摘要：【中文】本发明公开了一种深海水下平台中继通讯浮标装置，是一种深远海水下平台和陆基站点之间信息交换的一种无线、无缆中继节点。该装置包括：尾罩、外壳、天线护罩、天线杆、耐压舱端盖、耐压舱筒体、水下通讯机、电源、控制中心、卫星主机、深度传感器以及卫星天线。中继通讯浮标装置由水下平台携带，在被水下平台释放之后，中继通讯浮标装置浮出水面。水下平台的交互数据通过水声通讯技术传输给中继通讯浮标装置，控制中心将水下平台的交互数据经由卫星天线发送给卫星，并进一步发送给陆基站点。陆基站点的交互数据发送给卫星，由中继通讯浮标装置的卫星天线接收，并经控制中心以及水下通讯机，最后通过水声通讯技术发送给水下平台。 【EN】The invention discloses a relay communication buoy device of a deep sea underwater platform, which is a wireless and cable-free relay node for information exchange between the deep and remote sea underwater platform and a land-based station. The device includes: the device comprises a tail cover, a shell, an antenna shield, an antenna rod, a pressure-resistant cabin end cover, a pressure-resistant cabin barrel, an underwater communication machine, a power supply, a control center, a satellite host, a depth sensor and a satellite antenna. The relay communication buoy device is carried by the underwater platform and floats out of the water surface after being released by the underwater platform. The interactive data of the underwater platform are transmitted to the relay communication buoy device through an underwater acoustic communication technology, and the control center sends the interactive data of the underwater platform to a satellite through a satellite antenna and further sends the interactive data to a land-based station. The interactive data of the ground-based station is sent to a satellite, received by a satellite antenna of the relay communication buoy device, and finally sent to an underwater platform through an underwater acoustic communication technology through a control center and an underwater communication machine.

摘要：【中文】本发明公开了一种磁屏蔽装置主动消磁方法，按照磁屏蔽装置的两个取向方向绕制消磁线圈产生闭合磁场，利用消磁电源产生幅值逐渐减小的交流振荡电流，使消磁线圈在取向方向上产生交流振荡磁场，并沿闭合的循环取向流动，进而消磁。本发明能够解决磁屏蔽装置被磁化的问题。 【EN】The invention discloses an active degaussing method for a magnetic shielding device, wherein a degaussing coil is wound in two orientation directions of the magnetic shielding device to generate a closed magnetic field, and a degaussing power supply is utilized to generate alternating current oscillation current with gradually reduced amplitude, so that the degaussing coil generates an alternating current oscillation magnetic field in the orientation direction and flows along the closed circulation orientation to further degausse. The invention can solve the problem that the magnetic shielding device is magnetized.

摘要：【中文】本发明涉及有缆探测作业技术领域，具体涉及一种绞车拖缆的牵引装置。一种主动牵引装置，其技术方案是：主动牵引装置设置在绞车收/放拖缆的一端，绞车的拖缆从主动牵引装置中穿过；当绞车放缆时，绞车卷筒的放缆线速度小于主动牵引装置放缆线速度，且主动牵引装置对拖缆产生向外拉的作用力；当绞车收缆时，绞车卷筒的收缆线速度大于主动牵引装置收缆线速度，且主动牵引装置对拖缆产生向内拉的作用力。本发明可以保证水上或者水下绞车在收/放缆过程中，绞车端的缆始终处于张紧状态，从而保证绞车上缆的有序排列。 【EN】The invention relates to the technical field of cabled detection operation, in particular to a traction device of a winch towing cable. An active traction device, which adopts the technical scheme that: the active traction device is arranged at one end of a winch cable retracting/releasing device, and the winch cable penetrates through the active traction device; when the winch is used for releasing the cable, the cable releasing linear speed of the winch drum is smaller than the cable releasing linear speed of the active traction device, and the active traction device generates an outward pulling acting force on the towing cable; when the winch is used for reeling cables, the cable reeling linear speed of the winch drum is greater than the cable reeling linear speed of the active traction device, and the active traction device generates inward pulling acting force on the towing cables. The invention can ensure that the cable at the winch end is always in a tensioning state in the process of reeling/unreeling the cable of the winch on water or underwater, thereby ensuring the orderly arrangement of the cable on the winch.

