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Signal processing development platform

Signal processing development platform includes CPCI bus platform and PCIe bus platform.

Development of CPCI bus platform for signal processing

The signal processing development platform adopts gppa (general processing platform architecture) technology and is designed based on customized CPCI high-speed switching backplane. It has the characteristics of signal interface modularization, function module reconfiguration and expansion, processing function reconfiguration, platform and application reusability.

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Physical principle block diagram of gppa signal processing CPCI platform

3U, 3U, 3U, 4U and other kinds of signal acquisition and transmission equipment, such as 3U, 3U, 4U, and other signal acquisition and transmission platform It can be used in indoor fixed, ship, ship, vehicle, airborne, island reef and other application environment.

Product features:

  • Function reconfiguration: the unique gppa technology provides a unified and universal operating environment for hardware, and can easily realize the reconfiguration of platform application functions;

  • Platform reusability: the interface of data transmission and control operation is unified, the platform achievements can be reused, the difficulty and workload of development and application are reduced, and the efficiency of equipment research and development is improved;

  • Application reusability: component engineering oriented application development, through the combination of components to form applications, improve the reusability of application development results;

  • Application portability: hierarchical design can reduce the coupling between application and hardware platform and improve the portability of application code;

  • Hardware Modularization: according to the structure of signal receiving and sending, processing, transmission and calculation, each module is independent and the interface is unified. The modules can be combined flexibly to adapt to different signal and processing scales;

  • Can adapt to a wide range: a variety of product types, can adapt to indoor fixed, on-board, ship borne and other applications.

Product capability:

  • Down conversion function of multi band RF signal:

a) Short wave (broadband reception)

1. Frequency range: 1.5MHz ~ 30MHz;

        2.    Output intermediate frequency: 70MHz or 45mhz;

        3.    If bandwidth: ≥ 2MHz.

b) Short wave (narrowband reception)

        1.    Frequency range: 1.5MHz ~ 30MHz;

        2.    Output intermediate frequency: 70MHz or 45mhz;

        3.    If bandwidth: ≥ 10kHz.

c) Ultrashort wave (broadband reception)

        1.    Frequency range: 30MHz ~ 1350mhz / 50MHz ~ 1350mhz;

        2.    Output intermediate frequency: 64mhz / 153.6mhz;

        3.    If bandwidth: 10MHz (if = 64mhz) / 50MHz (if = 153.6mhz);

d) L-band:

        1.    Frequency range: 950mhz ~ 2150mhz;

        2.    Output if: 70MHz / 140mhz

        3.    If bandwidth: 36MHz (if = 70MHz) / 72mhz (if = 140mhz).

  •     Multi channel analog signal acquisition function:

a) Channel number: 2 / 4 / 6 / 8;

b) Sampling clock range: 50MHz ~ 125MHz / 50MHz ~ 250MHz / 50MHz ~ 310MHz;

c) Sampling accuracy: 16bit;

d) Channel SNR:

        1.    Short wave signal: ≥ 70dB @ 45mhz, 51.2msps and - 1dbfs;

        2.    Ultrashort wave signal: ≥ 70dB @ 64mhz, 51.2msps and - 1dbfs;

        3.    Satellite signal: ≥ 70dB @ 70MHz, 93.3msps and - 1dbfs;

e) Channel SFDR:

        1.    Short wave signal: ≥ 90dB @ 45mhz, 51.2msps and - 1dbfs;

        2.    Ultrashort wave signal: ≥ 90dB @ 64mhz, 51.2msps and - 1dbfs;

        3.    Satellite signal: ≥ 80dB @ 70MHz, 93.3msps and - 1dbfs;

f) Channel isolation:

        1.    Short wave signal: ≥ 90dB @ 45mhz, 51.2msps and - 1dbfs;

        2.    Ultrashort wave signal: ≥ 90dB @ 64mhz, 51.2msps and - 1dbfs;

        3.    Satellite signal: ≥ 90dB @ 70MHz, 93.3msps and - 1dbfs;

  • Multi channel analog signal playback function:

a) Number of channels: 1 / 2;

b) Playback frequency: 70MHz / other signals;

c) Output signal frequency range: 70MHz ± 18mhz / other.

  • It has digital signal processing FPGA resources and supports dynamic reconfiguration

a) Single board FPGA: 2 pieces, assembled with xc7k325ffg900 according to specific requirements;

b) Single board cache: each FPGA is equipped with 2 × 4GB DDR3 capacity;

  • Data storage function:

a) Disk:

        1.    Storage rate: 100Mbps (single disk),

        2.    Capacity: 200GB;

b) Flash chip array:

        1.    Storage rate: ≥ 800Mbps,

        2.    Capacity: ≥ 4tb;

  • With data forwarding function:

a) Gigabit network transceiver rate: ≥ 300mbps;

b) 10 Gigabit network transceiver rate: ≥ 6.4gbps (TCP / IP);

c) Optical signal receiving and transmitting rate: ≥ 5Gbps.

  • The module includes RF module, acquisition module, reconstruction module and processing module;

  • It has the function of external time and frequency;

  • It can provide users with a variety of functions based on the unified software architecture, and provide a variety of functions for users.

  • High switching bandwidth within the platform: supports bidirectional 20 / 40Gbps data exchange between boards, and the transmission bus is RapidIO × 4 × 3.125/5gbps;

Development of PCIe bus platform based on signal processing

The signal processing development platform adopts gppa (general processing platform architecture) technology and is designed on the basis of high-speed serial interconnection transmission bus. It has the characteristics of signal interface modularization, function module reconfiguration and expansion, processing function reconfiguration, platform and application reusability.

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Principle block diagram of general hardware processing platform

The platform can realize the acquisition, playback, digital processing, storage, forwarding and other functions of ultrashort wave signal, satellite signal, microwave signal, mobile signal, electronic signal and so on. It has a variety of platform equipment types such as universal (2U, 4U) and reinforced closed type (2U and 4U). It can meet the requirements of adaptability, rapid response and achievement transformation ability of tasks to various kinds of changeable signals It is suitable for the research and development of equipment for various application scenarios, such as monitoring, controlling and guarding, direction finding, positioning and launching of communication signals, and can adapt to indoor fixed, ship, ship, vehicle, island and reef application environment.

Product features:

  • Function reconfiguration: a general running environment is built on the general hardware platform, on which the platform function can be easily reconstructed;

  • Platform reusability: it unifies the common data transmission and control operation interface, so that different applications can reuse the platform results to the greatest extent, reduce the difficulty and workload of development and Application on the hardware platform, and improve the efficiency of equipment research and development;

  • Application reusability: application development is carried out according to component-oriented engineering. Components are regarded as independent functional units, and applications are formed through the combination of components to improve the reusability of application development results;

  • Application portability: through hierarchical design, the coupling degree between application and specific hardware platform is reduced, and the portability of application code is improved. The application can be smoothly transplanted to other hardware platforms to facilitate the realization of different equipment forms and platform upgrades;

Product capability:

  • Full variety coverage: it can meet the requirements of most signal access conditioning, acquisition and processing, and has single or multi-channel acquisition interface for analog, digital, optical and other signals;

  • High performance index: SFDR of analog signal acquisition is up to 90dbc; acquisition rate is up to 3GSPS; digital acquisition rate is up to 1Gbps;

  • Fast response combination: each component is mature, and its corresponding development support module reuse rate is high, which can provide platform equipment foundation for rapid combination of emergency response equipment application and signal analysis results rapid transformation;

  • Low development cost: the development platform adopts commercial bus, and the infrastructure investment cost is low, so as to reduce the user development cost;


If you have more information about the products, please call 010-62660808.

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