桩接头开裂现象，大大提高了混凝土预制桩接头处的连接质量和效果。 【EN】The invention relates to a mechanical connecting device of a concrete precast pile and a manufacturing method thereof, and the mechanical connecting device comprises a pile body axial connecting unit, wherein the pile body axial connecting unit comprises a plurality of groups of mutually matched first sleeve nuts and second sleeve nuts; and counterbores are respectively arranged on one sides of the first sleeve nut and the second sleeve nut, which penetrate into the pile body, and the positions of the counterbores are matched with the upset heads of the prestressed reinforcements. The invention adopts the grouting connection mode of adding the auxiliary hoop to uniformly distribute the bending resistance, tensile resistance and shearing resistance stress load at the joint of the pile end to the radial connection unit of the pile body, thereby avoiding the cracking phenomenon of the pile joint caused by the insufficient shearing resistance, bending resistance and tensile load capacity of the mechanical connection device of the pile head and greatly improving the connection quality and effect at the joint of the concrete precast pile.

摘要：【中文】本发明公开了一种实时音频信号一致性对比检测方法，其包括以下步骤：S01、对源音频信号和对比音频信号进行预处理；S02、对预处理后的源音频信号和对比音频信号进行指纹提取；S03、依据提取的指纹计算源音频信号和对比音频信号的一致性。本方案根据峰值间时间差来计算指纹特征，可以对较低信噪比信号进行对比检测，适用于广播、电视等音频信号对比环境。 【EN】The invention discloses a real-time audio signal consistency comparison detection method, which comprises the following steps: s01, preprocessing the source audio signal and the comparison audio signal; s02, fingerprint extraction is carried out on the preprocessed source audio signal and the comparison audio signal; and S03, calculating the consistency of the source audio signal and the comparison audio signal according to the extracted fingerprints. According to the scheme, the fingerprint characteristics are calculated according to the time difference between the peak values, the comparison detection can be carried out on the signals with lower signal-to-noise ratios, and the method and the device are suitable for audio signal comparison environments such as broadcasting and television.

摘要：【中文】本发明公开了一种基于机器深度学习的广播总控故障趋势预判方法，其包括以下步骤：S01、收集总控故障日志信息数据并进行预处理，预处理以后的数据作为总控故障数据集，将总控故障数据集拆分为训练集、开发集和测试集三部分；S02、建立基于机器学习的线性回归模型；S03、输入训练集和开发集进行训练，生成故障预测模型；S04、对故障预测模型进行优化，得到最优故障预测模型；S05、发布最优故障预测模型，生产环境进行预测使用。生产环境使用最优故障预测模型预测未来一定时间内总控故障趋势走向，当故障发生概率超过阈值时，进行检修维护，从而降低故障发生率。本方案适用于广播、电视等领域。 【EN】The invention discloses a broadcast master control fault trend prejudging method based on machine deep learning, which comprises the following steps of: s01, collecting master control fault log information data and preprocessing the master control fault log information data, taking the preprocessed data as a master control fault data set, and dividing the master control fault data set into a training set, a development set and a test set; s02, establishing a linear regression model based on machine learning; s03, inputting a training set and a development set for training to generate a fault prediction model; s04, optimizing the fault prediction model to obtain an optimal fault prediction model; and S05, issuing an optimal fault prediction model, and predicting the production environment for use. The production environment uses the optimal fault prediction model to predict the trend of the master control fault in a certain time in the future, and when the fault occurrence probability exceeds a threshold value, maintenance is carried out, so that the fault occurrence rate is reduced. The scheme is suitable for the fields of broadcasting, television and the like.

摘要：【中文】本发明公开了一种音频信号字符串匹配方法，其包括以下步骤：S1、将第一音频信号数据存储到字符串A中；S2、将第二音频信号数据存储到字符串B中；S3、计算字符串B的next数组；S4、对字符串A和字符串B进行匹配。本方案针对音频信号是个正负区间值来回变换的特征进行对比匹配，计算量小，对硬件要求低，便于轻量化推广，适用于广播、电视、电影等领域。 【EN】The invention discloses an audio signal character string matching method, which comprises the following steps: s1, storing the first audio signal data into the character string A; s2, storing the second audio signal data into the character string B; s3, calculating a next array of the character string B; and S4, matching the character string A and the character string B. The scheme aims at the characteristic that the audio signal is subjected to back-and-forth transformation of positive and negative interval values, is used for comparison and matching, has small calculated amount and low requirement on hardware, is convenient for lightweight popularization, and is suitable for the fields of broadcasting, television, films and the like.

摘要：【中文】发明人提供了一种纬编三明治摇粒绒坯布及其布料的生产方法，所述纬编三明治摇粒绒坯布包括上表面、中间层和下表面；所述纬编三明治摇粒绒坯布采用纬编双面提花机8针路循环织造得到；所述纬编双面提花机的针盘和针筒均采用12121212的排针方式；其中，三角配置如下：∪∨───∨────∨─∪─∨────∧∩──∧∩──∧───∧；其中，第3、7路纱线的D值大于第2、6路纱线的D值。区别于现有技术，上述技术方案在摇粒绒坯布上表面形成间隔设置的粗纱线织造的起毛区域和细纱线织造的不起毛区域。该结构在起毛后，可以使得摇粒绒布料整体更加蓬松、绒感强，保暖性好，织物布身较厚，使用寿命可以增加。 【EN】The invention provides a weft-knitted sandwich fleece grey fabric and a production method of the fabric, wherein the weft-knitted sandwich fleece grey fabric comprises an upper surface, a middle layer and a lower surface, the weft-knitted sandwich fleece grey fabric is circularly woven by 8 stitches of a weft-knitted double-faced jacquard, a needle plate and a needle cylinder of the weft-knitted double-faced jacquard adopt a 12121212 needle-arranging mode, a triangle is configured as ∪ V-type- ∪ V-type- ∩ -type A-type ∩ -type A-type-A-type-A, wherein the D value of the 3 rd and 7 th stitches is larger than that of the 2 nd and 6 th stitches, the weaving structure is different from the prior art, the weaving structure of the fluffed regions and the fine stitches of the coarse stitches which are arranged at intervals on the upper surface of the weft-knitted sandwich fleece grey fabric can increase the overall use life of the fleece grey fabric, and the use of the thermal insulation fabric can be more prolonged.