摘要：【中文】本发明公开了一种矢量水听器线谱自动检测与判决方法，涉及水声信号处理与信号检测技术领域，是能够通过幅度与方位的变化判断运动目标的存在，有效发挥水下目标线谱检测的应有效果，其检测技术可靠、虚警率低。本发明的技术方案包括如下步骤：获取矢量水听器接收的每一帧矢量数据，求解每一帧数量数据的平均声强谱，采用斜率门限与峰高门限从平均声强谱中提取线谱，线谱由线谱频率组成。从第2帧矢量数据开始，将每一帧矢量数据的线谱频率与之前帧矢量数据的线谱频率相比较，其中满足多普勒容限的线谱频率归为同一目标的线谱。对属于同一目标的线谱频率进行比较判断，若存在正向幅度变化以及单调方位变化，则判断目标存在，发出报警信号。 【EN】The invention discloses a method for automatically detecting and judging a line spectrum of a vector hydrophone, relates to the technical field of underwater acoustic signal processing and signal detection, can judge the existence of a moving target through the change of amplitude and direction, effectively exerts the due effect of line spectrum detection of the underwater target, and has reliable detection technology and low false alarm rate. The technical scheme of the invention comprises the following steps: acquiring each frame of vector data received by the vector hydrophone, solving an average sound intensity spectrum of each frame of data, and extracting a line spectrum from the average sound intensity spectrum by adopting a slope threshold and a peak height threshold, wherein the line spectrum consists of line spectrum frequencies. Starting from the 2 nd frame vector data, the line spectrum frequency of each frame vector data is compared with the line spectrum frequency of the previous frame vector data, wherein the line spectrum frequencies satisfying the Doppler tolerance are classified as the line spectrum of the same target. And comparing and judging the line spectrum frequencies belonging to the same target, if the forward amplitude change and the monotone azimuth change exist, judging that the target exists, and sending an alarm signal.

摘要：【中文】本发明公开了一种垂直阵声压梯度波束形成与信号检测方法，涉及水声阵列处理与目标探测技术领域，本发明采用声压梯度波束形成抑制水平方向强干扰，实现简单，便于工程应用，适用于在长期电池供电的水下小平台上应用。包括如下步骤：采用M元等距垂直阵获取接收信号，将相邻阵元获取的接收信号依次相减，得到M‑1通道声压梯度信号。对M‑1通道声压梯度信号在预定角度上形成波束，得到波束输出。获取一段时间内的波束输出形成数据序列。对所述数据序列采用长时α滤波求背景均值，采用短时α滤波求信号均值，若所述信号均值与所述背景均值之差超过设定的门限常数时，则判决检测到目标。 【EN】The invention discloses a vertical array sound pressure gradient wave beam forming and signal detecting method, which relates to the technical field of underwater sound array processing and target detection, adopts sound pressure gradient wave beam forming to inhibit strong interference in the horizontal direction, is simple to realize and convenient for engineering application, and is suitable for being applied to a small underwater platform powered by a long-term battery.

摘要：【中文】本发明公开了一种水下电场信号主动检测电路及检测方法，属于水下电场信号检测技术领域，能够实现避免被动电场测量中差分放大电路中零点漂移和失调电压对低频电场信号的干扰。检测电路包括交流激励源、偶极子电极、限流电阻R6、直流隔离电容C4、接地电阻R7、检波器、积分器以及滤波器。交流激励源频率为待测水下电场信号频率的20倍以上；交流激励源接入到偶极子电极的信号输入端，偶极子电极的信号输出端通过直流隔离电容C4连接检波器；偶极子电极位于水下。直流隔离电容C4两端分别通过限流电阻R6和接地电阻R7接地。检波器后端顺次连接积分器和滤波器。积分器输出端信号反馈给偶极子电机的信号输入端。 【EN】The invention discloses an active detection circuit and a detection method for an underwater electric field signal, belongs to the technical field of underwater electric field signal detection, and can avoid zero drift and offset voltage in a differential amplification circuit in passive electric field measurement from interfering with a low-frequency electric field signal. The detection circuit comprises an alternating current excitation source, a dipole electrode, a current limiting resistor R6, a direct current isolation capacitor C4, a grounding resistor R7, a detector, an integrator and a filter. The frequency of the alternating current excitation source is more than 20 times of the signal frequency of the underwater electric field to be detected; the alternating current excitation source is connected to the signal input end of the dipole electrode, and the signal output end of the dipole electrode is connected with the detector through the direct current isolation capacitor C4; the dipole electrodes are located underwater. Two ends of the direct current isolation capacitor C4 are grounded through a current limiting resistor R6 and a grounding resistor R7 respectively. The rear end of the detector is connected with the integrator and the filter in sequence. And a signal at the output end of the integrator is fed back to the signal input end of the dipole motor.

摘要：【中文】本发明公开了一种SQUID器件感应线圈，所述感应线圈通过SQUID器件的连接触点与SQUID器件串联；所述感应线圈为多匝线圈，线圈匝数n满足l_p为单匝线圈的电感，L_i为SQUID器件输入线圈的电感。本发明能够提高磁场测量灵敏度。 【EN】The invention discloses an SQUID device induction coil, wherein the induction coil is connected with an SQUID device in series through a connecting contact of the SQUID device; the induction coil is a multi-turn coil, and the number n of turns of the coil satisfiesl_pInductance being a single turn coil, L_iInductance of the input coil of the SQUID device. The invention can improve the sensitivity of magnetic field measurement.

摘要：【中文】本发明公开了一种极弱磁场标准装置，包括三轴磁场线圈、磁场噪声补偿系统、低温冷却系统、超导屏蔽筒及极弱磁场线圈；低温冷却系统设置在由三轴磁场线圈和磁场噪声补偿系统构建的磁场环境中，三轴磁场线圈补偿地磁场固定分量，磁场噪声补偿系统补偿地磁场噪声；超导屏蔽筒位于低温冷却系统内，低温冷却系统复现超低温环境，使超导屏蔽筒达到超导临界温度以下，筒内实现磁场屏蔽，极弱磁场线圈位于超导屏蔽筒内，产生极弱磁场。本发明能够为极弱磁场提供一种超低噪声的“零磁空间”环境。 【EN】The invention discloses a very-low-intensity magnetic field standard device, which comprises a three-axis magnetic field coil, a magnetic field noise compensation system, a cryogenic cooling system, a superconducting shielding cylinder and a very-low-intensity magnetic field coil, wherein the three-axis magnetic field coil is connected with the magnetic field noise compensation system; the low-temperature cooling system is arranged in a magnetic field environment constructed by the three-axis magnetic field coil and the magnetic field noise compensation system, the three-axis magnetic field coil compensates the earth magnetic field fixed component, and the magnetic field noise compensation system compensates the earth magnetic field noise; the superconducting shielding cylinder is positioned in the cryogenic cooling system, the cryogenic cooling system realizes the ultralow temperature environment again, the superconducting shielding cylinder reaches below the superconducting critical temperature, the magnetic field shielding is realized in the cylinder, and the extremely-weak magnetic field coil is positioned in the superconducting shielding cylinder to generate an extremely-weak magnetic field. The invention can provide an ultra-low noise 'zero magnetic space' environment for an extremely-weak magnetic field.

摘要：【中文】本发明公开了一种磁场梯度补偿系统，所述补偿系统包括一对补偿线圈和恒流源；每个补偿线圈与磁场均匀区中心距离不小于3倍的补偿线圈长度；通过恒流源给补偿线圈施加电流，根据磁场的磁场梯度改变电流大小和方向，实现对磁场的梯度补偿。本发明能够实现磁场梯度的补偿，满足均匀区磁场梯度使用要求。 【EN】The invention discloses a magnetic field gradient compensation system, which comprises a pair of compensation coils and a constant current source; the distance between each compensation coil and the center of the magnetic field uniform area is not less than 3 times of the length of the compensation coil; the constant current source applies current to the compensation coil, and the magnitude and direction of the current are changed according to the magnetic field gradient of the magnetic field, so that the gradient compensation of the magnetic field is realized. The invention can realize the compensation of the magnetic field gradient and meet the use requirement of the magnetic field gradient in a uniform area.

摘要：【中文】本发明公开了一种潜标系统布放时水下分离系留索强度仿真方法，涉及潜标技术领域，能够通过对潜标系统在布放过程中各个阶段浮体和锚的运动曲线计算系留索的最大张力，从而得到系留索的设计强度。潜标系统初始状态为浮体置于杯状空间内；潜标系统的布放过程顺次包括三个阶段；第一阶段为进入海水后，潜标系统总体下沉运动；第二阶段为潜标系统总体达到预定深度后，浮体与锚分离，浮体向上运动以及锚向下运动；第三阶段为系留索受力后，浮体和锚在系留索的作用下联合运动直至锚着底。根据潜标系统在布放过程中三个阶段的运动规律，分别按照动力学理论确定数学模型，然后求解出系留索上的最大张力，从而得到系留索的设计强度。 【EN】The invention discloses a method for simulating the strength of an underwater separation mooring rope during deployment of a submerged buoy system, relates to the technical field of submerged buoys, and can calculate the maximum tension of the mooring rope through motion curves of a floating body and an anchor at each stage in the deployment process of the submerged buoy system so as to obtain the design strength of the mooring rope. The submerged buoy system is in an initial state that the floating body is arranged in the cup-shaped space; the laying process of the submerged buoy system sequentially comprises three stages; the first stage is that after entering the seawater, the submerged buoy system sinks overall; the second stage is that the floating body is separated from the anchor after the submerged buoy system totally reaches the preset depth, the floating body moves upwards and the anchor moves downwards; and in the third stage, after the mooring rope is stressed, the floating body and the anchor move together under the action of the mooring rope until the anchor is grounded. According to the motion rules of the submerged buoy system in three stages in the laying process, mathematical models are determined according to a dynamics theory respectively, and then the maximum tension on the mooring rope is solved, so that the design strength of the mooring rope is obtained.